xref: /llvm-project/llvm/test/Transforms/NewGVN/2010-11-13-Simplify.ll (revision 229640343e400394b315c6798c7c19e8a9bd188c)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt < %s -passes=newgvn -S | FileCheck %s
3
4declare i32 @foo(i32) readnone
5
6define i1 @bar() {
7; CHECK-LABEL: define i1 @bar() {
8; CHECK-NEXT:    [[A:%.*]] = call i32 @foo(i32 0) #[[ATTR0:[0-9]+]]
9; CHECK-NEXT:    [[X:%.*]] = call i32 @foo(i32 [[A]]) #[[ATTR0]]
10; CHECK-NEXT:    ret i1 true
11;
12  %a = call i32 @foo (i32 0) readnone
13  %b = call i32 @foo (i32 0) readnone
14  %c = and i32 %a, %b
15  %x = call i32 @foo (i32 %a) readnone
16  %y = call i32 @foo (i32 %c) readnone
17  %z = icmp eq i32 %x, %y
18  ret i1 %z
19}
20