src/type-info.cc - Issue 7105015: Eagerly deoptimize on never-executed code-paths.

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Unified Diff: src/type-info.cc

Issue 7105015: Eagerly deoptimize on never-executed code-paths. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 9 years, 7 months ago

Use n/p to move between diff chunks; N/P to move between comments.

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Index: src/type-info.cc

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

--- src/type-info.cc (revision 8085)

+++ src/type-info.cc (working copy)

@@ -224,8 +224,7 @@

switch (state) {

case CompareIC::UNINITIALIZED:

// Uninitialized means never executed.

- // TODO(fschneider): Introduce a separate value for never-executed ICs.

- return unknown;

+ return TypeInfo::Uninitialized();

case CompareIC::SMIS:

return TypeInfo::Smi();

case CompareIC::HEAP_NUMBERS:

@@ -286,8 +285,7 @@

switch (type) {

case BinaryOpIC::UNINITIALIZED:

// Uninitialized means never executed.

- // TODO(fschneider): Introduce a separate value for never-executed ICs

- return unknown;

+ return TypeInfo::Uninitialized();

case BinaryOpIC::SMI:

switch (result_type) {

case BinaryOpIC::UNINITIALIZED: