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Viewing changes to test/CodeGen/X86/test-shrink-bug.ll

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-03-29 19:09:51 UTC
  • Revision ID: package-import@ubuntu.com-20120329190951-aq83ivog4cg8bxun
Tags: upstream-3.1~svn153643
Import upstream version 3.1~svn153643

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test/CodeGen/X86/test-shrink-bug.ll
 
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; RUN: llc < %s | FileCheck %s
 
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; Codegen shouldn't reduce the comparison down to testb $-1, %al
 
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; because that changes the result of the signed test.
 
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; PR5132
 
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; CHECK: testw  $255, %ax
 
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 
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target triple = "i386-apple-darwin10.0"
 
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@g_14 = global i8 -6, align 1                     ; <i8*> [#uses=1]
 
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declare i32 @func_16(i8 signext %p_19, i32 %p_20) nounwind
 
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define i32 @func_35(i64 %p_38) nounwind ssp {
 
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entry:
 
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  %tmp = load i8* @g_14                           ; <i8> [#uses=2]
 
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  %conv = zext i8 %tmp to i32                     ; <i32> [#uses=1]
 
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  %cmp = icmp sle i32 1, %conv                    ; <i1> [#uses=1]
 
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  %conv2 = zext i1 %cmp to i32                    ; <i32> [#uses=1]
 
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  %call = call i32 @func_16(i8 signext %tmp, i32 %conv2) ssp ; <i32> [#uses=1]
 
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  ret i32 1
 
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}