[LoongArch] Fix typo that SP should be R3 but not R2

2022-04-09 16:52:24 +08:00 · 2022-04-09 16:52:24 +08:00 · dd018b96d4
parent 64aff3632f
commit dd018b96d4
1 changed files with 2 additions and 1 deletions
--- a/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp
+++ b/llvm/lib/Target/LoongArch/MCTargetDesc/LoongArchMCTargetDesc.cpp
@ -59,7 +59,8 @@ static MCAsmInfo *createLoongArchMCAsmInfo(const MCRegisterInfo &MRI,
                                           const MCTargetOptions &Options) {
  MCAsmInfo *MAI = new LoongArchMCAsmInfo(TT);

-  MCRegister SP = MRI.getDwarfRegNum(LoongArch::R2, true);
+  // Initial state of the frame pointer is sp(r3).
+  MCRegister SP = MRI.getDwarfRegNum(LoongArch::R3, true);
  MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, SP, 0);
  MAI->addInitialFrameState(Inst);