2006-05-14 22:18:28 +00:00
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//===-- ARMTargetMachine.cpp - Define TargetMachine for ARM ---------------===//
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//
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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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2006-05-14 22:18:28 +00:00
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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#include "ARMTargetMachine.h"
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2009-08-22 20:48:53 +00:00
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#include "ARMMCAsmInfo.h"
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2006-08-16 14:43:33 +00:00
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#include "ARMFrameInfo.h"
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2006-05-14 22:18:28 +00:00
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#include "ARM.h"
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#include "llvm/PassManager.h"
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2007-05-16 02:01:49 +00:00
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#include "llvm/CodeGen/Passes.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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2007-01-19 07:51:42 +00:00
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#include "llvm/Target/TargetOptions.h"
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2009-07-25 06:49:55 +00:00
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#include "llvm/Target/TargetRegistry.h"
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2006-05-14 22:18:28 +00:00
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using namespace llvm;
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2009-11-06 10:58:06 +00:00
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static const MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
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2009-08-12 07:22:17 +00:00
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Triple TheTriple(TT);
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switch (TheTriple.getOS()) {
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case Triple::Darwin:
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2009-08-22 21:03:30 +00:00
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return new ARMMCAsmInfoDarwin();
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2009-08-12 07:22:17 +00:00
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default:
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2009-08-22 20:48:53 +00:00
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return new ARMELFMCAsmInfo();
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2009-08-12 07:22:17 +00:00
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}
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}
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2009-08-11 15:33:49 +00:00
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extern "C" void LLVMInitializeARMTarget() {
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2009-07-25 06:49:55 +00:00
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// Register the target.
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RegisterTargetMachine<ARMTargetMachine> X(TheARMTarget);
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RegisterTargetMachine<ThumbTargetMachine> Y(TheThumbTarget);
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2009-09-14 17:27:35 +00:00
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2009-08-12 07:22:17 +00:00
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// Register the target asm info.
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2009-08-22 20:48:53 +00:00
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RegisterAsmInfoFn A(TheARMTarget, createMCAsmInfo);
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RegisterAsmInfoFn B(TheThumbTarget, createMCAsmInfo);
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2009-07-25 06:49:55 +00:00
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}
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2009-06-16 20:12:29 +00:00
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2007-02-23 03:14:31 +00:00
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/// TargetMachine ctor - Create an ARM architecture model.
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///
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2009-07-15 20:24:03 +00:00
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ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T,
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2009-08-02 23:37:13 +00:00
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const std::string &TT,
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2009-06-26 21:28:53 +00:00
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const std::string &FS,
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bool isThumb)
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2009-08-11 20:42:37 +00:00
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: LLVMTargetMachine(T, TT),
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2009-08-02 23:37:13 +00:00
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Subtarget(TT, FS, isThumb),
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2007-03-13 01:20:42 +00:00
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FrameInfo(Subtarget),
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2008-11-08 07:38:22 +00:00
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JITInfo(),
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2009-06-19 01:51:50 +00:00
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InstrItins(Subtarget.getInstrItineraryData()) {
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2008-10-30 16:10:54 +00:00
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DefRelocModel = getRelocationModel();
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}
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2006-05-14 22:18:28 +00:00
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2009-08-02 23:37:13 +00:00
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ARMTargetMachine::ARMTargetMachine(const Target &T, const std::string &TT,
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2009-07-15 20:24:03 +00:00
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const std::string &FS)
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2009-08-02 23:37:13 +00:00
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: ARMBaseTargetMachine(T, TT, FS, false), InstrInfo(Subtarget),
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DataLayout(Subtarget.isAPCS_ABI() ?
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2009-11-07 19:07:32 +00:00
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std::string("e-p:32:32-f64:32:32-i64:32:32-n32") :
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std::string("e-p:32:32-f64:64:64-i64:64:64-n32")),
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2009-06-26 21:28:53 +00:00
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TLInfo(*this) {
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}
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2009-08-02 23:37:13 +00:00
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ThumbTargetMachine::ThumbTargetMachine(const Target &T, const std::string &TT,
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2009-07-15 20:24:03 +00:00
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const std::string &FS)
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2009-08-02 23:37:13 +00:00
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: ARMBaseTargetMachine(T, TT, FS, true),
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2009-08-15 07:59:10 +00:00
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InstrInfo(Subtarget.hasThumb2()
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? ((ARMBaseInstrInfo*)new Thumb2InstrInfo(Subtarget))
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: ((ARMBaseInstrInfo*)new Thumb1InstrInfo(Subtarget))),
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2009-06-26 21:28:53 +00:00
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DataLayout(Subtarget.isAPCS_ABI() ?
