PPC/s390: [turbofan] Collect invocation counts and compute relative call frequencies.

src/full-codegen/s390/full-codegen-s390.cc

Index: src/full-codegen/s390/full-codegen-s390.cc
diff --git a/src/full-codegen/s390/full-codegen-s390.cc b/src/full-codegen/s390/full-codegen-s390.cc
index ab10e01791ef0dc5eb704663d0180159b4743fe9..3b64f711e609f41225c99d9667cc3a6e2e8f4a46 100644
--- a/src/full-codegen/s390/full-codegen-s390.cc
+++ b/src/full-codegen/s390/full-codegen-s390.cc
@@ -133,6 +133,21 @@ void FullCodeGenerator::Generate() {
   info->set_prologue_offset(prologue_offset);
   __ Prologue(info->GeneratePreagedPrologue(), ip, prologue_offset);
 
+  // Increment invocation count for the function.
+  {
+    Comment cmnt(masm_, "[ Increment invocation count");
+    __ LoadP(r6, FieldMemOperand(r3, JSFunction::kLiteralsOffset));
+    __ LoadP(r6, FieldMemOperand(r6, LiteralsArray::kFeedbackVectorOffset));
+    __ LoadP(r1, FieldMemOperand(r6, TypeFeedbackVector::kInvocationCountIndex *
+                                             kPointerSize +
+                                         TypeFeedbackVector::kHeaderSize));
+    __ AddSmiLiteral(r1, r1, Smi::FromInt(1), r0);
+    __ StoreP(r1,
+              FieldMemOperand(
+                  r6, TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
+                          TypeFeedbackVector::kHeaderSize));
+  }
+
   {
     Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = info->scope()->num_stack_slots();