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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
ImportĀ upstreamĀ versionĀ 3.7~+rc2

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; RUN: llc < %s -o - | FileCheck %s
 
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
 
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target triple = "x86_64-apple-darwin9"
 
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; The comparison happens before the relevant use, but it can still be rewritten
 
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; to compare with zero.
 
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; CHECK-LABEL: foo:
 
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; CHECK: align
 
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; CHECK: incl  %eax
 
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; CHECK-NEXT: decl  %ecx
 
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; CHECK-NEXT: jne
 
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define void @foo() nounwind {
 
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entry:
 
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        br label %loop
 
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loop:
 
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        %indvar = phi i32 [ 0, %entry ], [ %i.2.0.us1534, %loop ]               ; <i32> [#uses=1]
 
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        %i.2.0.us1534 = add i32 %indvar, 1              ; <i32> [#uses=3]
 
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        %tmp611.us1535 = icmp eq i32 %i.2.0.us1534, 4           ; <i1> [#uses=2]
 
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        %tmp623.us1538 = select i1 %tmp611.us1535, i32 6, i32 0         ; <i32> [#uses=0]
 
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        %tmp628.us1540 = shl i32 %i.2.0.us1534, 1               ; <i32> [#uses=1]
 
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        %tmp645646647.us1547 = sext i32 %tmp628.us1540 to i64           ; <i64> [#uses=0]
 
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        br i1 %tmp611.us1535, label %exit, label %loop
 
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exit:
 
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        ret void
 
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}