xref: /llvm-project/llvm/test/Transforms/GVN/2010-11-13-Simplify.ll (revision 0676acb6fd8d5e22fde16e6ec977ceac08427ab0) 
1; RUN: opt < %s -passes=gvn -S | FileCheck %s
2
3declare i32 @foo(i32) readnone
4
5define i1 @bar() {
6; CHECK-LABEL: @bar(
7  %a = call i32 @foo (i32 0) readnone
8  %b = call i32 @foo (i32 0) readnone
9  %c = and i32 %a, %b
10  %x = call i32 @foo (i32 %a) readnone
11  %y = call i32 @foo (i32 %c) readnone
12  %z = icmp eq i32 %x, %y
13  ret i1 %z
14; CHECK: ret i1 true
15}
16