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28ae151c48
exit edge to preserve LCSSA. Fix dominance frontier update during loop unswitch. This fixes PR 1589. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40695 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
931 B
LLVM
31 lines
931 B
LLVM
; RUN: llvm-as < %s | opt -licm -loop-unswitch -disable-output
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; PR 1589
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%struct.QBasicAtomic = type { i32 }
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define void @_ZNK5QDate9addMonthsEi(%struct.QBasicAtomic* sret %agg.result, %struct.QBasicAtomic* %this, i32 %nmonths) {
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entry:
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br label %cond_true90
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bb16: ; preds = %cond_true90
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br i1 false, label %bb93, label %cond_true90
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bb45: ; preds = %cond_true90
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br i1 false, label %bb53, label %bb58
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bb53: ; preds = %bb45
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br i1 false, label %bb93, label %cond_true90
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bb58: ; preds = %bb45
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store i32 0, i32* null, align 4
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br i1 false, label %cond_true90, label %bb93
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cond_true90: ; preds = %bb58, %bb53, %bb16, %entry
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%nmonths_addr.016.1 = phi i32 [ %nmonths, %entry ], [ 0, %bb16 ], [ 0, %bb53 ], [ %nmonths_addr.016.1, %bb58 ] ; <i32> [#uses=2]
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%tmp14 = icmp slt i32 %nmonths_addr.016.1, -11 ; <i1> [#uses=1]
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br i1 %tmp14, label %bb16, label %bb45
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bb93: ; preds = %bb58, %bb53, %bb16
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ret void
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}
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