From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 7 Feb 2007 21:44:33 +0000 (+0000)
Subject: isLowRegister() expects input is a physical register.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=bd8251a9a6d4f90065b52e04d15120bc111e56aa;p=oota-llvm.git

isLowRegister() expects input is a physical register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34013 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMRegisterInfo.cpp b/lib/Target/ARM/ARMRegisterInfo.cpp
index d7e8674763a..a96be563846 100644
--- a/lib/Target/ARM/ARMRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMRegisterInfo.cpp
@@ -218,14 +218,14 @@ MachineInstr *ARMRegisterInfo::foldMemoryOperand(MachineInstr *MI,
   case ARM::tMOVrr: {
     if (OpNum == 0) { // move -> store
       unsigned SrcReg = MI->getOperand(1).getReg();
-      if (!isLowRegister(SrcReg))
+      if (isPhysicalRegister(SrcReg) && !isLowRegister(SrcReg))
         // tSpill cannot take a high register operand.
         break;
       NewMI = BuildMI(TII.get(ARM::tSpill)).addReg(SrcReg).addFrameIndex(FI)
         .addImm(0);
     } else {          // move -> load
       unsigned DstReg = MI->getOperand(0).getReg();
-      if (!isLowRegister(DstReg))
+      if (isPhysicalRegister(DstReg) && !isLowRegister(DstReg))
         // tRestore cannot target a high register operand.
         break;
       NewMI = BuildMI(TII.get(ARM::tRestore), DstReg).addFrameIndex(FI)