lib/compiler/implementation/ssa/optimize.dart - Issue 10704229: Fix loop-invariant code motion.

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

Issue 10704229: Fix loop-invariant code motion. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: rebase Created 8 years, 5 months ago

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

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

index d8150137da83a7d73ad5476085d756cbc3c168f6..3245032367aa2fd1a21e06778c3b72451ab91be8 100644

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

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

@@ -886,6 +886,11 @@ class SsaGlobalValueNumberer implements OptimizationPhase {

preheader.moveAtExit(instruction);

}

+ int oldChangesFlags = changesFlags;

+ changesFlags |= instruction.getChangesFlags();

+ if (oldChangesFlags != changesFlags) {

+ dependsFlags = HInstruction.computeDependsOnFlags(changesFlags);

+ }

instruction = next;

}

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