1127 Value *SharkTopLevelBlock::get_direct_callee(ciMethod* method) {
1128 return builder()->CreateBitCast(
1129 builder()->CreateInlineMetadata(method, SharkType::Method_type()),
1130 SharkType::Method_type(),
1131 "callee");
1132 }
1133
1134 Value *SharkTopLevelBlock::get_virtual_callee(SharkValue* receiver,
1135 int vtable_index) {
1136 Value *klass = builder()->CreateValueOfStructEntry(
1137 receiver->jobject_value(),
1138 in_ByteSize(oopDesc::klass_offset_in_bytes()),
1139 SharkType::oop_type(),
1140 "klass");
1141
1142 return builder()->CreateLoad(
1143 builder()->CreateArrayAddress(
1144 klass,
1145 SharkType::Method_type(),
1146 vtableEntry::size_in_bytes(),
1147 InstanceKlass::vtable_start_offset(),
1148 LLVMValue::intptr_constant(vtable_index)),
1149 "callee");
1150 }
1151
1152 Value* SharkTopLevelBlock::get_interface_callee(SharkValue *receiver,
1153 ciMethod* method) {
1154 BasicBlock *loop = function()->CreateBlock("loop");
1155 BasicBlock *got_null = function()->CreateBlock("got_null");
1156 BasicBlock *not_null = function()->CreateBlock("not_null");
1157 BasicBlock *next = function()->CreateBlock("next");
1158 BasicBlock *got_entry = function()->CreateBlock("got_entry");
1159
1160 // Locate the receiver's itable
1161 Value *object_klass = builder()->CreateValueOfStructEntry(
1162 receiver->jobject_value(), in_ByteSize(oopDesc::klass_offset_in_bytes()),
1163 SharkType::klass_type(),
1164 "object_klass");
1165
1166 Value *vtable_start = builder()->CreateAdd(
1167 builder()->CreatePtrToInt(object_klass, SharkType::intptr_type()),
1168 LLVMValue::intptr_constant(
1169 in_bytes(InstanceKlass::vtable_start_offset())),
1170 "vtable_start");
1171
1172 Value *vtable_length = builder()->CreateValueOfStructEntry(
1173 object_klass,
1174 InstanceKlass::vtable_length_offset(),
1175 SharkType::jint_type(),
1176 "vtable_length");
1177 vtable_length =
1178 builder()->CreateIntCast(vtable_length, SharkType::intptr_type(), false);
1179
1180 bool needs_aligning = HeapWordsPerLong > 1;
1181 Value *itable_start = builder()->CreateAdd(
1182 vtable_start,
1183 builder()->CreateShl(
1184 vtable_length,
1185 LLVMValue::intptr_constant(exact_log2(vtableEntry::size_in_bytes()))),
1186 needs_aligning ? "" : "itable_start");
1187 if (needs_aligning) {
1188 itable_start = builder()->CreateAnd(
1189 builder()->CreateAdd(
1190 itable_start, LLVMValue::intptr_constant(BytesPerLong - 1)),
1191 LLVMValue::intptr_constant(~(BytesPerLong - 1)),
1192 "itable_start");
1193 }
1194
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1127 Value *SharkTopLevelBlock::get_direct_callee(ciMethod* method) {
1128 return builder()->CreateBitCast(
1129 builder()->CreateInlineMetadata(method, SharkType::Method_type()),
1130 SharkType::Method_type(),
1131 "callee");
1132 }
1133
1134 Value *SharkTopLevelBlock::get_virtual_callee(SharkValue* receiver,
1135 int vtable_index) {
1136 Value *klass = builder()->CreateValueOfStructEntry(
1137 receiver->jobject_value(),
1138 in_ByteSize(oopDesc::klass_offset_in_bytes()),
1139 SharkType::oop_type(),
1140 "klass");
1141
1142 return builder()->CreateLoad(
1143 builder()->CreateArrayAddress(
1144 klass,
1145 SharkType::Method_type(),
1146 vtableEntry::size_in_bytes(),
1147 Klass::vtable_start_offset(),
1148 LLVMValue::intptr_constant(vtable_index)),
1149 "callee");
1150 }
1151
1152 Value* SharkTopLevelBlock::get_interface_callee(SharkValue *receiver,
1153 ciMethod* method) {
1154 BasicBlock *loop = function()->CreateBlock("loop");
1155 BasicBlock *got_null = function()->CreateBlock("got_null");
1156 BasicBlock *not_null = function()->CreateBlock("not_null");
1157 BasicBlock *next = function()->CreateBlock("next");
1158 BasicBlock *got_entry = function()->CreateBlock("got_entry");
1159
1160 // Locate the receiver's itable
1161 Value *object_klass = builder()->CreateValueOfStructEntry(
1162 receiver->jobject_value(), in_ByteSize(oopDesc::klass_offset_in_bytes()),
1163 SharkType::klass_type(),
1164 "object_klass");
1165
1166 Value *vtable_start = builder()->CreateAdd(
1167 builder()->CreatePtrToInt(object_klass, SharkType::intptr_type()),
1168 LLVMValue::intptr_constant(
1169 in_bytes(Klass::vtable_start_offset())),
1170 "vtable_start");
1171
1172 Value *vtable_length = builder()->CreateValueOfStructEntry(
1173 object_klass,
1174 Klass::vtable_length_offset(),
1175 SharkType::jint_type(),
1176 "vtable_length");
1177 vtable_length =
1178 builder()->CreateIntCast(vtable_length, SharkType::intptr_type(), false);
1179
1180 bool needs_aligning = HeapWordsPerLong > 1;
1181 Value *itable_start = builder()->CreateAdd(
1182 vtable_start,
1183 builder()->CreateShl(
1184 vtable_length,
1185 LLVMValue::intptr_constant(exact_log2(vtableEntry::size_in_bytes()))),
1186 needs_aligning ? "" : "itable_start");
1187 if (needs_aligning) {
1188 itable_start = builder()->CreateAnd(
1189 builder()->CreateAdd(
1190 itable_start, LLVMValue::intptr_constant(BytesPerLong - 1)),
1191 LLVMValue::intptr_constant(~(BytesPerLong - 1)),
1192 "itable_start");
1193 }
1194
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