259 lines
9.3 KiB
LLVM
259 lines
9.3 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=9 -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=9 -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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define i32 @leaf() {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@leaf
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; IS__TUNIT____-SAME: () [[ATTR0:#.*]] {
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; IS__TUNIT____-NEXT: ret i32 1
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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 {{[^@]+}}@leaf
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; IS__CGSCC____-SAME: () [[ATTR0:#.*]] {
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; IS__CGSCC____-NEXT: ret i32 1
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;
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ret i32 1
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}
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define i32 @self_rec() {
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; IS__TUNIT____: Function Attrs: nofree noreturn nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@self_rec
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; IS__TUNIT____-SAME: () [[ATTR1:#.*]] {
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; IS__TUNIT____-NEXT: unreachable
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;
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; IS__CGSCC____: Function Attrs: nofree norecurse noreturn nosync nounwind readnone willreturn
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; IS__CGSCC____-LABEL: define {{[^@]+}}@self_rec
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; IS__CGSCC____-SAME: () [[ATTR1:#.*]] {
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; IS__CGSCC____-NEXT: unreachable
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;
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%a = call i32 @self_rec()
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ret i32 4
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}
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define i32 @indirect_rec() {
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; CHECK: Function Attrs: nofree noreturn nosync nounwind readnone
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; CHECK-LABEL: define {{[^@]+}}@indirect_rec
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; CHECK-SAME: () [[ATTR2:#.*]] {
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; CHECK-NEXT: [[A:%.*]] = call i32 @indirect_rec2() [[ATTR2]]
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; CHECK-NEXT: unreachable
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;
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%a = call i32 @indirect_rec2()
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ret i32 %a
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}
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define i32 @indirect_rec2() {
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; CHECK: Function Attrs: nofree noreturn nosync nounwind readnone
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; CHECK-LABEL: define {{[^@]+}}@indirect_rec2
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; CHECK-SAME: () [[ATTR2]] {
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; CHECK-NEXT: [[A:%.*]] = call i32 @indirect_rec() [[ATTR2]]
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; CHECK-NEXT: unreachable
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;
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%a = call i32 @indirect_rec()
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ret i32 %a
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}
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define i32 @extern() {
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; CHECK: Function Attrs: nosync readnone
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; CHECK-LABEL: define {{[^@]+}}@extern
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; CHECK-SAME: () [[ATTR3:#.*]] {
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; CHECK-NEXT: [[A:%.*]] = call i32 @k()
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; CHECK-NEXT: ret i32 [[A]]
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;
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%a = call i32 @k()
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ret i32 %a
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}
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; CHECK: Function Attrs
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; CHECK-NEXT: declare i32 @k()
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declare i32 @k() readnone
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define void @intrinsic(i8* %dest, i8* %src, i32 %len) {
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; CHECK: Function Attrs: argmemonly nofree nosync nounwind willreturn
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; CHECK-LABEL: define {{[^@]+}}@intrinsic
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; CHECK-SAME: (i8* nocapture nofree writeonly [[DEST:%.*]], i8* nocapture nofree readonly [[SRC:%.*]], i32 [[LEN:%.*]]) [[ATTR5:#.*]] {
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; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture nofree writeonly [[DEST]], i8* noalias nocapture nofree readonly [[SRC]], i32 [[LEN]], i1 noundef false) [[ATTR10:#.*]]
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; CHECK-NEXT: ret void
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;
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* %dest, i8* %src, i32 %len, i1 false)
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ret void
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}
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; CHECK: Function Attrs
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; CHECK-NEXT: declare void @llvm.memcpy.p0i8.p0i8.i32
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i1)
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define internal i32 @called_by_norecurse() {
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; IS__TUNIT____: Function Attrs: nosync readnone
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; IS__TUNIT____-LABEL: define {{[^@]+}}@called_by_norecurse
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; IS__TUNIT____-SAME: () [[ATTR3:#.*]] {
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; IS__TUNIT____-NEXT: [[A:%.*]] = call i32 @k()
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; IS__TUNIT____-NEXT: ret i32 undef
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;
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; IS__CGSCC____: Function Attrs: norecurse nosync readnone
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; IS__CGSCC____-LABEL: define {{[^@]+}}@called_by_norecurse
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; IS__CGSCC____-SAME: () [[ATTR6:#.*]] {
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; IS__CGSCC____-NEXT: [[A:%.*]] = call i32 @k()
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; IS__CGSCC____-NEXT: ret i32 undef
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;
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%a = call i32 @k()
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ret i32 %a
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}
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define void @m() norecurse {
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; IS__TUNIT____: Function Attrs: norecurse nosync readnone
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; IS__TUNIT____-LABEL: define {{[^@]+}}@m
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; IS__TUNIT____-SAME: () [[ATTR6:#.*]] {
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; IS__TUNIT____-NEXT: [[A:%.*]] = call i32 @called_by_norecurse() [[ATTR3]]
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; IS__TUNIT____-NEXT: ret void
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;
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; IS__CGSCC____: Function Attrs: norecurse nosync readnone
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; IS__CGSCC____-LABEL: define {{[^@]+}}@m
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; IS__CGSCC____-SAME: () [[ATTR6]] {
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; IS__CGSCC____-NEXT: [[A:%.*]] = call i32 @called_by_norecurse()
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; IS__CGSCC____-NEXT: ret void
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;
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%a = call i32 @called_by_norecurse()
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ret void
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}
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define internal i32 @called_by_norecurse_indirectly() {
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; CHECK: Function Attrs: nosync readnone
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; CHECK-LABEL: define {{[^@]+}}@called_by_norecurse_indirectly
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; CHECK-SAME: () [[ATTR3]] {
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; CHECK-NEXT: [[A:%.*]] = call i32 @k()
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; CHECK-NEXT: ret i32 [[A]]
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;
