-/*===-- InstrProfData.inc - instr profiling runtime structures -----------=== *\
+/*===-- InstrProfData.inc - instr profiling runtime structures -*- C++ -*-=== *\
|*
|* The LLVM Compiler Infrastructure
|*
*
* Examples of how the template is used to instantiate structure definition:
* 1. To declare a structure:
- *
+ *
* struct ProfData {
* #define INSTR_PROF_DATA(Type, LLVMType, Name, Initializer) \
* Type Name;
#endif
COVMAP_FUNC_RECORD(const IntPtrT, llvm::Type::getInt8PtrTy(Ctx), \
NamePtr, llvm::ConstantExpr::getBitCast(NamePtr, \
- llvm::Type::getInt8PtrTy(Ctx)))
+ llvm::Type::getInt8PtrTy(Ctx)))
COVMAP_FUNC_RECORD(const uint32_t, llvm::Type::getInt32Ty(Ctx), NameSize, \
llvm::ConstantInt::get(llvm::Type::getInt32Ty(Ctx),\
NameValue.size()))
#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, CoverageMappingCurrentVersion))
+#undef COVMAP_HEADER
+/* COVMAP_HEADER end. */
+
#ifdef INSTR_PROF_VALUE_PROF_DATA
#define INSTR_PROF_DATA_DEFINED
-/*!
+#define INSTR_PROF_MAX_NUM_VAL_PER_SITE 255
+/*!
* This is the header of the data structure that defines the on-disk
* layout of the value profile data of a particular kind for one function.
*/
* otherwise the record for this kind won't be emitted.
*/
uint32_t NumValueSites;
- /*
+ /*
* The first element of the array that stores the number of profiled
* values for each value site. The size of the array is NumValueSites.
* Since NumValueSites is greater than zero, there is at least one
* \brief Return the number of value sites.
*/
uint32_t getNumValueSites() const { return NumValueSites; }
- /*!
+ /*!
* \brief Read data from this record and save it to Record.
*/
void deserializeTo(InstrProfRecord &Record,
typedef struct ValueProfData {
/*
* Total size in bytes including this field. It must be a multiple
- * of sizeof(uint64_t).
+ * of sizeof(uint64_t).
*/
uint32_t TotalSize;
- /*
+ /*
*The number of value profile kinds that has value profile data.
* In this implementation, a value profile kind is considered to
* have profile data if the number of value profile sites for the
*/
uint32_t NumValueKinds;
- /*
+ /*
* Following are a sequence of variable length records. The prefix/header
* of each record is defined by ValueProfRecord type. The number of
* records is NumValueKinds.
*/
void deserializeTo(InstrProfRecord &Record,
InstrProfRecord::ValueMapType *VMap);
+ void operator delete(void *ptr) { ::operator delete(ptr); }
#endif
} ValueProfData;
-/*
+/*
* The closure is designed to abstact away two types of value profile data:
* - InstrProfRecord which is the primary data structure used to
* represent profile data in host tools (reader, writer, and profile-use)
uint32_t (*GetNumValueData)(const void *Record, uint32_t VKind);
uint32_t (*GetNumValueDataForSite)(const void *R, uint32_t VK, uint32_t S);
- /*
+ /*
* After extracting the value profile data from the value profile record,
* this method is used to map the in-memory value to on-disk value. If
* the method is null, value will be written out untranslated.
ValueProfData *(*AllocValueProfData)(size_t TotalSizeInBytes);
} ValueProfRecordClosure;
-/*
+/*
* A wrapper struct that represents value profile runtime data.
* Like InstrProfRecord class which is used by profiling host tools,
* ValueProfRuntimeRecord also implements the abstract intefaces defined in
ValueProfData *
serializeValueProfDataFromRT(const ValueProfRuntimeRecord *Record,
ValueProfData *Dst);
+uint32_t getNumValueKindsRT(const void *R);
#undef INSTR_PROF_VALUE_PROF_DATA
-#endif /* INSTR_PROF_VALUE_PROF_DATA */
+#endif /* INSTR_PROF_VALUE_PROF_DATA */
#ifdef INSTR_PROF_COMMON_API_IMPL
return Size;
}
-/*!
+/*!
* \brief Return the total size of the value profile record including the
* header and the value data.
*/
This->NumValueSites));
}
-/*!
+/*!
* \brief Return the total number of value data for \c This record.
*/
INSTR_PROF_INLINE
return NumValueData;
}
-/*!
+/*!
* \brief Use this method to advance to the next \c This \c ValueProfRecord.
*/
INSTR_PROF_INLINE
/* Closure based interfaces. */
-/*!
+/*!
* Return the total size in bytes of the on-disk value profile data
* given the data stored in Record.
*/
return VPD;
}
-/*
+/*
* The value profiler runtime library stores the value profile data
* for a given function in \c NumValueSites and \c Nodes structures.
* \c ValueProfRuntimeRecord class is used to encapsulate the runtime
}
NumValueKinds++;
RuntimeRecord->SiteCountArray[I] = (uint8_t *)calloc(N, 1);
- RuntimeRecord->NodesKind[I] = &RuntimeRecord->Nodes[S];
- if (!RuntimeRecord->NodesKind[I])
+ if (!RuntimeRecord->SiteCountArray[I])
return 1;
+ RuntimeRecord->NodesKind[I] = Nodes ? &Nodes[S] : NULL;
for (J = 0; J < N; J++) {
+ /* Compute value count for each site. */
uint32_t C = 0;
- ValueProfNode *Site = RuntimeRecord->Nodes[S + J];
+ ValueProfNode *Site = Nodes ? RuntimeRecord->NodesKind[I][J] : NULL;
while (Site) {
C++;
Site = Site->Next;
unsigned I, N = 0;
const ValueProfRuntimeRecord *Record = (const ValueProfRuntimeRecord *)R;
N = getNumValueDataForSiteRT(R, VK, S);
+ if (N == 0)
+ return;
ValueProfNode *VNode = Record->NodesKind[VK][S];
for (I = 0; I < N; I++) {
Dst[I] = VNode->VData;
getValueForSiteRT,
allocValueProfDataRT};
-/*
+/*
* Return the size of ValueProfData structure to store data
* recorded in the runtime record.
*/
return getValueProfDataSize(&RTRecordClosure);
}
-/*
+/*
* Return a ValueProfData instance that stores the data collected
* from runtime. If \c DstData is provided by the caller, the value
* profile data will be store in *DstData and DstData is returned,
/* Raw profile format version. */
#define INSTR_PROF_RAW_VERSION 2
+#define INSTR_PROF_INDEX_VERSION 3
+#define INSTR_PROF_COVMAP_VERSION 0
+
+/* Profile version is always of type uint_64_t. Reserve the upper 8 bits in the
+ * version for other variants of profile. We set the lowest bit of the upper 8
+ * bits (i.e. bit 56) to 1 to indicate if this is an IR-level instrumentaiton
+ * generated profile, and 0 if this is a Clang FE generated profile.
+*/
+#define VARIANT_MASKS_ALL 0xff00000000000000ULL
+#define GET_VERSION(V) ((V) & ~VARIANT_MASKS_ALL)
/* 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
#else
#undef INSTR_PROF_DATA_DEFINED
#endif
-
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