[Prototype] Serialize instruction size to YAML

Author: kateinoigakukun

include/swift/Serialization/ModuleSummary.h

@@ -100,7 +100,7 @@ class FunctionSummary {
   /// The symbol name of the function only for debug and test purposes.
   std::string Name;
   /// Size of instructions only for debug purpose
-  size_t InstSize;
+  uint32_t InstSize;
 
 public:
   FunctionSummary() = default;
@@ -129,8 +129,8 @@ class FunctionSummary {
 
   GUID getGUID() const { return Guid; }
 
-  size_t getInstSize() const { return InstSize; }
-  void setInstSize(size_t size) { this->InstSize = size; }
+  uint32_t getInstSize() const { return InstSize; }
+  void setInstSize(uint32_t size) { this->InstSize = size; }
 };
 
 /// A slot in a set of virtual tables.

lib/Serialization/ModuleSummaryIndexer.cpp

@@ -332,7 +332,7 @@ bool shouldPreserveFunction(const SILFunction &F) {
 
 void FunctionSummaryIndexer::indexFunction() {
   GUID guid = getGUIDFromUniqueName(F.getName());
-  size_t instSize = 0;
+  uint32_t instSize = 0;
   TheSummary = std::make_unique<FunctionSummary>(guid);
   TheSummary->setName(F.getName());
   for (auto &BB : F) {

tools/swift-module-summary-test/swift-module-summary-test.cpp

@@ -119,6 +119,7 @@ void MappingTraits<FunctionSummary>::mapping(IO &io, FunctionSummary &V) {
   io.mapRequired("preserved", V.Flags.Preserved);
   io.mapRequired("calls", V.CallGraphEdgeList);
   io.mapRequired("type_refs", V.TypeRefList);
+  io.mapRequired("inst_size", V.InstSize);
 }
 
 template <>