Move isLoadFrom/StoreToStackSlot from MRegisterInfo to TargetInstrInfo,a far more logical place. Other methods should also be moved if anyoneis interested. :)
llvm-svn: 25913
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index f1cd9f56..322d027 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -79,6 +79,25 @@
return false;
}
+unsigned PPCInstrInfo::isLoadFromStackSlot(MachineInstr *MI,
+ int &FrameIndex) const {
+ switch (MI->getOpcode()) {
+ default: break;
+ case PPC::LD:
+ case PPC::LWZ:
+ case PPC::LFS:
+ case PPC::LFD:
+ if (MI->getOperand(1).isImmediate() && !MI->getOperand(1).getImmedValue() &&
+ MI->getOperand(2).isFrameIndex()) {
+ FrameIndex = MI->getOperand(2).getFrameIndex();
+ return MI->getOperand(0).getReg();
+ }
+ break;
+ }
+ return 0;
+ }
+
+
// commuteInstruction - We can commute rlwimi instructions, but only if the
// rotate amt is zero. We also have to munge the immediates a bit.
MachineInstr *PPCInstrInfo::commuteInstruction(MachineInstr *MI) const {