1128 lines
44 KiB
LLVM
1128 lines
44 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
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; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=5 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=5 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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; Test cases specifically designed for the "undefined behavior" abstract function attribute.
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; We want to verify that whenever undefined behavior is assumed, the code becomes unreachable.
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; We use FIXME's to indicate problems and missing attributes.
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; -- Load tests --
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define void @load_wholly_unreachable() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@load_wholly_unreachable
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; IS__TUNIT____-SAME: () [[ATTR0:#.*]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@load_wholly_unreachable
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; IS__CGSCC____-SAME: () [[ATTR0:#.*]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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%a = load i32, i32* null
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ret void
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}
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define void @loads_wholly_unreachable() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@loads_wholly_unreachable
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; IS__TUNIT____-SAME: () [[ATTR0]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@loads_wholly_unreachable
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; IS__CGSCC____-SAME: () [[ATTR0]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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%a = load i32, i32* null
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%b = load i32, i32* null
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ret void
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}
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define void @load_single_bb_unreachable(i1 %cond) {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@load_single_bb_unreachable
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; IS__TUNIT____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
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; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
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; IS__TUNIT____: t:
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; IS__TUNIT____-NEXT: unreachable
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; IS__TUNIT____: e:
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@load_single_bb_unreachable
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; IS__CGSCC____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
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; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
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; IS__CGSCC____: t:
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; IS__CGSCC____-NEXT: unreachable
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; IS__CGSCC____: e:
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; IS__CGSCC____-NEXT: ret void
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;
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br i1 %cond, label %t, label %e
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t:
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%b = load i32, i32* null
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br label %e
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e:
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ret void
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}
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; Note that while the load is removed (because it's unused), the block
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; is not changed to unreachable
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define void @load_null_pointer_is_defined() null_pointer_is_valid {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind null_pointer_is_valid readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@load_null_pointer_is_defined
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; IS__TUNIT____-SAME: () [[ATTR1:#.*]] {
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind null_pointer_is_valid readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@load_null_pointer_is_defined
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; IS__CGSCC____-SAME: () [[ATTR1:#.*]] {
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; IS__CGSCC____-NEXT: ret void
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;
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%a = load i32, i32* null
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ret void
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}
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define internal i32* @ret_null() {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@ret_null
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; IS__CGSCC____-SAME: () [[ATTR0]] {
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; IS__CGSCC____-NEXT: ret i32* undef
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;
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ret i32* null
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}
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define void @load_null_propagated() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@load_null_propagated
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; IS__TUNIT____-SAME: () [[ATTR0]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@load_null_propagated
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; IS__CGSCC____-SAME: () [[ATTR0]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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%ptr = call i32* @ret_null()
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%a = load i32, i32* %ptr
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ret void
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}
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; -- Store tests --
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define void @store_wholly_unreachable() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@store_wholly_unreachable
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; IS__TUNIT____-SAME: () [[ATTR0]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@store_wholly_unreachable
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; IS__CGSCC____-SAME: () [[ATTR0]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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store i32 5, i32* null
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ret void
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}
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define void @store_single_bb_unreachable(i1 %cond) {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@store_single_bb_unreachable
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; IS__TUNIT____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
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; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
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; IS__TUNIT____: t:
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; IS__TUNIT____-NEXT: unreachable
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; IS__TUNIT____: e:
