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Viewing changes to test/Transforms/InstCombine/bittest.ll

  • 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
Import upstream version 3.7~+rc2

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test/Transforms/InstCombine/bittest.ll
 
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; RUN: opt < %s -instcombine -simplifycfg -S |\
 
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; RUN:    not grep "call void @abort"
 
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@b_rec.0 = external global i32          ; <i32*> [#uses=2]
 
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define void @_Z12h000007_testv(i32* %P) {
 
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entry:
 
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        %tmp.2 = load i32, i32* @b_rec.0             ; <i32> [#uses=1]
 
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        %tmp.9 = or i32 %tmp.2, -989855744              ; <i32> [#uses=2]
 
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        %tmp.16 = and i32 %tmp.9, -805306369            ; <i32> [#uses=2]
 
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        %tmp.17 = and i32 %tmp.9, -973078529            ; <i32> [#uses=1]
 
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        store i32 %tmp.17, i32* @b_rec.0
 
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        %tmp.17.shrunk = bitcast i32 %tmp.16 to i32             ; <i32> [#uses=1]
 
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        %tmp.22 = and i32 %tmp.17.shrunk, -1073741824           ; <i32> [#uses=1]
 
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        %tmp.23 = icmp eq i32 %tmp.22, -1073741824              ; <i1> [#uses=1]
 
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        br i1 %tmp.23, label %endif.0, label %then.0
 
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then.0:         ; preds = %entry
 
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        tail call void @abort( )
 
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        unreachable
 
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endif.0:                ; preds = %entry
 
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        %tmp.17.shrunk2 = bitcast i32 %tmp.16 to i32            ; <i32> [#uses=1]
 
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        %tmp.27.mask = and i32 %tmp.17.shrunk2, 100663295               ; <i32> [#uses=1]
 
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        store i32 %tmp.27.mask, i32* %P
 
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        ret void
 
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}
 
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declare void @abort()
 
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