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Rename function. It's determining which callee-save registers to save.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30616 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-09-26 22:29:31 +00:00
parent 16113431e8
commit 692d4e0823
1 changed files with 7 additions and 7 deletions
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14
lib/CodeGen/PrologEpilogInserter.cpp
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@ -43,11 +43,11 @@ namespace {
Fn.getFrameInfo()->setMachineDebugInfo(DI); Fn.getFrameInfo()->setMachineDebugInfo(DI);
} }
// Scan the function for modified caller saved registers and insert spill // Scan the function for modified callee saved registers and insert spill
// code for any caller saved registers that are modified. Also calculate // code for any callee saved registers that are modified. Also calculate
// the MaxCallFrameSize and HasCalls variables for the function's frame // the MaxCallFrameSize and HasCalls variables for the function's frame
// information and eliminates call frame pseudo instructions. // information and eliminates call frame pseudo instructions.
calculateCallerSavedRegisters(Fn); calculateCalleeSavedRegisters(Fn);
// Add the code to save and restore the caller saved registers // Add the code to save and restore the caller saved registers
saveCallerSavedRegisters(Fn); saveCallerSavedRegisters(Fn);
@ -61,7 +61,7 @@ namespace {
// Add prolog and epilog code to the function. This function is required // Add prolog and epilog code to the function. This function is required
// to align the stack frame as necessary for any stack variables or // to align the stack frame as necessary for any stack variables or
// called functions. Because of this, calculateCallerSavedRegisters // called functions. Because of this, calculateCalleeSavedRegisters
// must be called before this function in order to set the HasCalls // must be called before this function in order to set the HasCalls
// and MaxCallFrameSize variables. // and MaxCallFrameSize variables.
insertPrologEpilogCode(Fn); insertPrologEpilogCode(Fn);
@ -75,7 +75,7 @@ namespace {
} }
private: private:
void calculateCallerSavedRegisters(MachineFunction &Fn); void calculateCalleeSavedRegisters(MachineFunction &Fn);
void saveCallerSavedRegisters(MachineFunction &Fn); void saveCallerSavedRegisters(MachineFunction &Fn);
void calculateFrameObjectOffsets(MachineFunction &Fn); void calculateFrameObjectOffsets(MachineFunction &Fn);
void replaceFrameIndices(MachineFunction &Fn); void replaceFrameIndices(MachineFunction &Fn);
@ -90,12 +90,12 @@ namespace {
FunctionPass *llvm::createPrologEpilogCodeInserter() { return new PEI(); } FunctionPass *llvm::createPrologEpilogCodeInserter() { return new PEI(); }
/// calculateCallerSavedRegisters - Scan the function for modified caller saved /// calculateCalleeSavedRegisters - Scan the function for modified caller saved
/// registers. Also calculate the MaxCallFrameSize and HasCalls variables for /// registers. Also calculate the MaxCallFrameSize and HasCalls variables for
/// the function's frame information and eliminates call frame pseudo /// the function's frame information and eliminates call frame pseudo
/// instructions. /// instructions.
/// ///
void PEI::calculateCallerSavedRegisters(MachineFunction &Fn) { void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) {
const MRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo(); const MRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo();
const TargetFrameInfo *TFI = Fn.getTarget().getFrameInfo(); const TargetFrameInfo *TFI = Fn.getTarget().getFrameInfo();