| ; RUN: opt -S -reassociate < %s | FileCheck %s | |
| ; Check that if constants combine to an absorbing value then the expression is | |
| ; evaluated as the absorbing value. | |
| define i8 @foo(i8 %x) { | |
| %tmp1 = or i8 %x, 127 | |
| %tmp2 = or i8 %tmp1, 128 | |
| ret i8 %tmp2 | |
| ; CHECK-LABEL: @foo( | |
| ; CHECK: ret i8 -1 | |
| } |