[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/crankshaft/ppc/lithium-codegen-ppc.cc

Index: src/crankshaft/ppc/lithium-codegen-ppc.cc
diff --git a/src/crankshaft/ppc/lithium-codegen-ppc.cc b/src/crankshaft/ppc/lithium-codegen-ppc.cc
index d9a8efd38a0989498b34b13a6dd0de6a8e8e9e18..823a528e7fb3b082d510b908926531792334ca5a 100644
--- a/src/crankshaft/ppc/lithium-codegen-ppc.cc
+++ b/src/crankshaft/ppc/lithium-codegen-ppc.cc
@@ -2453,30 +2453,6 @@ void LCodeGen::DoHasInstanceTypeAndBranch(LHasInstanceTypeAndBranch* instr) {
   EmitBranch(instr, BranchCondition(instr->hydrogen()));
 }
 
-
-void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) {
-  Register input = ToRegister(instr->value());
-  Register result = ToRegister(instr->result());
-
-  __ AssertString(input);
-
-  __ lwz(result, FieldMemOperand(input, String::kHashFieldOffset));
-  __ IndexFromHash(result, result);
-}
-
-
-void LCodeGen::DoHasCachedArrayIndexAndBranch(
-    LHasCachedArrayIndexAndBranch* instr) {
-  Register input = ToRegister(instr->value());
-  Register scratch = scratch0();
-
-  __ lwz(scratch, FieldMemOperand(input, String::kHashFieldOffset));
-  __ mov(r0, Operand(String::kContainsCachedArrayIndexMask));
-  __ and_(r0, scratch, r0, SetRC);
-  EmitBranch(instr, eq, cr0);
-}
-
-
 // Branches to a label or falls through with the answer in flags.  Trashes
 // the temp registers, but not the input.
 void LCodeGen::EmitClassOfTest(Label* is_true, Label* is_false,