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view test/CodeGen/X86/neg_cmp.ll @ 100:7d135dc70f03 LLVM 3.9

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LLVM 3.9
author Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp>
date Tue, 26 Jan 2016 22:53:40 +0900
parents 95c75e76d11b
children 803732b1fca8
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line source

; RUN: llc < %s -march=x86-64 | FileCheck %s

; rdar://11245199
; PR12545
define void @f(i32 %x, i32 %y) nounwind uwtable ssp {
entry:
; CHECK-LABEL: f:
; CHECK-NOT: neg
; CHECK: add
  %sub = sub i32 0, %y
  %cmp = icmp eq i32 %x, %sub
  br i1 %cmp, label %if.then, label %if.end

if.then:                                          ; preds = %entry
  tail call void @g() nounwind
  br label %if.end

if.end:                                           ; preds = %if.then, %entry
  ret void
}

declare void @g()