915 lines
39 KiB
LLVM
915 lines
39 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes
|
|
; RUN: opt -enable-new-pm=0 -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=22 -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=20 -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 -enable-new-pm=0 -attributor-cgscc -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
|
|
;
|
|
; Test for multiple potential values
|
|
;
|
|
; potential-test 1
|
|
; bool iszero(int c) { return c == 0; }
|
|
; bool potential_test1(bool c) { return iszero(c ? 1 : -1); }
|
|
|
|
define internal i1 @iszero1(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@iszero1
|
|
; IS__CGSCC____-SAME: () [[ATTR0:#.*]] {
|
|
; IS__CGSCC____-NEXT: ret i1 undef
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i1 @potential_test1(i1 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test1
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0:#.*]] {
|
|
; IS__TUNIT____-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test1
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 false
|
|
;
|
|
%arg = select i1 %c, i32 -1, i32 1
|
|
%ret = call i1 @iszero1(i32 %arg)
|
|
ret i1 %ret
|
|
}
|
|
|
|
|
|
; potential-test 2
|
|
;
|
|
; potential values of argument of iszero are {1,-1}
|
|
; potential value of returned value of iszero is 0
|
|
;
|
|
; int call_with_two_values(int x) { return iszero(x) + iszero(-x); }
|
|
; int potential_test2(int x) { return call_with_two_values(1) + call_with_two_values(-1); }
|
|
|
|
define internal i32 @iszero2(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@iszero2
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 undef
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
%ret = zext i1 %cmp to i32
|
|
ret i32 %ret
|
|
}
|
|
|
|
define internal i32 @call_with_two_values(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@call_with_two_values
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 undef
|
|
;
|
|
%csret1 = call i32 @iszero2(i32 %c)
|
|
%minusc = sub i32 0, %c
|
|
%csret2 = call i32 @iszero2(i32 %minusc)
|
|
%ret = add i32 %csret1, %csret2
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test2(i1 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test2
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test2
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
;
|
|
%csret1 = call i32 @call_with_two_values(i32 1)
|
|
%csret2 = call i32 @call_with_two_values(i32 -1)
|
|
%ret = add i32 %csret1, %csret2
|
|
ret i32 %ret
|
|
}
|
|
|
|
|
|
; potential-test 3
|
|
;
|
|
; potential values of returned value of f are {0,1}
|
|
; potential values of argument of g are {0,1}
|
|
; potential value of returned value of g is 1
|
|
; then returned value of g can be simplified
|
|
;
|
|
; int zero_or_one(int c) { return c < 2; }
|
|
; int potential_test3() { return zero_or_one(iszero(0))+zero_or_one(iszero(1)); }
|
|
|
|
define internal i32 @iszero3(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@iszero3
|
|
; IS__TUNIT____-SAME: (i32 noundef [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
|
|
; IS__TUNIT____-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@iszero3
|
|
; IS__CGSCC____-SAME: (i32 noundef [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
|
|
; IS__CGSCC____-NEXT: ret i32 [[RET]]
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
%ret = zext i1 %cmp to i32
|
|
ret i32 %ret
|
|
}
|
|
|
|
define internal i32 @less_than_two(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@less_than_two
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[CMP:%.*]] = icmp slt i32 [[C]], 2
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
|
|
; IS__TUNIT____-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@less_than_two
|
|
; IS__CGSCC____-SAME: (i32 noundef [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[CMP:%.*]] = icmp slt i32 [[C]], 2
