diff options
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index a9023a7..e259ab4 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -25,6 +25,7 @@ #include "clang/Serialization/ASTReader.h" #include "llvm/ADT/APFloat.h" #include "llvm/IR/DataLayout.h" +#include "llvm/IR/DerivedTypes.h" using namespace clang; static bool MacroBodyEndsInBackslash(StringRef MacroBody) { @@ -914,6 +915,13 @@ static void InitializePredefinedMacros(const TargetInfo &TI, Builder.defineMacro("__LONG_WIDTH__", Twine(TI.getLongWidth())); Builder.defineMacro("__LLONG_WIDTH__", Twine(TI.getLongLongWidth())); + size_t BitIntMaxWidth = TI.getMaxBitIntWidth(); + assert(BitIntMaxWidth <= llvm::IntegerType::MAX_INT_BITS && + "Target defined a max bit width larger than LLVM can support!"); + assert(BitIntMaxWidth >= TI.getLongLongWidth() && + "Target defined a max bit width smaller than the C standard allows!"); + Builder.defineMacro("__BITINT_MAXWIDTH__", Twine(BitIntMaxWidth)); + DefineTypeSize("__SCHAR_MAX__", TargetInfo::SignedChar, TI, Builder); DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Builder); DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Builder); |