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-rw-r--r--lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp134
1 files changed, 34 insertions, 100 deletions
diff --git a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
index 9af9bd8..b8641c3 100644
--- a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
@@ -37,7 +37,6 @@
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegistry.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/CommandLine.h"
@@ -46,15 +45,14 @@
#include <cctype>
using namespace llvm;
-STATISTIC(EmittedInsts, "Number of machine instrs printed");
-
namespace {
class MipsAsmPrinter : public AsmPrinter {
const MipsSubtarget *Subtarget;
public:
explicit MipsAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
- const MCAsmInfo *T, bool V)
- : AsmPrinter(O, TM, T, V) {
+ MCContext &Ctx, MCStreamer &Streamer,
+ const MCAsmInfo *T)
+ : AsmPrinter(O, TM, Ctx, Streamer, T) {
Subtarget = &TM.getSubtarget<MipsSubtarget>();
}
@@ -70,18 +68,22 @@ namespace {
const char *Modifier = 0);
void printFCCOperand(const MachineInstr *MI, int opNum,
const char *Modifier = 0);
- void printSavedRegsBitmask(MachineFunction &MF);
+ void printSavedRegsBitmask();
void printHex32(unsigned int Value);
const char *emitCurrentABIString();
- void emitFunctionStart(MachineFunction &MF);
- void emitFunctionEnd(MachineFunction &MF);
- void emitFrameDirective(MachineFunction &MF);
+ void emitFrameDirective();
void printInstruction(const MachineInstr *MI); // autogenerated.
+ void EmitInstruction(const MachineInstr *MI) {
+ printInstruction(MI);
+ OutStreamer.AddBlankLine();
+ }
+ virtual void EmitFunctionBodyStart();
+ virtual void EmitFunctionBodyEnd();
static const char *getRegisterName(unsigned RegNo);
- bool runOnMachineFunction(MachineFunction &F);
+ virtual void EmitFunctionEntryLabel();
void EmitStartOfAsmFile(Module &M);
};
} // end of anonymous namespace
@@ -125,18 +127,16 @@ namespace {
// Create a bitmask with all callee saved registers for CPU or Floating Point
// registers. For CPU registers consider RA, GP and FP for saving if necessary.
-void MipsAsmPrinter::
-printSavedRegsBitmask(MachineFunction &MF)
-{
+void MipsAsmPrinter::printSavedRegsBitmask() {
const TargetRegisterInfo &RI = *TM.getRegisterInfo();
- MipsFunctionInfo *MipsFI = MF.getInfo<MipsFunctionInfo>();
+ const MipsFunctionInfo *MipsFI = MF->getInfo<MipsFunctionInfo>();
// CPU and FPU Saved Registers Bitmasks
unsigned int CPUBitmask = 0;
unsigned int FPUBitmask = 0;
// Set the CPU and FPU Bitmasks
- MachineFrameInfo *MFI = MF.getFrameInfo();
+ const MachineFrameInfo *MFI = MF->getFrameInfo();
const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
for (unsigned i = 0, e = CSI.size(); i != e; ++i) {
unsigned RegNum = MipsRegisterInfo::getRegisterNumbering(CSI[i].getReg());
@@ -147,11 +147,11 @@ printSavedRegsBitmask(MachineFunction &MF)
}
// Return Address and Frame registers must also be set in CPUBitmask.
- if (RI.hasFP(MF))
+ if (RI.hasFP(*MF))
CPUBitmask |= (1 << MipsRegisterInfo::
- getRegisterNumbering(RI.getFrameRegister(MF)));
+ getRegisterNumbering(RI.getFrameRegister(*MF)));
- if (MF.getFrameInfo()->hasCalls())
+ if (MFI->hasCalls())
CPUBitmask |= (1 << MipsRegisterInfo::
getRegisterNumbering(RI.getRARegister()));
@@ -178,12 +178,12 @@ printHex32(unsigned int Value)
//===----------------------------------------------------------------------===//
/// Frame Directive
-void MipsAsmPrinter::emitFrameDirective(MachineFunction &MF) {
+void MipsAsmPrinter::emitFrameDirective() {
const TargetRegisterInfo &RI = *TM.getRegisterInfo();
- unsigned stackReg = RI.getFrameRegister(MF);
+ unsigned stackReg = RI.getFrameRegister(*MF);
unsigned returnReg = RI.getRARegister();
- unsigned stackSize = MF.getFrameInfo()->getStackSize();
+ unsigned stackSize = MF->getFrameInfo()->getStackSize();
O << "\t.frame\t" << '$' << LowercaseString(getRegisterName(stackReg))
@@ -207,96 +207,30 @@ const char *MipsAsmPrinter::emitCurrentABIString() {
return NULL;
}
-/// Emit the directives used by GAS on the start of functions
-void MipsAsmPrinter::emitFunctionStart(MachineFunction &MF) {
- // Print out the label for the function.
