commit c9df025e33ac435adb3b3318d237c36ca7cec659
author Jakob Stoklund Olesen <stoklund@2pi.dk> Mon Jan 10 02:58:51 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Mon Jan 10 02:58:51 2011 +0000
tree 80a9dfcbb33fcfa3fbfdff2b2f9e6ba80ed170fc
parent fdc8f2d2604877d80f64e309d4b03ea67addf037

Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.

These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 21f7b51..370dd7b 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1458,7 +1458,7 @@
   int FI = INT_MAX;
   if (Arg.getOpcode() == ISD::CopyFromReg) {
     unsigned VR = cast<RegisterSDNode>(Arg.getOperand(1))->getReg();
-    if (!VR || TargetRegisterInfo::isPhysicalRegister(VR))
+    if (!TargetRegisterInfo::isVirtualRegister(VR))
       return false;
     MachineInstr *Def = MRI->getVRegDef(VR);
     if (!Def)