Instead of searching for a live interval pair, search for a location. This gives
a very modest speedup of .3 seconds compiling 176.gcc (out of 20s).
llvm-svn: 15136
diff --git a/llvm/lib/CodeGen/LiveInterval.h b/llvm/lib/CodeGen/LiveInterval.h
index 33bc036..d25f7e3 100644
--- a/llvm/lib/CodeGen/LiveInterval.h
+++ b/llvm/lib/CodeGen/LiveInterval.h
@@ -47,6 +47,11 @@
};
std::ostream& operator<<(std::ostream& os, const LiveRange &LR);
+ inline bool operator<(unsigned V, const LiveRange &LR) {
+ return V < LR.start;
+ }
+
+
/// LiveInterval - This class represents some number of live ranges for a
/// register or value. This class also contains a bit of register allocator
/// state.