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-rw-r--r--lib/Frontend/InitPreprocessor.cpp108
1 files changed, 74 insertions, 34 deletions
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 92d61369b40f..d39890494323 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -14,6 +14,7 @@
#include "clang/Basic/FileManager.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/SourceManager.h"
+#include "clang/Basic/SyncScope.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/Version.h"
#include "clang/Frontend/FrontendDiagnostic.h"
@@ -109,9 +110,11 @@ static void AddImplicitIncludePCH(MacroBuilder &Builder, Preprocessor &PP,
/// PickFP - This is used to pick a value based on the FP semantics of the
/// specified FP model.
template <typename T>
-static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal,
+static T PickFP(const llvm::fltSemantics *Sem, T IEEEHalfVal, T IEEESingleVal,
T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal,
T IEEEQuadVal) {
+ if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEhalf())
+ return IEEEHalfVal;
if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEsingle())
return IEEESingleVal;
if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEdouble())
@@ -127,26 +130,26 @@ static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal,
static void DefineFloatMacros(MacroBuilder &Builder, StringRef Prefix,
const llvm::fltSemantics *Sem, StringRef Ext) {
const char *DenormMin, *Epsilon, *Max, *Min;
- DenormMin = PickFP(Sem, "1.40129846e-45", "4.9406564584124654e-324",
- "3.64519953188247460253e-4951",
+ DenormMin = PickFP(Sem, "5.9604644775390625e-8", "1.40129846e-45",
+ "4.9406564584124654e-324", "3.64519953188247460253e-4951",
"4.94065645841246544176568792868221e-324",
"6.47517511943802511092443895822764655e-4966");
- int Digits = PickFP(Sem, 6, 15, 18, 31, 33);
- int DecimalDigits = PickFP(Sem, 9, 17, 21, 33, 36);
- Epsilon = PickFP(Sem, "1.19209290e-7", "2.2204460492503131e-16",
- "1.08420217248550443401e-19",
+ int Digits = PickFP(Sem, 3, 6, 15, 18, 31, 33);
+ int DecimalDigits = PickFP(Sem, 5, 9, 17, 21, 33, 36);
+ Epsilon = PickFP(Sem, "9.765625e-4", "1.19209290e-7",
+ "2.2204460492503131e-16", "1.08420217248550443401e-19",
"4.94065645841246544176568792868221e-324",
"1.92592994438723585305597794258492732e-34");
- int MantissaDigits = PickFP(Sem, 24, 53, 64, 106, 113);
- int Min10Exp = PickFP(Sem, -37, -307, -4931, -291, -4931);
- int Max10Exp = PickFP(Sem, 38, 308, 4932, 308, 4932);
- int MinExp = PickFP(Sem, -125, -1021, -16381, -968, -16381);
- int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024, 16384);
- Min = PickFP(Sem, "1.17549435e-38", "2.2250738585072014e-308",
+ int MantissaDigits = PickFP(Sem, 11, 24, 53, 64, 106, 113);
+ int Min10Exp = PickFP(Sem, -13, -37, -307, -4931, -291, -4931);
+ int Max10Exp = PickFP(Sem, 4, 38, 308, 4932, 308, 4932);
+ int MinExp = PickFP(Sem, -14, -125, -1021, -16381, -968, -16381);
+ int MaxExp = PickFP(Sem, 15, 128, 1024, 16384, 1024, 16384);
+ Min = PickFP(Sem, "6.103515625e-5", "1.17549435e-38", "2.2250738585072014e-308",
"3.36210314311209350626e-4932",
"2.00416836000897277799610805135016e-292",
"3.36210314311209350626267781732175260e-4932");
- Max = PickFP(Sem, "3.40282347e+38", "1.7976931348623157e+308",
+ Max = PickFP(Sem, "6.5504e+4", "3.40282347e+38", "1.7976931348623157e+308",
"1.18973149535723176502e+4932",
"1.79769313486231580793728971405301e+308",
"1.18973149535723176508575932662800702e+4932");
@@ -190,7 +193,7 @@ static void DefineTypeSize(const Twine &MacroName, unsigned TypeWidth,
/// the width, suffix, and signedness of the given type
static void DefineTypeSize(const Twine &MacroName, TargetInfo::IntType Ty,
const TargetInfo &TI, MacroBuilder &Builder) {
- DefineTypeSize(MacroName, TI.getTypeWidth(Ty), TI.getTypeConstantSuffix(Ty),
+ DefineTypeSize(MacroName, TI.getTypeWidth(Ty), TI.getTypeConstantSuffix(Ty),
TI.isTypeSigned(Ty), Builder);
}
@@ -300,25 +303,25 @@ static const char *getLockFreeValue(unsigned TypeWidth, unsigned TypeAlign,
/// \brief Add definitions required for a smooth interaction between
/// Objective-C++ automated reference counting and libstdc++ (4.2).
