1 files changed, 14 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/llint/LowLevelInterpreter.asm b/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
index 6f5460aa7..e347ccc70 100644
--- a/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
+++ b/Source/JavaScriptCore/llint/LowLevelInterpreter.asm
@@ -187,6 +187,20 @@ macro slowPathForCall(advance, slowPath)
         end)
 end
 
+macro arrayProfile(structureAndIndexingType, profile, scratch)
+    const structure = structureAndIndexingType
+    const indexingType = structureAndIndexingType
+    if VALUE_PROFILER
+        storep structure, ArrayProfile::m_lastSeenStructure[profile]
+        loadb Structure::m_indexingType[structure], indexingType
+        move 1, scratch
+        lshifti indexingType, scratch
+        ori scratch, ArrayProfile::m_observedArrayModes[profile]
+    else
+        loadb Structure::m_indexingType[structure], indexingType
+    end
+end
+
 macro checkSwitchToJIT(increment, action)
     if JIT_ENABLED
         loadp CodeBlock[cfr], t0
@@ -896,4 +910,3 @@ _llint_op_put_by_id_transition:
 # Indicate the end of LLInt.
 _llint_end:
     crash()
-