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@store_single_bb_unreachable
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; IS__CGSCC____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
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; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
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; IS__CGSCC____: t:
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; IS__CGSCC____-NEXT: unreachable
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; IS__CGSCC____: e:
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; IS__CGSCC____-NEXT: ret void
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;
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br i1 %cond, label %t, label %e
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t:
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store i32 5, i32* null
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br label %e
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e:
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ret void
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}
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define void @store_null_pointer_is_defined() null_pointer_is_valid {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind null_pointer_is_valid willreturn writeonly
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; IS__TUNIT____-LABEL: define {{[^@]+}}@store_null_pointer_is_defined
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; IS__TUNIT____-SAME: () [[ATTR2:#.*]] {
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; IS__TUNIT____-NEXT: store i32 5, i32* null, align 536870912
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind null_pointer_is_valid willreturn writeonly
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; IS__CGSCC____-LABEL: define {{[^@]+}}@store_null_pointer_is_defined
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; IS__CGSCC____-SAME: () [[ATTR2:#.*]] {
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; IS__CGSCC____-NEXT: store i32 5, i32* null, align 536870912
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; IS__CGSCC____-NEXT: ret void
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;
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store i32 5, i32* null
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ret void
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}
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define void @store_null_propagated() {
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; ATTRIBUTOR-LABEL: @store_null_propagated(
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; ATTRIBUTOR-NEXT: unreachable
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;
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||
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@store_null_propagated
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; IS__TUNIT____-SAME: () [[ATTR0]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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||
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@store_null_propagated
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; IS__CGSCC____-SAME: () [[ATTR0]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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%ptr = call i32* @ret_null()
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store i32 5, i32* %ptr
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ret void
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||
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}
|
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; -- AtomicRMW tests --
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||
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define void @atomicrmw_wholly_unreachable() {
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; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
|
||
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; IS__TUNIT____-LABEL: define {{[^@]+}}@atomicrmw_wholly_unreachable
|
||
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; IS__TUNIT____-SAME: () [[ATTR3:#.*]] {
|
||
|
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; IS__TUNIT____-NEXT: unreachable
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||
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;
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||
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; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@atomicrmw_wholly_unreachable
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||
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; IS__CGSCC____-SAME: () [[ATTR3:#.*]] {
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||
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; IS__CGSCC____-NEXT: unreachable
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;
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||
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%a = atomicrmw add i32* null, i32 1 acquire
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ret void
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||
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}
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||
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||
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define void @atomicrmw_single_bb_unreachable(i1 %cond) {
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; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
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||
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; IS__TUNIT____-LABEL: define {{[^@]+}}@atomicrmw_single_bb_unreachable
|
||
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; IS__TUNIT____-SAME: (i1 [[COND:%.*]]) [[ATTR3]] {
|
||
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; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
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|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
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; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
|
||
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|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomicrmw_single_bb_unreachable
|
||
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; IS__CGSCC____-SAME: (i1 [[COND:%.*]]) [[ATTR3]] {
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
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|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
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; IS__CGSCC____: e:
|
||
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|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
br i1 %cond, label %t, label %e
|
||
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t:
|
||
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%a = atomicrmw add i32* null, i32 1 acquire
|
||
|
|
br label %e
|
||
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|
e:
|
||
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|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @atomicrmw_null_pointer_is_defined() null_pointer_is_valid {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind null_pointer_is_valid willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomicrmw_null_pointer_is_defined
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR4:#.*]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[A:%.*]] = atomicrmw add i32* null, i32 1 acquire
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind null_pointer_is_valid willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomicrmw_null_pointer_is_defined
