258 lines
9.6 KiB
LLVM
258 lines
9.6 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
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; RUN: opt < %s -aa-pipeline=basic-aa -passes='cgscc(function-attrs),rpo-function-attrs' -S | FileCheck --check-prefixes=COMMON,FNATTRS %s
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; RUN: opt -passes=attributor-light -S < %s | FileCheck --check-prefixes=COMMON,ATTRIBUTOR %s
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define i32 @leaf() {
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; COMMON: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
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; COMMON-LABEL: define {{[^@]+}}@leaf
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; COMMON-SAME: () #[[ATTR0:[0-9]+]] {
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; COMMON-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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; FNATTRS: Function Attrs: nofree nosync nounwind memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@self_rec
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; FNATTRS-SAME: () #[[ATTR1:[0-9]+]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @self_rec()
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; FNATTRS-NEXT: ret i32 4
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;
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; ATTRIBUTOR: Function Attrs: nofree nosync nounwind memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@self_rec
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; ATTRIBUTOR-SAME: () #[[ATTR1:[0-9]+]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @self_rec() #[[ATTR1]]
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; ATTRIBUTOR-NEXT: ret i32 4
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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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; FNATTRS: Function Attrs: nofree nosync nounwind memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@indirect_rec
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; FNATTRS-SAME: () #[[ATTR1]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @indirect_rec2()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nofree nosync nounwind memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@indirect_rec
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; ATTRIBUTOR-SAME: () #[[ATTR1]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @indirect_rec2() #[[ATTR1]]
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; ATTRIBUTOR-NEXT: ret i32 [[A]]
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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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; FNATTRS: Function Attrs: nofree nosync nounwind memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@indirect_rec2
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; FNATTRS-SAME: () #[[ATTR1]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @indirect_rec()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nofree nosync nounwind memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@indirect_rec2
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; ATTRIBUTOR-SAME: () #[[ATTR1]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @indirect_rec() #[[ATTR1]]
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; ATTRIBUTOR-NEXT: ret i32 [[A]]
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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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; FNATTRS: Function Attrs: nofree nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@extern
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; FNATTRS-SAME: () #[[ATTR2:[0-9]+]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @k()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@extern
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; ATTRIBUTOR-SAME: () #[[ATTR2:[0-9]+]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @k() #[[ATTR7:[0-9]+]]
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; ATTRIBUTOR-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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declare i32 @k() readnone
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define void @intrinsic(ptr %dest, ptr %src, i32 %len) {
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; FNATTRS: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
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; FNATTRS-LABEL: define {{[^@]+}}@intrinsic
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; FNATTRS-SAME: (ptr nocapture writeonly [[DEST:%.*]], ptr nocapture readonly [[SRC:%.*]], i32 [[LEN:%.*]]) #[[ATTR4:[0-9]+]] {
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; FNATTRS-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr [[DEST]], ptr [[SRC]], i32 [[LEN]], i1 false)
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@intrinsic
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; ATTRIBUTOR-SAME: (ptr nocapture nofree writeonly [[DEST:%.*]], ptr nocapture nofree readonly [[SRC:%.*]], i32 [[LEN:%.*]]) #[[ATTR4:[0-9]+]] {
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; ATTRIBUTOR-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly [[DEST]], ptr nocapture readonly [[SRC]], i32 [[LEN]], i1 false) #[[ATTR8:[0-9]+]]
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; ATTRIBUTOR-NEXT: ret void
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;
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call void @llvm.memcpy.p0.p0.i32(ptr %dest, ptr %src, i32 %len, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i32(ptr, ptr, i32, i1)
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define internal i32 @called_by_norecurse() {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@called_by_norecurse
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; FNATTRS-SAME: () #[[ATTR6:[0-9]+]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @k()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@called_by_norecurse
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; ATTRIBUTOR-SAME: () #[[ATTR2]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @k() #[[ATTR7]]
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; ATTRIBUTOR-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 void @m() norecurse {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@m
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @called_by_norecurse()
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: norecurse nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@m
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; ATTRIBUTOR-SAME: () #[[ATTR6:[0-9]+]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @called_by_norecurse() #[[ATTR2]]
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; ATTRIBUTOR-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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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@called_by_norecurse_indirectly
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @k()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@called_by_norecurse_indirectly
