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

[Evan Cheng]

Changes in directory llvm/include/llvm/Target:

MRegisterInfo.h updated: 1.90 -> 1.91
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Log message:

Use BitVector instead of vector<bool> which can be extremely slow.

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Diffs of the changes:  (+2 -1)

 MRegisterInfo.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)


Index: llvm/include/llvm/Target/MRegisterInfo.h
diff -u llvm/include/llvm/Target/MRegisterInfo.h:1.90 llvm/include/llvm/Target/MRegisterInfo.h:1.91
--- llvm/include/llvm/Target/MRegisterInfo.h:1.90	Wed Jan 31 23:32:05 2007
+++ llvm/include/llvm/Target/MRegisterInfo.h	Wed Feb 14 23:57:14 2007
@@ -30,6 +30,7 @@
 class MachineMove;
 class TargetRegisterClass;
 class CalleeSavedInfo;
+class BitVector;
 
 /// TargetRegisterDesc - This record contains all of the information known about
 /// a particular register.  The AliasSet field (if not null) contains a pointer
@@ -240,7 +241,7 @@
 
   /// getAllocatableSet - Returns a bitset indexed by register number
   /// indicating if a register is allocatable or not.
-  std::vector<bool> getAllocatableSet(MachineFunction &MF) const;
+  BitVector getAllocatableSet(MachineFunction &MF) const;
 
   const TargetRegisterDesc &operator[](unsigned RegNo) const {
     assert(RegNo < NumRegs &&