llvm-for-llvmta/test/Transforms/Attributor/IPConstantProp/2008-06-09-WeakProp.ll

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=1 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
; 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
; 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
; Should not propagate the result of a weak function.
; PR2411
define weak i32 @foo() nounwind {
; CHECK: Function Attrs: nounwind
; CHECK-LABEL: define {{[^@]+}}@foo
; CHECK-SAME: () [[ATTR0:#.*]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 1
;
entry:
ret i32 1
}
define i32 @main() nounwind {
; CHECK: Function Attrs: nounwind
; CHECK-LABEL: define {{[^@]+}}@main
; CHECK-SAME: () [[ATTR0]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R:%.*]] = call i32 @foo() [[ATTR0]]
; CHECK-NEXT: ret i32 [[R]]
;
entry:
%r = call i32 @foo( ) nounwind
ret i32 %r
}