sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart - Issue 417043003: Implement shrinking reductions in CPS IR

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Unified Diff: sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart

Issue 417043003: Implement shrinking reductions in CPS IR (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Addressed comments, fixed several bugs exposed by later commits Created 6 years, 4 months ago

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« sdk/lib/_internal/compiler/implementation/cps_ir/shrinking_reductions.dart ('K') | « sdk/lib/_internal/compiler/implementation/cps_ir/shrinking_reductions.dart ('k') | tests/compiler/dart2js/backend_dart/opt_shrinking_test.dart » ('j') | no next file with comments »
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Index: sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart

diff --git a/sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart b/sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart

index 92c0156325d3392253a5ee2faa22db0d9f4d731c..76dd8119c2b38998e209a43197e034ab1eaba3bf 100644

--- a/sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart

+++ b/sdk/lib/_internal/compiler/implementation/dart_backend/backend.dart

@@ -231,6 +231,8 @@ class DartBackend extends Backend {

new RedundantPhiEliminator().rewrite(function);

compiler.tracer.traceCompilation(element.name, null, compiler);

compiler.tracer.traceGraph("Redundant phi elimination", function);

+ new ShrinkingReducer().rewrite(function);

+ compiler.tracer.traceGraph("Shrinking reductions", function);

// Do not rewrite the IR after variable allocation. Allocation

// makes decisions based on an approximation of IR variable live

// ranges that can be invalidated by transforming the IR.