diff options
Diffstat (limited to 'lib/CodeGen/CGOpenMPRuntimeNVPTX.h')
-rw-r--r-- | lib/CodeGen/CGOpenMPRuntimeNVPTX.h | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/lib/CodeGen/CGOpenMPRuntimeNVPTX.h b/lib/CodeGen/CGOpenMPRuntimeNVPTX.h index a33fb27579f65..63a02965a5bd3 100644 --- a/lib/CodeGen/CGOpenMPRuntimeNVPTX.h +++ b/lib/CodeGen/CGOpenMPRuntimeNVPTX.h @@ -24,7 +24,7 @@ namespace clang { namespace CodeGen { class CGOpenMPRuntimeNVPTX : public CGOpenMPRuntime { -public: +private: struct EntryFunctionState { llvm::BasicBlock *ExitBB = nullptr; }; @@ -40,34 +40,21 @@ public: void createWorkerFunction(CodeGenModule &CGM); }; - /// \brief Helper for target entry function. Guide the master and worker - /// threads to their respective locations. - void emitEntryHeader(CodeGenFunction &CGF, EntryFunctionState &EST, - WorkerFunctionState &WST); - - /// \brief Signal termination of OMP execution. - void emitEntryFooter(CodeGenFunction &CGF, EntryFunctionState &EST); - -private: - // - // Private state and methods. - // - - // Master-worker control state. - // Number of requested OMP threads in parallel region. - llvm::GlobalVariable *ActiveWorkers; - // Outlined function for the workers to execute. - llvm::GlobalVariable *WorkID; - - /// \brief Initialize master-worker control state. - void initializeEnvironment(); - /// \brief Emit the worker function for the current target region. void emitWorkerFunction(WorkerFunctionState &WST); /// \brief Helper for worker function. Emit body of worker loop. void emitWorkerLoop(CodeGenFunction &CGF, WorkerFunctionState &WST); + /// \brief Helper for generic target entry function. Guide the master and + /// worker threads to their respective locations. + void emitGenericEntryHeader(CodeGenFunction &CGF, EntryFunctionState &EST, + WorkerFunctionState &WST); + + /// \brief Signal termination of OMP execution for generic target entry + /// function. + void emitGenericEntryFooter(CodeGenFunction &CGF, EntryFunctionState &EST); + /// \brief Returns specified OpenMP runtime function for the current OpenMP /// implementation. Specialized for the NVPTX device. /// \param Function OpenMP runtime function. @@ -79,9 +66,23 @@ private: // /// \brief Creates offloading entry for the provided entry ID \a ID, - /// address \a Addr and size \a Size. + /// address \a Addr, size \a Size, and flags \a Flags. void createOffloadEntry(llvm::Constant *ID, llvm::Constant *Addr, - uint64_t Size) override; + uint64_t Size, int32_t Flags = 0) override; + + /// \brief Emit outlined function specialized for the Fork-Join + /// programming model for applicable target directives on the NVPTX device. + /// \param D Directive to emit. + /// \param ParentName Name of the function that encloses the target region. + /// \param OutlinedFn Outlined function value to be defined by this call. + /// \param OutlinedFnID Outlined function ID value to be defined by this call. + /// \param IsOffloadEntry True if the outlined function is an offload entry. + /// An outlined function may not be an entry if, e.g. the if clause always + /// evaluates to false. + void emitGenericKernel(const OMPExecutableDirective &D, StringRef ParentName, + llvm::Function *&OutlinedFn, + llvm::Constant *&OutlinedFnID, bool IsOffloadEntry, + const RegionCodeGenTy &CodeGen); /// \brief Emit outlined function for 'target' directive on the NVPTX /// device. |