Move ProfileSummary to IR.

This splits ProfileSummary into two classes: a ProfileSummary class that has methods to convert from/to metadata and a ProfileSummaryBuilder class that computes the profiles summary which is in ProfileData.

Differential Revision: http://reviews.llvm.org/D20314

llvm-svn: 270136

1 files changed, 8 insertions, 7 deletions

diff --git a/llvm/lib/ProfileData/InstrProfWriter.cpp b/llvm/lib/ProfileData/InstrProfWriter.cpp
index 9b01dac..1036a10 100644
--- a/llvm/lib/ProfileData/InstrProfWriter.cpp
+++ b/llvm/lib/ProfileData/InstrProfWriter.cpp
@@ -84,7 +84,7 @@ public:
   typedef uint64_t offset_type;
 
   support::endianness ValueProfDataEndianness;
-  InstrProfSummary *TheProfileSummary;
+  InstrProfSummaryBuilder *SummaryBuilder;
 
   InstrProfRecordWriterTrait() : ValueProfDataEndianness(support::little) {}
   static hash_value_type ComputeHash(key_type_ref K) {
@@ -123,7 +123,7 @@ public:
     endian::Writer<little> LE(Out);
     for (const auto &ProfileData : *V) {
       const InstrProfRecord &ProfRecord = ProfileData.second;
-      TheProfileSummary->addRecord(ProfRecord);
+      SummaryBuilder->addRecord(ProfRecord);
 
       LE.write<uint64_t>(ProfileData.first); // Function hash
       LE.write<uint64_t>(ProfRecord.Counts.size());
@@ -215,8 +215,8 @@ void InstrProfWriter::writeImpl(ProfOStream &OS) {
   OnDiskChainedHashTableGenerator<InstrProfRecordWriterTrait> Generator;
 
   using namespace IndexedInstrProf;
-  InstrProfSummary PS(ProfileSummary::DefaultCutoffs);
-  InfoObj->TheProfileSummary = &PS;
+  InstrProfSummaryBuilder ISB(ProfileSummaryBuilder::DefaultCutoffs);
+  InfoObj->SummaryBuilder = &ISB;
 
   // Populate the hash table generator.
   for (const auto &I : FunctionData)
@@ -245,7 +245,7 @@ void InstrProfWriter::writeImpl(ProfOStream &OS) {
   OS.write(0);
 
   // Reserve space to write profile summary data.
-  uint32_t NumEntries = ProfileSummary::DefaultCutoffs.size();
+  uint32_t NumEntries = ProfileSummaryBuilder::DefaultCutoffs.size();
   uint32_t SummarySize = Summary::getSize(Summary::NumKinds, NumEntries);
   // Remember the summary offset.
   uint64_t SummaryOffset = OS.tell();
@@ -260,8 +260,9 @@ void InstrProfWriter::writeImpl(ProfOStream &OS) {
       IndexedInstrProf::allocSummary(SummarySize);
   // Compute the Summary and copy the data to the data
   // structure to be serialized out (to disk or buffer).
-  setSummary(TheSummary.get(), PS);
-  InfoObj->TheProfileSummary = 0;
+  InstrProfSummary *IPS = ISB.getSummary();
+  setSummary(TheSummary.get(), *IPS);
+  InfoObj->SummaryBuilder = 0;
 
   // Now do the final patch:
   PatchItem PatchItems[] = {