Desugar bitwise negation into XOR and kill all UnaryOp stuff.

src/hydrogen-uint32-analysis.cc

Index: src/hydrogen-uint32-analysis.cc
diff --git a/src/hydrogen-uint32-analysis.cc b/src/hydrogen-uint32-analysis.cc
index 67219f55dff778f78e9c4a02205cf6064ebdfe64..91fe193ebb967564fa4a0f77fd86ad61c21179be 100644
--- a/src/hydrogen-uint32-analysis.cc
+++ b/src/hydrogen-uint32-analysis.cc
@@ -36,8 +36,7 @@ bool HUint32AnalysisPhase::IsSafeUint32Use(HValue* val, HValue* use) {
   if (use->IsBitwise() ||

[Michael Starzinger, 2013/08/06 08:12:06]

nit: Condition should fit into one line now.

[Sven Panne, 2013/08/06 13:33:38]

Done.

       use->IsShl() ||
       use->IsSar() ||
-      use->IsShr() ||
-      use->IsBitNot()) {
+      use->IsShr()) {
     return true;
   } else if (use->IsChange() || use->IsSimulate()) {
     // Conversions and deoptimization have special support for unt32.