# HG changeset patch
# User twisti
# Date 1340057850 25200
# Node ID 765ee2d1674b4d6881b05b6347de47824d880142
# Parent  f8de958e5b2cfbd0c3d907a832e826dd40ea0486
7157365: jruby/bench.bench_timeout crashes with JVM internal error
Reviewed-by: jrose, kvn

diff -r f8de958e5b2c -r 765ee2d1674b src/share/vm/memory/universe.hpp
--- a/src/share/vm/memory/universe.hpp	Mon Jun 18 12:29:21 2012 -0700
+++ b/src/share/vm/memory/universe.hpp	Mon Jun 18 15:17:30 2012 -0700
@@ -273,7 +273,7 @@
   }
 
   static klassOop typeArrayKlassObj(BasicType t) {
-    assert((uint)t < T_VOID+1, "range check");
+    assert((uint)t < T_VOID+1, err_msg("range check for type: %s", type2name(t)));
     assert(_typeArrayKlassObjs[t] != NULL, "domain check");
     return _typeArrayKlassObjs[t];
   }
diff -r f8de958e5b2c -r 765ee2d1674b src/share/vm/opto/callGenerator.cpp
--- a/src/share/vm/opto/callGenerator.cpp	Mon Jun 18 12:29:21 2012 -0700
+++ b/src/share/vm/opto/callGenerator.cpp	Mon Jun 18 15:17:30 2012 -0700
@@ -172,9 +172,11 @@
 
 JVMState* DynamicCallGenerator::generate(JVMState* jvms) {
   GraphKit kit(jvms);
+  Compile* C = kit.C;
+  PhaseGVN& gvn = kit.gvn();
 
-  if (kit.C->log() != NULL) {
-    kit.C->log()->elem("dynamic_call bci='%d'", jvms->bci());
+  if (C->log() != NULL) {
+    C->log()->elem("dynamic_call bci='%d'", jvms->bci());
   }
 
   // Get the constant pool cache from the caller class.
@@ -190,18 +192,21 @@
   size_t call_site_offset = cpcache->get_f1_offset(index);
 
   // Load the CallSite object from the constant pool cache.
-  const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
-  Node* cpcache_adr = kit.makecon(cpcache_ptr);
-  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
-  Node* call_site = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+  const TypeOopPtr* cpcache_type   = TypeOopPtr::make_from_constant(cpcache);  // returns TypeAryPtr of type T_OBJECT
+  const TypeOopPtr* call_site_type = TypeOopPtr::make_from_klass(C->env()->CallSite_klass());
+  Node* cpcache_adr   = kit.makecon(cpcache_type);
+  Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, call_site_offset);
+  // The oops in the constant pool cache are not compressed; load then as raw pointers.
+  Node* call_site     = kit.make_load(kit.control(), call_site_adr, call_site_type, T_ADDRESS, Compile::AliasIdxRaw);
 
   // Load the target MethodHandle from the CallSite object.
-  Node* target_mh_adr = kit.basic_plus_adr(call_site, call_site, java_lang_invoke_CallSite::target_offset_in_bytes());
-  Node* target_mh = kit.make_load(kit.control(), target_mh_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+  const TypeOopPtr* target_type = TypeOopPtr::make_from_klass(C->env()->MethodHandle_klass());
+  Node* target_mh_adr = kit.basic_plus_adr(call_site, java_lang_invoke_CallSite::target_offset_in_bytes());
+  Node* target_mh     = kit.make_load(kit.control(), target_mh_adr, target_type, T_OBJECT);
 
   address resolve_stub = SharedRuntime::get_resolve_opt_virtual_call_stub();
 
-  CallStaticJavaNode *call = new (kit.C, tf()->domain()->cnt()) CallStaticJavaNode(tf(), resolve_stub, method(), kit.bci());
+  CallStaticJavaNode* call = new (C, tf()->domain()->cnt()) CallStaticJavaNode(tf(), resolve_stub, method(), kit.bci());
   // invokedynamic is treated as an optimized invokevirtual.
   call->set_optimized_virtual(true);
   // Take extra care (in the presence of argument motion) not to trash the SP:
@@ -785,9 +790,10 @@
 
 JVMState* PredictedDynamicCallGenerator::generate(JVMState* jvms) {
   GraphKit kit(jvms);
+  Compile* C = kit.C;
   PhaseGVN& gvn = kit.gvn();
 