-static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts,
+static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts,
MacroBuilder &Builder) {
Builder.defineMacro("_GLIBCXX_PREDEFINED_OBJC_ARC_IS_SCALAR");
-
+
std::string Result;
{
- // Provide specializations for the __is_scalar type trait so that
+ // Provide specializations for the __is_scalar type trait so that
// lifetime-qualified objects are not considered "scalar" types, which
// libstdc++ uses as an indicator of the presence of trivial copy, assign,
// default-construct, and destruct semantics (none of which hold for
// lifetime-qualified objects in ARC).
llvm::raw_string_ostream Out(Result);
-
+
Out << "namespace std {\n"
<< "\n"
<< "struct __true_type;\n"
<< "struct __false_type;\n"
<< "\n";
-
+
Out << "template<typename _Tp> struct __is_scalar;\n"
<< "\n";
@@ -330,7 +333,7 @@ static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts,
<< "};\n"
<< "\n";
}
-
+
if (LangOpts.ObjCWeak) {
Out << "template<typename _Tp>\n"
<< "struct __is_scalar<__attribute__((objc_ownership(weak))) _Tp> {\n"
@@ -339,7 +342,7 @@ static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts,
<< "};\n"
<< "\n";
}
-
+
if (LangOpts.ObjCAutoRefCount) {
Out << "template<typename _Tp>\n"
<< "struct __is_scalar<__attribute__((objc_ownership(autoreleasing)))"
@@ -349,7 +352,7 @@ static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts,
<< "};\n"
<< "\n";
}
-
+
Out << "}\n";
}
Builder.append(Result);
@@ -367,7 +370,9 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI,
Builder.defineMacro("__STDC_HOSTED__");
if (!LangOpts.CPlusPlus) {
- if (LangOpts.C11)
+ if (LangOpts.C17)
+ Builder.defineMacro("__STDC_VERSION__", "201710L");
+ else if (LangOpts.C11)
Builder.defineMacro("__STDC_VERSION__", "201112L");
else if (LangOpts.C99)
Builder.defineMacro("__STDC_VERSION__", "199901L");
@@ -380,7 +385,7 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI,
// C++17 [cpp.predefined]p1:
// The name __cplusplus is defined to the value 201703L when compiling a
// C++ translation unit.
- else if (LangOpts.CPlusPlus1z)
+ else if (LangOpts.CPlusPlus17)
Builder.defineMacro("__cplusplus", "201703L");
// C++1y [cpp.predefined]p1:
// The name __cplusplus is defined to the value 201402L when compiling a
@@ -480,12 +485,12 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_user_defined_literals", "200809");
Builder.defineMacro("__cpp_lambdas", "200907");
Builder.defineMacro("__cpp_constexpr",
- LangOpts.CPlusPlus1z ? "201603" :
+ LangOpts.CPlusPlus17 ? "201603" :
LangOpts.CPlusPlus14 ? "201304" : "200704");
Builder.defineMacro("__cpp_range_based_for",
- LangOpts.CPlusPlus1z ? "201603" : "200907");
+ LangOpts.CPlusPlus17 ? "201603" : "200907");
Builder.defineMacro("__cpp_static_assert",
- LangOpts.CPlusPlus1z ? "201411" : "200410");
+ LangOpts.CPlusPlus17 ? "201411" : "200410");
Builder.defineMacro("__cpp_decltype", "200707");
Builder.defineMacro("__cpp_attributes", "200809");
Builder.defineMacro("__cpp_rvalue_references", "200610");
@@ -515,7 +520,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_sized_deallocation", "201309");
// C++17 features.
- if (LangOpts.CPlusPlus1z) {
+ if (LangOpts.CPlusPlus17) {
Builder.defineMacro("__cpp_hex_float", "201603");
Builder.defineMacro("__cpp_inline_variables", "201606");
Builder.defineMacro("__cpp_noexcept_function_type", "201510");
@@ -556,7 +561,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
Builder.defineMacro("__clang_patchlevel__", TOSTR(CLANG_VERSION_PATCHLEVEL));
#undef TOSTR
#undef TOSTR2
- Builder.defineMacro("__clang_version__",
+ Builder.defineMacro("__clang_version__",
"\"" CLANG_VERSION_STRING " "
+ getClangFullRepositoryVersion() + "\"");
if (!LangOpts.MSVCCompat) {
@@ -576,13 +581,27 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
Builder.defineMacro("__ATOMIC_ACQ_REL", "4");
Builder.defineMacro("__ATOMIC_SEQ_CST", "5");
+ // Define macros for the OpenCL memory scope.
+ // The values should match AtomicScopeOpenCLModel::ID enum.
