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| 1 | //===-- Tools/CrossToolHelpers.h --------------------------------- *-C++-*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // A header file for containing functionallity that is used across Flang tools, |
| 9 | // such as helper functions which apply or generate information needed accross |
| 10 | // tools like bbc and flang-new. |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef FORTRAN_TOOLS_CROSS_TOOL_HELPERS_H |
| 14 | #define FORTRAN_TOOLS_CROSS_TOOL_HELPERS_H |
| 15 | |
| 16 | #include "flang/Common/MathOptionsBase.h" |
| 17 | #include "flang/Frontend/CodeGenOptions.h" |
| 18 | #include "flang/Frontend/LangOptions.h" |
| 19 | #include <cstdint> |
| 20 | |
| 21 | #include "mlir/Dialect/OpenMP/OpenMPDialect.h" |
| 22 | #include "mlir/IR/BuiltinOps.h" |
| 23 | #include "llvm/Frontend/Debug/Options.h" |
| 24 | #include "llvm/Passes/OptimizationLevel.h" |
| 25 | |
| 26 | /// Configuriation for the MLIR to LLVM pass pipeline. |
| 27 | struct MLIRToLLVMPassPipelineConfig { |
| 28 | explicit MLIRToLLVMPassPipelineConfig(llvm::OptimizationLevel level) { |
| 29 | OptLevel = level; |
| 30 | } |
| 31 | explicit MLIRToLLVMPassPipelineConfig(llvm::OptimizationLevel level, |
| 32 | const Fortran::frontend::CodeGenOptions &opts, |
| 33 | const Fortran::common::MathOptionsBase &mathOpts) { |
| 34 | OptLevel = level; |
| 35 | StackArrays = opts.StackArrays; |
| 36 | Underscoring = opts.Underscoring; |
| 37 | LoopVersioning = opts.LoopVersioning; |
| 38 | DebugInfo = opts.getDebugInfo(); |
| 39 | AliasAnalysis = opts.AliasAnalysis; |
| 40 | FramePointerKind = opts.getFramePointer(); |
| 41 | // The logic for setting these attributes is intended to match the logic |
| 42 | // used in Clang. |
| 43 | NoInfsFPMath = mathOpts.getNoHonorInfs(); |
| 44 | NoNaNsFPMath = mathOpts.getNoHonorNaNs(); |
| 45 | ApproxFuncFPMath = mathOpts.getApproxFunc(); |
| 46 | NoSignedZerosFPMath = mathOpts.getNoSignedZeros(); |
| 47 | UnsafeFPMath = mathOpts.getAssociativeMath() && |
| 48 | mathOpts.getReciprocalMath() && NoSignedZerosFPMath && |
| 49 | ApproxFuncFPMath && mathOpts.getFPContractEnabled(); |
| 50 | } |
| 51 | |
| 52 | llvm::OptimizationLevel OptLevel; ///< optimisation level |
| 53 | bool StackArrays = false; ///< convert memory allocations to alloca. |
| 54 | bool Underscoring = true; ///< add underscores to function names. |
| 55 | bool LoopVersioning = false; ///< Run the version loop pass. |
| 56 | bool AliasAnalysis = false; ///< Add TBAA tags to generated LLVMIR |
| 57 | llvm::codegenoptions::DebugInfoKind DebugInfo = |
| 58 | llvm::codegenoptions::NoDebugInfo; ///< Debug info generation. |
| 59 | llvm::FramePointerKind FramePointerKind = |
| 60 | llvm::FramePointerKind::None; ///< Add frame pointer to functions. |
| 61 | unsigned VScaleMin = 0; ///< SVE vector range minimum. |
| 62 | unsigned VScaleMax = 0; ///< SVE vector range maximum. |
| 63 | bool NoInfsFPMath = false; ///< Set no-infs-fp-math attribute for functions. |
| 64 | bool NoNaNsFPMath = false; ///< Set no-nans-fp-math attribute for functions. |
| 65 | bool ApproxFuncFPMath = |
| 66 | false; ///< Set approx-func-fp-math attribute for functions. |
| 67 | bool NoSignedZerosFPMath = |
| 68 | false; ///< Set no-signed-zeros-fp-math attribute for functions. |
