#include "Mips.h"
#include "MipsFrameLowering.h"
#include "MipsInstrInfo.h"
+#include "MipsModuleISelDAGToDAG.h"
+#include "MipsOs16.h"
+#include "MipsSEFrameLowering.h"
+#include "MipsSEInstrInfo.h"
+#include "MipsSEISelLowering.h"
+#include "MipsSEISelDAGToDAG.h"
+#include "Mips16FrameLowering.h"
+#include "Mips16HardFloat.h"
+#include "Mips16InstrInfo.h"
+#include "Mips16ISelDAGToDAG.h"
+#include "Mips16ISelLowering.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/PassManager.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
+
+
extern "C" void LLVMInitializeMipsTarget() {
// Register the target.
RegisterTargetMachine<MipsebTargetMachine> X(TheMipsTarget);
CodeGenOpt::Level OL,
bool isLittle)
: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
- Subtarget(TT, CPU, FS, isLittle, RM),
+ Subtarget(TT, CPU, FS, isLittle, RM, this),
DL(isLittle ?
(Subtarget.isABI_N64() ?
"e-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-"
"E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32-S64")),
InstrInfo(MipsInstrInfo::create(*this)),
FrameLowering(MipsFrameLowering::create(*this, Subtarget)),
- TLInfo(*this), TSInfo(*this), JITInfo(),
- STTI(&TLInfo), VTTI(&TLInfo) {
+ TLInfo(MipsTargetLowering::create(*this)),
+ TSInfo(*this), JITInfo() {
+ initAsmInfo();
+}
+
+
+void MipsTargetMachine::setHelperClassesMips16() {
+ InstrInfoSE.swap(InstrInfo);
+ FrameLoweringSE.swap(FrameLowering);
+ TLInfoSE.swap(TLInfo);
+ if (!InstrInfo16) {
+ InstrInfo.reset(MipsInstrInfo::create(*this));
+ FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget));
+ TLInfo.reset(MipsTargetLowering::create(*this));
+ } else {
+ InstrInfo16.swap(InstrInfo);
+ FrameLowering16.swap(FrameLowering);
+ TLInfo16.swap(TLInfo);
+ }
+ assert(TLInfo && "null target lowering 16");
+ assert(InstrInfo && "null instr info 16");
+ assert(FrameLowering && "null frame lowering 16");
}
+void MipsTargetMachine::setHelperClassesMipsSE() {
+ InstrInfo16.swap(InstrInfo);
+ FrameLowering16.swap(FrameLowering);
+ TLInfo16.swap(TLInfo);
+ if (!InstrInfoSE) {
+ InstrInfo.reset(MipsInstrInfo::create(*this));
+ FrameLowering.reset(MipsFrameLowering::create(*this, Subtarget));
+ TLInfo.reset(MipsTargetLowering::create(*this));
+ } else {
+ InstrInfoSE.swap(InstrInfo);
+ FrameLoweringSE.swap(FrameLowering);
+ TLInfoSE.swap(TLInfo);
+ }
+ assert(TLInfo && "null target lowering in SE");
+ assert(InstrInfo && "null instr info SE");
+ assert(FrameLowering && "null frame lowering SE");
+}
void MipsebTargetMachine::anchor() { }
MipsebTargetMachine::
return *getMipsTargetMachine().getSubtargetImpl();
}
+ virtual void addIRPasses();
virtual bool addInstSelector();
virtual bool addPreEmitPass();
};
return new MipsPassConfig(this, PM);
}
+void MipsPassConfig::addIRPasses() {
+ TargetPassConfig::addIRPasses();
+ if (getMipsSubtarget().os16())
+ addPass(createMipsOs16(getMipsTargetMachine()));
+ if (getMipsSubtarget().inMips16HardFloat())
+ addPass(createMips16HardFloat(getMipsTargetMachine()));
+}
// Install an instruction selector pass using
// the ISelDag to gen Mips code.
bool MipsPassConfig::addInstSelector() {
- addPass(createMipsISelDag(getMipsTargetMachine()));
+ if (getMipsSubtarget().allowMixed16_32()) {
+ addPass(createMipsModuleISelDag(getMipsTargetMachine()));
+ addPass(createMips16ISelDag(getMipsTargetMachine()));
+ addPass(createMipsSEISelDag(getMipsTargetMachine()));
+ } else {
+ addPass(createMipsISelDag(getMipsTargetMachine()));
+ }
return false;
}
+void MipsTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
+ if (Subtarget.allowMixed16_32()) {
+ DEBUG(errs() << "No ");
+ //FIXME: The Basic Target Transform Info
+ // pass needs to become a function pass instead of
+ // being an immutable pass and then this method as it exists now
+ // would be unnecessary.
+ PM.add(createNoTargetTransformInfoPass());
+ } else
+ LLVMTargetMachine::addAnalysisPasses(PM);
+ DEBUG(errs() << "Target Transform Info Pass Added\n");
+}
+
// Implemented by targets that want to run passes immediately before
// machine code is emitted. return true if -print-machineinstrs should
// print out the code after the passes.
bool MipsPassConfig::addPreEmitPass() {
MipsTargetMachine &TM = getMipsTargetMachine();
+ const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
addPass(createMipsDelaySlotFillerPass(TM));
- // NOTE: long branch has not been implemented for mips16.
- if (TM.getSubtarget<MipsSubtarget>().hasStandardEncoding())
+ if (Subtarget.hasStandardEncoding() ||
+ Subtarget.allowMixed16_32())
addPass(createMipsLongBranchPass(TM));
+ if (Subtarget.inMips16Mode() ||
+ Subtarget.allowMixed16_32())
+ addPass(createMipsConstantIslandPass(TM));
return true;
}