llvm-project/llvm/test/Transforms/EarlyCSE/readnone-mayunwind.ll

16 lines
352 B
LLVM

; RUN: opt -S -early-cse < %s | FileCheck %s
declare void @readnone_may_unwind() readnone
define void @f(i32* %ptr) {
; CHECK-LABEL: @f(
; CHECK: store i32 100, i32* %ptr
; CHECK: call void @readnone_may_unwind()
; CHECK: store i32 200, i32* %ptr
store i32 100, i32* %ptr
call void @readnone_may_unwind()
store i32 200, i32* %ptr
ret void
}