| 69 | bool UnsafeFPMath = false; ///< Set unsafe-fp-math attribute for functions. |
| 70 | }; |
| 71 | |
| 72 | struct OffloadModuleOpts { |
| 73 | OffloadModuleOpts() {} |
| 74 | OffloadModuleOpts(uint32_t OpenMPTargetDebug, bool OpenMPTeamSubscription, |
| 75 | bool OpenMPThreadSubscription, bool OpenMPNoThreadState, |
| 76 | bool OpenMPNoNestedParallelism, bool OpenMPIsTargetDevice, |
| 77 | bool OpenMPIsGPU, uint32_t OpenMPVersion, std::string OMPHostIRFile = {}, |
| 78 | bool NoGPULib = false) |
| 79 | : OpenMPTargetDebug(OpenMPTargetDebug), |
| 80 | OpenMPTeamSubscription(OpenMPTeamSubscription), |
| 81 | OpenMPThreadSubscription(OpenMPThreadSubscription), |
| 82 | OpenMPNoThreadState(OpenMPNoThreadState), |
| 83 | OpenMPNoNestedParallelism(OpenMPNoNestedParallelism), |
| 84 | OpenMPIsTargetDevice(OpenMPIsTargetDevice), OpenMPIsGPU(OpenMPIsGPU), |
| 85 | OpenMPVersion(OpenMPVersion), OMPHostIRFile(OMPHostIRFile), |
| 86 | NoGPULib(NoGPULib) {} |
| 87 | |
| 88 | OffloadModuleOpts(Fortran::frontend::LangOptions &Opts) |
| 89 | : OpenMPTargetDebug(Opts.OpenMPTargetDebug), |
| 90 | OpenMPTeamSubscription(Opts.OpenMPTeamSubscription), |
| 91 | OpenMPThreadSubscription(Opts.OpenMPThreadSubscription), |
| 92 | OpenMPNoThreadState(Opts.OpenMPNoThreadState), |
| 93 | OpenMPNoNestedParallelism(Opts.OpenMPNoNestedParallelism), |
| 94 | OpenMPIsTargetDevice(Opts.OpenMPIsTargetDevice), |
| 95 | OpenMPIsGPU(Opts.OpenMPIsGPU), OpenMPVersion(Opts.OpenMPVersion), |
| 96 | OMPHostIRFile(Opts.OMPHostIRFile), NoGPULib(Opts.NoGPULib) {} |
| 97 | |
| 98 | uint32_t OpenMPTargetDebug = 0; |
| 99 | bool OpenMPTeamSubscription = false; |
| 100 | bool OpenMPThreadSubscription = false; |
| 101 | bool OpenMPNoThreadState = false; |
| 102 | bool OpenMPNoNestedParallelism = false; |
| 103 | bool OpenMPIsTargetDevice = false; |
| 104 | bool OpenMPIsGPU = false; |
| 105 | uint32_t OpenMPVersion = 11; |
| 106 | std::string OMPHostIRFile = {}; |
| 107 | bool NoGPULib = false; |
| 108 | }; |
| 109 | |
| 110 | // Shares assinging of the OpenMP OffloadModuleInterface and its assorted |
| 111 | // attributes accross Flang tools (bbc/flang) |
| 112 | void setOffloadModuleInterfaceAttributes( |
| 113 | mlir::ModuleOp &module, OffloadModuleOpts Opts) { |
| 114 | // Should be registered by the OpenMPDialect |
| 115 | if (auto offloadMod = llvm::dyn_cast<mlir::omp::OffloadModuleInterface>( |
| 116 | module.getOperation())) { |
| 117 | offloadMod.setIsTargetDevice(Opts.OpenMPIsTargetDevice); |
| 118 | offloadMod.setIsGPU(Opts.OpenMPIsGPU); |
| 119 | if (Opts.OpenMPIsTargetDevice) { |
| 120 | offloadMod.setFlags(Opts.OpenMPTargetDebug, Opts.OpenMPTeamSubscription, |
| 121 | Opts.OpenMPThreadSubscription, Opts.OpenMPNoThreadState, |
| 122 | Opts.OpenMPNoNestedParallelism, Opts.OpenMPVersion, Opts.NoGPULib); |
| 123 | |
| 124 | if (!Opts.OMPHostIRFile.empty()) |
| 125 | offloadMod.setHostIRFilePath(Opts.OMPHostIRFile); |
| 126 | } |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | void setOpenMPVersionAttribute(mlir::ModuleOp &module, int64_t version) { |
| 131 | module.getOperation()->setAttr( |
| 132 | mlir::StringAttr::get(module.getContext(), llvm::Twine{"omp.version"}), |
| 133 | mlir::omp::VersionAttr::get(module.getContext(), version)); |
| 134 | } |
| 135 | |
| 136 | #endif // FORTRAN_TOOLS_CROSS_TOOL_HELPERS_H |
| 137 |
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