Make sure we emit a relocation to the debug_ranges section in the
presence of CU ranges.
llvm-svn: 199276
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index c895f17..f76e898 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -209,6 +209,10 @@
else
HasDwarfPubSections = DwarfPubSections == Enable;
+ // For now only turn on CU ranges if we've explicitly asked for it
+ // or we have -ffunction-sections enabled.
+ HasCURanges = DwarfCURanges || TargetMachine::getFunctionSections();
+
DwarfVersion = DwarfVersionNumber
? DwarfVersionNumber
: getDwarfVersionFromModule(MMI->getModule());
@@ -1057,8 +1061,7 @@
// FIXME: We should use ranges if we have multiple compile units or
// allow reordering of code ala .subsections_via_symbols in mach-o.
DwarfCompileUnit *U = SkCU ? SkCU : static_cast<DwarfCompileUnit *>(TheU);
- if ((DwarfCURanges || TargetMachine::getFunctionSections()) &&
- TheU->getRanges().size())
+ if (useCURanges() && TheU->getRanges().size())
addSectionLabel(Asm, U, U->getUnitDie(), dwarf::DW_AT_ranges,
Asm->GetTempSymbol("cu_ranges", U->getUniqueID()),
DwarfDebugRangeSectionSym);
@@ -2910,7 +2913,7 @@
}
// Now emit a range for the CU itself.
- if (DwarfCURanges) {
+ if (useCURanges()) {
Asm->OutStreamer.EmitLabel(
Asm->GetTempSymbol("cu_ranges", TheCU->getUniqueID()));
const SmallVectorImpl<RangeSpan> &Ranges = TheCU->getRanges();