-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep -v 'store.*,.*null' | not grep store
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
+; RUN: grep -v {store.*,.*null} | not grep store
+define void @test1(i32* %P) {
+ store i32 undef, i32* %P
+ store i32 123, i32* undef
+ store i32 124, i32* null
+ ret void
+}
-void %test1(int* %P) {
- store int undef, int* %P
- store int 123, int* undef
- store int 124, int* null
- ret void
+define void @test2(i32* %P) {
+ %X = load i32* %P ; <i32> [#uses=1]
+ %Y = add i32 %X, 0 ; <i32> [#uses=1]
+ store i32 %Y, i32* %P
+ ret void
}
+