forked from OSchip/llvm-project
[Attributor][NFC] Precommit test case with branch on undef
This test exposes a bug in the module pass as it simplifies ipccp4 to unreachable, which is unfortunately wrong.
This commit is contained in:
Johannes Doerfert
parent
2bc51d39db
commit
9098fc9f42
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@ -330,6 +330,69 @@ define i32 @ipccp3() {
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ret i32 %r
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}
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define internal i32 @ipccp4ia(i1 %c) {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ia
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; IS__CGSCC____-SAME: () #[[ATTR1]] {
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; IS__CGSCC____-NEXT: br label [[T:%.*]]
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; IS__CGSCC____: t:
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; IS__CGSCC____-NEXT: ret i32 undef
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; IS__CGSCC____: f:
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; IS__CGSCC____-NEXT: unreachable
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;
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br i1 %c, label %t, label %f
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t:
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ret i32 0
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f:
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ret i32 1
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}
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define internal i32 @ipccp4ib(i32 %a) {
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; IS__CGSCC____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@ipccp4ib
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; IS__CGSCC____-SAME: () #[[ATTR1]] {
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; IS__CGSCC____-NEXT: br label [[T:%.*]]
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; IS__CGSCC____: t:
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; IS__CGSCC____-NEXT: ret i32 undef
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; IS__CGSCC____: f:
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; IS__CGSCC____-NEXT: unreachable
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;
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%c = icmp eq i32 %a, 7
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br i1 %c, label %t, label %f
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t:
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%r = call i32 @ipccp4ia(i1 %c)
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ret i32 %r
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f:
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ret i32 1
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}
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define i32 @ipccp4(i1 %c) {
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; IS__TUNIT____: Function Attrs: nofree noreturn nosync nounwind readnone
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; IS__TUNIT____-LABEL: define {{[^@]+}}@ipccp4
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; IS__TUNIT____-SAME: (i1 [[C:%.*]]) #[[ATTR2:[0-9]+]] {
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; IS__TUNIT____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
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; IS__TUNIT____: t:
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; IS__TUNIT____-NEXT: unreachable
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; IS__TUNIT____: f:
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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 {{[^@]+}}@ipccp4
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; IS__CGSCC____-SAME: (i1 [[C:%.*]]) #[[ATTR1]] {
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; IS__CGSCC____-NEXT: br i1 [[C]], label [[T:%.*]], label [[F:%.*]]
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; IS__CGSCC____: t:
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; IS__CGSCC____-NEXT: br label [[F]]
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; IS__CGSCC____: f:
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; IS__CGSCC____-NEXT: ret i32 0
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;
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br i1 %c, label %t, label %f
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t:
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%q = call i32 @ipccp4ia(i1 undef)
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br label %f
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f:
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%r = call i32 @ipccp4ib(i32 7)
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ret i32 %r
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}
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; Do not touch complicated arguments (for now)
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%struct.X = type { i8* }
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define internal i32* @test_inalloca(i32* inalloca(i32) %a) {
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@ -385,14 +448,14 @@ define i32* @complicated_args_preallocated() {
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; IS__TUNIT_OPM: Function Attrs: nofree nosync nounwind willreturn
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; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_preallocated
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; IS__TUNIT_OPM-SAME: () #[[ATTR0:[0-9]+]] {
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; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]]
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; IS__TUNIT_OPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR6:[0-9]+]]
