Refactor away tSpill and tRestore pseudos in ARM backend.

The tSpill and tRestore instructions are just copies of the tSTRspi and
tLDRspi instructions, respectively. Just use those directly instead.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134092 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 6a6ba92..9f56637 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -792,7 +792,7 @@
     break;
   case ARM::STRi12:
   case ARM::t2STRi12:
-  case ARM::tSpill:
+  case ARM::tSTRspi:
   case ARM::VSTRD:
   case ARM::VSTRS:
     if (MI->getOperand(1).isFI() &&
@@ -927,7 +927,7 @@
     break;
   case ARM::LDRi12:
   case ARM::t2LDRi12:
-  case ARM::tRestore:
+  case ARM::tLDRspi:
   case ARM::VLDRD:
   case ARM::VLDRS:
     if (MI->getOperand(1).isFI() &&