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Delete all functions that are no longer needed in MipsFunctionInfo, including

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the ones that get or set the frame index for the $gp save slot. 

Remove the piece of code in MipsFunctionInfo::getGlobalBaseReg() which returns
GP. This function should always return a virtual register.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156695 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-05-12 03:22:13 +00:00
parent 93f0a823bf
commit 8f16ab5bab
2 changed files with 1 additions and 15 deletions
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7
lib/Target/Mips/MipsMachineFunction.cpp
View File

@ -22,10 +22,6 @@ static cl::opt<bool>
FixGlobalBaseReg("mips-fix-global-base-reg", cl::Hidden, cl::init(true),
cl::desc("Always use $gp as the global base register."));
bool MipsFunctionInfo::globalBaseRegFixed() const {
return FixGlobalBaseReg;
}
bool MipsFunctionInfo::globalBaseRegSet() const {
return GlobalBaseReg;
}
@ -37,9 +33,6 @@ unsigned MipsFunctionInfo::getGlobalBaseReg() {
const MipsSubtarget &ST = MF.getTarget().getSubtarget<MipsSubtarget>();
if (FixGlobalBaseReg && ST.isABI_O32()) // $gp is the global base register.
return GlobalBaseReg = Mips::GP;
const TargetRegisterClass *RC = ST.isABI_N64() ?
(const TargetRegisterClass*)&Mips::CPU64RegsRegClass :
(const TargetRegisterClass*)&Mips::CPURegsRegClass;

9
lib/Target/Mips/MipsMachineFunction.h
View File

@ -45,7 +45,6 @@ class MipsFunctionInfo : public MachineFunctionInfo {
// OutArgFIRange: Range of indices of all frame objects created during call to
// LowerCall except for the frame object for restoring $gp.
std::pair<int, int> InArgFIRange, OutArgFIRange;
int GPFI; // Index of the frame object for restoring $gp
mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
unsigned MaxCallFrameSize;
@ -55,7 +54,7 @@ public:
MipsFunctionInfo(MachineFunction& MF)
: MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0),
OutArgFIRange(std::make_pair(-1, 0)), DynAllocFI(0),
MaxCallFrameSize(0), EmitNOAT(false)
{}
@ -74,11 +73,6 @@ public:
OutArgFIRange.second = LastFI;
}
int getGPFI() const { return GPFI; }
void setGPFI(int FI) { GPFI = FI; }
bool needGPSaveRestore() const { return getGPFI(); }
bool isGPFI(int FI) const { return GPFI && GPFI == FI; }
// The first call to this function creates a frame object for dynamically
// allocated stack area.
int getDynAllocFI() const {
@ -92,7 +86,6 @@ public:
unsigned getSRetReturnReg() const { return SRetReturnReg; }
void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
bool globalBaseRegFixed() const;
bool globalBaseRegSet() const;
unsigned getGlobalBaseReg();