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view llvm/test/Transforms/GVN/2010-11-13-Simplify.ll @ 201:a96fbbdf2d0f

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 04 Jun 2021 21:07:06 +0900
parents 1d019706d866
children 2e18cbf3894f
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line source

; RUN: opt < %s -basicaa -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
}