#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Transforms/Scalar.h"
using namespace llvm;
"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(MipsTargetLowering::create(*this)),
- TSInfo(*this), JITInfo() {
+ TLInfo(MipsTargetLowering::create(*this)), TSInfo(*this),
+ InstrItins(Subtarget.getInstrItineraryData()), JITInfo() {
initAsmInfo();
}
class MipsPassConfig : public TargetPassConfig {
public:
MipsPassConfig(MipsTargetMachine *TM, PassManagerBase &PM)
- : TargetPassConfig(TM, PM) {}
+ : TargetPassConfig(TM, PM) {
+ // The current implementation of long branch pass requires a scratch
+ // register ($at) to be available before branch instructions. Tail merging
+ // can break this requirement, so disable it when long branch pass is
+ // enabled.
+ EnableTailMerge = !getMipsSubtarget().enableLongBranchPass();
+ }
MipsTargetMachine &getMipsTargetMachine() const {
return getTM<MipsTargetMachine>();
addPass(createMipsOs16(getMipsTargetMachine()));
if (getMipsSubtarget().inMips16HardFloat())
addPass(createMips16HardFloat(getMipsTargetMachine()));
+ addPass(createPartiallyInlineLibCallsPass());
}
// Install an instruction selector pass using
// the ISelDag to gen Mips code.
const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
addPass(createMipsDelaySlotFillerPass(TM));
- if (Subtarget.hasStandardEncoding() ||
- Subtarget.allowMixed16_32())
+ if (Subtarget.enableLongBranchPass())
addPass(createMipsLongBranchPass(TM));
if (Subtarget.inMips16Mode() ||
Subtarget.allowMixed16_32())