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = zext i1 [[CMP]] to i32
|
|
; IS__CGSCC____-NEXT: ret i32 [[RET]]
|
|
;
|
|
%cmp = icmp slt i32 %c, 2
|
|
%ret = zext i1 %cmp to i32
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test3() {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test3
|
|
; IS__TUNIT_OPM-SAME: () [[ATTR0:#.*]] {
|
|
; IS__TUNIT_OPM-NEXT: [[CMP1:%.*]] = call i32 @iszero3(i32 noundef 0) [[ATTR0]]
|
|
; IS__TUNIT_OPM-NEXT: [[TRUE1:%.*]] = call i32 @less_than_two(i32 [[CMP1]]) [[ATTR0]]
|
|
; IS__TUNIT_OPM-NEXT: [[CMP2:%.*]] = call i32 @iszero3(i32 noundef 1) [[ATTR0]]
|
|
; IS__TUNIT_OPM-NEXT: [[TRUE2:%.*]] = call i32 @less_than_two(i32 [[CMP2]]) [[ATTR0]]
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = add i32 [[TRUE1]], [[TRUE2]]
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test3
|
|
; IS__TUNIT_NPM-SAME: () [[ATTR0:#.*]] {
|
|
; IS__TUNIT_NPM-NEXT: [[CMP1:%.*]] = call i32 @iszero3(i32 noundef 0) [[ATTR0]], [[RNG0:!range !.*]]
|
|
; IS__TUNIT_NPM-NEXT: [[TRUE1:%.*]] = call i32 @less_than_two(i32 [[CMP1]]) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: [[CMP2:%.*]] = call i32 @iszero3(i32 noundef 1) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: [[TRUE2:%.*]] = call i32 @less_than_two(i32 [[CMP2]]) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = add i32 [[TRUE1]], [[TRUE2]]
|
|
; IS__TUNIT_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test3
|
|
; IS__CGSCC_OPM-SAME: () [[ATTR0:#.*]] {
|
|
; IS__CGSCC_OPM-NEXT: [[CMP1:%.*]] = call noundef i32 @iszero3(i32 noundef 0) [[ATTR2:#.*]]
|
|
; IS__CGSCC_OPM-NEXT: [[TRUE1:%.*]] = call i32 @less_than_two(i32 noundef [[CMP1]]) [[ATTR2]], [[RNG0:!range !.*]]
|
|
; IS__CGSCC_OPM-NEXT: [[CMP2:%.*]] = call noundef i32 @iszero3(i32 noundef 1) [[ATTR2]]
|
|
; IS__CGSCC_OPM-NEXT: [[TRUE2:%.*]] = call i32 @less_than_two(i32 noundef [[CMP2]]) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = add i32 [[TRUE1]], [[TRUE2]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test3
|
|
; IS__CGSCC_NPM-SAME: () [[ATTR0:#.*]] {
|
|
; IS__CGSCC_NPM-NEXT: [[CMP1:%.*]] = call noundef i32 @iszero3(i32 noundef 0) [[ATTR1:#.*]], [[RNG0:!range !.*]]
|
|
; IS__CGSCC_NPM-NEXT: [[TRUE1:%.*]] = call i32 @less_than_two(i32 noundef [[CMP1]]) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: [[CMP2:%.*]] = call noundef i32 @iszero3(i32 noundef 1) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: [[TRUE2:%.*]] = call i32 @less_than_two(i32 noundef [[CMP2]]) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = add i32 [[TRUE1]], [[TRUE2]]
|
|
; IS__CGSCC_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
%cmp1 = call i32 @iszero3(i32 0)
|
|
%true1 = call i32 @less_than_two(i32 %cmp1)
|
|
%cmp2 = call i32 @iszero3(i32 1)
|
|
%true2 = call i32 @less_than_two(i32 %cmp2)
|
|
%ret = add i32 %true1, %true2
|
|
ret i32 %ret
|
|
}
|
|
|
|
|
|
; potential-test 4,5
|
|
;
|
|
; simplified
|
|
; int potential_test4(int c) { return return1or3(c) == 2; }
|
|
; int potential_test5(int c) { return return1or3(c) == return2or4(c); }
|
|
;
|
|
; not simplified
|
|
; int potential_test6(int c) { return return1or3(c) == 3; }
|
|
; int potential_test7(int c) { return return1or3(c) == return3or4(c); }
|
|
|
|
define i32 @potential_test4(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test4
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test4
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
;
|
|
%csret = call i32 @return1or3(i32 %c)
|
|
%false = icmp eq i32 %csret, 2
|
|
%ret = zext i1 %false to i32
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test5(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test5
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test5
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
;
|
|
%csret1 = call i32 @return1or3(i32 %c)
