Changeset 179241 in webkit for trunk/Source/JavaScriptCore/bytecode/CallLinkStatus.cpp

Timestamp:

Jan 27, 2015, 9:48:59 PM (11 years ago)

Author:

[email protected]

Message:

ExitSiteData saying m_takesSlowPath shouldn't mean early returning takesSlowPath() since for the non-LLInt case we later set m_couldTakeSlowPath, which is more precise
​https://bugs.webkit.org/show_bug.cgi?id=140980

Reviewed by Oliver Hunt.

• bytecode/CallLinkStatus.cpp:

(JSC::CallLinkStatus::computeFor):

File:

• trunk/Source/JavaScriptCore/bytecode/CallLinkStatus.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/bytecode/CallLinkStatus.cpp

@@ -87 +87 @@
 #if ENABLE(DFG_JIT)
     ExitSiteData exitSiteData = computeExitSiteData(locker, profiledBlock, bytecodeIndex);
-    if (exitSiteData.m_takesSlowPath)
-        return takesSlowPath();
     
     CallLinkInfo* callLinkInfo = map.get(CodeOrigin(bytecodeIndex));
-    if (!callLinkInfo)
+    if (!callLinkInfo) {
+        if (exitSiteData.m_takesSlowPath)
+            return takesSlowPath();
         return computeFromLLInt(locker, profiledBlock, bytecodeIndex);
+    }
     
     return computeFor(locker, profiledBlock, *callLinkInfo, exitSiteData);