33 lines
932 B
LLVM
33 lines
932 B
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes
|
||
|
|
; RUN: opt -S < %s -passes=function-attrs | FileCheck %s
|
||
|
|
|
||
|
|
declare void @llvm.sideeffect()
|
||
|
|
|
||
|
|
; Don't add readnone or similar attributes when an @llvm.sideeffect() intrinsic
|
||
|
|
; is present.
|
||
|
|
|
||
|
|
define void @test() {
|
||
|
|
; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(inaccessiblemem: readwrite)
|
||
|
|
; CHECK-LABEL: @test(
|
||
|
|
; CHECK-NEXT: call void @llvm.sideeffect()
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
call void @llvm.sideeffect()
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @loop() {
|
||
|
|
; CHECK: Function Attrs: nofree norecurse noreturn nosync nounwind memory(inaccessiblemem: readwrite)
|
||
|
|
; CHECK-LABEL: @loop(
|
||
|
|
; CHECK-NEXT: br label [[LOOP:%.*]]
|
||
|
|
; CHECK: loop:
|
||
|
|
; CHECK-NEXT: call void @llvm.sideeffect()
|
||
|
|
; CHECK-NEXT: br label [[LOOP]]
|
||
|
|
;
|
||
|
|
br label %loop
|
||
|
|
|
||
|
|
loop:
|
||
|
|
call void @llvm.sideeffect()
|
||
|
|
br label %loop
|
||
|
|
}
|