| ; RUN: opt < %s -aa-pipeline=basic-aa -passes='cgscc(function-attrs),rpo-function-attrs' -S | FileCheck %s |
| |
| ; CHECK: Function Attrs |
| ; CHECK-SAME: norecurse nosync nounwind readnone |
| ; CHECK-NEXT: define i32 @leaf() |
| define i32 @leaf() { |
| ret i32 1 |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: readnone |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define i32 @self_rec() |
| define i32 @self_rec() { |
| %a = call i32 @self_rec() |
| ret i32 4 |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: readnone |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define i32 @indirect_rec() |
| define i32 @indirect_rec() { |
| %a = call i32 @indirect_rec2() |
| ret i32 %a |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: readnone |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define i32 @indirect_rec2() |
| define i32 @indirect_rec2() { |
| %a = call i32 @indirect_rec() |
| ret i32 %a |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: readnone |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define i32 @extern() |
| define i32 @extern() { |
| %a = call i32 @k() |
| ret i32 %a |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: declare i32 @k() |
| declare i32 @k() readnone |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: nounwind |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define void @intrinsic(ptr nocapture writeonly %dest, ptr nocapture readonly %src, i32 %len) |
| define void @intrinsic(ptr %dest, ptr %src, i32 %len) { |
| call void @llvm.memcpy.p0.p0.i32(ptr %dest, ptr %src, i32 %len, i1 false) |
| ret void |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: declare void @llvm.memcpy.p0.p0.i32 |
| declare void @llvm.memcpy.p0.p0.i32(ptr, ptr, i32, i1) |
| |
| ; CHECK: Function Attrs |
| ; CHECK-SAME: norecurse nosync readnone |
| ; CHECK-NEXT: define internal i32 @called_by_norecurse() |
| define internal i32 @called_by_norecurse() { |
| %a = call i32 @k() |
| ret i32 %a |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: define void @m() |
| define void @m() norecurse { |
| %a = call i32 @called_by_norecurse() |
| ret void |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-SAME: norecurse nosync readnone |
| ; CHECK-NEXT: define internal i32 @called_by_norecurse_indirectly() |
| define internal i32 @called_by_norecurse_indirectly() { |
| %a = call i32 @k() |
| ret i32 %a |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: define internal void @o |
| define internal void @o() { |
| %a = call i32 @called_by_norecurse_indirectly() |
| ret void |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: define void @p |
| define void @p() norecurse { |
| call void @o() |
| ret void |
| } |
| |
| ; CHECK: Function Attrs |
| ; CHECK-NOT: norecurse |
| ; CHECK-SAME: nosync readnone |
| ; CHECK-NOT: norecurse |
| ; CHECK-NEXT: define internal i32 @escapes_as_parameter |
| define internal i32 @escapes_as_parameter(ptr %p) { |
| %a = call i32 @k() |
| ret i32 %a |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: define internal void @q |
| define internal void @q() { |
| %a = call i32 @escapes_as_parameter(ptr @escapes_as_parameter) |
| ret void |
| } |
| ; CHECK: Function Attrs |
| ; CHECK-NEXT: define void @r |
| define void @r() norecurse { |
| call void @q() |
| ret void |
| } |