#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/SmallPtrSet.h"
#include <cerrno>
using namespace llvm;
char AsmPrinter::ID = 0;
AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm,
const TargetAsmInfo *T)
- : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), TM(tm), TAI(T),
+ : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o),
+ TM(tm), TAI(T), TRI(tm.getRegisterInfo()),
IsInTextSection(false)
{}
O << TAI->getWeakRefDirective() << Name << "\n";
else if (!I->hasInternalLinkage())
assert(0 && "Invalid alias linkage");
-
+
+ if (I->hasHiddenVisibility()) {
+ if (const char *Directive = TAI->getHiddenDirective())
+ O << Directive << Name << "\n";
+ } else if (I->hasProtectedVisibility()) {
+ if (const char *Directive = TAI->getProtectedDirective())
+ O << Directive << Name << "\n";
+ }
+
O << TAI->getSetDirective() << ' ' << Name << ", " << Target << "\n";
// If the aliasee has external weak linkage it can be referenced only by
E = CMM->begin(); I != E; )
(*--I)->finishAssembly(O, *this, *TAI);
+ // If we don't have any trampolines, then we don't require stack memory
+ // to be executable. Some targets have a directive to declare this.
+ Function* InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
+ if (!InitTrampolineIntrinsic || InitTrampolineIntrinsic->use_empty())
+ if (TAI->getNonexecutableStackDirective())
+ O << TAI->getNonexecutableStackDirective() << "\n";
+
delete Mang; Mang = 0;
return false;
}
std::string AsmPrinter::getCurrentFunctionEHName(const MachineFunction *MF) {
assert(MF && "No machine function?");
- return Mang->makeNameProper(MF->getFunction()->getName() + ".eh",
- TAI->getGlobalPrefix());
+ std::string Name = MF->getFunction()->getName();
+ if (Name.empty())
+ Name = Mang->getValueName(MF->getFunction());
+ return Mang->makeNameProper(Name + ".eh", TAI->getGlobalPrefix());
}
void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
}
/// EmitGlobalConstant - Print a general LLVM constant to the .s file.
-/// If Packed is false, pad to the ABI size.
-void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
+void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
const TargetData *TD = TM.getTargetData();
- unsigned Size = Packed ?
- TD->getTypeStoreSize(CV->getType()) : TD->getABITypeSize(CV->getType());
+ unsigned Size = TD->getABITypeSize(CV->getType());
if (CV->isNullValue() || isa<UndefValue>(CV)) {
EmitZeros(Size);
EmitString(CVA);
} else { // Not a string. Print the values in successive locations
for (unsigned i = 0, e = CVA->getNumOperands(); i != e; ++i)
- EmitGlobalConstant(CVA->getOperand(i), false);
+ EmitGlobalConstant(CVA->getOperand(i));
}
return;
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
const Constant* field = CVS->getOperand(i);
// Check if padding is needed and insert one or more 0s.
- uint64_t fieldSize = TD->getTypeStoreSize(field->getType());
+ uint64_t fieldSize = TD->getABITypeSize(field->getType());
uint64_t padSize = ((i == e-1 ? Size : cvsLayout->getElementOffset(i+1))
- cvsLayout->getElementOffset(i)) - fieldSize;
sizeSoFar += fieldSize + padSize;
- // Now print the actual field value without ABI size padding.
- EmitGlobalConstant(field, true);
+ // Now print the actual field value.
+ EmitGlobalConstant(field);
// Insert padding - this may include padding to increase the size of the
// current field up to the ABI size (if the struct is not packed) as well
const VectorType *PTy = CP->getType();
for (unsigned I = 0, E = PTy->getNumElements(); I < E; ++I)
- EmitGlobalConstant(CP->getOperand(I), false);
+ EmitGlobalConstant(CP->getOperand(I));
return;
}
const Type *type = CV->getType();
printDataDirective(type);
EmitConstantValueOnly(CV);
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV)) {
+ O << "\t\t\t"
+ << TAI->getCommentString()
+ << " 0x" << CI->getValue().toStringUnsigned(16);
+ }
O << "\n";
}
O << "\n\t" << TAI->getInlineAsmEnd() << "\n";
}
+/// printImplicitDef - This method prints the specified machine instruction
+/// that is an implicit def.
+void AsmPrinter::printImplicitDef(const MachineInstr *MI) const {
+ O << "\t" << TAI->getCommentString() << " implicit-def: "
+ << TRI->getAsmName(MI->getOperand(0).getReg()) << "\n";
+}
+
/// printLabel - This method prints a local label used by debug and
/// exception handling tables.
void AsmPrinter::printLabel(const MachineInstr *MI) const {
}
}
+void AsmPrinter::printSuffixedName(std::string &Name, const char* Suffix) {
+ if (Name[0]=='\"')
+ O << "\"" << TAI->getPrivateGlobalPrefix() <<
+ Name.substr(1, Name.length()-2) << Suffix << "\"";
+ else
+ O << TAI->getPrivateGlobalPrefix() << Name << Suffix;
+}