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switch ARM to use EmitFunctionHeader.

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llvm-svn: 94703
This commit is contained in:
Chris Lattner 2010-01-27 23:58:11 +00:00
parent 21062f0348
commit 7e98bbe5a3
1 changed files with 15 additions and 44 deletions
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59
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -164,6 +164,7 @@ namespace {
void printMachineInstruction(const MachineInstr *MI); void printMachineInstruction(const MachineInstr *MI);
bool runOnMachineFunction(MachineFunction &F); bool runOnMachineFunction(MachineFunction &F);
virtual void EmitFunctionEntryLabel();
void EmitStartOfAsmFile(Module &M); void EmitStartOfAsmFile(Module &M);
void EmitEndOfAsmFile(Module &M); void EmitEndOfAsmFile(Module &M);
@ -237,6 +238,18 @@ namespace {
#include "ARMGenAsmWriter.inc" #include "ARMGenAsmWriter.inc"
void ARMAsmPrinter::EmitFunctionEntryLabel() {
if (AFI->isThumbFunction()) {
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
O << '\t' << *CurrentFnSym;
O << '\n';
}
OutStreamer.EmitLabel(CurrentFnSym);
}
/// runOnMachineFunction - This uses the printInstruction() /// runOnMachineFunction - This uses the printInstruction()
/// method to print assembly for each instruction. /// method to print assembly for each instruction.
/// ///
@ -249,50 +262,8 @@ bool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
// NOTE: we don't print out constant pools here, they are handled as // NOTE: we don't print out constant pools here, they are handled as
// instructions. // instructions.
EmitFunctionHeader();
O << '\n';
// Print out labels for the function.
const Function *F = MF.getFunction();
OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(F, Mang, TM));
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::InternalLinkage:
break;
case Function::ExternalLinkage:
O << "\t.globl\t" << *CurrentFnSym << "\n";
break;
case Function::LinkerPrivateLinkage:
case Function::WeakAnyLinkage:
case Function::WeakODRLinkage:
case Function::LinkOnceAnyLinkage:
case Function::LinkOnceODRLinkage:
if (Subtarget->isTargetDarwin()) {
O << "\t.globl\t" << *CurrentFnSym << "\n";
O << "\t.weak_definition\t" << *CurrentFnSym << "\n";
} else {
O << MAI->getWeakRefDirective() << *CurrentFnSym << "\n";
}
break;
}
printVisibility(CurrentFnSym, F->getVisibility());
EmitAlignment(1 << MF.getAlignment(), F);
if (AFI->isThumbFunction()) {
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
O << "\t" << *CurrentFnSym;
O << "\n";
}
O << *CurrentFnSym << ":\n";
// Emit pre-function debug information.
DW->BeginFunction(&MF);
if (Subtarget->isTargetDarwin()) { if (Subtarget->isTargetDarwin()) {
// If the function is empty, then we need to emit *something*. Otherwise, // If the function is empty, then we need to emit *something*. Otherwise,
// the function's label might be associated with something that it wasn't // the function's label might be associated with something that it wasn't