add a method to remove a line # record.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineDebugInfo.h b/include/llvm/CodeGen/MachineDebugInfo.h
index a031ad0..c1134d0 100644
--- a/include/llvm/CodeGen/MachineDebugInfo.h
+++ b/include/llvm/CodeGen/MachineDebugInfo.h
@@ -1029,6 +1029,11 @@
/// provide correspondence to the source line list.
unsigned RecordLabel(unsigned Line, unsigned Column, unsigned Source);
+ /// RemoveLabelInfo - Remove the specified label # from MachineDebugInfo, for
+ /// example because the code was deleted.
+ void RemoveLabelInfo(unsigned LabelUID);
+
+
/// RecordSource - Register a source file with debug info. Returns an source
/// ID.
unsigned RecordSource(const std::string &Directory,
diff --git a/lib/CodeGen/MachineDebugInfo.cpp b/lib/CodeGen/MachineDebugInfo.cpp
index a227589..7ca63b0 100644
--- a/lib/CodeGen/MachineDebugInfo.cpp
+++ b/lib/CodeGen/MachineDebugInfo.cpp
@@ -1542,6 +1542,20 @@
return ID;
}
+static bool LabelUIDComparison(const SourceLineInfo &LI, unsigned UID) {
+ return LI.getLabelID() < UID;
+}
+
+/// RemoveLabelInfo - Remove the specified label # from MachineDebugInfo, for
+/// example because the code was deleted.
+void MachineDebugInfo::RemoveLabelInfo(unsigned LabelUID) {
+ std::vector<SourceLineInfo>::iterator I =
+ std::lower_bound(Lines.begin(), Lines.end(), LabelUID, LabelUIDComparison);
+ assert(I != Lines.end() && "Didn't find label UID in MachineDebugInfo!");
+ Lines.erase(I);
+}
+
+
/// RecordSource - Register a source file with debug info. Returns an source
/// ID.
unsigned MachineDebugInfo::RecordSource(const std::string &Directory,