teak-llvm/llvm/test/Transforms/FunctionAttrs/int_sideeffect.ll
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

30 lines
662 B
LLVM

; RUN: opt -S < %s -functionattrs | FileCheck %s
; RUN: opt -S < %s -passes=function-attrs | FileCheck %s
; CHECK: Function Attrs
; CHECK-SAME: inaccessiblememonly
; CHECK-NEXT: declare void @llvm.sideeffect()
declare void @llvm.sideeffect()
; Don't add readnone or similar attributes when an @llvm.sideeffect() intrinsic
; is present.
; CHECK: Function Attrs
; CHECK-NOT: readnone
; CHECK: define void @test()
define void @test() {
call void @llvm.sideeffect()
ret void
}
; CHECK: Function Attrs
; CHECK-NOT: readnone
; CHECK: define void @loop()
define void @loop() {
br label %loop
loop:
call void @llvm.sideeffect()
br label %loop
}