#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/Mangler.h"
-#include "Support/Statistic.h"
-#include "Support/StringExtras.h"
-#include "Support/CommandLine.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/CommandLine.h"
#include <cctype>
using namespace llvm;
// Print out the specified constant, without a storage class. Only the
// constants valid in constant expressions can occur here.
void V8Printer::emitConstantValueOnly(const Constant *CV) {
- if (CV->isNullValue())
+ if (CV->isNullValue() || isa<UndefValue> (CV))
O << "0";
else if (const ConstantBool *CB = dyn_cast<ConstantBool>(CV)) {
assert(CB == ConstantBool::True);
O << (unsigned long long)CI->getValue();
else if (const ConstantUInt *CI = dyn_cast<ConstantUInt>(CV))
O << CI->getValue();
- else if (const ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(CV))
+ else if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
// This is a constant address for a global variable or function. Use the
// name of the variable or function as the address value.
- O << Mang->getValueName(CPR->getValue());
+ O << Mang->getValueName(GV);
else if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV)) {
const TargetData &TD = TM.getTargetData();
switch(CE->getOpcode()) {
printAsCString(O, CVA);
O << "\n";
} else { // Not a string. Print the values in successive locations
- const std::vector<Use> &constValues = CVA->getValues();
- for (unsigned i=0; i < constValues.size(); i++)
- emitGlobalConstant(cast<Constant>(constValues[i].get()));
+ for (unsigned i = 0, e = CVA->getNumOperands(); i != e; i++)
+ emitGlobalConstant(CVA->getOperand(i));
}
return;
} else if (const ConstantStruct *CVS = dyn_cast<ConstantStruct>(CV)) {
// Print the fields in successive locations. Pad to align if needed!
const StructLayout *cvsLayout = TD.getStructLayout(CVS->getType());
- const std::vector<Use>& constValues = CVS->getValues();
unsigned sizeSoFar = 0;
- for (unsigned i=0, N = constValues.size(); i < N; i++) {
- const Constant* field = cast<Constant>(constValues[i].get());
+ for (unsigned i = 0, e = CVS->getNumOperands(); i != e; i++) {
+ const Constant* field = CVS->getOperand(i);
// Check if padding is needed and insert one or more 0s.
unsigned fieldSize = TD.getTypeSize(field->getType());
- unsigned padSize = ((i == N-1? cvsLayout->StructSize
+ unsigned padSize = ((i == e-1? cvsLayout->StructSize
: cvsLayout->MemberOffsets[i+1])
- cvsLayout->MemberOffsets[i]) - fieldSize;
sizeSoFar += fieldSize + padSize;
uint64_t UVal;
} U;
U.FVal = Val;
- O << ".quad\t" << U.UVal << "\t! double " << Val << "\n";
+ O << ".word\t0x" << std::hex << (U.UVal >> 32) << std::dec << "\t! double " << Val << "\n";
+ O << ".word\t0x" << std::hex << (U.UVal & 0xffffffffUL) << std::dec << "\t! double " << Val << "\n";
return;
}
}
+ } else if (isa<UndefValue> (CV)) {
+ unsigned size = TD.getTypeSize (CV->getType ());
+ O << "\t.skip\t " << size << "\n";
+ return;
+ } else if (isa<ConstantAggregateZero> (CV)) {
+ unsigned size = TD.getTypeSize (CV->getType ());
+ for (unsigned i = 0; i < size; ++i)
+ O << "\t.byte 0\n";
+ return;
}
const Type *type = CV->getType();
O << ".byte";
break;
case Type::UShortTyID: case Type::ShortTyID:
- O << ".word";
+ O << ".half";
break;
case Type::FloatTyID: case Type::PointerTyID:
case Type::UIntTyID: case Type::IntTyID:
- O << ".long";
+ O << ".word";
break;
case Type::DoubleTyID:
case Type::ULongTyID: case Type::LongTyID:
- O << ".quad";
+ O << ".xword";
break;
default:
assert (0 && "Can't handle printing this type of thing");
if (CP.empty()) return;
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
- O << "\t.section .rodata\n";
+ O << "\t.section \".rodata\"\n";
O << "\t.align " << (unsigned)TD.getTypeAlignment(CP[i]->getType())
<< "\n";
O << ".CPI" << CurrentFnName << "_" << i << ":\t\t\t\t\t!"
