1 ; With sub reassociation, constant folding can eliminate all of the constants.
3 ; RUN: opt %s -reassociate -constprop -instcombine -dce -S | not grep add
5 define i32 @test(i32 %A, i32 %B) {
6 %W = add i32 5, %B ; <i32> [#uses=1]
7 %X = add i32 -7, %A ; <i32> [#uses=1]
8 %Y = sub i32 %X, %W ; <i32> [#uses=1]
9 %Z = add i32 %Y, 12 ; <i32> [#uses=1]