-  CompileLog* log = kit.C->log();
+  CompileLog* log = C->log();
   if (log != NULL) {
     log->elem("predicted_dynamic_call bci='%d'", jvms->bci());
   }
@@ -803,8 +809,8 @@
     Node* receiver = kit.argument(0);
 
     // Check if the MethodHandle is the expected one
-    Node* cmp = gvn.transform(new(kit.C, 3) CmpPNode(receiver, predicted_mh));
-    bol = gvn.transform(new(kit.C, 2) BoolNode(cmp, BoolTest::eq) );
+    Node* cmp = gvn.transform(new (C, 3) CmpPNode(receiver, predicted_mh));
+    bol = gvn.transform(new (C, 2) BoolNode(cmp, BoolTest::eq) );
   } else {
     // Get the constant pool cache from the caller class.
     ciMethod* caller_method = jvms->method();
@@ -818,22 +824,25 @@
     size_t call_site_offset = cpcache->get_f1_offset(index);
 
     // Load the CallSite object from the constant pool cache.
-    const TypeOopPtr* cpcache_ptr = TypeOopPtr::make_from_constant(cpcache);
-    Node* cpcache_adr   = kit.makecon(cpcache_ptr);
-    Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, cpcache_adr, call_site_offset);
-    Node* call_site     = kit.make_load(kit.control(), call_site_adr, TypeInstPtr::BOTTOM, T_OBJECT, Compile::AliasIdxRaw);
+    const TypeOopPtr* cpcache_type   = TypeOopPtr::make_from_constant(cpcache);  // returns TypeAryPtr of type T_OBJECT
+    const TypeOopPtr* call_site_type = TypeOopPtr::make_from_klass(C->env()->CallSite_klass());
+    Node* cpcache_adr   = kit.makecon(cpcache_type);
+    Node* call_site_adr = kit.basic_plus_adr(cpcache_adr, call_site_offset);
+    // The oops in the constant pool cache are not compressed; load then as raw pointers.
+    Node* call_site     = kit.make_load(kit.control(), call_site_adr, call_site_type, T_ADDRESS, Compile::AliasIdxRaw);
 
     // Load the target MethodHandle from the CallSite object.
+    const TypeOopPtr* target_type = TypeOopPtr::make_from_klass(C->env()->MethodHandle_klass());
     Node* target_adr = kit.basic_plus_adr(call_site, call_site, java_lang_invoke_CallSite::target_offset_in_bytes());
-    Node* target_mh  = kit.make_load(kit.control(), target_adr, TypeInstPtr::BOTTOM, T_OBJECT);
+    Node* target_mh  = kit.make_load(kit.control(), target_adr, target_type, T_OBJECT);
 
     // Check if the MethodHandle is still the same.
-    Node* cmp = gvn.transform(new(kit.C, 3) CmpPNode(target_mh, predicted_mh));
-    bol = gvn.transform(new(kit.C, 2) BoolNode(cmp, BoolTest::eq) );
+    Node* cmp = gvn.transform(new (C, 3) CmpPNode(target_mh, predicted_mh));
+    bol = gvn.transform(new (C, 2) BoolNode(cmp, BoolTest::eq) );
   }
   IfNode* iff = kit.create_and_xform_if(kit.control(), bol, _hit_prob, COUNT_UNKNOWN);
-  kit.set_control( gvn.transform(new(kit.C, 1) IfTrueNode (iff)));
-  Node* slow_ctl = gvn.transform(new(kit.C, 1) IfFalseNode(iff));
+  kit.set_control( gvn.transform(new (C, 1) IfTrueNode (iff)));
+  Node* slow_ctl = gvn.transform(new (C, 1) IfFalseNode(iff));
 
   SafePointNode* slow_map = NULL;
   JVMState* slow_jvms;
@@ -882,7 +891,7 @@
 
   // Finish the diamond.
   kit.C->set_has_split_ifs(true); // Has chance for split-if optimization
-  RegionNode* region = new (kit.C, 3) RegionNode(3);
+  RegionNode* region = new (C, 3) RegionNode(3);
   region->init_req(1, kit.control());
   region->init_req(2, slow_map->control());
   kit.set_control(gvn.transform(region));
diff -r f8de958e5b2c -r 765ee2d1674b src/share/vm/opto/chaitin.cpp
--- a/src/share/vm/opto/chaitin.cpp	Mon Jun 18 12:29:21 2012 -0700
+++ b/src/share/vm/opto/chaitin.cpp	Mon Jun 18 15:17:30 2012 -0700
@@ -1536,7 +1536,7 @@
 
