- Clean up some crappy code which deals with coalescing of copies which look at

  extract_subreg / insert_subreg, etc.
- Add support for more aggressive insert_subreg coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101971 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index 8ddcac7..351217c 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -111,6 +111,12 @@ namespace llvm {
     double getScaledIntervalSize(LiveInterval& I) {
       return (1000.0 * I.getSize()) / indexes_->getIndexesLength();
     }
+
+    /// getFuncInstructionCount - Return the number of instructions in the
+    /// current function.
+    unsigned getFuncInstructionCount() {
+      return indexes_->getFunctionSize();
+    }
     
     /// getApproximateInstructionCount - computes an estimate of the number
     /// of instructions in a given LiveInterval.