2005-10-16 05:39:50 +00:00
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//===-- PPCTargetMachine.cpp - Define TargetMachine for PowerPC -----------===//
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2005-04-21 23:30:14 +00:00
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//
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2004-06-21 16:55:25 +00:00
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 20:36:04 +00:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-04-21 23:30:14 +00:00
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//
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2004-06-21 16:55:25 +00:00
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//===----------------------------------------------------------------------===//
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2005-04-21 23:30:14 +00:00
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//
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2005-08-15 23:47:04 +00:00
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// Top-level implementation for the PowerPC target.
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2004-06-21 16:55:25 +00:00
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//
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//===----------------------------------------------------------------------===//
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2005-10-14 23:59:06 +00:00
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#include "PPCTargetMachine.h"
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2012-03-17 18:46:09 +00:00
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#include "PPC.h"
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2004-06-21 16:55:25 +00:00
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#include "llvm/PassManager.h"
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2010-11-15 08:49:58 +00:00
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#include "llvm/MC/MCStreamer.h"
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2012-02-03 05:12:41 +00:00
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#include "llvm/CodeGen/Passes.h"
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2008-07-31 18:13:12 +00:00
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#include "llvm/Target/TargetOptions.h"
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2012-06-08 15:38:21 +00:00
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#include "llvm/Support/CommandLine.h"
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2009-07-14 20:18:05 +00:00
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#include "llvm/Support/FormattedStream.h"
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2011-08-24 18:08:43 +00:00
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#include "llvm/Support/TargetRegistry.h"
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2004-06-21 16:55:25 +00:00
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using namespace llvm;
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2012-06-08 15:38:21 +00:00
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static cl::
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2012-06-08 19:19:53 +00:00
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opt<bool> DisableCTRLoops("disable-ppc-ctrloops", cl::Hidden,
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cl::desc("Disable CTR loops for PPC"));
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2012-06-08 15:38:21 +00:00
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2009-07-25 06:49:55 +00:00
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extern "C" void LLVMInitializePowerPCTarget() {
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// Register the targets
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2012-02-03 05:12:30 +00:00
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RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
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2009-07-25 06:49:55 +00:00
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RegisterTargetMachine<PPC64TargetMachine> B(ThePPC64Target);
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}
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2009-06-16 20:12:29 +00:00
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2011-07-19 06:37:02 +00:00
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PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT,
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StringRef CPU, StringRef FS,
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2011-12-02 22:16:29 +00:00
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const TargetOptions &Options,
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2011-07-20 07:51:56 +00:00
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Reloc::Model RM, CodeModel::Model CM,
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2011-11-16 08:38:26 +00:00
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CodeGenOpt::Level OL,
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2011-07-20 07:51:56 +00:00
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bool is64Bit)
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2011-12-02 22:16:29 +00:00
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: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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2011-06-30 01:53:36 +00:00
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Subtarget(TT, CPU, FS, is64Bit),
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2006-06-17 00:01:04 +00:00
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DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
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2011-01-10 12:39:04 +00:00
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FrameLowering(Subtarget), JITInfo(*this, is64Bit),
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2010-05-11 17:31:57 +00:00
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TLInfo(*this), TSInfo(*this),
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2010-02-02 19:23:55 +00:00
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InstrItins(Subtarget.getInstrItineraryData()) {
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2012-04-02 19:09:04 +00:00
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// The binutils for the BG/P are too old for CFI.