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR4:#.*]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[A:%.*]] = atomicrmw add i32* null, i32 1 acquire
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%a = atomicrmw add i32* null, i32 1 acquire
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @atomicrmw_null_propagated() {
|
||
|
|
; ATTRIBUTOR-LABEL: @atomicrmw_null_propagated(
|
||
|
|
; ATTRIBUTOR-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomicrmw_null_propagated
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomicrmw_null_propagated
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%ptr = call i32* @ret_null()
|
||
|
|
%a = atomicrmw add i32* %ptr, i32 1 acquire
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; -- AtomicCmpXchg tests --
|
||
|
|
|
||
|
|
define void @atomiccmpxchg_wholly_unreachable() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomiccmpxchg_wholly_unreachable
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomiccmpxchg_wholly_unreachable
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%a = cmpxchg i32* null, i32 2, i32 3 acq_rel monotonic
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @atomiccmpxchg_single_bb_unreachable(i1 %cond) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomiccmpxchg_single_bb_unreachable
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[COND:%.*]]) [[ATTR3]] {
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomiccmpxchg_single_bb_unreachable
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[COND:%.*]]) [[ATTR3]] {
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
br i1 %cond, label %t, label %e
|
||
|
|
t:
|
||
|
|
%a = cmpxchg i32* null, i32 2, i32 3 acq_rel monotonic
|
||
|
|
br label %e
|
||
|
|
e:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @atomiccmpxchg_null_pointer_is_defined() null_pointer_is_valid {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind null_pointer_is_valid willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomiccmpxchg_null_pointer_is_defined
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR4]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[A:%.*]] = cmpxchg i32* null, i32 2, i32 3 acq_rel monotonic
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind null_pointer_is_valid willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomiccmpxchg_null_pointer_is_defined
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR4]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[A:%.*]] = cmpxchg i32* null, i32 2, i32 3 acq_rel monotonic
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%a = cmpxchg i32* null, i32 2, i32 3 acq_rel monotonic
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @atomiccmpxchg_null_propagated() {
|
||
|
|
; ATTRIBUTOR-LABEL: @atomiccmpxchg_null_propagated(
|
||
|
|
; ATTRIBUTOR-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@atomiccmpxchg_null_propagated
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@atomiccmpxchg_null_propagated
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR3]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%ptr = call i32* @ret_null()
|
||
|
|
%a = cmpxchg i32* %ptr, i32 2, i32 3 acq_rel monotonic
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; -- Conditional branching tests --
|
||
|
|
|
||
|
|
; Note: The unreachable on %t and %e is _not_ from AAUndefinedBehavior
|
||
|
|
|
||
|
|
define i32 @cond_br_on_undef() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR5:#.*]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR5:#.*]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
br i1 undef, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret i32 1
|
||
|
|
e:
|
||
|
|
ret i32 2
|
||
|
|
}
|
||
|
|
|
||
|
|
; More complicated branching
|
||
|
|
; Valid branch - verify that this is not converted
|
||
|
|
; to unreachable.
|
||
|
|
define void @cond_br_on_undef2(i1 %cond) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef2
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T1:%.*]], label [[E1:%.*]]
|
||
|
|
; IS__TUNIT____: t1:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: t2:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e2:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e1:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef2
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[COND:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T1:%.*]], label [[E1:%.*]]
|
||
|
|
; IS__CGSCC____: t1:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: t2:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e2:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e1:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
br i1 %cond, label %t1, label %e1
|
||
|
|
t1:
|
||
|
|
br i1 undef, label %t2, label %e2
|
||
|
|
t2:
|
||
|
|
ret void
|
||
|
|
e2:
|
||
|
|
ret void
|
||
|
|
e1:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @ret_undef() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@ret_undef
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: ret i1 undef
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@ret_undef
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: ret i1 undef
|
||
|
|
;
|
||
|
|
ret i1 undef
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @cond_br_on_undef_interproc() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef_interproc
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR5]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef_interproc
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR5]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%cond = call i1 @ret_undef()
|
||
|
|
br i1 %cond, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret void
|
||
|
|
e:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define i1 @ret_undef2() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@ret_undef2
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: br i1 true, label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: ret i1 undef
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@ret_undef2
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: br i1 true, label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: ret i1 undef
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
br i1 true, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret i1 undef
|
||
|
|
e:
|
||
|
|
ret i1 undef
|
||
|
|
}
|
||
|
|
|
||
|
|
; More complicated interproc deduction of undef
|
||
|
|
define void @cond_br_on_undef_interproc2() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef_interproc2
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR5]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef_interproc2
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR5]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%cond = call i1 @ret_undef2()
|
||
|
|
br i1 %cond, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret void
|
||
|
|
e:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Branch on undef that depends on propagation of
|
||
|
|
; undef of a previous instruction.
|
||
|
|
define i32 @cond_br_on_undef3() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef3
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: br label [[T:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 1
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef3
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: br label [[T:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 1
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%cond = icmp ne i32 1, undef
|
||
|
|
br i1 %cond, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret i32 1
|
||
|
|
e:
|
||
|
|
ret i32 2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Branch on undef because of uninitialized value.
|
||
|
|
; FIXME: Currently it doesn't propagate the undef.
