1344477 - Part 2: Optimize Array.prototype.splice with JSOP_NORVCALL.

1 files changed, 0 insertions, 42 deletions

diff --git a/js/src/jit/MCallOptimize.cpp b/js/src/jit/MCallOptimize.cpp
index 359f04639..5eee30e49 100644
--- a/js/src/jit/MCallOptimize.cpp
+++ b/js/src/jit/MCallOptimize.cpp
@@ -85,8 +85,6 @@ IonBuilder::inlineNativeCall(CallInfo& callInfo, JSFunction* target)
         return inlineArrayPush(callInfo);
       case InlinableNative::ArraySlice:
         return inlineArraySlice(callInfo);
-      case InlinableNative::ArraySplice:
-        return inlineArraySplice(callInfo);
 
       // Atomic natives.
       case InlinableNative::AtomicsCompareExchange:
@@ -654,46 +652,6 @@ IonBuilder::inlineArrayPopShift(CallInfo& callInfo, MArrayPopShift::Mode mode)
 }
 
 IonBuilder::InliningStatus
-IonBuilder::inlineArraySplice(CallInfo& callInfo)
-{
-    if (callInfo.argc() != 2 || callInfo.constructing()) {
-        trackOptimizationOutcome(TrackedOutcome::CantInlineNativeBadForm);
-        return InliningStatus_NotInlined;
-    }
-
-    // Ensure |this|, argument and result are objects.
-    if (getInlineReturnType() != MIRType::Object)
-        return InliningStatus_NotInlined;
-    if (callInfo.thisArg()->type() != MIRType::Object)
-        return InliningStatus_NotInlined;
-    if (callInfo.getArg(0)->type() != MIRType::Int32)
-        return InliningStatus_NotInlined;
-    if (callInfo.getArg(1)->type() != MIRType::Int32)
-        return InliningStatus_NotInlined;
-
-    callInfo.setImplicitlyUsedUnchecked();
-
-    // Specialize arr.splice(start, deleteCount) with unused return value and
-    // avoid creating the result array in this case.
-    if (!BytecodeIsPopped(pc)) {
-        trackOptimizationOutcome(TrackedOutcome::CantInlineGeneric);
-        return InliningStatus_NotInlined;
-    }
-
-    MArraySplice* ins = MArraySplice::New(alloc(),
-                                          callInfo.thisArg(),
-                                          callInfo.getArg(0),
-                                          callInfo.getArg(1));
-
-    current->add(ins);
-    pushConstant(UndefinedValue());
-
-    if (!resumeAfter(ins))
-        return InliningStatus_Error;
-    return InliningStatus_Inlined;
-}
-
-IonBuilder::InliningStatus
 IonBuilder::inlineArrayJoin(CallInfo& callInfo)
 {
     if (callInfo.argc() != 1 || callInfo.constructing()) {