Update Thumb1 storeRegToStackSlot() and loadRegFromStackSlot() to properly

handle physical registers R0-R7 when described as having a non-tGPR register
class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93564 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/Thumb1InstrInfo.cpp b/lib/Target/ARM/Thumb1InstrInfo.cpp
index e8753948fdc99ad4f881fa0f9a23dffddec457ab..7f42c82abe9972cb1caf02e07b98f8b11c105c3a 100644 (file)
--- a/lib/Target/ARM/Thumb1InstrInfo.cpp
+++ b/lib/Target/ARM/Thumb1InstrInfo.cpp
@@ -105,7 +105,9 @@ storeRegToStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
           (TargetRegisterInfo::isPhysicalRegister(SrcReg) &&
            isARMLowRegister(SrcReg))) && "Unknown regclass!");
 
-  if (RC == ARM::tGPRRegisterClass) {
+  if (RC == ARM::tGPRRegisterClass ||
+      (TargetRegisterInfo::isPhysicalRegister(SrcReg) &&
+       isARMLowRegister(SrcReg))) {
     MachineFunction &MF = *MBB.getParent();
     MachineFrameInfo &MFI = *MF.getFrameInfo();
     MachineMemOperand *MMO =
@@ -130,7 +132,9 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
           (TargetRegisterInfo::isPhysicalRegister(DestReg) &&
            isARMLowRegister(DestReg))) && "Unknown regclass!");
 
-  if (RC == ARM::tGPRRegisterClass) {
+  if (RC == ARM::tGPRRegisterClass ||
+      (TargetRegisterInfo::isPhysicalRegister(DestReg) &&
+       isARMLowRegister(DestReg))) {
     MachineFunction &MF = *MBB.getParent();
     MachineFrameInfo &MFI = *MF.getFrameInfo();
     MachineMemOperand *MMO =