|
||
|
|
define i32 @cond_br_on_undef_uninit() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@cond_br_on_undef_uninit
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[ALLOC:%.*]] = alloca i1, align 1
|
||
|
|
; IS__TUNIT____-NEXT: [[COND:%.*]] = load i1, i1* [[ALLOC]], align 1
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 1
|
||
|
|
; IS__TUNIT____: e:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 2
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cond_br_on_undef_uninit
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[ALLOC:%.*]] = alloca i1, align 1
|
||
|
|
; IS__CGSCC____-NEXT: [[COND:%.*]] = load i1, i1* [[ALLOC]], align 1
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[COND]], label [[T:%.*]], label [[E:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 1
|
||
|
|
; IS__CGSCC____: e:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 2
|
||
|
|
;
|
||
|
|
%alloc = alloca i1
|
||
|
|
%cond = load i1, i1* %alloc
|
||
|
|
br i1 %cond, label %t, label %e
|
||
|
|
t:
|
||
|
|
ret i32 1
|
||
|
|
e:
|
||
|
|
ret i32 2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Note that the `load` has UB (so it will be changed to unreachable)
|
||
|
|
; and the branch is a terminator that can be constant-folded.
|
||
|
|
; We want to test that doing both won't cause a segfault.
|
||
|
|
; MODULE-NOT: @callee(
|
||
|
|
define internal i32 @callee(i1 %C, i32* %A) {
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@callee
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: entry:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: T:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: F:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 undef
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%A.0 = load i32, i32* null
|
||
|
|
br i1 %C, label %T, label %F
|
||
|
|
|
||
|
|
T:
|
||
|
|
ret i32 %A.0
|
||
|
|
|
||
|
|
F:
|
||
|
|
ret i32 1
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @foo() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@foo
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 1
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@foo
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 1
|
||
|
|
;
|
||
|
|
%X = call i32 @callee(i1 false, i32* null)
|
||
|
|
ret i32 %X
|
||
|
|
}
|
||
|
|
|
||
|
|
; Tests for nonnull noundef attribute violation.
|
||
|
|
;
|
||
|
|
; Tests for argument position
|
||
|
|
|
||
|
|
define void @arg_nonnull_1(i32* nonnull %a) {
|
||
|
|
; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_1
|
||
|
|
; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[A:%.*]]) [[ATTR6:#.*]] {
|
||
|
|
; IS__TUNIT____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_1
|
||
|
|
; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly align 4 dereferenceable(4) [[A:%.*]]) [[ATTR6:#.*]] {
|
||
|
|
; IS__CGSCC____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
store i32 0, i32* %a
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_1_noundef_1(i32* nonnull noundef %a) {
|
||
|
|
; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_1_noundef_1
|
||
|
|
; IS__TUNIT____-SAME: (i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__TUNIT____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_1_noundef_1
|
||
|
|
; IS__CGSCC____-SAME: (i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[A:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__CGSCC____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
store i32 0, i32* %a
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_12(i32* nonnull %a, i32* nonnull %b, i32* %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_12
|
||
|
|
; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly [[A:%.*]], i32* nocapture nofree nonnull writeonly [[B:%.*]], i32* nofree writeonly [[C:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[D:%.*]] = icmp eq i32* [[C]], null
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[D]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: br label [[RET:%.*]]
|
||
|
|
; IS__TUNIT____: f:
|
||
|
|
; IS__TUNIT____-NEXT: store i32 1, i32* [[B]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: br label [[RET]]
|
||
|
|
; IS__TUNIT____: ret:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_12
|
||
|
|
; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly [[A:%.*]], i32* nocapture nofree nonnull writeonly [[B:%.*]], i32* nofree writeonly [[C:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[D:%.*]] = icmp eq i32* [[C]], null
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[D]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: br label [[RET:%.*]]
|
||
|
|
; IS__CGSCC____: f:
|
||
|
|
; IS__CGSCC____-NEXT: store i32 1, i32* [[B]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: br label [[RET]]
|
||
|
|
; IS__CGSCC____: ret:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%d = icmp eq i32* %c, null
