acdc419c89
Another step moving away from the deprecated syntax of specifying pass pipeline in opt. Differential Revision: https://reviews.llvm.org/D119081
15 lines
325 B
LLVM
15 lines
325 B
LLVM
; RUN: opt -S < %s -passes=instcombine | FileCheck %s
|
|
|
|
declare void @llvm.sideeffect()
|
|
|
|
; Store-to-load forwarding across a @llvm.sideeffect.
|
|
|
|
; CHECK-LABEL: s2l
|
|
; CHECK-NOT: load
|
|
define float @s2l(float* %p) {
|
|
store float 0.0, float* %p
|
|
call void @llvm.sideeffect()
|
|
%t = load float, float* %p
|
|
ret float %t
|
|
}
|