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; IS__TUNIT_OPM-NEXT: [[CALL:%.*]] = call i32* @test_preallocated(i32* noalias nocapture nofree noundef writeonly preallocated(i32) align 536870912 null) #[[ATTR1]] [ "preallocated"(token [[C]]) ]
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; IS__TUNIT_OPM-NEXT: ret i32* [[CALL]]
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;
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; IS__TUNIT_NPM: Function Attrs: nofree nosync nounwind willreturn
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; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_preallocated
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; IS__TUNIT_NPM-SAME: () #[[ATTR0:[0-9]+]] {
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; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR4:[0-9]+]]
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; IS__TUNIT_NPM-NEXT: [[C:%.*]] = call token @llvm.call.preallocated.setup(i32 noundef 1) #[[ATTR5:[0-9]+]]
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; IS__TUNIT_NPM-NEXT: [[CALL:%.*]] = call i32* @test_preallocated(i32* noalias nocapture nofree noundef writeonly preallocated(i32) align 536870912 null) #[[ATTR1]] [ "preallocated"(token [[C]]) ]
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; IS__TUNIT_NPM-NEXT: ret i32* [[CALL]]
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;
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@ -419,7 +482,7 @@ define internal void @test_sret(%struct.X* sret(%struct.X) %a, %struct.X** %b) {
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;
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; IS__TUNIT____: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
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; IS__TUNIT____-LABEL: define {{[^@]+}}@test_sret
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; IS__TUNIT____-SAME: (%struct.X* noalias nofree noundef nonnull writeonly sret([[STRUCT_X:%.*]]) align 536870912 dereferenceable(8) [[A:%.*]], %struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR2:[0-9]+]] {
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; IS__TUNIT____-SAME: (%struct.X* noalias nofree noundef nonnull writeonly sret([[STRUCT_X:%.*]]) align 536870912 dereferenceable(8) [[A:%.*]], %struct.X** nocapture nofree noundef nonnull writeonly align 8 dereferenceable(8) [[B:%.*]]) #[[ATTR3:[0-9]+]] {
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; IS__TUNIT____-NEXT: store %struct.X* [[A]], %struct.X** [[B]], align 8
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; IS__TUNIT____-NEXT: ret void
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;
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@ -437,14 +500,14 @@ define void @complicated_args_sret(%struct.X** %b) {
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;
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; IS__TUNIT_OPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
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; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@complicated_args_sret
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; IS__TUNIT_OPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] {
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; IS__TUNIT_OPM-NEXT: call void @test_sret(%struct.X* noalias nocapture nofree noundef writeonly align 536870912 null, %struct.X** nocapture nofree writeonly align 8 [[B]]) #[[ATTR6:[0-9]+]]
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; IS__TUNIT_OPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR3]] {
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; IS__TUNIT_OPM-NEXT: call void @test_sret(%struct.X* noalias nocapture nofree noundef writeonly align 536870912 null, %struct.X** nocapture nofree writeonly align 8 [[B]]) #[[ATTR7:[0-9]+]]
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; IS__TUNIT_OPM-NEXT: ret void
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;
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; IS__TUNIT_NPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
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; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@complicated_args_sret
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; IS__TUNIT_NPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR2]] {
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; IS__TUNIT_NPM-NEXT: call void @test_sret(%struct.X* noalias nocapture nofree noundef writeonly align 536870912 null, %struct.X** nocapture nofree writeonly align 8 [[B]]) #[[ATTR5:[0-9]+]]
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; IS__TUNIT_NPM-SAME: (%struct.X** nocapture nofree writeonly [[B:%.*]]) #[[ATTR3]] {
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; IS__TUNIT_NPM-NEXT: call void @test_sret(%struct.X* noalias nocapture nofree noundef writeonly align 536870912 null, %struct.X** nocapture nofree writeonly align 8 [[B]]) #[[ATTR6:[0-9]+]]
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; IS__TUNIT_NPM-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: argmemonly nofree norecurse nosync nounwind willreturn writeonly
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@ -538,7 +601,7 @@ define void @complicated_args_byval() {
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define internal i8*@test_byval2(%struct.X* byval(%struct.X) %a) {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readonly willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@test_byval2
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; IS__TUNIT____-SAME: () #[[ATTR3:[0-9]+]] {
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; IS__TUNIT____-SAME: () #[[ATTR4:[0-9]+]] {
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; IS__TUNIT____-NEXT: [[G0:%.*]] = getelementptr [[STRUCT_X:%.*]], %struct.X* @S, i32 0, i32 0
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; IS__TUNIT____-NEXT: [[L:%.*]] = load i8*, i8** [[G0]], align 8
