diff options
author | Justin Bogner <mail@justinbogner.com> | 2014-03-12 20:53:16 +0000 |
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committer | Justin Bogner <mail@justinbogner.com> | 2014-03-12 20:53:16 +0000 |
commit | 7c9210c534a8fb77c17da943ea7c7871833b0699 (patch) | |
tree | 503e0e7236c0e417e35b07f618d71cdaab650b3f /lib/CodeGen/CodeGenPGO.h | |
parent | 2a27efa9157487ec7f6a84662b2780a207e47274 (diff) |
CodeGen: Use a binary format for instrumentation based profiling
This updates CodeGenPGO to use the ProfileDataReader introduced to
llvm in r203703 and the new API for writing out the profile introduced
to compiler-rt in r203710.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@203711 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CodeGenPGO.h')
-rw-r--r-- | lib/CodeGen/CodeGenPGO.h | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/lib/CodeGen/CodeGenPGO.h b/lib/CodeGen/CodeGenPGO.h index 51d59cf9a9..7c19414a0b 100644 --- a/lib/CodeGen/CodeGenPGO.h +++ b/lib/CodeGen/CodeGenPGO.h @@ -26,27 +26,6 @@ namespace clang { namespace CodeGen { class RegionCounter; -/// The raw counter data from an instrumented PGO binary -class PGOProfileData { -private: - /// The PGO data - std::unique_ptr<llvm::MemoryBuffer> DataBuffer; - /// Offsets into DataBuffer for each function's counters - llvm::StringMap<unsigned> DataOffsets; - /// Execution counts for each function. - llvm::StringMap<uint64_t> FunctionCounts; - /// The maximal execution count among all functions. - uint64_t MaxFunctionCount; - CodeGenModule &CGM; -public: - PGOProfileData(CodeGenModule &CGM, std::string Path); - /// Fill Counts with the profile data for the given function name. Returns - /// false on success. - bool getFunctionCounts(StringRef FuncName, std::vector<uint64_t> &Counts); - /// Return the maximum of all known function counts. - uint64_t getMaximumFunctionCount() { return MaxFunctionCount; } -}; - /// Per-function PGO state. This class should generally not be used directly, /// but instead through the CodeGenFunction and RegionCounter types. class CodeGenPGO { @@ -136,8 +115,9 @@ private: void setFuncName(llvm::Function *Fn); void mapRegionCounters(const Decl *D); void computeRegionCounts(const Decl *D); - void applyFunctionAttributes(PGOProfileData *PGOData, llvm::Function *Fn); - void loadRegionCounts(PGOProfileData *PGOData); + void applyFunctionAttributes(llvm::ProfileDataReader *PGOReader, + llvm::Function *Fn); + void loadRegionCounts(llvm::ProfileDataReader *PGOReader); void emitCounterVariables(); /// Emit code to increment the counter at the given index |