Reloc::Model RM, CodeModel::Model CM,
CodeGenOpt::Level OL, bool isLittle)
: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
- Subtarget(TT, CPU, FS, isLittle, RM, this) {
+ Subtarget(nullptr), DefaultSubtarget(TT, CPU, FS, isLittle, this),
+ NoMips16Subtarget(TT, CPU, FS.empty() ? "-mips16" : FS.str() + ",-mips16",
+ isLittle, this),
+ Mips16Subtarget(TT, CPU, FS.empty() ? "+mips16" : FS.str() + ",+mips16",
+ isLittle, this) {
+ Subtarget = &DefaultSubtarget;
initAsmInfo();
}
CodeGenOpt::Level OL)
: MipsTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
+void MipsTargetMachine::resetSubtarget(MachineFunction *MF) {
+ DEBUG(dbgs() << "resetSubtarget\n");
+ AttributeSet FnAttrs = MF->getFunction()->getAttributes();
+ bool Mips16Attr = FnAttrs.hasAttribute(AttributeSet::FunctionIndex, "mips16");
+ bool NoMips16Attr =
+ FnAttrs.hasAttribute(AttributeSet::FunctionIndex, "nomips16");
+ assert(!(Mips16Attr && NoMips16Attr) &&
+ "mips16 and nomips16 specified on the same function");
+ if (Mips16Attr)
+ Subtarget = &Mips16Subtarget;
+ else if (NoMips16Attr)
+ Subtarget = &NoMips16Subtarget;
+ else
+ Subtarget = &DefaultSubtarget;
+ MF->setSubtarget(Subtarget);
+ return;
+}
+
namespace {
/// Mips Code Generator Pass Configuration Options.
class MipsPassConfig : public TargetPassConfig {
addPass(createMipsOs16(getMipsTargetMachine()));
if (getMipsSubtarget().inMips16HardFloat())
addPass(createMips16HardFloat(getMipsTargetMachine()));
- addPass(createPartiallyInlineLibCallsPass());
}
// Install an instruction selector pass using
// the ISelDag to gen Mips code.
bool MipsPassConfig::addInstSelector() {
- if (getMipsSubtarget().allowMixed16_32()) {
- addPass(createMipsModuleISelDag(getMipsTargetMachine()));
- addPass(createMips16ISelDag(getMipsTargetMachine()));
- addPass(createMipsSEISelDag(getMipsTargetMachine()));
- } else {
- addPass(createMipsISelDag(getMipsTargetMachine()));
- }
+ addPass(createMipsModuleISelDag(getMipsTargetMachine()));
+ addPass(createMips16ISelDag(getMipsTargetMachine()));
+ addPass(createMipsSEISelDag(getMipsTargetMachine()));
return false;
}
}
void MipsTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
- if (Subtarget.allowMixed16_32()) {
+ if (Subtarget->allowMixed16_32()) {
DEBUG(errs() << "No ");
//FIXME: The Basic Target Transform Info
// pass needs to become a function pass instead of
// print out the code after the passes.
bool MipsPassConfig::addPreEmitPass() {
MipsTargetMachine &TM = getMipsTargetMachine();
- const MipsSubtarget &Subtarget = TM.getSubtarget<MipsSubtarget>();
addPass(createMipsDelaySlotFillerPass(TM));
-
- if (Subtarget.enableLongBranchPass())
- addPass(createMipsLongBranchPass(TM));
- if (Subtarget.inMips16Mode() ||
- Subtarget.allowMixed16_32())
- addPass(createMipsConstantIslandPass(TM));
-
+ addPass(createMipsLongBranchPass(TM));
+ addPass(createMipsConstantIslandPass(TM));
return true;
}
-
-bool MipsTargetMachine::addCodeEmitter(PassManagerBase &PM,
- JITCodeEmitter &JCE) {
- // Machine code emitter pass for Mips.
- PM.add(createMipsJITCodeEmitterPass(*this, JCE));
- return false;
-}