|
|
%csret2 = call i32 @return2or4(i32 %c)
|
|
%false = icmp eq i32 %csret1, %csret2
|
|
%ret = zext i1 %false to i32
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i1 @potential_test6(i32 %c) {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test6
|
|
; IS__TUNIT_OPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR0]], [[RNG0:!range !.*]]
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], 3
|
|
; IS__TUNIT_OPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test6
|
|
; IS__TUNIT_NPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR0]], [[RNG1:!range !.*]]
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], 3
|
|
; IS__TUNIT_NPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test6
|
|
; IS__CGSCC_OPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR2]], [[RNG1:!range !.*]]
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], 3
|
|
; IS__CGSCC_OPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test6
|
|
; IS__CGSCC_NPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR1]], [[RNG1:!range !.*]]
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], 3
|
|
; IS__CGSCC_NPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
%csret1 = call i32 @return1or3(i32 %c)
|
|
%ret = icmp eq i32 %csret1, 3
|
|
ret i1 %ret
|
|
}
|
|
|
|
define i1 @potential_test7(i32 %c) {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test7
|
|
; IS__TUNIT_OPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_OPM-NEXT: [[CSRET2:%.*]] = call i32 @return3or4(i32 [[C]]) [[ATTR0]], [[RNG1:!range !.*]]
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], [[CSRET2]]
|
|
; IS__TUNIT_OPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test7
|
|
; IS__TUNIT_NPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR0]], [[RNG1]]
|
|
; IS__TUNIT_NPM-NEXT: [[CSRET2:%.*]] = call i32 @return3or4(i32 [[C]]) [[ATTR0]], [[RNG2:!range !.*]]
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], [[CSRET2]]
|
|
; IS__TUNIT_NPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test7
|
|
; IS__CGSCC_OPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR2]], [[RNG1]]
|
|
; IS__CGSCC_OPM-NEXT: [[CSRET2:%.*]] = call i32 @return3or4(i32 [[C]]) [[ATTR2]], [[RNG2:!range !.*]]
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], [[CSRET2]]
|
|
; IS__CGSCC_OPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test7
|
|
; IS__CGSCC_NPM-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[CSRET1:%.*]] = call i32 @return1or3(i32 [[C]]) [[ATTR1]], [[RNG1]]
|
|
; IS__CGSCC_NPM-NEXT: [[CSRET2:%.*]] = call i32 @return3or4(i32 [[C]]) [[ATTR1]], [[RNG2:!range !.*]]
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = icmp eq i32 [[CSRET1]], [[CSRET2]]
|
|
; IS__CGSCC_NPM-NEXT: ret i1 [[RET]]
|
|
;
|
|
%csret1 = call i32 @return1or3(i32 %c)
|
|
%csret2 = call i32 @return3or4(i32 %c)
|
|
%ret = icmp eq i32 %csret1, %csret2
|
|
ret i1 %ret
|
|
}
|
|
|
|
define internal i32 @return1or3(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@return1or3
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 1, i32 3
|
|
; IS__TUNIT____-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@return1or3
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 1, i32 3
|
|
; IS__CGSCC____-NEXT: ret i32 [[RET]]
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
%ret = select i1 %cmp, i32 1, i32 3
|
|
ret i32 %ret
|
|
}
|
|
|
|
define internal i32 @return2or4(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@return2or4
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i32 undef
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
%ret = select i1 %cmp, i32 2, i32 4
|
|
ret i32 %ret
|
|
}
|
|
|
|
define internal i32 @return3or4(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@return3or4
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 3, i32 4
|
|
