1 ; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis |\
2 ; RUN: not grep {sub i32 0}
4 define i32 @test(i32 %X, i32 %Y, i32 %Z) {
5 %A = sub i32 0, %X ; <i32> [#uses=1]
6 %B = mul i32 %A, %Y ; <i32> [#uses=1]
8 %C = add i32 %B, %Z ; <i32> [#uses=1]