- const Function *F = MF.getFunction();
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
-
- // 2 bits aligned
- EmitAlignment(MF.getAlignment(), F);
-
- O << "\t.globl\t" << *CurrentFnSym << '\n';
+void MipsAsmPrinter::EmitFunctionEntryLabel() {
O << "\t.ent\t" << *CurrentFnSym << '\n';
+ OutStreamer.EmitLabel(CurrentFnSym);
+}
- printVisibility(CurrentFnSym, F->getVisibility());
-
- if ((MAI->hasDotTypeDotSizeDirective()) && Subtarget->isLinux())
- O << "\t.type\t" << *CurrentFnSym << ", @function\n";
-
- O << *CurrentFnSym << ":\n";
-
- emitFrameDirective(MF);
- printSavedRegsBitmask(MF);
-
- O << '\n';
+/// EmitFunctionBodyStart - Targets can override this to emit stuff before
+/// the first basic block in the function.
+void MipsAsmPrinter::EmitFunctionBodyStart() {
+ emitFrameDirective();
+ printSavedRegsBitmask();
}
-/// Emit the directives used by GAS on the end of functions
-void MipsAsmPrinter::emitFunctionEnd(MachineFunction &MF) {
+/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
+/// the last basic block in the function.
+void MipsAsmPrinter::EmitFunctionBodyEnd() {
// There are instruction for this macros, but they must
// always be at the function end, and we can't emit and
// break with BB logic.
O << "\t.set\tmacro\n";
O << "\t.set\treorder\n";
-
+
O << "\t.end\t" << *CurrentFnSym << '\n';
- if (MAI->hasDotTypeDotSizeDirective() && !Subtarget->isLinux())
- O << "\t.size\t" << *CurrentFnSym << ", .-" << *CurrentFnSym << '\n';
}
-/// runOnMachineFunction - This uses the printMachineInstruction()
-/// method to print assembly for each instruction.
-bool MipsAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- this->MF = &MF;
-
- SetupMachineFunction(MF);
-
- // Print out constants referenced by the function
- EmitConstantPool(MF.getConstantPool());
-
- // Print out jump tables referenced by the function
- EmitJumpTableInfo(MF.getJumpTableInfo(), MF);
-
- O << "\n\n";
-
- // Emit the function start directives
- emitFunctionStart(MF);
-
- // Print out code for the function.
- for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
- I != E; ++I) {
-
- // Print a label for the basic block.
- if (I != MF.begin()) {
- EmitBasicBlockStart(I);
- }
-
- for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
- II != E; ++II) {
- processDebugLoc(II, true);
-
- // Print the assembly for the instruction.
- printInstruction(II);
-
- if (VerboseAsm)
- EmitComments(*II);
- O << '\n';
-
- processDebugLoc(II, false);
- ++EmittedInsts;
- }
-
- // Each Basic Block is separated by a newline
- O << '\n';
- }
-
- // Emit function end directives
- emitFunctionEnd(MF);
-
- // We didn't modify anything.
- return false;
-}
// Print out an operand for an inline asm expression.
bool MipsAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
@@ -343,7 +277,7 @@ void MipsAsmPrinter::printOperand(const MachineInstr *MI, int opNum) {
break;
case MachineOperand::MO_MachineBasicBlock:
- O << *GetMBBSymbol(MO.getMBB()->getNumber());
+ O << *MO.getMBB()->getSymbol(OutContext);
return;
case MachineOperand::MO_GlobalAddress:
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