; IS__TUNIT____-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@return3or4
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[CMP:%.*]] = icmp eq i32 [[C]], 0
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = select i1 [[CMP]], i32 3, i32 4
|
|
; IS__CGSCC____-NEXT: ret i32 [[RET]]
|
|
;
|
|
%cmp = icmp eq i32 %c, 0
|
|
%ret = select i1 %cmp, i32 3, i32 4
|
|
ret i32 %ret
|
|
}
|
|
|
|
; potential-test 8
|
|
;
|
|
; propagate argument to callsite argument
|
|
|
|
define internal i1 @cmp_with_four(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@cmp_with_four
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 undef
|
|
;
|
|
%cmp = icmp eq i32 %c, 4
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define internal i1 @wrapper(i32 %c) {
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@wrapper
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 undef
|
|
;
|
|
%ret = call i1 @cmp_with_four(i32 %c)
|
|
ret i1 %ret
|
|
}
|
|
|
|
define i1 @potential_test8() {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test8
|
|
; IS__TUNIT____-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test8
|
|
; IS__CGSCC____-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 false
|
|
;
|
|
%res1 = call i1 @wrapper(i32 1)
|
|
%res3 = call i1 @wrapper(i32 3)
|
|
%res5 = call i1 @wrapper(i32 5)
|
|
%res13 = or i1 %res1, %res3
|
|
%res135 = or i1 %res13, %res5
|
|
ret i1 %res135
|
|
}
|
|
|
|
define i1 @potential_test9() {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test9
|
|
; IS__TUNIT_OPM-SAME: () [[ATTR1:#.*]] {
|
|
; IS__TUNIT_OPM-NEXT: entry:
|
|
; IS__TUNIT_OPM-NEXT: br label [[COND:%.*]]
|
|
; IS__TUNIT_OPM: cond:
|
|
; IS__TUNIT_OPM-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_1:%.*]], [[INC:%.*]] ]
|
|
; IS__TUNIT_OPM-NEXT: [[C_0:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ [[C_1:%.*]], [[INC]] ]
|
|
; IS__TUNIT_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 10
|
|
; IS__TUNIT_OPM-NEXT: br i1 [[CMP]], label [[BODY:%.*]], label [[END:%.*]]
|
|
; IS__TUNIT_OPM: body:
|
|
; IS__TUNIT_OPM-NEXT: [[C_1]] = mul i32 [[C_0]], -1
|
|
; IS__TUNIT_OPM-NEXT: br label [[INC]]
|
|
; IS__TUNIT_OPM: inc:
|
|
; IS__TUNIT_OPM-NEXT: [[I_1]] = add i32 [[I_0]], 1
|
|
; IS__TUNIT_OPM-NEXT: br label [[COND]]
|
|
; IS__TUNIT_OPM: end:
|
|
; IS__TUNIT_OPM-NEXT: ret i1 false
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test9
|
|
; IS__TUNIT_NPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: entry:
|
|
; IS__TUNIT_NPM-NEXT: br label [[COND:%.*]]
|
|
; IS__TUNIT_NPM: cond:
|
|
; IS__TUNIT_NPM-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_1:%.*]], [[INC:%.*]] ]
|
|
; IS__TUNIT_NPM-NEXT: [[C_0:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ [[C_1:%.*]], [[INC]] ]
|
|
; IS__TUNIT_NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 10
|
|
; IS__TUNIT_NPM-NEXT: br i1 [[CMP]], label [[BODY:%.*]], label [[END:%.*]]
|
|
; IS__TUNIT_NPM: body:
|
|
; IS__TUNIT_NPM-NEXT: [[C_1]] = mul i32 [[C_0]], -1
|
|
; IS__TUNIT_NPM-NEXT: br label [[INC]]
|
|
; IS__TUNIT_NPM: inc:
|
|
; IS__TUNIT_NPM-NEXT: [[I_1]] = add i32 [[I_0]], 1
|
|
; IS__TUNIT_NPM-NEXT: br label [[COND]]
|
|
; IS__TUNIT_NPM: end:
|
|
; IS__TUNIT_NPM-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test9
|
|
; IS__CGSCC_OPM-SAME: () [[ATTR1:#.*]] {
|
|
; IS__CGSCC_OPM-NEXT: entry:
|
|
; IS__CGSCC_OPM-NEXT: br label [[COND:%.*]]
|
|
; IS__CGSCC_OPM: cond:
|
|
; IS__CGSCC_OPM-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_1:%.*]], [[INC:%.*]] ]
|
|
; IS__CGSCC_OPM-NEXT: [[C_0:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ [[C_1:%.*]], [[INC]] ]
|
|
; IS__CGSCC_OPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 10
|
|
; IS__CGSCC_OPM-NEXT: br i1 [[CMP]], label [[BODY:%.*]], label [[END:%.*]]
|
|
; IS__CGSCC_OPM: body:
|
|
; IS__CGSCC_OPM-NEXT: [[C_1]] = mul i32 [[C_0]], -1
