diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2022-02-05 18:04:23 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2022-02-05 18:05:05 +0000 |
| commit | ecbca9f5fb7d7613d2b94982c4825eb0d33d6842 (patch) | |
| tree | 3a4038f3b7bafaeade9fd6146ea8021237616657 /clang/lib/Frontend/InitPreprocessor.cpp | |
| parent | 6f8fc217eaa12bf657be1c6468ed9938d10168b3 (diff) | |
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 a9023a7a1171..e259ab47c558 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); |