runtime/vm/compiler.cc - Issue 78733002: Generalize if-conversion to arbitrary smi comparisons.

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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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