From b8244e4f6be4dd49817c95a433a5188a5e5c7fd9 Mon Sep 17 00:00:00 2001 From: Jim Laskey Date: Wed, 8 Nov 2006 14:16:39 +0000 Subject: [PATCH] Wasn't handling case of when machine move labels were undefined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31548 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/MachineDebugInfo.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/llvm/CodeGen/MachineDebugInfo.h b/include/llvm/CodeGen/MachineDebugInfo.h index 7b6386730b7..46078d25efa 100644 --- a/include/llvm/CodeGen/MachineDebugInfo.h +++ b/include/llvm/CodeGen/MachineDebugInfo.h @@ -1046,13 +1046,18 @@ public: /// RemapLabel - Indicate that a label has been merged into another. /// void RemapLabel(unsigned OldLabelID, unsigned NewLabelID) { + assert(0 < OldLabelID && OldLabelID <= LabelIDList.size() && + "Old debug label ID out of range."); + assert(NewLabelID <= LabelIDList.size() && + "New debug label ID out of range."); LabelIDList[OldLabelID - 1] = NewLabelID; } /// MappedLabel - Find out the label's final ID. Zero indicates deletion. /// ID != Mapped ID indicates that the label was folded into another label. unsigned MappedLabel(unsigned LabelID) const { - return LabelIDList[LabelID - 1]; + assert(LabelID <= LabelIDList.size() && "Debug label ID out of range."); + return LabelID ? LabelIDList[LabelID - 1] : 0; } /// RecordSource - Register a source file with debug info. Returns an source