[llvm-commits] CVS: llvm/include/llvm/Target/MRegisterInfo.h

[Alkis Evlogimenos]

Changes in directory llvm/include/llvm/Target:

MRegisterInfo.h updated: 1.35 -> 1.36

---
Log message:

Add assert to isPhysicalRegister and isVirtualRegister to fail when
passed the special 'register' 0.


---
Diffs of the changes:  (+2 -0)

Index: llvm/include/llvm/Target/MRegisterInfo.h
diff -u llvm/include/llvm/Target/MRegisterInfo.h:1.35 llvm/include/llvm/Target/MRegisterInfo.h:1.36
--- llvm/include/llvm/Target/MRegisterInfo.h:1.35	Wed Feb 25 15:55:45 2004
+++ llvm/include/llvm/Target/MRegisterInfo.h	Wed Feb 25 16:04:28 2004
@@ -141,12 +141,14 @@
   /// isPhysicalRegister - Return true if the specified register number is in
   /// the physical register namespace.
   static bool isPhysicalRegister(unsigned Reg) {
+    assert(Reg && "this is not a register!";
     return Reg < FirstVirtualRegister;
   }
 
   /// isVirtualRegister - Return true if the specified register number is in
   /// the virtual register namespace.
   static bool isVirtualRegister(unsigned Reg) {
+    assert(Reg && "this is not a register!";
     return Reg >= FirstVirtualRegister;
   }