diff options
Diffstat (limited to 'clang/lib/CodeGen/CGOpenMPRuntime.h')
| -rw-r--r-- | clang/lib/CodeGen/CGOpenMPRuntime.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.h b/clang/lib/CodeGen/CGOpenMPRuntime.h index 1b91d02e3b1..f6326171a7b 100644 --- a/clang/lib/CodeGen/CGOpenMPRuntime.h +++ b/clang/lib/CodeGen/CGOpenMPRuntime.h @@ -103,6 +103,21 @@ private: // kmp_int32 cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), // kmp_int32 didit); OMPRTL__kmpc_copyprivate, + // Call to kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, + // kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void + // (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck); + OMPRTL__kmpc_reduce, + // Call to kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 + // global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, + // void (*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name + // *lck); + OMPRTL__kmpc_reduce_nowait, + // Call to void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, + // kmp_critical_name *lck); + OMPRTL__kmpc_end_reduce, + // Call to void __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, + // kmp_critical_name *lck); + OMPRTL__kmpc_end_reduce_nowait, }; /// \brief Values for bit flags used in the ident_t to describe the fields. @@ -511,11 +526,54 @@ public: llvm::PointerIntPair<llvm::Value *, 1, bool> Final, llvm::Value *TaskFunction, QualType SharedsTy, llvm::Value *Shareds); + /// \brief Emit code for the directive that does not require outlining. /// /// \param CodeGen Code generation sequence for the \a D directive. virtual void emitInlinedDirective(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen); + /// \brief Emit a code for reduction clause. Next code should be emitted for + /// reduction: + /// \code + /// + /// static kmp_critical_name lock = { 0 }; + /// + /// void reduce_func(void *lhs[<n>], void *rhs[<n>]) { + /// ... + /// *(Type<i>*)lhs[i] = RedOp<i>(*(Type<i>*)lhs[i], *(Type<i>*)rhs[i]); + /// ... + /// } + /// + /// ... + /// void *RedList[<n>] = {&<RHSExprs>[0], ..., &<RHSExprs>[<n>-1]}; + /// switch (__kmpc_reduce{_nowait}(<loc>, <gtid>, <n>, sizeof(RedList), + /// RedList, reduce_func, &<lock>)) { + /// case 1: + /// ... + /// <LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i]); + /// ... + /// __kmpc_end_reduce{_nowait}(<loc>, <gtid>, &<lock>); + /// break; + /// case 2: + /// ... + /// Atomic(<LHSExprs>[i] = RedOp<i>(*<LHSExprs>[i], *<RHSExprs>[i])); + /// ... + /// break; + /// default:; + /// } + /// \endcode + /// + /// \param LHSExprs List of LHS in \a ReductionOps reduction operations. + /// \param RHSExprs List of RHS in \a ReductionOps reduction operations. + /// \param ReductionOps List of reduction operations in form 'LHS binop RHS' + /// or 'operator binop(LHS, RHS)'. + /// \param WithNowait true if parent directive has also nowait clause, false + /// otherwise. + virtual void emitReduction(CodeGenFunction &CGF, SourceLocation Loc, + ArrayRef<const Expr *> LHSExprs, + ArrayRef<const Expr *> RHSExprs, + ArrayRef<const Expr *> ReductionOps, + bool WithNowait); }; } // namespace CodeGen |
