Try harder to get a consistent floating point results.

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGBuilder.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index b1d247e74fd329bd1227e90f4065f033060f5e63..34b7df59acd073d95bfce0e6522dabd9c4b81e78 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2351,7 +2351,7 @@ bool SelectionDAGBuilder::handleBTSplitSwitchCase(CaseRec& CR,
     volatile double RDensity =
       (double)RSize.roundToDouble() /
                            (Last - RBegin + 1ULL).roundToDouble();
-    double Metric = Range.logBase2()*(LDensity+RDensity);
+    volatile double Metric = Range.logBase2()*(LDensity+RDensity);
     // Should always split in some non-trivial place
     DEBUG(dbgs() <<"=>Step\n"
                  << "LEnd: " << LEnd << ", RBegin: " << RBegin << '\n'