|
||
|
|
br i1 %d, label %t, label %f
|
||
|
|
t:
|
||
|
|
store i32 0, i32* %a
|
||
|
|
br label %ret
|
||
|
|
f:
|
||
|
|
store i32 1, i32* %b
|
||
|
|
br label %ret
|
||
|
|
ret:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_12_noundef_2(i32* nonnull %a, i32* noundef nonnull %b, i32* %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_12_noundef_2
|
||
|
|
; IS__TUNIT____-SAME: (i32* nocapture nofree nonnull writeonly [[A:%.*]], i32* nocapture nofree noundef nonnull writeonly [[B:%.*]], i32* nofree writeonly [[C:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[D:%.*]] = icmp eq i32* [[C]], null
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[D]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: br label [[RET:%.*]]
|
||
|
|
; IS__TUNIT____: f:
|
||
|
|
; IS__TUNIT____-NEXT: store i32 1, i32* [[B]], align 4
|
||
|
|
; IS__TUNIT____-NEXT: br label [[RET]]
|
||
|
|
; IS__TUNIT____: ret:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_12_noundef_2
|
||
|
|
; IS__CGSCC____-SAME: (i32* nocapture nofree nonnull writeonly [[A:%.*]], i32* nocapture nofree noundef nonnull writeonly [[B:%.*]], i32* nofree writeonly [[C:%.*]]) [[ATTR6]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[D:%.*]] = icmp eq i32* [[C]], null
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[D]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: store i32 0, i32* [[A]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: br label [[RET:%.*]]
|
||
|
|
; IS__CGSCC____: f:
|
||
|
|
; IS__CGSCC____-NEXT: store i32 1, i32* [[B]], align 4
|
||
|
|
; IS__CGSCC____-NEXT: br label [[RET]]
|
||
|
|
; IS__CGSCC____: ret:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%d = icmp eq i32* %c, null
|
||
|
|
br i1 %d, label %t, label %f
|
||
|
|
t:
|
||
|
|
store i32 0, i32* %a
|
||
|
|
br label %ret
|
||
|
|
f:
|
||
|
|
store i32 1, i32* %b
|
||
|
|
br label %ret
|
||
|
|
ret:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Pass null directly to argument with nonnull attribute
|
||
|
|
define void @arg_nonnull_violation1_1() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation1_1
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation1_1
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
call void @arg_nonnull_1(i32* null)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_violation1_2() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation1_2
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation1_2
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
call void @arg_nonnull_1_noundef_1(i32* null)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; A case that depends on value simplification
|
||
|
|
define void @arg_nonnull_violation2_1(i1 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation2_1
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation2_1
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%null = getelementptr i32, i32* null, i32 0
|
||
|
|
%mustnull = select i1 %c, i32* null, i32* %null
|
||
|
|
call void @arg_nonnull_1(i32* %mustnull)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_violation2_2(i1 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation2_2
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation2_2
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%null = getelementptr i32, i32* null, i32 0
|
||
|
|
%mustnull = select i1 %c, i32* null, i32* %null
|
||
|
|
call void @arg_nonnull_1_noundef_1(i32* %mustnull)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Cases for single and multiple violation at a callsite
|
||
|
|
define void @arg_nonnull_violation3_1(i1 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation3_1
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: call void @arg_nonnull_12(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]]) [[ATTR7:#.*]]
|
||
|
|
; IS__TUNIT____-NEXT: call void @arg_nonnull_12(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* noalias nocapture nofree noundef writeonly align 536870912 null) [[ATTR7]]
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: f:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: ret:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation3_1
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: call void @arg_nonnull_12(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]]) [[ATTR7:#.*]]
|
||
|
|
; IS__CGSCC____-NEXT: call void @arg_nonnull_12(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* noalias nocapture nofree noundef writeonly align 536870912 null) [[ATTR7]]
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: f:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: ret:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%ptr = alloca i32
|
||
|
|
br i1 %c, label %t, label %f
|
||
|
|
t:
|
||
|
|
call void @arg_nonnull_12(i32* %ptr, i32* %ptr, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12(i32* %ptr, i32* %ptr, i32* null)
