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Initial checkin of the Mach-O emitter. There's plenty of fixmes, but it

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does emit linkable .o files in very simple cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29850 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nate Begeman
2006-08-23 21:08:52 +00:00
parent 81bc5088dd
commit eb883af390
8 changed files with 1118 additions and 47 deletions
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26
lib/Target/PowerPC/PPCTargetMachine.cpp
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@@ -109,11 +109,11 @@ PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
/// addPassesToEmitFile - Add passes to the specified pass manager to implement
/// a static compiler for this target.
///
bool PPCTargetMachine::addPassesToEmitFile(PassManager &PM,
std::ostream &Out,
bool PPCTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out,
CodeGenFileType FileType,
bool Fast) {
if (FileType != TargetMachine::AssemblyFile) return true;
if (FileType != TargetMachine::AssemblyFile &&
FileType != TargetMachine::ObjectFile) return true;
// Run loop strength reduction before anything else.
if (!Fast) PM.add(createLoopStrengthReducePass(&TLInfo));
@@ -146,7 +146,11 @@ bool PPCTargetMachine::addPassesToEmitFile(PassManager &PM,
// Must run branch selection immediately preceding the asm printer
PM.add(createPPCBranchSelectionPass());
PM.add(createDarwinAsmPrinter(Out, *this));
if (FileType == TargetMachine::AssemblyFile)
PM.add(createDarwinAsmPrinter(Out, *this));
else
// FIXME: support PPC ELF files at some point
addPPCMachOObjectWriterPass(PM, Out, *this);
PM.add(createMachineCodeDeleter());
return false;
@@ -184,3 +188,17 @@ void PPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
PM.add(createMachineFunctionPrinterPass(&std::cerr));
}
/// addPassesToEmitMachineCode - Add passes to the specified pass manager to get
/// machine code emitted. This uses a MachineCodeEmitter object to handle
/// actually outputting the machine code and resolving things like the address
/// of functions. This method should returns true if machine code emission is
/// not supported.
///
bool PPCTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
MachineCodeEmitter &MCE) {
// Machine code emitter pass for PowerPC
PM.add(createPPCCodeEmitterPass(*this, MCE));
// Delete machine code for this function after emitting it
PM.add(createMachineCodeDeleter());
return false;
}