[crankshaft] Remove HLoadGlobalGeneric and use HCallWithDescriptor instead to call LoadGlobalIC.

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 e40252d027c58407679406542bbae8f2d2976ee4..42d635ab30b3f0e515ee9b3014ee0b33660d7492 100644
--- a/src/crankshaft/ppc/lithium-codegen-ppc.cc
+++ b/src/crankshaft/ppc/lithium-codegen-ppc.cc
@@ -2671,18 +2671,6 @@ void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
 }
 
 
-void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
-  DCHECK(ToRegister(instr->context()).is(cp));
-  DCHECK(ToRegister(instr->result()).is(r3));
-
-  EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
-  Handle<Code> ic =
-      CodeFactory::LoadGlobalICInOptimizedCode(isolate(), instr->typeof_mode())
-          .code();
-  CallCode(ic, RelocInfo::CODE_TARGET, instr);
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());