|
||
|
|
call void @arg_nonnull_12(i32* %ptr, i32* null, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12(i32* %ptr, i32* null, i32* null)
|
||
|
|
br label %ret
|
||
|
|
f:
|
||
|
|
call void @arg_nonnull_12(i32* null, i32* %ptr, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12(i32* null, i32* %ptr, i32* null)
|
||
|
|
call void @arg_nonnull_12(i32* null, i32* null, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12(i32* null, i32* null, i32* null)
|
||
|
|
br label %ret
|
||
|
|
ret:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @arg_nonnull_violation3_2(i1 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@arg_nonnull_violation3_2
|
||
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__TUNIT____: t:
|
||
|
|
; IS__TUNIT____-NEXT: call void @arg_nonnull_12_noundef_2(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]]) [[ATTR7]]
|
||
|
|
; IS__TUNIT____-NEXT: call void @arg_nonnull_12_noundef_2(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* noalias nocapture nofree noundef writeonly align 536870912 null) [[ATTR7]]
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: f:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: ret:
|
||
|
|
; IS__TUNIT____-NEXT: ret void
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@arg_nonnull_violation3_2
|
||
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
||
|
|
; IS__CGSCC____: t:
|
||
|
|
; IS__CGSCC____-NEXT: call void @arg_nonnull_12_noundef_2(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]]) [[ATTR7]]
|
||
|
|
; IS__CGSCC____-NEXT: call void @arg_nonnull_12_noundef_2(i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* nocapture nofree noundef nonnull writeonly align 4 dereferenceable(4) [[PTR]], i32* noalias nocapture nofree noundef writeonly align 536870912 null) [[ATTR7]]
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: f:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: ret:
|
||
|
|
; IS__CGSCC____-NEXT: ret void
|
||
|
|
;
|
||
|
|
%ptr = alloca i32
|
||
|
|
br i1 %c, label %t, label %f
|
||
|
|
t:
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* %ptr, i32* %ptr, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* %ptr, i32* %ptr, i32* null)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* %ptr, i32* null, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* %ptr, i32* null, i32* null)
|
||
|
|
br label %ret
|
||
|
|
f:
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* null, i32* %ptr, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* null, i32* %ptr, i32* null)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* null, i32* null, i32* %ptr)
|
||
|
|
call void @arg_nonnull_12_noundef_2(i32* null, i32* null, i32* null)
|
||
|
|
br label %ret
|
||
|
|
ret:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Tests for returned position
|
||
|
|
|
||
|
|
define nonnull i32* @returned_nonnnull(i32 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@returned_nonnnull
|
||
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__TUNIT____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: ]
|
||
|
|
; IS__TUNIT____: onzero:
|
||
|
|
; IS__TUNIT____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__TUNIT____: onone:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* null
|
||
|
|
; IS__TUNIT____: ondefault:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* undef
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@returned_nonnnull
|
||
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__CGSCC____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: ]
|
||
|
|
; IS__CGSCC____: onzero:
|
||
|
|
; IS__CGSCC____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__CGSCC____: onone:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* null
|
||
|
|
; IS__CGSCC____: ondefault:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* undef
|
||
|
|
;
|
||
|
|
switch i32 %c, label %ondefault [ i32 0, label %onzero
|
||
|
|
i32 1, label %onone ]
|
||
|
|
onzero:
|
||
|
|
%ptr = alloca i32
|
||
|
|
ret i32* %ptr
|
||
|
|
onone:
|
||
|
|
ret i32* null
|
||
|
|
ondefault:
|
||
|
|
ret i32* undef
|
||
|
|
}
|
||
|
|
|
||
|
|
define noundef i32* @returned_noundef(i32 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@returned_noundef
|
||
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__TUNIT____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: ]
|
||
|
|
; IS__TUNIT____: onzero:
|
||
|
|
; IS__TUNIT____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__TUNIT____: onone:
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* null
|
||
|
|
; IS__TUNIT____: ondefault:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@returned_noundef
|
||
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__CGSCC____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: ]
|
||
|
|
; IS__CGSCC____: onzero:
|
||
|
|
