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14bbbf3168
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86714 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
780 B
LLVM
31 lines
780 B
LLVM
; RUN: opt < %s -simplifycfg -disable-output
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; PR3016
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; Dead use caused invariant violation.
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define i32 @func_105(i1 %tmp5, i1 %tmp7) nounwind {
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BB:
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br i1 true, label %BB2, label %BB1
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BB1: ; preds = %BB
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br label %BB2
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BB2: ; preds = %BB1, %BB
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%tmp3 = phi i1 [ true, %BB ], [ false, %BB1 ] ; <i1> [#uses=1]
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br label %BB9
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BB9: ; preds = %BB11, %BB2
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%tmp10 = phi i32 [ 0, %BB2 ], [ %tmp12, %BB11 ] ; <i32> [#uses=1]
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br i1 %tmp5, label %BB11, label %BB13
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BB11: ; preds = %BB13, %BB9
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%tmp12 = phi i32 [ 0, %BB13 ], [ %tmp10, %BB9 ] ; <i32> [#uses=2]
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br i1 %tmp3, label %BB9, label %BB20
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BB13: ; preds = %BB13, %BB9
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%tmp14 = phi i32 [ 0, %BB9 ], [ %tmp14, %BB13 ] ; <i32> [#uses=1]
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br i1 %tmp7, label %BB13, label %BB11
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BB20: ; preds = %BB11
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ret i32 %tmp12
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}
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