Index: include/clang/Basic/TargetInfo.h =================================================================== --- include/clang/Basic/TargetInfo.h +++ include/clang/Basic/TargetInfo.h @@ -48,22 +48,10 @@ namespace Builtin { struct Info; } -/// Exposes information about the current target. -/// -class TargetInfo : public RefCountedBase { - std::shared_ptr TargetOpts; - llvm::Triple Triple; -protected: - // Target values set by the ctor of the actual target implementation. Default - // values are specified by the TargetInfo constructor. - bool BigEndian; - bool TLSSupported; - bool VLASupported; - bool NoAsmVariants; // True if {|} are normal characters. - bool HasLegalHalfType; // True if the backend supports operations on the half - // LLVM IR type. - bool HasFloat128; - bool HasFloat16; +/// Fields controlling how types are laid out in memory; these may need to +/// be copied for targets like AMDGPU that base their ABIs on an auxiliary +/// CPU target. +struct TransferrableTargetInfo { unsigned char PointerWidth, PointerAlign; unsigned char BoolWidth, BoolAlign; unsigned char IntWidth, IntAlign; @@ -104,15 +92,92 @@ unsigned char SuitableAlign; unsigned char DefaultAlignForAttributeAligned; unsigned char MinGlobalAlign; - unsigned char MaxAtomicPromoteWidth, MaxAtomicInlineWidth; + + unsigned short NewAlign; unsigned short MaxVectorAlign; unsigned short MaxTLSAlign; + + const llvm::fltSemantics *HalfFormat, *FloatFormat, *DoubleFormat, + *LongDoubleFormat, *Float128Format; + + ///===---- Target Data Type Query Methods -------------------------------===// + enum IntType { + NoInt = 0, + SignedChar, + UnsignedChar, + SignedShort, + UnsignedShort, + SignedInt, + UnsignedInt, + SignedLong, + UnsignedLong, + SignedLongLong, + UnsignedLongLong + }; + + enum RealType { + NoFloat = 255, + Float = 0, + Double, + LongDouble, + Float128 + }; +protected: + IntType SizeType, IntMaxType, PtrDiffType, IntPtrType, WCharType, + WIntType, Char16Type, Char32Type, Int64Type, SigAtomicType, + ProcessIDType; + + /// Whether Objective-C's built-in boolean type should be signed char. + /// + /// Otherwise, when this flag is not set, the normal built-in boolean type is + /// used. + unsigned UseSignedCharForObjCBool : 1; + + /// Control whether the alignment of bit-field types is respected when laying + /// out structures. If true, then the alignment of the bit-field type will be + /// used to (a) impact the alignment of the containing structure, and (b) + /// ensure that the individual bit-field will not straddle an alignment + /// boundary. + unsigned UseBitFieldTypeAlignment : 1; + + /// Whether zero length bitfields (e.g., int : 0;) force alignment of + /// the next bitfield. + /// + /// If the alignment of the zero length bitfield is greater than the member + /// that follows it, `bar', `bar' will be aligned as the type of the + /// zero-length bitfield. + unsigned UseZeroLengthBitfieldAlignment : 1; + + /// Whether explicit bit field alignment attributes are honored. + unsigned UseExplicitBitFieldAlignment : 1; + + /// If non-zero, specifies a fixed alignment value for bitfields that follow + /// zero length bitfield, regardless of the zero length bitfield type. + unsigned ZeroLengthBitfieldBoundary; +}; + +/// Exposes information about the current target. +/// +class TargetInfo : public virtual TransferrableTargetInfo, + public RefCountedBase { + std::shared_ptr TargetOpts; + llvm::Triple Triple; +protected: + // Target values set by the ctor of the actual target implementation. Default + // values are specified by the TargetInfo constructor. + bool BigEndian; + bool TLSSupported; + bool VLASupported; + bool NoAsmVariants; // True if {|} are normal characters. + bool HasLegalHalfType; // True if the backend supports operations on the half + // LLVM IR type. + bool HasFloat128; + bool HasFloat16; + + unsigned char MaxAtomicPromoteWidth, MaxAtomicInlineWidth; unsigned short SimdDefaultAlign; - unsigned short NewAlign; std::unique_ptr DataLayout; const char *MCountName; - const llvm::fltSemantics *HalfFormat, *FloatFormat, *DoubleFormat, - *LongDoubleFormat, *Float128Format; unsigned char RegParmMax, SSERegParmMax; TargetCXXABI TheCXXABI; const LangASMap *AddrSpaceMap; @@ -153,29 +218,6 @@ return *TargetOpts; } - ///===---- Target Data Type Query Methods -------------------------------===// - enum