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; 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 }