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

[Evan Cheng]

Changes in directory llvm/include/llvm/CodeGen:

LiveVariables.h updated: 1.35 -> 1.36
---
Log message:

Track the BB's where each virtual register is used.

---
Diffs of the changes:  (+6 -0)

 LiveVariables.h |    6 ++++++
 1 files changed, 6 insertions(+)


Index: llvm/include/llvm/CodeGen/LiveVariables.h
diff -u llvm/include/llvm/CodeGen/LiveVariables.h:1.35 llvm/include/llvm/CodeGen/LiveVariables.h:1.36
--- llvm/include/llvm/CodeGen/LiveVariables.h:1.35	Mon Feb 19 15:49:53 2007
+++ llvm/include/llvm/CodeGen/LiveVariables.h	Sat Mar 17 04:29:54 2007
@@ -79,6 +79,10 @@
     ///
     BitVector AliveBlocks;
 
+    /// UsedBlocks - Set of blocks of which this value is actually used. This
+    /// is a bit set which uses the basic block number as an index.
+    BitVector UsedBlocks;
+
     /// Kills - List of MachineInstruction's which are the last use of this
     /// virtual register (kill it) in their basic block.
     ///
@@ -116,6 +120,8 @@
   BitVector ReservedRegisters;
 
 private:   // Intermediate data structures
+  MachineFunction *MF;
+
   const MRegisterInfo *RegInfo;
 
   MachineInstr **PhysRegInfo;