1 ; With sub reassociation, constant folding can eliminate the 12 and -12 constants.
3 ; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | not grep 12
5 define i32 @test(i32 %A, i32 %B) {
6 %X = add i32 -12, %A ; <i32> [#uses=1]
7 %Y = sub i32 %X, %B ; <i32> [#uses=1]
8 %Z = add i32 %Y, 12 ; <i32> [#uses=1]