From: Chris Lattner <sabre@nondot.org>
Date: Sat, 31 Jan 2004 19:57:11 +0000 (+0000)
Subject: Add two static methods to avoid having client code explicitly compare against
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd490d919bd36d2ab956031b524a55dd8519eb64;p=oota-llvm.git

Add two static methods to avoid having client code explicitly compare against
FirstVirtualRegister


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11031 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h
index 3217b47b729..3d67d8c4091 100644
--- a/include/llvm/Target/MRegisterInfo.h
+++ b/include/llvm/Target/MRegisterInfo.h
@@ -136,6 +136,18 @@ public:
     FirstVirtualRegister = 1024,
   };
 
+  /// isPhysicalRegister - Return true if the specified register number is in
+  /// the physical register namespace.
+  static bool isPhysicalRegister(unsigned Reg) {
+    return Reg < FirstVirtualRegister;
+  }
+
+  /// isVirtualRegister - Return true if the specified register number is in
+  /// the virtual register namespace.
+  static bool isVirtualRegister(unsigned Reg) {
+    return Reg >= FirstVirtualRegister;
+  }
+
   const MRegisterDesc &operator[](unsigned RegNo) const {
     assert(RegNo < NumRegs &&
            "Attempting to access record for invalid register number!");