[llvm] r256710 - [PGO] Introduce coverage map header structure in PGO data template file /NFC

[Xinliang David Li via llvm-commits]

Author: davidxl
Date: Sun Jan  3 12:35:56 2016
New Revision: 256710

URL: http://llvm.org/viewvc/llvm-project?rev=256710&view=rev
Log:
[PGO] Introduce coverage map header structure in PGO data template file /NFC

Modified:
    llvm/trunk/include/llvm/ProfileData/InstrProf.h
    llvm/trunk/include/llvm/ProfileData/InstrProfData.inc

Modified: llvm/trunk/include/llvm/ProfileData/InstrProf.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ProfileData/InstrProf.h?rev=256710&r1=256709&r2=256710&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ProfileData/InstrProf.h (original)
+++ llvm/trunk/include/llvm/ProfileData/InstrProf.h Sun Jan  3 12:35:56 2016
@@ -612,8 +612,14 @@ template <class IntPtrT> struct CovMapFu
   #define COVMAP_FUNC_RECORD(Type, LLVMType, Name, Init) Type Name;
   #include "llvm/ProfileData/InstrProfData.inc"
 };
-LLVM_PACKED_END
+// Per module coverage mapping data header, i.e. CoverageMapFileHeader
+// documented above.
+struct CovMapHeader {
+#define COVMAP_HEADER(Type, LLVMType, Name, Init) Type Name;
+#include "llvm/ProfileData/InstrProfData.inc"
+};
 
+LLVM_PACKED_END
 }
 
 } // end namespace llvm

Modified: llvm/trunk/include/llvm/ProfileData/InstrProfData.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ProfileData/InstrProfData.inc?rev=256710&r1=256709&r2=256710&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ProfileData/InstrProfData.inc (original)
+++ llvm/trunk/include/llvm/ProfileData/InstrProfData.inc Sun Jan  3 12:35:56 2016
@@ -167,6 +167,25 @@ COVMAP_FUNC_RECORD(const uint64_t, llvm:
 #undef COVMAP_FUNC_RECORD
 /* COVMAP_FUNC_RECORD end.  */
 
+/* COVMAP_HEADER start */
+/* Definition of member fields of coverage map header.
+ */
+#ifndef COVMAP_HEADER
+#define COVMAP_HEADER(Type, LLVMType, Name, Initializer)
+#else
+#define INSTR_PROF_DATA_DEFINED
+#endif
+COVMAP_HEADER(uint32_t, Int32Ty, NRecords, \
+              llvm::ConstantInt::get(Int32Ty,  FunctionRecords.size()))
+COVMAP_HEADER(uint32_t, Int32Ty, FilenamesSize, \
+              llvm::ConstantInt::get(Int32Ty, FilenamesSize))
+COVMAP_HEADER(uint32_t, Int32Ty, CoverageSize, \
+              llvm::ConstantInt::get(Int32Ty, CoverageMappingSize))
+COVMAP_HEADER(uint32_t, Int32Ty, Version, \
+              llvm::ConstantInt::get(Int32Ty, CoverageMappingVersion1))
+#undef COVMAP_HEADER
+/* COVMAP_HEADER end.  */
+
 
 #ifdef INSTR_PROF_VALUE_PROF_DATA
 #define INSTR_PROF_DATA_DEFINED