IntType { - NoInt = 0, - SignedChar, - UnsignedChar, - SignedShort, - UnsignedShort, - SignedInt, - UnsignedInt, - SignedLong, - UnsignedLong, - SignedLongLong, - UnsignedLongLong - }; - - enum RealType { - NoFloat = 255, - Float = 0, - Double, - LongDouble, - Float128 - }; - /// The different kinds of __builtin_va_list types defined by /// the target implementation. enum BuiltinVaListKind { @@ -218,38 +260,6 @@ }; protected: - IntType SizeType, IntMaxType, PtrDiffType, IntPtrType, WCharType, - WIntType, Char16Type, Char32Type, Int64Type, SigAtomicType, - ProcessIDType; - - /// Whether Objective-C's built-in boolean type should be signed char. - /// - /// Otherwise, when this flag is not set, the normal built-in boolean type is - /// used. - unsigned UseSignedCharForObjCBool : 1; - - /// Control whether the alignment of bit-field types is respected when laying - /// out structures. If true, then the alignment of the bit-field type will be - /// used to (a) impact the alignment of the containing structure, and (b) - /// ensure that the individual bit-field will not straddle an alignment - /// boundary. - unsigned UseBitFieldTypeAlignment : 1; - - /// Whether zero length bitfields (e.g., int : 0;) force alignment of - /// the next bitfield. - /// - /// If the alignment of the zero length bitfield is greater than the member - /// that follows it, `bar', `bar' will be aligned as the type of the - /// zero-length bitfield. - unsigned UseZeroLengthBitfieldAlignment : 1; - - /// Whether explicit bit field alignment attributes are honored. - unsigned UseExplicitBitFieldAlignment : 1; - - /// If non-zero, specifies a fixed alignment value for bitfields that follow - /// zero length bitfield, regardless of the zero length bitfield type. - unsigned ZeroLengthBitfieldBoundary; - /// Specify if mangling based on address space map should be used or /// not for language specific address spaces bool UseAddrSpaceMapMangling; @@ -1335,7 +1345,11 @@ return true; } + virtual void setAuxTarget(const TargetInfo *Aux) {} + protected: + /// Copy type and layout related info. + void copyAuxTarget(const TargetInfo *Aux); virtual uint64_t getPointerWidthV(unsigned AddrSpace) const { return PointerWidth; } Index: lib/Basic/TargetInfo.cpp =================================================================== --- lib/Basic/TargetInfo.cpp +++ lib/Basic/TargetInfo.cpp @@ -796,3 +796,9 @@ assert(getAccumIBits() >= getUnsignedAccumIBits()); assert(getLongAccumIBits() >= getUnsignedLongAccumIBits()); } + +void TargetInfo::copyAuxTarget(const TargetInfo *Aux) { + auto *Target = static_cast(this); + auto *Src = static_cast(Aux); + *Target = *Src; +} Index: lib/Basic/Targets/AMDGPU.h =================================================================== --- lib/Basic/Targets/AMDGPU.h +++ lib/Basic/Targets/AMDGPU.h @@ -351,6 +351,8 @@ uint64_t getNullPointerValue(LangAS AS) const override { return AS == LangAS::opencl_local ? ~0 : 0; } + + void setAuxTarget(const TargetInfo *Aux) override; }; } // namespace targets Index: lib/Basic/Targets/AMDGPU.cpp =================================================================== --- lib/Basic/Targets/AMDGPU.cpp +++ lib/Basic/Targets/AMDGPU.cpp @@ -305,3 +305,7 @@ if (hasFastFMA()) Builder.defineMacro("FP_FAST_FMA"); } + +void AMDGPUTargetInfo::setAuxTarget(const TargetInfo *Aux) { + copyAuxTarget(Aux); +} Index: lib/Frontend/CompilerInstance.cpp =================================================================== --- lib/Frontend/CompilerInstance.cpp +++ lib/Frontend/CompilerInstance.cpp @@ -928,6 +928,9 @@ // Adjust target options based on codegen options. getTarget().adjustTargetOptions(getCodeGenOpts(), getTargetOpts()); + if (auto *Aux = getAuxTarget()) + getTarget().setAuxTarget(Aux); + // rewriter project will change target built-in bool type from its default. if (getFrontendOpts().ProgramAction == frontend::RewriteObjC) getTarget().noSignedCharForObjCBool(); Index: test/SemaCUDA/amdgpu-size_t.cu =================================================================== --- /dev/null +++ test/SemaCUDA/amdgpu-size_t.cu @@ -0,0 +1,7 @@ +// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -fms-compatibility -fcuda-is-device -fsyntax-only -verify %s + +// expected-no-diagnostics +typedef unsigned __int64 size_t; +typedef __int64 intptr_t; +typedef unsigned __int64 uintptr_t; +