print weak references
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32276 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 093dd6d..5eadee2 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -63,6 +63,8 @@
: AsmPrinter(O, TM, T) {
}
+ std::set<std::string> ExtWeakSymbols;
+
/// We name each basic block in a Function with a unique number, so
/// that we can consistently refer to them later. This is cleared
/// at the beginning of each call to runOnMachineFunction().
@@ -127,7 +129,7 @@
break;
case Function::WeakLinkage:
case Function::LinkOnceLinkage:
- O << "\t.weak\t" << CurrentFnName << "\n";
+ O << TAI->getWeakRefDirective() << CurrentFnName << "\n";
break;
}
EmitAlignment(2, F);
@@ -244,6 +246,9 @@
GlobalValue *GV = MO.getGlobal();
std::string Name = Mang->getValueName(GV);
O << Name;
+ if (GV->hasExternalWeakLinkage()) {
+ ExtWeakSymbols.insert(Name);
+ }
}
break;
case MachineOperand::MO_ExternalSymbol:
@@ -325,6 +330,13 @@
}
}
+ if (ExtWeakSymbols.begin() != ExtWeakSymbols.end())
+ SwitchToDataSection("");
+ for (std::set<std::string>::iterator i = ExtWeakSymbols.begin(),
+ e = ExtWeakSymbols.end(); i != e; ++i) {
+ O << TAI->getWeakRefDirective() << *i << "\n";
+ }
+
AsmPrinter::doFinalization(M);
return false; // success
}