| ; RUN: opt < %s -passes=gvn -S | FileCheck %s | |
| declare i32 @foo(i32) readnone | |
| define i1 @bar() { | |
| ; CHECK-LABEL: @bar( | |
| %a = call i32 @foo (i32 0) readnone | |
| %b = call i32 @foo (i32 0) readnone | |
| %c = and i32 %a, %b | |
| %x = call i32 @foo (i32 %a) readnone | |
| %y = call i32 @foo (i32 %c) readnone | |
| %z = icmp eq i32 %x, %y | |
| ret i1 %z | |
| ; CHECK: ret i1 true | |
| } |