[llvm] r222379 - Introduce register dump helper

[Matthias Braun]

Author: matze
Date: Wed Nov 19 13:46:11 2014
New Revision: 222379

URL: http://llvm.org/viewvc/llvm-project?rev=222379&view=rev
Log:
Introduce register dump helper

Modified:
    llvm/trunk/include/llvm/Target/TargetRegisterInfo.h
    llvm/trunk/lib/CodeGen/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=222379&r1=222378&r2=222379&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetRegisterInfo.h (original)
+++ llvm/trunk/include/llvm/Target/TargetRegisterInfo.h Wed Nov 19 13:46:11 2014
@@ -502,6 +502,10 @@ public:
     return composeSubRegIndicesImpl(a, b);
   }
 
+  /// Debugging helper: dump register in human readable form to dbgs() stream.
+  static void dumpReg(unsigned Reg, unsigned SubRegIndex = 0,
+                      const TargetRegisterInfo* TRI = nullptr);
+
 protected:
   /// Overridden by TableGen in targets that have sub-registers.
   virtual unsigned composeSubRegIndicesImpl(unsigned, unsigned) const {

Modified: llvm/trunk/lib/CodeGen/TargetRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TargetRegisterInfo.cpp?rev=222379&r1=222378&r2=222379&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TargetRegisterInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/TargetRegisterInfo.cpp Wed Nov 19 13:46:11 2014
@@ -16,6 +16,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/VirtRegMap.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
@@ -293,3 +294,11 @@ TargetRegisterInfo::getRegAllocationHint
   // All clear, tell the register allocator to prefer this register.
   Hints.push_back(Phys);
 }
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+void
+TargetRegisterInfo::dumpReg(unsigned Reg, unsigned SubRegIndex,
+                            const TargetRegisterInfo *TRI) {
+  dbgs() << PrintReg(Reg, TRI, SubRegIndex) << "\n";
+}
+#endif