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std::string("e-p:32:32-f64:32:32-i64:32:32-"
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2009-11-07 19:07:32 +00:00
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"i16:16:32-i8:8:32-i1:8:32-a:0:32-n32") :
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2009-06-26 21:28:53 +00:00
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std::string("e-p:32:32-f64:64:64-i64:64:64-"
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2009-11-07 19:07:32 +00:00
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"i16:16:32-i8:8:32-i1:8:32-a:0:32-n32")),
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2009-06-26 21:28:53 +00:00
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TLInfo(*this) {
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}
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2006-05-14 22:18:28 +00:00
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2007-01-19 07:51:42 +00:00
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2006-09-04 04:14:57 +00:00
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// Pass Pipeline Configuration
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addInstSelector(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel) {
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2009-09-28 14:30:20 +00:00
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PM.add(createARMISelDag(*this, OptLevel));
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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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2006-09-19 15:49:25 +00:00
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addPreRegAlloc(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel) {
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2009-08-05 23:12:45 +00:00
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if (Subtarget.hasNEON())
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PM.add(createNEONPreAllocPass());
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2009-11-15 21:45:34 +00:00
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// Calculate and set max stack object alignment early, so we can decide
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// whether we will need stack realignment (and thus FP).
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2009-12-02 19:30:24 +00:00
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PM.add(createMaxStackAlignmentCalculatorPass());
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2009-11-15 21:45:34 +00:00
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2009-09-27 09:46:04 +00:00
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// FIXME: temporarily disabling load / store optimization pass for Thumb1.
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if (OptLevel != CodeGenOpt::None && !Subtarget.isThumb1Only())
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2009-06-13 09:12:55 +00:00
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PM.add(createARMLoadStoreOptimizationPass(true));
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return true;
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}
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2009-09-30 08:53:01 +00:00
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bool ARMBaseTargetMachine::addPreSched2(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel) {
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// FIXME: temporarily disabling load / store optimization pass for Thumb1.
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2009-10-22 16:52:21 +00:00
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if (OptLevel != CodeGenOpt::None && !Subtarget.isThumb1Only())
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2009-10-02 04:57:15 +00:00
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PM.add(createARMLoadStoreOptimizationPass());
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2009-09-30 08:53:01 +00:00
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2009-11-06 23:52:48 +00:00
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// Expand some pseudo instructions into multiple instructions to allow
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// proper scheduling.
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PM.add(createARMExpandPseudoPass());
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2009-09-30 08:53:01 +00:00
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return true;
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}
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addPreEmitPass(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel) {
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2009-10-22 16:52:21 +00:00
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// FIXME: temporarily disabling load / store optimization pass for Thumb1.
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2009-11-03 01:04:26 +00:00
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if (OptLevel != CodeGenOpt::None) {
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if (!Subtarget.isThumb1Only())
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PM.add(createIfConverterPass());
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2009-11-03 18:46:11 +00:00
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if (Subtarget.hasNEON())
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PM.add(createNEONMoveFixPass());
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2009-11-03 01:04:26 +00:00
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}
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2009-10-22 16:52:21 +00:00
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2009-08-08 03:21:23 +00:00
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if (Subtarget.isThumb2()) {
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2009-07-10 01:54:42 +00:00
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PM.add(createThumb2ITBlockPass());
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2009-08-10 23:56:04 +00:00
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PM.add(createThumb2SizeReductionPass());
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2009-08-08 03:21:23 +00:00
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}
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2009-07-10 01:54:42 +00:00
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2007-01-19 07:51:42 +00:00
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PM.add(createARMConstantIslandPass());
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2006-09-19 15:49:25 +00:00
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return true;
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}
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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MachineCodeEmitter &MCE) {
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2007-07-05 21:15:40 +00:00
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// FIXME: Move this to TargetJITInfo!
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2008-10-30 16:10:54 +00:00
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if (DefRelocModel == Reloc::Default)
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setRelocationModel(Reloc::Static);
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2007-07-05 21:15:40 +00:00
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// Machine code emitter pass for ARM.
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PM.add(createARMCodeEmitterPass(*this, MCE));
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return false;
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}
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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JITCodeEmitter &JCE) {
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2009-05-30 20:51:52 +00:00
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// FIXME: Move this to TargetJITInfo!
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if (DefRelocModel == Reloc::Default)
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setRelocationModel(Reloc::Static);
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// Machine code emitter pass for ARM.
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PM.add(createARMJITCodeEmitterPass(*this, JCE));
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return false;
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}
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2009-07-06 05:09:34 +00:00
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bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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ObjectCodeEmitter &OCE) {
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// FIXME: Move this to TargetJITInfo!
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if (DefRelocModel == Reloc::Default)
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setRelocationModel(Reloc::Static);
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// Machine code emitter pass for ARM.
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PM.add(createARMObjectCodeEmitterPass(*this, OCE));
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return false;
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}
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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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MachineCodeEmitter &MCE) {
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2007-07-05 21:15:40 +00:00
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// Machine code emitter pass for ARM.
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PM.add(createARMCodeEmitterPass(*this, MCE));
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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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2009-06-26 21:28:53 +00:00
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bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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JITCodeEmitter &JCE) {
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2009-05-30 20:51:52 +00:00
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// Machine code emitter pass for ARM.
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PM.add(createARMJITCodeEmitterPass(*this, JCE));
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return false;
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}
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2009-07-06 05:09:34 +00:00
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bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
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CodeGenOpt::Level OptLevel,
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ObjectCodeEmitter &OCE) {
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// Machine code emitter pass for ARM.
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PM.add(createARMObjectCodeEmitterPass(*this, OCE));
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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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