[turbofan] Collect invocation counts and compute relative call frequencies.

src/builtins/mips/builtins-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1033 matching lines @@
   __ lw(kInterpreterBytecodeArrayRegister,
         FieldMemOperand(a0, SharedFunctionInfo::kFunctionDataOffset));
   __ bind(&bytecode_array_loaded);
 
   // Check whether we should continue to use the interpreter.
   Label switch_to_different_code_kind;
   __ lw(a0, FieldMemOperand(a0, SharedFunctionInfo::kCodeOffset));
   __ Branch(&switch_to_different_code_kind, ne, a0,
             Operand(masm->CodeObject()));  // Self-reference to this code.
 
+  // Increment invocation count for the function.
+  __ lw(a0, FieldMemOperand(a1, JSFunction::kLiteralsOffset));
+  __ lw(a0, FieldMemOperand(a0, LiteralsArray::kFeedbackVectorOffset));
+  __ lw(t0, FieldMemOperand(
+                a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                        TypeFeedbackVector::kHeaderSize));
+  __ Addu(t0, t0, Operand(Smi::FromInt(1)));
+  __ sw(t0, FieldMemOperand(
+                a0, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                        TypeFeedbackVector::kHeaderSize));
+
   // Check function data field is actually a BytecodeArray object.
   if (FLAG_debug_code) {
     __ SmiTst(kInterpreterBytecodeArrayRegister, t0);
     __ Assert(ne, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry, t0,
               Operand(zero_reg));
     __ GetObjectType(kInterpreterBytecodeArrayRegister, t0, t0);
     __ Assert(eq, kFunctionDataShouldBeBytecodeArrayOnInterpreterEntry, t0,
               Operand(BYTECODE_ARRAY_TYPE));
   }
 
@@ skipping 1966 matching lines @@
     __ break_(0xCC);
   }
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS