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Move hasFP() and few related hooks to TargetFrameInfo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119740 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2010-11-18 21:19:35 +00:00
parent b9064bb964
commit d0c3817669
68 changed files with 492 additions and 461 deletions
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16
lib/Target/Mips/MipsRegisterInfo.cpp
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@@ -117,8 +117,7 @@ getCalleeSavedRegs(const MachineFunction *MF) const
}
BitVector MipsRegisterInfo::
getReservedRegs(const MachineFunction &MF) const
{
getReservedRegs(const MachineFunction &MF) const {
BitVector Reserved(getNumRegs());
Reserved.set(Mips::ZERO);
Reserved.set(Mips::AT);
@@ -137,15 +136,6 @@ getReservedRegs(const MachineFunction &MF) const
return Reserved;
}
// hasFP - Return true if the specified function should have a dedicated frame
// pointer register. This is true if the function has variable sized allocas or
// if frame pointer elimination is disabled.
bool MipsRegisterInfo::
hasFP(const MachineFunction &MF) const {
const MachineFrameInfo *MFI = MF.getFrameInfo();
return DisableFramePointerElim(MF) || MFI->hasVarSizedObjects();
}
// This function eliminate ADJCALLSTACKDOWN,
// ADJCALLSTACKUP pseudo instructions
void MipsRegisterInfo::
@@ -209,7 +199,9 @@ getRARegister() const {
unsigned MipsRegisterInfo::
getFrameRegister(const MachineFunction &MF) const {
return hasFP(MF) ? Mips::FP : Mips::SP;
const TargetFrameInfo *TFI = MF.getTarget().getFrameInfo();
return TFI->hasFP(MF) ? Mips::FP : Mips::SP;
}
unsigned MipsRegisterInfo::