+ static_assert(
+ static_cast<unsigned>(AtomicScopeOpenCLModel::WorkGroup) == 1 &&
+ static_cast<unsigned>(AtomicScopeOpenCLModel::Device) == 2 &&
+ static_cast<unsigned>(AtomicScopeOpenCLModel::AllSVMDevices) == 3 &&
+ static_cast<unsigned>(AtomicScopeOpenCLModel::SubGroup) == 4,
+ "Invalid OpenCL memory scope enum definition");
+ Builder.defineMacro("__OPENCL_MEMORY_SCOPE_WORK_ITEM", "0");
+ Builder.defineMacro("__OPENCL_MEMORY_SCOPE_WORK_GROUP", "1");
+ Builder.defineMacro("__OPENCL_MEMORY_SCOPE_DEVICE", "2");
+ Builder.defineMacro("__OPENCL_MEMORY_SCOPE_ALL_SVM_DEVICES", "3");
+ Builder.defineMacro("__OPENCL_MEMORY_SCOPE_SUB_GROUP", "4");
+
// Support for #pragma redefine_extname (Sun compatibility)
Builder.defineMacro("__PRAGMA_REDEFINE_EXTNAME", "1");
// As sad as it is, enough software depends on the __VERSION__ for version
// checks that it is necessary to report 4.2.1 (the base GCC version we claim
// compatibility with) first.
- Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " +
+ Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " +
Twine(getClangFullCPPVersion()) + "\"");
// Initialize language-specific preprocessor defines.
@@ -597,7 +616,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
if (LangOpts.ObjC1) {
if (LangOpts.ObjCRuntime.isNonFragile()) {
Builder.defineMacro("__OBJC2__");
-
+
if (LangOpts.ObjCExceptions)
Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS");
}
@@ -660,8 +679,14 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
Builder.defineMacro("__EXCEPTIONS");
if (!LangOpts.MSVCCompat && LangOpts.RTTI)
Builder.defineMacro("__GXX_RTTI");
+
if (LangOpts.SjLjExceptions)
Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__");
+ else if (LangOpts.SEHExceptions)
+ Builder.defineMacro("__SEH__");
+ else if (LangOpts.DWARFExceptions &&
+ (TI.getTriple().isThumb() || TI.getTriple().isARM()))
+ Builder.defineMacro("__ARM_DWARF_EH__");
if (LangOpts.Deprecated)
Builder.defineMacro("__DEPRECATED");
@@ -728,6 +753,7 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Builder);
DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Builder);
DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Builder);
+ DefineTypeSize("__WINT_MAX__", TI.getWIntType(), TI, Builder);
DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Builder);
DefineTypeSize("__SIZE_MAX__", TI.getSizeType(), TI, Builder);
@@ -787,9 +813,14 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
DefineFmt("__UINTPTR", TI.getUIntPtrType(), TI, Builder);
DefineTypeWidth("__UINTPTR_WIDTH__", TI.getUIntPtrType(), TI, Builder);
+ DefineFloatMacros(Builder, "FLT16", &TI.getHalfFormat(), "F16");
DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F");
DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), "");
DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L");
+ if (TI.hasFloat128Type())
+ // FIXME: Switch away from the non-standard "Q" when we can
+ DefineFloatMacros(Builder, "FLT128", &TI.getFloat128Format(), "Q");
+
// Define a __POINTER_WIDTH__ macro for stdint.h.
Builder.defineMacro("__POINTER_WIDTH__",
@@ -969,6 +1000,11 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
Builder.defineMacro("__nullable", "_Nullable");
}
+ // Add a macro to differentiate between regular iOS/tvOS/watchOS targets and
+ // the corresponding simulator targets.
+ if (TI.getTriple().isOSDarwin() && TI.getTriple().isSimulatorEnvironment())
+ Builder.defineMacro("__APPLE_EMBEDDED_SIMULATOR__", "1");
+
// OpenMP definition
// OpenMP 2.2:
// In implementations that support a preprocessor, the _OPENMP
@@ -1010,6 +1046,10 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
LangOpts.OpenCLVersion)) \
Builder.defineMacro(#Ext);
#include "clang/Basic/OpenCLExtensions.def"
+
+ auto Arch = TI.getTriple().getArch();
+ if (Arch == llvm::Triple::spir || Arch == llvm::Triple::spir64)
+ Builder.defineMacro("__IMAGE_SUPPORT__");
}
if (TI.hasInt128Type() && LangOpts.CPlusPlus && LangOpts.GNUMode) {
@@ -1068,7 +1108,7 @@ void clang::InitializePreprocessor(
}
}
}
-
+
// Even with predefines off, some macros are still predefined.
// These should all be defined in the preprocessor according to the
// current language configuration.
@@ -1114,7 +1154,7 @@ void clang::InitializePreprocessor(
// Instruct the preprocessor to skip the preamble.
PP.setSkipMainFilePreamble(InitOpts.PrecompiledPreambleBytes.first,
InitOpts.PrecompiledPreambleBytes.second);
-
+
// Copy PredefinedBuffer into the Preprocessor.
PP.setPredefines(Predefines.str());
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-09 08:03:44 +0000