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-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp7
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp10
2 files changed, 9 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 98e60a7616c..4b71cfe0036 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2615,7 +2615,8 @@ void DwarfDebug::emitDebugLines() {
for (unsigned i = 0, N = LineInfos.size(); i < N; ++i) {
const SrcLineInfo &LineInfo = LineInfos[i];
unsigned LabelID = LineInfo.getLabelID();
- if (MMI->isLabelDeleted(LabelID)) continue;
+ MCSymbol *Label = getDWLabel("label", LabelID);
+ if (!Label->isDefined()) continue; // Not emitted, in dead code.
if (LineInfo.getLine() == 0) continue;
@@ -2638,8 +2639,8 @@ void DwarfDebug::emitDebugLines() {
Asm->EmitInt8(dwarf::DW_LNE_set_address);
Asm->OutStreamer.AddComment("Location label");
- Asm->OutStreamer.EmitSymbolValue(getDWLabel("label", LabelID),
- TD->getPointerSize(), 0/*AddrSpace*/);
+ Asm->OutStreamer.EmitSymbolValue(Label, TD->getPointerSize(),
+ 0/*AddrSpace*/);
// If change of source, then switch to the new source.
if (Source != LineInfo.getSourceID()) {
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
index 8d633f3dd6a..000d93ff1b0 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp
@@ -248,17 +248,17 @@ void DwarfPrinter::EmitFrameMoves(MCSymbol *BaseLabel,
for (unsigned i = 0, N = Moves.size(); i < N; ++i) {
const MachineMove &Move = Moves[i];
unsigned LabelID = Move.getLabelID();
-
// Throw out move if the label is invalid.
- if (LabelID && MMI->isLabelDeleted(LabelID))
- continue;
+ if (LabelID == 0) continue;
+ MCSymbol *Label = getDWLabel("label", LabelID);
+ if (!Label->isDefined()) continue; // Not emitted, in dead code.
const MachineLocation &Dst = Move.getDestination();
const MachineLocation &Src = Move.getSource();
// Advance row if new location.
- if (BaseLabel && LabelID) {
- MCSymbol *ThisSym = getDWLabel("label", LabelID);
+ if (BaseLabel) {
+ MCSymbol *ThisSym = Label;
if (ThisSym != BaseLabel) {
EmitCFAByte(dwarf::DW_CFA_advance_loc4);
EmitDifference(ThisSym, BaseLabel, true);
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