File: testb-je-fusion.ll

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llvm-toolchain-3.9 1%3A3.9.1-8
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; RUN: llc < %s -march=x86-64 -mcpu=corei7-avx | FileCheck %s

; testb should be scheduled right before je to enable macro-fusion.

; CHECK: testb $2, %{{[abcd]}}h
; CHECK-NEXT: je

define i32 @check_flag(i32 %flags, ...) nounwind {
entry:
  %and = and i32 %flags, 512
  %tobool = icmp eq i32 %and, 0
  br i1 %tobool, label %if.end, label %if.then

if.then:
  br label %if.end

if.end:
  %hasflag = phi i32 [ 1, %if.then ], [ 0, %entry ]
  ret i32 %hasflag
}