llvm-project/llvm/test/Transforms/DeadStoreElimination/2008-07-28-load-store.ll

15 lines
511 B
LLVM

; RUN: llvm-as < %s | opt -dse | llvm-dis | not grep tmp5
; PR2599
define void @foo({ i32, i32 }* %x) nounwind {
entry:
%tmp4 = getelementptr { i32, i32 }* %x, i32 0, i32 0 ; <i32*> [#uses=2]
%tmp5 = load i32* %tmp4, align 4 ; <i32> [#uses=1]
%tmp7 = getelementptr { i32, i32 }* %x, i32 0, i32 1 ; <i32*> [#uses=2]
%tmp8 = load i32* %tmp7, align 4 ; <i32> [#uses=1]
%tmp17 = sub i32 0, %tmp8 ; <i32> [#uses=1]
store i32 %tmp5, i32* %tmp4, align 4
store i32 %tmp17, i32* %tmp7, align 4
ret void
}