diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/AsmPrinter.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp index 9387847..fa6f569 100644 --- a/lib/CodeGen/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter.cpp @@ -132,13 +132,11 @@ bool AsmPrinter::doFinalization(Module &M) { I!=E; ++I) { std::string Name = Mang->getValueName(I); std::string Target; + + const GlobalValue *GV = cast<GlobalValue>(I->getAliasedGlobal()); + Target = Mang->getValueName(GV); - if (const GlobalValue *GV = I->getAliasedGlobal()) - Target = Mang->getValueName(GV); - else - assert(0 && "Unsupported aliasee"); - - if (I->hasExternalLinkage()) + if (I->hasExternalLinkage() || !TAI->getWeakRefDirective()) O << "\t.globl\t" << Name << "\n"; else if (I->hasWeakLinkage()) O << TAI->getWeakRefDirective() << Name << "\n"; @@ -146,6 +144,15 @@ bool AsmPrinter::doFinalization(Module &M) { assert(0 && "Invalid alias linkage"); O << TAI->getSetDirective() << Name << ", " << Target << "\n"; + + // If the aliasee has external weak linkage it can be referenced only by + // alias itself. In this case it can be not in ExtWeakSymbols list. Emit + // weak reference in such case. + if (GV->hasExternalWeakLinkage()) + if (TAI->getWeakRefDirective()) + O << TAI->getWeakRefDirective() << Target << "\n"; + else + O << "\t.globl\t" << Target << "\n"; } } |