|
|
; IS__CGSCC_OPM-NEXT: br label [[INC]]
|
|
; IS__CGSCC_OPM: inc:
|
|
; IS__CGSCC_OPM-NEXT: [[I_1]] = add i32 [[I_0]], 1
|
|
; IS__CGSCC_OPM-NEXT: br label [[COND]]
|
|
; IS__CGSCC_OPM: end:
|
|
; IS__CGSCC_OPM-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test9
|
|
; IS__CGSCC_NPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: entry:
|
|
; IS__CGSCC_NPM-NEXT: br label [[COND:%.*]]
|
|
; IS__CGSCC_NPM: cond:
|
|
; IS__CGSCC_NPM-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[I_1:%.*]], [[INC:%.*]] ]
|
|
; IS__CGSCC_NPM-NEXT: [[C_0:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ [[C_1:%.*]], [[INC]] ]
|
|
; IS__CGSCC_NPM-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], 10
|
|
; IS__CGSCC_NPM-NEXT: br i1 [[CMP]], label [[BODY:%.*]], label [[END:%.*]]
|
|
; IS__CGSCC_NPM: body:
|
|
; IS__CGSCC_NPM-NEXT: [[C_1]] = mul i32 [[C_0]], -1
|
|
; IS__CGSCC_NPM-NEXT: br label [[INC]]
|
|
; IS__CGSCC_NPM: inc:
|
|
; IS__CGSCC_NPM-NEXT: [[I_1]] = add i32 [[I_0]], 1
|
|
; IS__CGSCC_NPM-NEXT: br label [[COND]]
|
|
; IS__CGSCC_NPM: end:
|
|
; IS__CGSCC_NPM-NEXT: ret i1 false
|
|
;
|
|
entry:
|
|
br label %cond
|
|
cond:
|
|
%i.0 = phi i32 [0, %entry], [%i.1, %inc]
|
|
%c.0 = phi i32 [1, %entry], [%c.1, %inc]
|
|
%cmp = icmp slt i32 %i.0, 10
|
|
br i1 %cmp, label %body, label %end
|
|
body:
|
|
%c.1 = mul i32 %c.0, -1
|
|
br label %inc
|
|
inc:
|
|
%i.1 = add i32 %i.0, 1
|
|
br label %cond
|
|
end:
|
|
%ret = icmp eq i32 %c.0, 0
|
|
ret i1 %ret
|
|
}
|
|
|
|
; Test 10
|
|
; FIXME: potential returned values of @may_return_undef is {1, -1}
|
|
; and returned value of @potential_test10 can be simplified to 0(false)
|
|
|
|
define internal i32 @may_return_undef(i32 %c) {
|
|
switch i32 %c, label %otherwise [i32 1, label %a
|
|
i32 -1, label %b]
|
|
a:
|
|
ret i32 1
|
|
b:
|
|
ret i32 -1
|
|
otherwise:
|
|
ret i32 undef
|
|
}
|
|
|
|
define i1 @potential_test10(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test10
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test10
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 false
|
|
;
|
|
%ret = call i32 @may_return_undef(i32 %c)
|
|
%cmp = icmp eq i32 %ret, 0
|
|
ret i1 %cmp
|
|
}
|
|
|
|
define i32 @optimize_undef_1(i1 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@optimize_undef_1
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__TUNIT____: t:
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
; IS__TUNIT____: f:
|
|
; IS__TUNIT____-NEXT: ret i32 1
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@optimize_undef_1
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__CGSCC____: t:
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
; IS__CGSCC____: f:
|
|
; IS__CGSCC____-NEXT: ret i32 1
|
|
;
|
|
br i1 %c, label %t, label %f
|
|
t:
|
|
ret i32 0
|
|
f:
|
|
%undef = add i32 undef, 1
|
|
ret i32 %undef
|
|
}
|
|
|
|
define i32 @optimize_undef_2(i1 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@optimize_undef_2
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__TUNIT____: t:
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
; IS__TUNIT____: f:
|
|
; IS__TUNIT____-NEXT: ret i32 -1
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@optimize_undef_2
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__CGSCC____: t:
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
; IS__CGSCC____: f:
|
|
; IS__CGSCC____-NEXT: ret i32 -1
|
|
;
|
|
br i1 %c, label %t, label %f
|
|
t:
|
|
ret i32 0
|
|
f:
|
|
%undef = sub i32 undef, 1
|
|
ret i32 %undef
|
|
}
|
|
|
|
define i32 @optimize_undef_3(i1 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@optimize_undef_3
|
|
; IS__TUNIT____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__TUNIT____: t:
|
|
; IS__TUNIT____-NEXT: ret i32 0
|
|
; IS__TUNIT____: f:
|
|
; IS__TUNIT____-NEXT: ret i32 1
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@optimize_undef_3