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if (Subtarget.isBGP())
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setMCUseCFI(false);
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2005-10-16 05:39:50 +00:00
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}
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2011-12-20 02:50:00 +00:00
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void PPC32TargetMachine::anchor() { }
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2012-02-03 05:12:30 +00:00
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PPC32TargetMachine::PPC32TargetMachine(const Target &T, StringRef TT,
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2011-07-20 07:51:56 +00:00
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StringRef CPU, StringRef FS,
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const TargetOptions &Options,
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2011-11-16 08:38:26 +00:00
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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2011-12-02 22:16:29 +00:00
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: PPCTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
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2006-06-16 01:37:27 +00:00
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}
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2011-12-20 02:50:00 +00:00
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void PPC64TargetMachine::anchor() { }
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2006-06-16 01:37:27 +00:00
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2012-02-03 05:12:30 +00:00
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PPC64TargetMachine::PPC64TargetMachine(const Target &T, StringRef TT,
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2011-07-20 07:51:56 +00:00
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StringRef CPU, StringRef FS,
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2011-12-02 22:16:29 +00:00
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const TargetOptions &Options,
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2011-11-16 08:38:26 +00:00
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Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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2011-12-02 22:16:29 +00:00
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: PPCTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
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2006-06-16 01:37:27 +00:00
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}
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2004-08-11 07:40:04 +00:00
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2006-09-04 04:14:57 +00:00
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//===----------------------------------------------------------------------===//
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// Pass Pipeline Configuration
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//===----------------------------------------------------------------------===//
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2004-08-11 07:40:04 +00:00
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2012-02-03 05:12:41 +00:00
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namespace {
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/// PPC Code Generator Pass Configuration Options.
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class PPCPassConfig : public TargetPassConfig {
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public:
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2012-02-04 02:56:59 +00:00
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PPCPassConfig(PPCTargetMachine *TM, PassManagerBase &PM)
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: TargetPassConfig(TM, PM) {}
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2012-02-03 05:12:41 +00:00
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PPCTargetMachine &getPPCTargetMachine() const {
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return getTM<PPCTargetMachine>();
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}
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2012-06-08 15:38:21 +00:00
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virtual bool addPreRegAlloc();
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2012-02-03 05:12:41 +00:00
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virtual bool addInstSelector();
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virtual bool addPreEmitPass();
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};
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} // namespace
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2012-02-04 02:56:59 +00:00
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TargetPassConfig *PPCTargetMachine::createPassConfig(PassManagerBase &PM) {
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2012-06-09 03:14:50 +00:00
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return new PPCPassConfig(this, PM);
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2012-02-03 05:12:41 +00:00
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}
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2012-06-08 15:38:21 +00:00
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bool PPCPassConfig::addPreRegAlloc() {
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2012-06-08 19:19:53 +00:00
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if (!DisableCTRLoops && getOptLevel() != CodeGenOpt::None)
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2012-06-08 15:38:21 +00:00
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PM->add(createPPCCTRLoops());
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return false;
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}
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2012-02-03 05:12:41 +00:00
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bool PPCPassConfig::addInstSelector() {
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2005-08-17 19:33:30 +00:00
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// Install an instruction selector.
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2012-05-01 08:27:43 +00:00
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PM->add(createPPCISelDag(getPPCTargetMachine()));
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2006-09-04 04:14:57 +00:00
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return false;
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}
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2004-08-11 07:40:04 +00:00
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2012-02-03 05:12:41 +00:00
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bool PPCPassConfig::addPreEmitPass() {
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2006-09-04 04:14:57 +00:00
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// Must run branch selection immediately preceding the asm printer.
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2012-05-01 08:27:43 +00:00
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PM->add(createPPCBranchSelectionPass());
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2004-08-11 07:40:04 +00:00
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return false;
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}
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2009-05-30 20:51:52 +00:00
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bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
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2009-07-15 22:33:19 +00:00
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JITCodeEmitter &JCE) {
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2009-05-30 20:51:52 +00:00
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// FIXME: This should be moved to TargetJITInfo!!
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2011-07-19 06:37:02 +00:00
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if (Subtarget.isPPC64())
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2009-05-30 20:51:52 +00:00
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// Temporary workaround for the inability of PPC64 JIT to handle jump
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// tables.
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2012-02-03 05:12:30 +00:00
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Options.DisableJumpTables = true;
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2009-05-30 20:51:52 +00:00
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// Inform the subtarget that we are in JIT mode. FIXME: does this break macho
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// writing?
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Subtarget.SetJITMode();
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2012-02-03 05:12:30 +00:00
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2009-05-30 20:51:52 +00:00
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// Machine code emitter pass for PowerPC.
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PM.add(createPPCJITCodeEmitterPass(*this, JCE));
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return false;
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}
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