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One Printer to rule them all, One Printer to find them,

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One Printer to lower them all and in the back end bind them.


(Remove option to use the old non-MC asm printer.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115038 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2010-09-29 15:23:40 +00:00
parent 9e3922e949
commit b454cdaebc
1 changed files with 1 additions and 102 deletions
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103
lib/Target/ARM/ARMAsmPrinter.cpp
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@ -53,10 +53,6 @@
#include <cctype>
using namespace llvm;
static cl::opt<bool>
EnableMCInst("enable-arm-mcinst-printer", cl::Hidden, cl::init(true),
cl::desc("enable experimental asmprinter gunk in the arm backend"));
namespace llvm {
namespace ARM {
enum DW_ISA {
@ -93,8 +89,6 @@ namespace {
void EmitJumpTable(const MachineInstr *MI);
void EmitJump2Table(const MachineInstr *MI);
void printInstructionThroughMCStreamer(const MachineInstr *MI);
void printOperand(const MachineInstr *MI, int OpNum, raw_ostream &O,
const char *Modifier = 0);
@ -1136,101 +1130,6 @@ bool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
return false;
}
void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
if (EnableMCInst) {
printInstructionThroughMCStreamer(MI);
return;
}
if (MI->getOpcode() == ARM::CONSTPOOL_ENTRY)
EmitAlignment(2);
SmallString<128> Str;
raw_svector_ostream OS(Str);
if (MI->getOpcode() == ARM::DBG_VALUE) {
PrintDebugValueComment(MI, OS);
} else if (MI->getOpcode() == ARM::MOVs) {
// FIXME: Thumb variants?
const MachineOperand &Dst = MI->getOperand(0);
const MachineOperand &MO1 = MI->getOperand(1);
const MachineOperand &MO2 = MI->getOperand(2);
const MachineOperand &MO3 = MI->getOperand(3);
OS << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO3.getImm()));
printSBitModifierOperand(MI, 6, OS);
printPredicateOperand(MI, 4, OS);
OS << '\t' << getRegisterName(Dst.getReg())
<< ", " << getRegisterName(MO1.getReg());
if (ARM_AM::getSORegShOp(MO3.getImm()) != ARM_AM::rrx) {
OS << ", ";
if (MO2.getReg()) {
OS << getRegisterName(MO2.getReg());
assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
} else {
OS << "#" << ARM_AM::getSORegOffset(MO3.getImm());
}
}
} else
// A8.6.123 PUSH
if ((MI->getOpcode() == ARM::STM_UPD || MI->getOpcode() == ARM::t2STM_UPD) &&
MI->getOperand(0).getReg() == ARM::SP &&
ARM_AM::getAM4SubMode(MI->getOperand(2).getImm()) == ARM_AM::db) {
OS << '\t' << "push";
printPredicateOperand(MI, 3, OS);
OS << '\t';
printRegisterList(MI, 5, OS);
} else
// A8.6.122 POP
if ((MI->getOpcode() == ARM::LDM_UPD || MI->getOpcode() == ARM::t2LDM_UPD) &&
MI->getOperand(0).getReg() == ARM::SP &&
ARM_AM::getAM4SubMode(MI->getOperand(2).getImm()) == ARM_AM::ia) {
OS << '\t' << "pop";
printPredicateOperand(MI, 3, OS);
OS << '\t';
printRegisterList(MI, 5, OS);
} else
// A8.6.355 VPUSH
if ((MI->getOpcode() == ARM::VSTMS_UPD || MI->getOpcode() ==ARM::VSTMD_UPD) &&
MI->getOperand(0).getReg() == ARM::SP &&
ARM_AM::getAM4SubMode(MI->getOperand(2).getImm()) == ARM_AM::db) {
OS << '\t' << "vpush";
printPredicateOperand(MI, 3, OS);
OS << '\t';
printRegisterList(MI, 5, OS);
} else
// A8.6.354 VPOP
if ((MI->getOpcode() == ARM::VLDMS_UPD || MI->getOpcode() ==ARM::VLDMD_UPD) &&
MI->getOperand(0).getReg() == ARM::SP &&
ARM_AM::getAM4SubMode(MI->getOperand(2).getImm()) == ARM_AM::ia) {
OS << '\t' << "vpop";
printPredicateOperand(MI, 3, OS);
OS << '\t';
printRegisterList(MI, 5, OS);
} else
// TRAP and tTRAP need special handling for non-Darwin. The GNU binutils
// don't (yet) support the 'trap' mnemonic. (Use decimal, not hex, to
// be consistent with the MC instruction printer.)
// FIXME: This really should be in AsmPrinter/ARMInstPrinter.cpp, not here.
// Need a way to ask "isTargetDarwin()" there, first, though.
if (MI->getOpcode() == ARM::TRAP && !Subtarget->isTargetDarwin()) {
OS << "\t.long\t3892305662\t\t" << MAI->getCommentString() << "trap";
} else if (MI->getOpcode() == ARM::tTRAP && !Subtarget->isTargetDarwin()) {
OS << "\t.short\t57086\t\t\t" << MAI->getCommentString() << " trap";
} else
printInstruction(MI, OS);
// Output the instruction to the stream
OutStreamer.EmitRawText(OS.str());
// Make sure the instruction that follows TBB is 2-byte aligned.
// FIXME: Constant island pass should insert an "ALIGN" instruction instead.
if (MI->getOpcode() == ARM::t2TBB)
EmitAlignment(1);
}
void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) {
if (Subtarget->isTargetDarwin()) {
Reloc::Model RelocM = TM.getRelocationModel();
@ -1510,7 +1409,7 @@ void ARMAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
printOperand(MI, NOps-2, OS);
}
void ARMAsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI) {
void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
ARMMCInstLower MCInstLowering(OutContext, *Mang, *this);
switch (MI->getOpcode()) {
case ARM::t2MOVi32imm: