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view test/Other/cleanup-lcssa.ll @ 122:36195a0db682

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merging ( incomplete )
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 17 Nov 2017 20:32:31 +0900
parents 1172e4bd9c6f
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; RUN: opt -S -O3 < %s | FileCheck %s

define i64 @test() {
entry:
  br label %loop

loop:
  %i = phi i64 [ 0, %entry ], [ %inc, %loop ]
  %inc = add i64 %i, 1
  %cond = tail call i1 @check()
  br i1 %cond, label %loop, label %exit

exit:
  ; CHECK-NOT: lcssa
  ret i64 %i
}

declare i1 @check()