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[PGO] Minor refactoring /NFC

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Move common defs into common header files.

llvm-svn: 257108
This commit is contained in:
Xinliang David Li 2016-01-07 22:46:29 +00:00
parent 37415bceb0
commit 86978fc4f3
4 changed files with 20 additions and 15 deletions
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2
include/llvm/ProfileData/CoverageMapping.h
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@ -35,8 +35,6 @@ class CoverageMappingReader;
class CoverageMapping;
struct CounterExpressions;
enum CoverageMappingVersion { CoverageMappingVersion1 };
/// \brief A Counter is an abstract value that describes how to compute the
/// execution count for a region of code using the collected profile count data.
struct Counter {

10
include/llvm/ProfileData/InstrProf.h
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@ -30,7 +30,6 @@
#include <system_error>
#include <vector>
#define INSTR_PROF_INDEX_VERSION 3
namespace llvm {
class Function;
@ -66,7 +65,8 @@ inline StringRef getInstrProfValueProfFuncName() {
/// Return the name of the section containing function coverage mapping
/// data.
inline StringRef getInstrProfCoverageSectionName(bool AddSegment) {
return AddSegment ? "__DATA,__llvm_covmap" : "__llvm_covmap";
return AddSegment ? "__DATA," INSTR_PROF_COVMAP_SECT_NAME_STR
: INSTR_PROF_COVMAP_SECT_NAME_STR;
}
/// Return the name prefix of variables containing instrumented function names.
@ -626,6 +626,12 @@ struct CovMapHeader {
};
LLVM_PACKED_END
enum CoverageMappingVersion {
CoverageMappingVersion1 = 0,
// The current versin is Version1
CoverageMappingCurrentVersion = INSTR_PROF_COVMAP_VERSION
};
}
} // end namespace llvm

17
include/llvm/ProfileData/InstrProfData.inc
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@ -696,18 +696,23 @@ serializeValueProfDataFromRT(const ValueProfRuntimeRecord *Record,
/* Raw profile format version. */
#define INSTR_PROF_RAW_VERSION 2
#define INSTR_PROF_INDEX_VERSION 3
#define INSTR_PROF_COVMAP_VERSION 0
/* Runtime section names and name strings. */
#define INSTR_PROF_DATA_SECT_NAME __llvm_prf_data
#define INSTR_PROF_NAME_SECT_NAME __llvm_prf_names
#define INSTR_PROF_CNTS_SECT_NAME __llvm_prf_cnts
#define INSTR_PROF_COVMAP_SECT_NAME __llvm_covmap
#define INSTR_PROF_DATA_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_DATA_SECT_NAME)
#define INSTR_PROF_NAME_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_NAME_SECT_NAME)
#define INSTR_PROF_CNTS_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_CNTS_SECT_NAME)
#define INSTR_PROF_DATA_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_DATA_SECT_NAME)
#define INSTR_PROF_NAME_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_NAME_SECT_NAME)
#define INSTR_PROF_CNTS_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_CNTS_SECT_NAME)
#define INSTR_PROF_COVMAP_SECT_NAME_STR \
INSTR_PROF_QUOTE(INSTR_PROF_COVMAP_SECT_NAME)
/* Macros to define start/stop section symbol for a given
* section on Linux. For instance

6
lib/ProfileData/CoverageMappingReader.cpp
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@ -328,12 +328,8 @@ static std::error_code readCoverageMappingData(
uint32_t Version = endian::byte_swap<uint32_t, Endian>(CovHeader->Version);
Buf = reinterpret_cast<const char *>(++CovHeader);
switch (Version) {
case CoverageMappingVersion1:
break;
default:
if (Version > coverage::CoverageMappingCurrentVersion)
return coveragemap_error::unsupported_version;
}
// Skip past the function records, saving the start and end for later.
const char *FunBuf = Buf;