Change weight into a float so that we can take into account the
nesting level when computing it. Right now the allocator uses:
w = sum_over_defs_uses( 10 ^ nesting level );
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10569 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.h b/lib/CodeGen/LiveIntervalAnalysis.h
index 7ef2e78..cecfbba 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.h
+++ b/lib/CodeGen/LiveIntervalAnalysis.h
@@ -38,8 +38,9 @@
typedef std::pair<unsigned, unsigned> Range;
typedef std::vector<Range> Ranges;
unsigned reg; // the register of this interval
- unsigned weight; // weight of this interval (number of uses)
- Ranges ranges; // the ranges this register is valid
+ float weight; // weight of this interval (number of uses
+ // * 10^loopDepth)
+ Ranges ranges; // the ranges this register is valid
Interval(unsigned r);