return false;
}
-
-std::string LowercaseString (const std::string &S) {
- std::string result (S);
- for (unsigned i = 0; i < S.length(); ++i)
- if (isupper (result[i]))
- result[i] = tolower(result[i]);
- return result;
-}
-
void V8Printer::printOperand(const MachineInstr *MI, int opNum) {
const MachineOperand &MO = MI->getOperand (opNum);
const MRegisterInfo &RI = *TM.getRegisterInfo();
if (MI->getOpcode() == V8::SETHIi && !MO.isRegister() && !MO.isImmediate()) {
O << "%hi(";
CloseParen = true;
- } else if (MI->getOpcode() ==V8::ORri &&!MO.isRegister() &&!MO.isImmediate()) {
+ } else if (MI->getOpcode() ==V8::ORri &&!MO.isRegister() &&!MO.isImmediate())
+ {
O << "%lo(";
CloseParen = true;
}
case MachineOperand::MO_ExternalSymbol:
O << MO.getSymbolName();
break;
+ case MachineOperand::MO_ConstantPoolIndex:
+ O << ".CPI" << CurrentFnName << "_" << MO.getConstantPoolIndex();
+ break;
default:
- O << "<unknown operand type>"; break;
+ O << "<unknown operand type>"; abort (); break;
}
if (CloseParen) O << ")";
}
static bool isLoadInstruction (const MachineInstr *MI) {
switch (MI->getOpcode ()) {
- case V8::LDSBmr:
- case V8::LDSHmr:
- case V8::LDUBmr:
- case V8::LDUHmr:
- case V8::LDmr:
- case V8::LDDmr:
+ case V8::LDSB:
+ case V8::LDSH:
+ case V8::LDUB:
+ case V8::LDUH:
+ case V8::LD:
+ case V8::LDD:
+ case V8::LDFrr:
+ case V8::LDFri:
+ case V8::LDDFrr:
+ case V8::LDDFri:
return true;
default:
return false;
static bool isStoreInstruction (const MachineInstr *MI) {
switch (MI->getOpcode ()) {
- case V8::STBrm:
- case V8::STHrm:
- case V8::STrm:
- case V8::STDrm:
+ case V8::STB:
+ case V8::STH:
+ case V8::ST:
+ case V8::STD:
+ case V8::STFrr:
+ case V8::STFri:
+ case V8::STDFrr:
+ case V8::STDFri:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool isPseudoInstruction (const MachineInstr *MI) {
+ switch (MI->getOpcode ()) {
+ case V8::PHI:
+ case V8::ADJCALLSTACKUP:
+ case V8::ADJCALLSTACKDOWN:
+ case V8::IMPLICIT_USE:
+ case V8::IMPLICIT_DEF:
return true;
default:
return false;
unsigned Opcode = MI->getOpcode();
const TargetInstrInfo &TII = *TM.getInstrInfo();
const TargetInstrDescriptor &Desc = TII.get(Opcode);
+
+ // If it's a pseudo-instruction, comment it out.
+ if (isPseudoInstruction (MI))
+ O << "! ";
+
O << Desc.Name << " ";
// Printing memory instructions is a special case.
if (CurSection != NewSection) {
CurSection = NewSection;
if (!CurSection.empty())
- OS << "\t" << NewSection << "\n";
+ OS << "\t.section \"" << NewSection << "\"\n";
}
}
std::string CurSection;
// Print out module-level global variables here.
- for (Module::const_giterator I = M.gbegin(), E = M.gend(); I != E; ++I)
+ for (Module::const_global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I)
if (I->hasInitializer()) { // External global require no code
O << "\n\n";
std::string name = Mang->getValueName(I);
// Nonnull linkonce -> weak
O << "\t.weak " << name << "\n";
SwitchSection(O, CurSection, "");
- O << "\t.section\t.llvm.linkonce.d." << name << ",\"aw\",@progbits\n";
+ O << "\t.section\t\".llvm.linkonce.d." << name << "\",\"aw\",@progbits\n";
break;
case GlobalValue::AppendingLinkage:
else
SwitchSection(O, CurSection, ".data");
break;
+ case GlobalValue::GhostLinkage:
+ std::cerr << "Should not have any unmaterialized functions!\n";
+ abort();
}
O << "\t.align " << Align << "\n";
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