Use proper section suffix for COFF weak symbols
32-bit symbols have "_" as global prefix, but when forming the name of
COMDAT sections this prefix is ignored. The current behavior assumes that
this prefix is always present which is not the case for 64-bit and names
are truncated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187356 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 3e1afc0..07cf871 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -726,9 +726,8 @@
if (GV->isWeakForLinker()) {
Selection = COFF::IMAGE_COMDAT_SELECT_ANY;
Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
- MCSymbol *Sym = Mang->getSymbol(GV);
Name.append("$");
- Name.append(Sym->getName().begin() + 1, Sym->getName().end());
+ Mang->getNameWithPrefix(Name, GV, false, false);
}
return getContext().getCOFFSection(Name,
Characteristics,
@@ -761,8 +760,7 @@
if (GV->isWeakForLinker()) {
const char *Prefix = getCOFFSectionPrefixForUniqueGlobal(Kind);
SmallString<128> Name(Prefix, Prefix+strlen(Prefix));
- MCSymbol *Sym = Mang->getSymbol(GV);
- Name.append(Sym->getName().begin() + 1, Sym->getName().end());
+ Mang->getNameWithPrefix(Name, GV, false, false);
unsigned Characteristics = getCOFFSectionFlags(Kind);