|
|
; IS__CGSCC____-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__CGSCC____: t:
|
|
; IS__CGSCC____-NEXT: ret i32 0
|
|
; IS__CGSCC____: f:
|
|
; IS__CGSCC____-NEXT: ret i32 1
|
|
;
|
|
br i1 %c, label %t, label %f
|
|
t:
|
|
ret i32 0
|
|
f:
|
|
%undef = icmp eq i32 undef, 0
|
|
%undef2 = zext i1 %undef to i32
|
|
ret i32 %undef2
|
|
}
|
|
|
|
|
|
; FIXME: returned value can be simplified to 0
|
|
define i32 @potential_test11(i1 %c) {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test11
|
|
; IS__TUNIT_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[ZERO1:%.*]] = call i32 @optimize_undef_1(i1 [[C]]) [[ATTR0]], [[RNG2:!range !.*]]
|
|
; IS__TUNIT_OPM-NEXT: [[ZERO2:%.*]] = call i32 @optimize_undef_2(i1 [[C]]) [[ATTR0]], [[RNG3:!range !.*]]
|
|
; IS__TUNIT_OPM-NEXT: [[ACC1:%.*]] = add i32 [[ZERO1]], [[ZERO2]]
|
|
; IS__TUNIT_OPM-NEXT: [[ACC2:%.*]] = add i32 [[ACC1]], 0
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[ACC2]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test11
|
|
; IS__TUNIT_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[ZERO1:%.*]] = call i32 @optimize_undef_1(i1 [[C]]) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: [[ZERO2:%.*]] = call i32 @optimize_undef_2(i1 [[C]]) [[ATTR0]], [[RNG3:!range !.*]]
|
|
; IS__TUNIT_NPM-NEXT: [[ACC1:%.*]] = add i32 [[ZERO1]], [[ZERO2]]
|
|
; IS__TUNIT_NPM-NEXT: [[ACC2:%.*]] = add i32 [[ACC1]], 0
|
|
; IS__TUNIT_NPM-NEXT: ret i32 [[ACC2]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test11
|
|
; IS__CGSCC_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[ZERO1:%.*]] = call i32 @optimize_undef_1(i1 [[C]]) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: [[ZERO2:%.*]] = call i32 @optimize_undef_2(i1 [[C]]) [[ATTR2]], [[RNG3:!range !.*]]
|
|
; IS__CGSCC_OPM-NEXT: [[ZERO3:%.*]] = call i32 @optimize_undef_3(i1 [[C]]) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: [[ACC1:%.*]] = add i32 [[ZERO1]], [[ZERO2]]
|
|
; IS__CGSCC_OPM-NEXT: [[ACC2:%.*]] = add i32 [[ACC1]], [[ZERO3]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[ACC2]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test11
|
|
; IS__CGSCC_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[ZERO1:%.*]] = call i32 @optimize_undef_1(i1 [[C]]) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: [[ZERO2:%.*]] = call i32 @optimize_undef_2(i1 [[C]]) [[ATTR1]], [[RNG3:!range !.*]]
|
|
; IS__CGSCC_NPM-NEXT: [[ZERO3:%.*]] = call i32 @optimize_undef_3(i1 [[C]]) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: [[ACC1:%.*]] = add i32 [[ZERO1]], [[ZERO2]]
|
|
; IS__CGSCC_NPM-NEXT: [[ACC2:%.*]] = add i32 [[ACC1]], [[ZERO3]]
|
|
; IS__CGSCC_NPM-NEXT: ret i32 [[ACC2]]
|
|
;
|
|
%zero1 = call i32 @optimize_undef_1(i1 %c)
|
|
%zero2 = call i32 @optimize_undef_2(i1 %c)
|
|
%zero3 = call i32 @optimize_undef_3(i1 %c)
|
|
%acc1 = add i32 %zero1, %zero2
|
|
%acc2 = add i32 %acc1, %zero3
|
|
ret i32 %acc2
|
|
}
|
|
|
|
define i32 @optimize_poison_1(i1 %c) {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@optimize_poison_1
|
|
; IS__TUNIT_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__TUNIT_OPM: t:
|
|
; IS__TUNIT_OPM-NEXT: ret i32 0
|
|
; IS__TUNIT_OPM: f:
|
|
; IS__TUNIT_OPM-NEXT: ret i32 -1
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@optimize_poison_1
|
|
; IS__TUNIT_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__TUNIT_NPM: t:
|
|
; IS__TUNIT_NPM-NEXT: ret i32 0
|
|
; IS__TUNIT_NPM: f:
|
|
; IS__TUNIT_NPM-NEXT: ret i32 undef
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@optimize_poison_1
|
|
; IS__CGSCC_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__CGSCC_OPM: t:
|
|
; IS__CGSCC_OPM-NEXT: ret i32 0
|
|
; IS__CGSCC_OPM: f:
|
|
; IS__CGSCC_OPM-NEXT: ret i32 -1
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@optimize_poison_1
|
|
