pkg/compiler/lib/src/cps_ir/type_propagation.dart - Issue 1444363002: dart2js cps: Global value numbering and loop-invariant code motion.

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Unified Diff: pkg/compiler/lib/src/cps_ir/type_propagation.dart

Issue 1444363002: dart2js cps: Global value numbering and loop-invariant code motion. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master

Patch Set: Rebase Created 5 years, 1 month ago

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Index: pkg/compiler/lib/src/cps_ir/type_propagation.dart

diff --git a/pkg/compiler/lib/src/cps_ir/type_propagation.dart b/pkg/compiler/lib/src/cps_ir/type_propagation.dart

index 25e9e102e378f385a8a32eb28a6d4ac7f5f7673b..68315eb518e9fdb2187afc1b9a0de2cac3d1822e 100644

--- a/pkg/compiler/lib/src/cps_ir/type_propagation.dart

+++ b/pkg/compiler/lib/src/cps_ir/type_propagation.dart

@@ -2972,6 +2972,7 @@ class TypePropagationVisitor implements Visitor {

@override

void visitGetIndex(GetIndex node) {

AbstractValue input = getValue(node.object.definition);

+ node.objectIsNotNull = input.isDefinitelyNotNull;

setValue(node, nonConstant(typeSystem.elementTypeOfIndexable(input.type)));

}