llvm-project/llvm/test/Transforms/EarlyCSE/writeonly.ll

18 lines
460 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -early-cse -earlycse-debug-hash < %s | FileCheck %s
@var = global i32 undef
declare void @foo() nounwind
define void @test() {
; CHECK-LABEL: @test(
; CHECK-NEXT: call void @foo() #[[ATTR1:[0-9]+]]
; CHECK-NEXT: store i32 2, i32* @var, align 4
; CHECK-NEXT: ret void
;
store i32 1, i32* @var
call void @foo() writeonly
store i32 2, i32* @var
ret void
}