| ; 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 | |
| } | |
| 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 | |
| } | |