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-rw-r--r--lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
index 68e80e3983..98a1bf2f1c 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -191,6 +191,13 @@ void AsmPrinter::EmitSectionOffset(const MCSymbol *Label,
assert((!Label->isInSection() || &Label->getSection() == &Section) &&
"Section offset using wrong section base for label");
+ // If the section in question will end up with an address of 0 anyway, we can
+ // just emit an absolute reference to save a relocation.
+ if (Section.isBaseAddressKnownZero()) {
+ OutStreamer.EmitSymbolValue(Label, 4, 0/*AddrSpace*/);
+ return;
+ }
+
// Otherwise, emit it as a label difference from the start of the section.
EmitLabelDifference(Label, SectionLabel, 4);
}