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; IS__TUNIT____-NEXT: ret i8* [[L]]
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@ -557,8 +620,8 @@ define internal i8*@test_byval2(%struct.X* byval(%struct.X) %a) {
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define i8* @complicated_args_byval2() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readonly willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@complicated_args_byval2
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; IS__TUNIT____-SAME: () #[[ATTR3]] {
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; IS__TUNIT____-NEXT: [[C:%.*]] = call i8* @test_byval2() #[[ATTR3]]
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; IS__TUNIT____-SAME: () #[[ATTR4]] {
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; IS__TUNIT____-NEXT: [[C:%.*]] = call i8* @test_byval2() #[[ATTR4]]
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; IS__TUNIT____-NEXT: ret i8* [[C]]
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;
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; IS__CGSCC_OPM: Function Attrs: nofree norecurse nosync nounwind readonly willreturn
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@ -580,7 +643,7 @@ define i8* @complicated_args_byval2() {
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define void @fixpoint_changed(i32* %p) {
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; IS__TUNIT_OPM: Function Attrs: argmemonly nofree nosync nounwind writeonly
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; IS__TUNIT_OPM-LABEL: define {{[^@]+}}@fixpoint_changed
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; IS__TUNIT_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR4:[0-9]+]] {
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; IS__TUNIT_OPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR5:[0-9]+]] {
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; IS__TUNIT_OPM-NEXT: entry:
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; IS__TUNIT_OPM-NEXT: br label [[FOR_COND:%.*]]
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; IS__TUNIT_OPM: for.cond:
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@ -603,7 +666,7 @@ define void @fixpoint_changed(i32* %p) {
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;
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; IS__TUNIT_NPM: Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
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; IS__TUNIT_NPM-LABEL: define {{[^@]+}}@fixpoint_changed
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; IS__TUNIT_NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR2]] {
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; IS__TUNIT_NPM-SAME: (i32* nocapture nofree writeonly [[P:%.*]]) #[[ATTR3]] {
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; IS__TUNIT_NPM-NEXT: entry:
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; IS__TUNIT_NPM-NEXT: br label [[FOR_COND:%.*]]
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; IS__TUNIT_NPM: for.cond:
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@ -809,18 +872,20 @@ define i1 @icmp() {
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;.
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; IS__TUNIT_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR2]] = { argmemonly nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_OPM: attributes #[[ATTR3]] = { nofree nosync nounwind readonly willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR4]] = { argmemonly nofree nosync nounwind writeonly }
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; IS__TUNIT_OPM: attributes #[[ATTR5]] = { willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR6]] = { nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_OPM: attributes #[[ATTR2]] = { nofree noreturn nosync nounwind readnone }
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; IS__TUNIT_OPM: attributes #[[ATTR3]] = { argmemonly nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_OPM: attributes #[[ATTR4]] = { nofree nosync nounwind readonly willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR5]] = { argmemonly nofree nosync nounwind writeonly }
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; IS__TUNIT_OPM: attributes #[[ATTR6]] = { willreturn }
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; IS__TUNIT_OPM: attributes #[[ATTR7]] = { nofree nosync nounwind willreturn writeonly }
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;.
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; IS__TUNIT_NPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR2]] = { argmemonly nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_NPM: attributes #[[ATTR3]] = { nofree nosync nounwind readonly willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR4]] = { willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR5]] = { nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_NPM: attributes #[[ATTR2]] = { nofree noreturn nosync nounwind readnone }
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; IS__TUNIT_NPM: attributes #[[ATTR3]] = { argmemonly nofree nosync nounwind willreturn writeonly }
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; IS__TUNIT_NPM: attributes #[[ATTR4]] = { nofree nosync nounwind readonly willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR5]] = { willreturn }
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; IS__TUNIT_NPM: attributes #[[ATTR6]] = { nofree nosync nounwind willreturn writeonly }
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;.
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; IS__CGSCC_OPM: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn }
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; IS__CGSCC_OPM: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn }
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