// The stack is always 8 byte aligned
// On function prologue, the stack is created by decrementing
// its pointer. Once decremented, all references are done with positive
-// offset from the stack/frame pointer, using StackGrowsUp enables
+// offset from the stack/frame pointer, using StackGrowsUp enables
// an easier handling.
// Using CodeModel::Large enables different CALL behavior.
MipsTargetMachine::
MipsTargetMachine(const Target &T, const std::string &TT, const std::string &FS,
bool isLittle=false):
LLVMTargetMachine(T, TT),
- Subtarget(TT, FS, isLittle),
- DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32-n32") :
- std::string("E-p:32:32:32-i8:8:32-i16:16:32-n32")),
- InstrInfo(*this),
- FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
- TLInfo(*this) {
+ Subtarget(TT, FS, isLittle),
+ DataLayout(isLittle ?
+ std::string("e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") :
+ std::string("E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")),
+ InstrInfo(*this),
+ FrameLowering(Subtarget),
+ TLInfo(*this), TSInfo(*this) {
// Abicall enables PIC by default
if (getRelocationModel() == Reloc::Default) {
if (Subtarget.isABI_O32())
const std::string &FS) :
MipsTargetMachine(T, TT, FS, true) {}
-// Install an instruction selector pass using
+// Install an instruction selector pass using
// the ISelDag to gen Mips code.
bool MipsTargetMachine::
-addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
+addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsISelDag(*this));
return false;
}
-// Implemented by targets that want to run passes immediately before
-// machine code is emitted. return true if -print-machineinstrs should
+// 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 MipsTargetMachine::
-addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
+addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
{
PM.add(createMipsDelaySlotFillerPass(*this));
return true;
}
+
+bool MipsTargetMachine::
+addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+ PM.add(createMipsEmitGPRestorePass(*this));
+ return true;
+}
+
+bool MipsTargetMachine::
+addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+ PM.add(createMipsExpandPseudoPass(*this));
+ return true;
+}