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https://github.com/c64scene-ar/llvm-6502.git
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emit global constants
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29344 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -23,6 +23,7 @@
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#include "llvm/CodeGen/MachineFunctionPass.h"
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/CodeGen/MachineInstr.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Support/Mangler.h"
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#include "llvm/ADT/Statistic.h"
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@ -190,6 +191,34 @@ bool ARMAsmPrinter::doInitialization(Module &M) {
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}
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bool ARMAsmPrinter::doFinalization(Module &M) {
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const TargetData *TD = TM.getTargetData();
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for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
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I != E; ++I) {
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if (!I->hasInitializer()) // External global require no code
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continue;
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if (EmitSpecialLLVMGlobal(I))
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continue;
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O << "\n\n";
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std::string name = Mang->getValueName(I);
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Constant *C = I->getInitializer();
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unsigned Size = TD->getTypeSize(C->getType());
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unsigned Align = TD->getTypeAlignment(C->getType());
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assert (I->getLinkage() == GlobalValue::ExternalLinkage);
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O << "\t.globl " << name << "\n";
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assert (!C->isNullValue());
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SwitchToDataSection(".data", I);
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EmitAlignment(Align, I);
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O << "\t.type " << name << ", %object\n";
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O << "\t.size " << name << ", " << Size << "\n";
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O << name << ":\n";
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EmitGlobalConstant(C);
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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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