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Unified Diff: runtime/vm/compiler.cc

Issue 78733002: Generalize if-conversion to arbitrary smi comparisons. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 1 month ago
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Index: runtime/vm/compiler.cc
===================================================================
--- runtime/vm/compiler.cc (revision 30464)
+++ runtime/vm/compiler.cc (working copy)
@@ -370,7 +370,11 @@
DEBUG_ASSERT(flow_graph->VerifyUseLists());
// Do optimizations that depend on the propagated type information.
- optimizer.Canonicalize();
+ if (optimizer.Canonicalize()) {
+ // Invoke Canonicalize twice in order to fully canonicalize patterns
+ // like "if (a & const == 0) { }".
+ optimizer.Canonicalize();
+ }
DEBUG_ASSERT(flow_graph->VerifyUseLists());
BranchSimplifier::Simplify(flow_graph);
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