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; ATTRIBUTOR-SAME: () #[[ATTR2]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @k() #[[ATTR7]]
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; ATTRIBUTOR-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 void @o() {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@o
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @called_by_norecurse_indirectly()
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@o
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; ATTRIBUTOR-SAME: () #[[ATTR2]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @called_by_norecurse_indirectly() #[[ATTR2]]
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; ATTRIBUTOR-NEXT: ret void
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;
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%a = call i32 @called_by_norecurse_indirectly()
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ret void
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}
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define void @p() norecurse {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@p
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: call void @o()
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: norecurse nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@p
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; ATTRIBUTOR-SAME: () #[[ATTR6]] {
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; ATTRIBUTOR-NEXT: call void @o() #[[ATTR2]]
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; ATTRIBUTOR-NEXT: ret void
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;
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call void @o()
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ret void
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}
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define internal i32 @escapes_as_parameter(ptr %p) {
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; FNATTRS: Function Attrs: nofree nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@escapes_as_parameter
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; FNATTRS-SAME: (ptr nocapture readnone [[P:%.*]]) #[[ATTR2]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @k()
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; FNATTRS-NEXT: ret i32 [[A]]
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;
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; ATTRIBUTOR: Function Attrs: nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@escapes_as_parameter
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; ATTRIBUTOR-SAME: (ptr nocapture nofree readnone [[P:%.*]]) #[[ATTR2]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @k() #[[ATTR7]]
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; ATTRIBUTOR-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 void @q() {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@q
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: [[A:%.*]] = call i32 @escapes_as_parameter(ptr @escapes_as_parameter)
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: norecurse nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@q
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; ATTRIBUTOR-SAME: () #[[ATTR6]] {
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; ATTRIBUTOR-NEXT: [[A:%.*]] = call i32 @escapes_as_parameter(ptr nonnull @escapes_as_parameter) #[[ATTR2]]
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; ATTRIBUTOR-NEXT: ret void
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;
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%a = call i32 @escapes_as_parameter(ptr @escapes_as_parameter)
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ret void
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}
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define void @r() norecurse {
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; FNATTRS: Function Attrs: nofree norecurse nosync memory(none)
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; FNATTRS-LABEL: define {{[^@]+}}@r
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; FNATTRS-SAME: () #[[ATTR6]] {
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; FNATTRS-NEXT: call void @q()
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; FNATTRS-NEXT: ret void
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;
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; ATTRIBUTOR: Function Attrs: norecurse nosync memory(none)
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; ATTRIBUTOR-LABEL: define {{[^@]+}}@r
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; ATTRIBUTOR-SAME: () #[[ATTR6]] {
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; ATTRIBUTOR-NEXT: call void @q() #[[ATTR2]]
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; ATTRIBUTOR-NEXT: ret void
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;
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call void @q()
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ret void
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}
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;.
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; FNATTRS: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; FNATTRS: attributes #[[ATTR1]] = { nofree nosync nounwind memory(none) }
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; FNATTRS: attributes #[[ATTR2]] = { nofree nosync memory(none) }
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; FNATTRS: attributes #[[ATTR3:[0-9]+]] = { memory(none) }
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; FNATTRS: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) }
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; FNATTRS: attributes #[[ATTR5:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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; FNATTRS: attributes #[[ATTR6]] = { nofree norecurse nosync memory(none) }
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;.
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; ATTRIBUTOR: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
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; ATTRIBUTOR: attributes #[[ATTR1]] = { nofree nosync nounwind memory(none) }
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; ATTRIBUTOR: attributes #[[ATTR2]] = { nosync memory(none) }
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; ATTRIBUTOR: attributes #[[ATTR3:[0-9]+]] = { memory(none) }
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; ATTRIBUTOR: attributes #[[ATTR4]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) }
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; ATTRIBUTOR: attributes #[[ATTR5:[0-9]+]] = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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; ATTRIBUTOR: attributes #[[ATTR6]] = { norecurse nosync memory(none) }
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; ATTRIBUTOR: attributes #[[ATTR7]] = { nosync }
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; ATTRIBUTOR: attributes #[[ATTR8]] = { nofree willreturn }
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;.
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