; IS__CGSCC_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
|
|
; IS__CGSCC_NPM: t:
|
|
; IS__CGSCC_NPM-NEXT: ret i32 0
|
|
; IS__CGSCC_NPM: f:
|
|
; IS__CGSCC_NPM-NEXT: ret i32 undef
|
|
;
|
|
br i1 %c, label %t, label %f
|
|
t:
|
|
ret i32 0
|
|
f:
|
|
%poison = sub nuw i32 0, 1
|
|
ret i32 %poison
|
|
}
|
|
|
|
; FIXME: returned value can be simplified to 0
|
|
define i32 @potential_test12(i1 %c) {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test12
|
|
; IS__TUNIT_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[ZERO:%.*]] = call noundef i32 @optimize_poison_1(i1 [[C]]) [[ATTR0]], [[RNG3]]
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[ZERO]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test12
|
|
; IS__TUNIT_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: ret i32 0
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test12
|
|
; IS__CGSCC_OPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[ZERO:%.*]] = call i32 @optimize_poison_1(i1 [[C]]) [[ATTR2]], [[RNG3]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[ZERO]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test12
|
|
; IS__CGSCC_NPM-SAME: (i1 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: ret i32 0
|
|
;
|
|
%zero = call i32 @optimize_poison_1(i1 %c)
|
|
ret i32 %zero
|
|
}
|
|
|
|
; Test 13
|
|
; Do not simplify %ret in the callee to `%c`.
|
|
; The potential value of %c is {0, 1} (undef is merged).
|
|
; However, we should not simplify `and i32 %c, 3` to `%c`
|
|
|
|
define internal i32 @potential_test13_callee(i32 %c) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test13_callee
|
|
; IS__TUNIT____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = and i32 [[C]], 3
|
|
; IS__TUNIT____-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test13_callee
|
|
; IS__CGSCC____-SAME: (i32 [[C:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = and i32 [[C]], 3
|
|
; IS__CGSCC____-NEXT: ret i32 [[RET]]
|
|
;
|
|
%ret = and i32 %c, 3
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test13_caller1() {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test13_caller1
|
|
; IS__TUNIT_OPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 0) [[ATTR0]], [[RNG2]]
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test13_caller1
|
|
; IS__TUNIT_NPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 0) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test13_caller1
|
|
; IS__CGSCC_OPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 0) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test13_caller1
|
|
; IS__CGSCC_NPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 0) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
%ret = call i32 @potential_test13_callee(i32 0)
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test13_caller2() {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test13_caller2
|
|
; IS__TUNIT_OPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 1) [[ATTR0]], [[RNG2]]
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test13_caller2
|
|
; IS__TUNIT_NPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 1) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test13_caller2
|
|
; IS__CGSCC_OPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 1) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test13_caller2
|
|
; IS__CGSCC_NPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 noundef 1) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
%ret = call i32 @potential_test13_callee(i32 1)
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i32 @potential_test13_caller3() {
|
|
; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@potential_test13_caller3
|
|
; IS__TUNIT_OPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 undef) [[ATTR0]], [[RNG2]]
|
|
; IS__TUNIT_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@potential_test13_caller3
