Displaying 4 results from an estimated 4 matches for "tii_".
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tii
2009 Jul 17
2
[LLVMdev] Bug in LiveIntervals? Please Examine
...MI->getParent();
if (RMBB == MBB)
continue;
const TargetRegisterClass* RC = mri_->getRegClass(Reg);
unsigned NewVReg = mri_->createVirtualRegister(RC);
MachineInstrBuilder MIB =
BuildMI(*RMBB, RMI, RMI->getDebugLoc(),
tii_->get(TargetInstrInfo::IMPLICIT_DEF), NewVReg);
(*MIB).getOperand(0).setIsUndef();
RMO.setReg(NewVReg);
RMO.setIsUndef();
RMO.setIsKill();
}
Souldn't there be a call to vrm.grow() after each call to
mri->createVirtualRegister()?...
2009 Jul 17
0
[LLVMdev] Bug in LiveIntervals? Please Examine
...if (RMBB == MBB)
> continue;
> const TargetRegisterClass* RC = mri_->getRegClass(Reg);
> unsigned NewVReg = mri_->createVirtualRegister(RC);
> MachineInstrBuilder MIB =
> BuildMI(*RMBB, RMI, RMI->getDebugLoc(),
> tii_->get(TargetInstrInfo::IMPLICIT_DEF), NewVReg);
> (*MIB).getOperand(0).setIsUndef();
> RMO.setReg(NewVReg);
> RMO.setIsUndef();
> RMO.setIsKill();
> }
>
> Souldn't there be a call to vrm.grow() after each call to
> mri->createVirtual...
2008 Oct 08
1
[LLVMdev] Getting target machine specific information at run-time
...ompilation by doing
> > --march=sparc or --march=alpha.
>
> I did the once-per-module solution to this exact problem. Here's what it
> looks like:
>
> class RA {
> const TargetMachine* tm_;
> const TargetRegisterInfo* tri_;
> const TargetInstrInfo * tii_;
> [...]
> bool RA::runOnMachineFunction(MachineFunction &fn) {
> mf_ = &fn;
> tm_ = &fn.getTarget();
> tri_ = tm_->getRegisterInfo();
> tii_ = tm_->getInstrInfo();
>
> if (!initialized) {
> build_class_tree();
> initialized = true;...
2008 Oct 07
2
[LLVMdev] Getting target machine specific information at run-time
Hi,
I'm playing with some experimental register allocators for LLVM. One of them needs to build a so-called register
class tree for representing the aliasing information among register classes.
This tree is not function or module specific. It is actually target specific, because it depends only
on the register classes defined for a machine that is used as a target of the current compilation.