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Change this code ot pass register classes into the stack slot spiller/reloader

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code.  PrologEpilogInserter hasn't been updated yet though, so targets cannot
use this info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23536 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-09-30 01:29:00 +00:00
parent 294f41d5fc
commit bf9716b9c4
4 changed files with 19 additions and 11 deletions
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6
lib/CodeGen/PrologEpilogInserter.cpp
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@ -200,7 +200,8 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) {
MachineBasicBlock::iterator I = MBB->begin();
for (unsigned i = 0, e = RegsToSave.size(); i != e; ++i) {
// Insert the spill to the stack frame.
RegInfo->storeRegToStackSlot(*MBB, I, RegsToSave[i], StackSlots[i]);
RegInfo->storeRegToStackSlot(*MBB, I, RegsToSave[i], StackSlots[i],
0 /*FIXME*/);
}
// Add code to restore the callee-save registers in each exiting block.
@ -225,7 +226,8 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) {
// Restore all registers immediately before the return and any terminators
// that preceed it.
for (unsigned i = 0, e = RegsToSave.size(); i != e; ++i) {
RegInfo->loadRegFromStackSlot(*MBB, I, RegsToSave[i], StackSlots[i]);
RegInfo->loadRegFromStackSlot(*MBB, I, RegsToSave[i], StackSlots[i],
0 /*FIXME*/);
assert(I != MBB->begin() &&
"loadRegFromStackSlot didn't insert any code!");
// Insert in reverse order. loadRegFromStackSlot can insert multiple