lib/compiler/implementation/ssa/bailout.dart - Issue 10098001: Refactor type propagation.

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Unified Diff: lib/compiler/implementation/ssa/bailout.dart

Issue 10098001: Refactor type propagation. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Fix type for null and update tests. Created 8 years, 8 months ago

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Index: lib/compiler/implementation/ssa/bailout.dart

diff --git a/lib/compiler/implementation/ssa/bailout.dart b/lib/compiler/implementation/ssa/bailout.dart

index c1c814d51bcd81ed725605a005a61ac0da8f4e2d..9828599d4922f6b635f44c2bf4ac31e9429c3b45 100644

--- a/lib/compiler/implementation/ssa/bailout.dart

+++ b/lib/compiler/implementation/ssa/bailout.dart

@@ -276,7 +276,9 @@ class SsaTypeGuardBuilder extends HBaseVisitor implements OptimizationPhase {

}

bool shouldCaptureEnvironment(HInstruction instruction) {

- return instruction.type.isKnown() && !instruction.hasExpectedType();

+ HType propagatedType = instruction.propagatedType;

+ return propagatedType.isUseful()

+ && propagatedType != instruction.computeTypeFromInputTypes();

}

void insertCapturedEnvironments() {