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%a = call i32 @k()
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ret i32 %a
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}
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define internal i32 @o() {
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; IS__TUNIT____: Function Attrs: nosync readnone
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; IS__TUNIT____-LABEL: define {{[^@]+}}@o
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; IS__TUNIT____-SAME: () [[ATTR3]] {
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; IS__TUNIT____-NEXT: [[A:%.*]] = call i32 @called_by_norecurse_indirectly() [[ATTR3]]
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; IS__TUNIT____-NEXT: ret i32 [[A]]
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;
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; IS__CGSCC____: Function Attrs: norecurse nosync readnone
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; IS__CGSCC____-LABEL: define {{[^@]+}}@o
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; IS__CGSCC____-SAME: () [[ATTR6]] {
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; IS__CGSCC____-NEXT: [[A:%.*]] = call i32 @called_by_norecurse_indirectly()
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; IS__CGSCC____-NEXT: ret i32 [[A]]
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;
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%a = call i32 @called_by_norecurse_indirectly()
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ret i32 %a
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}
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define i32 @p() norecurse {
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; IS__TUNIT____: Function Attrs: norecurse nosync readnone
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; IS__TUNIT____-LABEL: define {{[^@]+}}@p
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; IS__TUNIT____-SAME: () [[ATTR6]] {
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; IS__TUNIT____-NEXT: [[A:%.*]] = call i32 @o() [[ATTR3]]
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; IS__TUNIT____-NEXT: ret i32 [[A]]
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;
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; IS__CGSCC____: Function Attrs: norecurse nosync readnone
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; IS__CGSCC____-LABEL: define {{[^@]+}}@p
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; IS__CGSCC____-SAME: () [[ATTR6]] {
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; IS__CGSCC____-NEXT: [[A:%.*]] = call i32 @o()
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; IS__CGSCC____-NEXT: ret i32 [[A]]
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;
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%a = call i32 @o()
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ret i32 %a
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}
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define void @f(i32 %x) {
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; CHECK: Function Attrs: nofree nosync nounwind readnone
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; CHECK-LABEL: define {{[^@]+}}@f
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; CHECK-SAME: (i32 [[X:%.*]]) [[ATTR7:#.*]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
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; CHECK-NEXT: store i32 [[X]], i32* [[X_ADDR]], align 4
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; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[X_ADDR]], align 4
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; CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
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; CHECK-NEXT: br i1 [[TOBOOL]], label [[IF_THEN:%.*]], label [[IF_END:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: call void @g() [[ATTR8:#.*]]
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; CHECK-NEXT: br label [[IF_END]]
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; CHECK: if.end:
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; CHECK-NEXT: ret void
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;
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entry:
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%x.addr = alloca i32, align 4
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store i32 %x, i32* %x.addr, align 4
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%0 = load i32, i32* %x.addr, align 4
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%tobool = icmp ne i32 %0, 0
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br i1 %tobool, label %if.then, label %if.end
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if.then:
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call void @g() norecurse
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br label %if.end
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if.end:
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ret void
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}
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define void @g() norecurse {
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; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone
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; CHECK-LABEL: define {{[^@]+}}@g
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; CHECK-SAME: () [[ATTR8]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @f(i32 noundef 0) [[ATTR7]]
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; CHECK-NEXT: ret void
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;
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entry:
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call void @f(i32 0)
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ret void
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}
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define linkonce_odr i32 @leaf_redefinable() {
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; CHECK-LABEL: define {{[^@]+}}@leaf_redefinable() {
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; CHECK-NEXT: ret i32 1
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;
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ret i32 1
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}
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; Call through a function pointer
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define i32 @eval_func1(i32 (i32)* , i32) local_unnamed_addr {
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; CHECK-LABEL: define {{[^@]+}}@eval_func1
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; CHECK-SAME: (i32 (i32)* nocapture nofree nonnull [[TMP0:%.*]], i32 [[TMP1:%.*]]) local_unnamed_addr {
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 [[TMP0]](i32 [[TMP1]])
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%3 = tail call i32 %0(i32 %1) #2
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ret i32 %3
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}
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define i32 @eval_func2(i32 (i32)* , i32) local_unnamed_addr null_pointer_is_valid{
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; CHECK: Function Attrs: null_pointer_is_valid
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; CHECK-LABEL: define {{[^@]+}}@eval_func2
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; CHECK-SAME: (i32 (i32)* nocapture nofree [[TMP0:%.*]], i32 [[TMP1:%.*]]) local_unnamed_addr [[ATTR9:#.*]] {
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 [[TMP0]](i32 [[TMP1]])
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%3 = tail call i32 %0(i32 %1) #2
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ret i32 %3
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}
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; Call an unknown function in a dead block.
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declare void @unknown()
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define i32 @call_unknown_in_dead_block() local_unnamed_addr {
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; IS__TUNIT____: Function Attrs: nofree nosync nounwind readnone willreturn
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; IS__TUNIT____-LABEL: define {{[^@]+}}@call_unknown_in_dead_block
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; IS__TUNIT____-SAME: () local_unnamed_addr [[ATTR0]] {
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; IS__TUNIT____-NEXT: ret i32 0
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; IS__TUNIT____: Dead:
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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 {{[^@]+}}@call_unknown_in_dead_block
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; IS__CGSCC____-SAME: () local_unnamed_addr [[ATTR0]] {
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; IS__CGSCC____-NEXT: ret i32 0
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; IS__CGSCC____: Dead:
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; IS__CGSCC____-NEXT: unreachable
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;
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ret i32 0
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Dead:
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tail call void @unknown()
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ret i32 1
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}
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