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implement EmitFunctionEntryLabel to emit the .cc_top directive, 

allowing xcore to use the normal runOnMachineFunction 
implementation.

llvm-svn: 100402
This commit is contained in:
Chris Lattner 2010-04-05 04:44:02 +00:00
parent 904f21700c
commit f0ef4e4019
1 changed files with 7 additions and 61 deletions
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68
llvm/lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp
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@ -22,7 +22,6 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineConstantPool.h"
@ -74,12 +73,10 @@ namespace {
void emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV);
virtual void EmitGlobalVariable(const GlobalVariable *GV);
void emitFunctionStart(MachineFunction &MF);
void printInstruction(const MachineInstr *MI, raw_ostream &O); // autogen'd.
static const char *getRegisterName(unsigned RegNo);
bool runOnMachineFunction(MachineFunction &MF);
void EmitFunctionEntryLabel();
void EmitInstruction(const MachineInstr *MI);
void EmitFunctionBodyEnd();
};
@ -178,44 +175,6 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data");
}
/// Emit the directives on the start of functions
void XCoreAsmPrinter::emitFunctionStart(MachineFunction &MF) {
// Print out the label for the function.
const Function *F = MF.getFunction();
OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
// Mark the start of the function
OutStreamer.EmitRawText("\t.cc_top " + Twine(CurrentFnSym->getName()) +
".function," + CurrentFnSym->getName());
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
break;
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
// TODO Use COMDAT groups for LinkOnceLinkage
OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Global);
OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_Weak);
break;
}
// (1 << 1) byte aligned
EmitAlignment(MF.getAlignment(), F, 1);
if (MAI->hasDotTypeDotSizeDirective())
OutStreamer.EmitSymbolAttribute(CurrentFnSym, MCSA_ELF_TypeFunction);
OutStreamer.EmitLabel(CurrentFnSym);
}
/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
/// the last basic block in the function.
void XCoreAsmPrinter::EmitFunctionBodyEnd() {
@ -224,31 +183,18 @@ void XCoreAsmPrinter::EmitFunctionBodyEnd() {
".function");
}
/// runOnMachineFunction - This uses the printMachineInstruction()
/// method to print assembly for each instruction.
///
bool XCoreAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
// Print out constants referenced by the function
EmitConstantPool();
// Emit the function start directives
emitFunctionStart(MF);
// Emit pre-function debug information.
DW->BeginFunction(&MF);
EmitFunctionBody();
return false;
void XCoreAsmPrinter::EmitFunctionEntryLabel() {
// Mark the start of the function
OutStreamer.EmitRawText("\t.cc_top " + Twine(CurrentFnSym->getName()) +
".function," + CurrentFnSym->getName());
OutStreamer.EmitLabel(CurrentFnSym);
}
void XCoreAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
printOperand(MI, opNum, O);
if (MI->getOperand(opNum+1).isImm()
&& MI->getOperand(opNum+1).getImm() == 0)
if (MI->getOperand(opNum+1).isImm() && MI->getOperand(opNum+1).getImm() == 0)
return;
O << "+";