142 lines
4.6 KiB
C++
142 lines
4.6 KiB
C++
//===--- SPIR.h - Declare SPIR target feature support -----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares SPIR TargetInfo objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_SPIR_H
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#define LLVM_CLANG_LIB_BASIC_TARGETS_SPIR_H
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Basic/TargetOptions.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Compiler.h"
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namespace clang {
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namespace targets {
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static const unsigned SPIRAddrSpaceMap[] = {
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0, // Default
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1, // opencl_global
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3, // opencl_local
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2, // opencl_constant
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0, // opencl_private
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4, // opencl_generic
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5, // opencl_global_device
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6, // opencl_global_host
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0, // cuda_device
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0, // cuda_constant
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0, // cuda_shared
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0, // ptr32_sptr
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0, // ptr32_uptr
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0 // ptr64
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};
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class LLVM_LIBRARY_VISIBILITY SPIRTargetInfo : public TargetInfo {
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public:
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SPIRTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
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: TargetInfo(Triple) {
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assert(getTriple().getOS() == llvm::Triple::UnknownOS &&
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"SPIR target must use unknown OS");
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assert(getTriple().getEnvironment() == llvm::Triple::UnknownEnvironment &&
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"SPIR target must use unknown environment type");
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TLSSupported = false;
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VLASupported = false;
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LongWidth = LongAlign = 64;
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AddrSpaceMap = &SPIRAddrSpaceMap;
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UseAddrSpaceMapMangling = true;
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HasLegalHalfType = true;
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HasFloat16 = true;
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// Define available target features
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// These must be defined in sorted order!
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NoAsmVariants = true;
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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bool hasFeature(StringRef Feature) const override {
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return Feature == "spir";
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}
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// SPIR supports the half type and the only llvm intrinsic allowed in SPIR is
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// memcpy as per section 3 of the SPIR spec.
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bool useFP16ConversionIntrinsics() const override { return false; }
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ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
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const char *getClobbers() const override { return ""; }
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ArrayRef<const char *> getGCCRegNames() const override { return None; }
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bool validateAsmConstraint(const char *&Name,
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TargetInfo::ConstraintInfo &info) const override {
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return true;
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}
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ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
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return None;
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}
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BuiltinVaListKind getBuiltinVaListKind() const override {
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return TargetInfo::VoidPtrBuiltinVaList;
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}
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CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
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return (CC == CC_SpirFunction || CC == CC_OpenCLKernel) ? CCCR_OK
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: CCCR_Warning;
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}
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CallingConv getDefaultCallingConv() const override {
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return CC_SpirFunction;
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}
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void setSupportedOpenCLOpts() override {
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// Assume all OpenCL extensions and optional core features are supported
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// for SPIR since it is a generic target.
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supportAllOpenCLOpts();
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}
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bool hasExtIntType() const override { return true; }
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bool hasInt128Type() const override { return false; }
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};
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class LLVM_LIBRARY_VISIBILITY SPIR32TargetInfo : public SPIRTargetInfo {
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public:
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SPIR32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
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: SPIRTargetInfo(Triple, Opts) {
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PointerWidth = PointerAlign = 32;
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SizeType = TargetInfo::UnsignedInt;
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PtrDiffType = IntPtrType = TargetInfo::SignedInt;
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resetDataLayout("e-p:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-"
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"v96:128-v192:256-v256:256-v512:512-v1024:1024");
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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};
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class LLVM_LIBRARY_VISIBILITY SPIR64TargetInfo : public SPIRTargetInfo {
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public:
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SPIR64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
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: SPIRTargetInfo(Triple, Opts) {
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PointerWidth = PointerAlign = 64;
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SizeType = TargetInfo::UnsignedLong;
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PtrDiffType = IntPtrType = TargetInfo::SignedLong;
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resetDataLayout("e-i64:64-v16:16-v24:32-v32:32-v48:64-"
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"v96:128-v192:256-v256:256-v512:512-v1024:1024");
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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};
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} // namespace targets
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} // namespace clang
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#endif // LLVM_CLANG_LIB_BASIC_TARGETS_SPIR_H
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