[llvm-commits] CVS: llvm/include/llvm/CodeGen/RegisterScavenging.h

[Evan Cheng]

Changes in directory llvm/include/llvm/CodeGen:

RegisterScavenging.h updated: 1.6 -> 1.7
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Log message:

Add a version of FindUnusedReg that restrict search to a specific set of registers.

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Diffs of the changes:  (+5 -0)

 RegisterScavenging.h |    5 +++++
 1 files changed, 5 insertions(+)


Index: llvm/include/llvm/CodeGen/RegisterScavenging.h
diff -u llvm/include/llvm/CodeGen/RegisterScavenging.h:1.6 llvm/include/llvm/CodeGen/RegisterScavenging.h:1.7
--- llvm/include/llvm/CodeGen/RegisterScavenging.h:1.6	Wed Feb 28 20:18:06 2007
+++ llvm/include/llvm/CodeGen/RegisterScavenging.h	Thu Mar  1 02:56:24 2007
@@ -78,6 +78,11 @@
   void setUnused(unsigned Reg)   { RegStates.set(Reg); }
   void setUnused(BitVector Regs) { RegStates |= Regs; }
 
+  /// FindUnusedReg - Find a unused register of the specified register class
+  /// from the specified set of registers. It return 0 is none is found.
+  unsigned FindUnusedReg(const TargetRegisterClass *RegClass,
+                         const BitVector &Candidates) const;
+
   /// FindUnusedReg - Find a unused register of the specified register class.
   /// Exclude callee saved registers if directed. It return 0 is none is found.
   unsigned FindUnusedReg(const TargetRegisterClass *RegClass,