   // Check for AddP-related opcodes
   if( !derived->is_Phi() ) {
-    assert( derived->as_Mach()->ideal_Opcode() == Op_AddP, "" );
+    assert(derived->as_Mach()->ideal_Opcode() == Op_AddP, err_msg("but is: %s", derived->Name()));
     Node *base = derived->in(AddPNode::Base);
     derived_base_map[derived->_idx] = base;
     return base;
diff -r f8de958e5b2c -r 765ee2d1674b src/share/vm/opto/type.cpp
--- a/src/share/vm/opto/type.cpp	Mon Jun 18 12:29:21 2012 -0700
+++ b/src/share/vm/opto/type.cpp	Mon Jun 18 15:17:30 2012 -0700
@@ -2613,18 +2613,26 @@
 //------------------------------make_from_constant-----------------------------
 // Make a java pointer from an oop constant
 const TypeOopPtr* TypeOopPtr::make_from_constant(ciObject* o, bool require_constant) {
-  if (o->is_method_data() || o->is_method() || o->is_cpcache()) {
+  if (o->is_method_data() || o->is_method()) {
     // Treat much like a typeArray of bytes, like below, but fake the type...
-    const Type* etype = (Type*)get_const_basic_type(T_BYTE);
+    const BasicType bt = T_BYTE;
+    const Type* etype = get_const_basic_type(bt);
     const TypeAry* arr0 = TypeAry::make(etype, TypeInt::POS);
-    ciKlass *klass = ciTypeArrayKlass::make((BasicType) T_BYTE);
-    assert(o->can_be_constant(), "method data oops should be tenured");
-    const TypeAryPtr* arr = TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
-    return arr;
+    ciKlass* klass = ciArrayKlass::make(ciType::make(bt));
+    assert(o->can_be_constant(), "should be tenured");
+    return TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
+  } else if (o->is_cpcache()) {
+    // Treat much like a objArray, like below, but fake the type...
+    const BasicType bt = T_OBJECT;
+    const Type* etype = get_const_basic_type(bt);
+    const TypeAry* arr0 = TypeAry::make(etype, TypeInt::POS);
+    ciKlass* klass = ciArrayKlass::make(ciType::make(bt));
+    assert(o->can_be_constant(), "should be tenured");
+    return TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
   } else {
     assert(o->is_java_object(), "must be java language object");
     assert(!o->is_null_object(), "null object not yet handled here.");
-    ciKlass *klass = o->klass();
+    ciKlass* klass = o->klass();
     if (klass->is_instance_klass()) {
       // Element is an instance
       if (require_constant) {
@@ -2635,8 +2643,7 @@
       return TypeInstPtr::make(o);
     } else if (klass->is_obj_array_klass()) {
       // Element is an object array. Recursively call ourself.
-      const Type *etype =
-        TypeOopPtr::make_from_klass_raw(klass->as_obj_array_klass()->element_klass());
+      const Type *etype = make_from_klass_raw(klass->as_obj_array_klass()->element_klass());
       const TypeAry* arr0 = TypeAry::make(etype, TypeInt::make(o->as_array()->length()));
       // We used to pass NotNull in here, asserting that the sub-arrays
       // are all not-null.  This is not true in generally, as code can
@@ -2646,12 +2653,10 @@
       } else if (!o->should_be_constant()) {
         return TypeAryPtr::make(TypePtr::NotNull, arr0, klass, true, 0);
       }
-      const TypeAryPtr* arr = TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
-      return arr;
+      return TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
     } else if (klass->is_type_array_klass()) {
       // Element is an typeArray
-      const Type* etype =
-        (Type*)get_const_basic_type(klass->as_type_array_klass()->element_type());
+      const Type* etype = get_const_basic_type(klass->as_type_array_klass()->element_type());
       const TypeAry* arr0 = TypeAry::make(etype, TypeInt::make(o->as_array()->length()));
       // We used to pass NotNull in here, asserting that the array pointer
       // is not-null. That was not true in general.
@@ -2660,12 +2665,11 @@
       } else if (!o->should_be_constant()) {
         return TypeAryPtr::make(TypePtr::NotNull, arr0, klass, true, 0);
       }
-      const TypeAryPtr* arr = TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
-      return arr;
+      return TypeAryPtr::make(TypePtr::Constant, o, arr0, klass, true, 0);
     }
   }
 
-  ShouldNotReachHere();
+  fatal("unhandled object type");
   return NULL;
 }