[llvm-commits] [llvm] r121780 - in /llvm/trunk: include/llvm/Target/TargetRegisterInfo.h lib/Target/TargetRegisterInfo.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Dec 14 12:53:39 2010
New Revision: 121780

URL: http://llvm.org/viewvc/llvm-project?rev=121780&view=rev
Log:
Add TargetRegisterInfo::printReg() to pretty-print registers.

Modified:
    llvm/trunk/include/llvm/Target/TargetRegisterInfo.h
    llvm/trunk/lib/Target/TargetRegisterInfo.cpp

Modified: llvm/trunk/include/llvm/Target/TargetRegisterInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetRegisterInfo.h?rev=121780&r1=121779&r2=121780&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetRegisterInfo.h (original)
+++ llvm/trunk/include/llvm/Target/TargetRegisterInfo.h Tue Dec 14 12:53:39 2010
@@ -29,6 +29,7 @@
 class MachineMove;
 class RegScavenger;
 template<class T> class SmallVectorImpl;
+class raw_ostream;
 
 /// TargetRegisterDesc - This record contains all of the information known about
 /// a particular register.  The AliasSet field (if not null) contains a pointer
@@ -321,6 +322,9 @@
     return Reg >= FirstVirtualRegister;
   }
 
+  /// printReg - Print a virtual or physical register on OS.
+  void printReg(unsigned Reg, raw_ostream &OS) const;
+
   /// getMinimalPhysRegClass - Returns the Register Class of a physical
   /// register of the given type, picking the most sub register class of
   /// the right type that contains this physreg.

Modified: llvm/trunk/lib/Target/TargetRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetRegisterInfo.cpp?rev=121780&r1=121779&r2=121780&view=diff
==============================================================================
--- llvm/trunk/lib/Target/TargetRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/TargetRegisterInfo.cpp Tue Dec 14 12:53:39 2010
@@ -17,6 +17,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/ADT/BitVector.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -39,6 +40,13 @@
 
 TargetRegisterInfo::~TargetRegisterInfo() {}
 
+void TargetRegisterInfo::printReg(unsigned Reg, raw_ostream &OS) const {
+  if (Reg && isVirtualRegister(Reg))
+    OS << "%reg" << Reg;
+  else
+    OS << '%' << getName(Reg);
+}
+
 /// getMinimalPhysRegClass - Returns the Register Class of a physical
 /// register of the given type, picking the most sub register class of
 /// the right type that contains this physreg.