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76806b6a43
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48103 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.2 KiB
LLVM
31 lines
1.2 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine -simplifycfg | llvm-dis |\
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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* @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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