runtime/vm/intermediate_language_x64.cc - Issue 662543003: VM: Avoid repeated deoptimizations from hoisted array bounds checks.

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Unified Diff: runtime/vm/intermediate_language_x64.cc

Issue 662543003: VM: Avoid repeated deoptimizations from hoisted array bounds checks. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 6 years, 2 months ago

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Index: runtime/vm/intermediate_language_x64.cc

===================================================================

--- runtime/vm/intermediate_language_x64.cc (revision 41133)

+++ runtime/vm/intermediate_language_x64.cc (working copy)

@@ -5446,10 +5446,12 @@

void CheckArrayBoundInstr::EmitNativeCode(FlowGraphCompiler* compiler) {

+ uint32_t flags = generalized_ ? ICData::kGeneralized : 0;

+ flags |= licm_hoisted_ ? ICData::kHoisted : 0;

Label* deopt = compiler->AddDeoptStub(

deopt_id(),

ICData::kDeoptCheckArrayBound,

- generalized_ ? ICData::kGeneralized : 0);

+ flags);

Location length_loc = locs()->in(kLengthPos);

Location index_loc = locs()->in(kIndexPos);

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