|
|
; IS__TUNIT_NPM-SAME: () [[ATTR0]] {
|
|
; IS__TUNIT_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 undef) [[ATTR0]], [[RNG0]]
|
|
; IS__TUNIT_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_OPM-LABEL: define {{[^@]+}}@potential_test13_caller3
|
|
; IS__CGSCC_OPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_OPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 undef) [[ATTR2]], [[RNG0]]
|
|
; IS__CGSCC_OPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
; IS__CGSCC_NPM: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC_NPM-LABEL: define {{[^@]+}}@potential_test13_caller3
|
|
; IS__CGSCC_NPM-SAME: () [[ATTR0]] {
|
|
; IS__CGSCC_NPM-NEXT: [[RET:%.*]] = call i32 @potential_test13_callee(i32 undef) [[ATTR1]], [[RNG0]]
|
|
; IS__CGSCC_NPM-NEXT: ret i32 [[RET]]
|
|
;
|
|
%ret = call i32 @potential_test13_callee(i32 undef)
|
|
ret i32 %ret
|
|
}
|
|
|
|
define i1 @potential_test14(i1 %c0, i1 %c1, i1 %c2, i1 %c3) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test14
|
|
; IS__TUNIT____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]], i1 [[C3:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: [[X0:%.*]] = select i1 [[C0]], i32 0, i32 1
|
|
; IS__TUNIT____-NEXT: [[X1:%.*]] = select i1 [[C1]], i32 [[X0]], i32 undef
|
|
; IS__TUNIT____-NEXT: [[Y2:%.*]] = select i1 [[C2]], i32 0, i32 7
|
|
; IS__TUNIT____-NEXT: [[Z3:%.*]] = select i1 [[C3]], i32 [[X1]], i32 [[Y2]]
|
|
; IS__TUNIT____-NEXT: [[RET:%.*]] = icmp slt i32 [[Z3]], 7
|
|
; IS__TUNIT____-NEXT: ret i1 [[RET]]
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test14
|
|
; IS__CGSCC____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]], i1 [[C2:%.*]], i1 [[C3:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: [[X0:%.*]] = select i1 [[C0]], i32 0, i32 1
|
|
; IS__CGSCC____-NEXT: [[X1:%.*]] = select i1 [[C1]], i32 [[X0]], i32 undef
|
|
; IS__CGSCC____-NEXT: [[Y2:%.*]] = select i1 [[C2]], i32 0, i32 7
|
|
; IS__CGSCC____-NEXT: [[Z3:%.*]] = select i1 [[C3]], i32 [[X1]], i32 [[Y2]]
|
|
; IS__CGSCC____-NEXT: [[RET:%.*]] = icmp slt i32 [[Z3]], 7
|
|
; IS__CGSCC____-NEXT: ret i1 [[RET]]
|
|
;
|
|
%x0 = select i1 %c0, i32 0, i32 1
|
|
%x1 = select i1 %c1, i32 %x0, i32 undef
|
|
%y2 = select i1 %c2, i32 0, i32 7
|
|
%z3 = select i1 %c3, i32 %x1, i32 %y2
|
|
%ret = icmp slt i32 %z3, 7
|
|
ret i1 %ret
|
|
}
|
|
|
|
define i1 @potential_test15(i1 %c0, i1 %c1) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test15
|
|
; IS__TUNIT____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test15
|
|
; IS__CGSCC____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 false
|
|
;
|
|
%x0 = select i1 %c0, i32 0, i32 1
|
|
%x1 = select i1 %c1, i32 %x0, i32 undef
|
|
%ret = icmp eq i32 %x1, 7
|
|
ret i1 %ret
|
|
}
|
|
|
|
define i1 @potential_test16(i1 %c0, i1 %c1) {
|
|
; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
|
|
; IS__TUNIT____-LABEL: define {{[^@]+}}@potential_test16
|
|
; IS__TUNIT____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]]) [[ATTR0]] {
|
|
; IS__TUNIT____-NEXT: ret i1 false
|
|
;
|
|
; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
|
|
; IS__CGSCC____-LABEL: define {{[^@]+}}@potential_test16
|
|
; IS__CGSCC____-SAME: (i1 [[C0:%.*]], i1 [[C1:%.*]]) [[ATTR0]] {
|
|
; IS__CGSCC____-NEXT: ret i1 false
|
|
;
|
|
%x0 = select i1 %c0, i32 0, i32 undef
|
|
%x1 = select i1 %c1, i32 %x0, i32 1
|
|
%ret = icmp eq i32 %x1, 7
|
|
ret i1 %ret
|
|
}
|
|
|
|
; IS__TUNIT_NPM: !0 = !{i32 0, i32 2}
|
|
; IS__TUNIT_NPM: !1 = !{i32 1, i32 4}
|
|
; IS__TUNIT_NPM: !2 = !{i32 3, i32 5}
|
|
; IS__TUNIT_NPM: !3 = !{i32 -1, i32 1}
|
|
; IS__TUNIT_NPM-NOT: !4
|
|
|
|
; IS__TUNIT_OPM: !0 = !{i32 1, i32 4}
|
|
; IS__TUNIT_OPM: !1 = !{i32 3, i32 5}
|
|
; IS__TUNIT_OPM: !2 = !{i32 0, i32 2}
|
|
; IS__TUNIT_OPM: !3 = !{i32 -1, i32 1}
|
|
; IS__TUNIT_OPM-NOT: !4
|