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move ExtWeakSymbols to AsmPrinter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32648 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -18,6 +18,7 @@
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/Support/DataTypes.h"
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#include <set>
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namespace llvm {
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class Constant;
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@ -39,6 +40,10 @@ namespace llvm {
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///
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unsigned FunctionNumber;
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protected:
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// Necessary for external weak linkage support
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std::set<const GlobalValue*> ExtWeakSymbols;
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public:
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/// Output stream on which we're printing assembly code.
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///
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@ -106,6 +106,18 @@ bool AsmPrinter::doInitialization(Module &M) {
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}
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bool AsmPrinter::doFinalization(Module &M) {
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if (TAI->getWeakRefDirective()) {
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if (ExtWeakSymbols.begin() != ExtWeakSymbols.end())
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SwitchToDataSection("");
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for (std::set<const GlobalValue*>::iterator i = ExtWeakSymbols.begin(),
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e = ExtWeakSymbols.end(); i != e; ++i) {
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const GlobalValue *GV = *i;
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std::string Name = Mang->getValueName(GV);
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O << TAI->getWeakRefDirective() << Name << "\n";
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}
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}
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delete Mang; Mang = 0;
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return false;
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}
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@ -62,8 +62,6 @@ namespace {
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: AsmPrinter(O, TM, T) {
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}
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std::set<std::string> ExtWeakSymbols;
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/// We name each basic block in a Function with a unique number, so
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/// that we can consistently refer to them later. This is cleared
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/// at the beginning of each call to runOnMachineFunction().
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@ -246,7 +244,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
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std::string Name = Mang->getValueName(GV);
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O << Name;
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if (GV->hasExternalWeakLinkage()) {
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ExtWeakSymbols.insert(Name);
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ExtWeakSymbols.insert(GV);
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}
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}
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break;
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@ -337,13 +335,6 @@ bool ARMAsmPrinter::doFinalization(Module &M) {
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}
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}
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if (ExtWeakSymbols.begin() != ExtWeakSymbols.end())
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SwitchToDataSection("");
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for (std::set<std::string>::iterator i = ExtWeakSymbols.begin(),
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e = ExtWeakSymbols.end(); i != e; ++i) {
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O << TAI->getWeakRefDirective() << *i << "\n";
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}
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AsmPrinter::doFinalization(M);
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return false; // success
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}
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@ -51,9 +51,6 @@ namespace {
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std::set<std::string> FnStubs, GVStubs;
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const PPCSubtarget &Subtarget;
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// Necessary for external weak linkage support
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std::set<std::string> ExtWeakSymbols;
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PPCAsmPrinter(std::ostream &O, TargetMachine &TM, const TargetAsmInfo *T)
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: AsmPrinter(O, TM, T), Subtarget(TM.getSubtarget<PPCSubtarget>()) {
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}
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@ -162,7 +159,7 @@ namespace {
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FnStubs.insert(Name);
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O << "L" << Name << "$stub";
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(Name);
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ExtWeakSymbols.insert(GV);
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return;
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}
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}
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@ -337,7 +334,7 @@ void PPCAsmPrinter::printOp(const MachineOperand &MO) {
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O << Name;
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(Name);
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ExtWeakSymbols.insert(GV);
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return;
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}
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@ -658,22 +655,13 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
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// reference!
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if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(Mang->getValueName(GV));
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ExtWeakSymbols.insert(GV);
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EmitGlobalConstant(C);
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O << '\n';
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}
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}
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if (TAI->getWeakRefDirective()) {
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if (ExtWeakSymbols.begin() != ExtWeakSymbols.end())
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SwitchToDataSection("");
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for (std::set<std::string>::iterator i = ExtWeakSymbols.begin(),
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e = ExtWeakSymbols.end(); i != e; ++i) {
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O << TAI->getWeakRefDirective() << *i << "\n";
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}
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}
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bool isPPC64 = TD->getPointerSizeInBits() == 64;
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// Output stubs for dynamically-linked functions
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@ -257,7 +257,7 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
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}
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(Name);
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ExtWeakSymbols.insert(GV);
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int Offset = MO.getOffset();
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if (Offset > 0)
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@ -250,7 +250,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
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// reference!
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if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
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if (GV->hasExternalWeakLinkage())
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ExtWeakSymbols.insert(Mang->getValueName(GV));
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ExtWeakSymbols.insert(GV);
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EmitGlobalConstant(C);
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O << '\n';
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@ -278,15 +278,6 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
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O << "\t.ascii \" -export:" << *i << "\"\n";
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}
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if (TAI->getWeakRefDirective()) {
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if (ExtWeakSymbols.begin() != ExtWeakSymbols.end())
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SwitchToDataSection("");
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for (std::set<std::string>::iterator i = ExtWeakSymbols.begin(),
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e = ExtWeakSymbols.end(); i != e; ++i) {
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O << TAI->getWeakRefDirective() << *i << "\n";
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}
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}
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if (Subtarget->isTargetDarwin()) {
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SwitchToDataSection("");
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@ -86,9 +86,6 @@ struct VISIBILITY_HIDDEN X86SharedAsmPrinter : public AsmPrinter {
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// Necessary for dllexport support
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std::set<std::string> DLLExportedFns, DLLExportedGVs;
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// Necessary for external weak linkage support
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std::set<std::string> ExtWeakSymbols;
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inline static bool isScale(const MachineOperand &MO) {
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return MO.isImmediate() &&
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(MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
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