; IS__CGSCC____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__CGSCC____: onone:
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* null
|
||
|
|
; IS__CGSCC____: ondefault:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
switch i32 %c, label %ondefault [ i32 0, label %onzero
|
||
|
|
i32 1, label %onone ]
|
||
|
|
onzero:
|
||
|
|
%ptr = alloca i32
|
||
|
|
ret i32* %ptr
|
||
|
|
onone:
|
||
|
|
ret i32* null
|
||
|
|
ondefault:
|
||
|
|
ret i32* undef
|
||
|
|
}
|
||
|
|
|
||
|
|
define nonnull noundef i32* @returned_nonnnull_noundef(i32 %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@returned_nonnnull_noundef
|
||
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__TUNIT____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__TUNIT____-NEXT: ]
|
||
|
|
; IS__TUNIT____: onzero:
|
||
|
|
; IS__TUNIT____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__TUNIT____: onone:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
; IS__TUNIT____: ondefault:
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@returned_nonnnull_noundef
|
||
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: switch i32 [[C]], label [[ONDEFAULT:%.*]] [
|
||
|
|
; IS__CGSCC____-NEXT: i32 0, label [[ONZERO:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: i32 1, label [[ONONE:%.*]]
|
||
|
|
; IS__CGSCC____-NEXT: ]
|
||
|
|
; IS__CGSCC____: onzero:
|
||
|
|
; IS__CGSCC____-NEXT: [[PTR:%.*]] = alloca i32, align 4
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* [[PTR]]
|
||
|
|
; IS__CGSCC____: onone:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
; IS__CGSCC____: ondefault:
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
switch i32 %c, label %ondefault [ i32 0, label %onzero
|
||
|
|
i32 1, label %onone ]
|
||
|
|
onzero:
|
||
|
|
%ptr = alloca i32
|
||
|
|
ret i32* %ptr
|
||
|
|
onone:
|
||
|
|
ret i32* null
|
||
|
|
ondefault:
|
||
|
|
ret i32* undef
|
||
|
|
}
|
||
|
|
|
||
|
|
define noundef i32 @returned_nonnnull_noundef_int() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@returned_nonnnull_noundef_int
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@returned_nonnnull_noundef_int
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @callee_int_arg(i32)
|
||
|
|
|
||
|
|
define void @callsite_noundef_1() {
|
||
|
|
; CHECK-LABEL: define {{[^@]+}}@callsite_noundef_1() {
|
||
|
|
; CHECK-NEXT: call void @callee_int_arg(i32 noundef 0)
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
call void @callee_int_arg(i32 noundef 0)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @callee_ptr_arg(i32*)
|
||
|
|
|
||
|
|
define void @callsite_noundef_2() {
|
||
|
|
; CHECK-LABEL: define {{[^@]+}}@callsite_noundef_2() {
|
||
|
|
; CHECK-NEXT: unreachable
|
||
|
|
;
|
||
|
|
call void @callee_ptr_arg(i32* noundef undef)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @argument_noundef1(i32 noundef %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@argument_noundef1
|
||
|
|
; IS__TUNIT____-SAME: (i32 noundef returned [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: ret i32 [[C]]
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@argument_noundef1
|
||
|
|
; IS__CGSCC____-SAME: (i32 noundef returned [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: ret i32 [[C]]
|
||
|
|
;
|
||
|
|
ret i32 %c
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @violate_noundef_nonpointer() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@violate_noundef_nonpointer
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@violate_noundef_nonpointer
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%ret = call i32 @argument_noundef1(i32 undef)
|
||
|
|
ret i32 %ret
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32* @argument_noundef2(i32* noundef %c) {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@argument_noundef2
|
||
|
|
; IS__TUNIT____-SAME: (i32* nofree noundef readnone returned "no-capture-maybe-returned" [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: ret i32* [[C]]
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@argument_noundef2
|
||
|
|
; IS__CGSCC____-SAME: (i32* nofree noundef readnone returned "no-capture-maybe-returned" [[C:%.*]]) [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: ret i32* [[C]]
|
||
|
|
;
|
||
|
|
ret i32* %c
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32* @violate_noundef_pointer() {
|
||
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
||
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@violate_noundef_pointer
|
||
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__TUNIT____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
||
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@violate_noundef_pointer
|
||
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
||
|
|
; IS__CGSCC____-NEXT: unreachable
|
||
|
|
;
|
||
|
|
%ret = call i32* @argument_noundef2(i32* undef)
|
||
|
|
ret i32* %ret
|
||
|
|
}
|