| ; With reassociation, constant folding can eliminate the 12 and -12 constants. | |
| ; | |
| ; RUN: llvm-as < %s | opt -reassociate -constprop -instcombine -die | llvm-dis | not grep add | |
| define i32 @test(i32 %arg) { | |
| %tmp1 = sub i32 -12, %arg ; <i32> [#uses=1] | |
| %tmp2 = add i32 %tmp1, 12 ; <i32> [#uses=1] | |
| ret i32 %tmp2 | |
| } | |