Add __WINT_MAX__.

This definition is similar to __WCHAR_MAX__, except that it applies to
wint_t. It's also documented as being supported by GCC 4.5 and later.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319746 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 2d8caa20c06590f0aaf7192d7f699cb1d37ebff8..617b6aabcc758c26e4cbe0834afc2f8adba580fc 100644 (file)
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -751,6 +751,7 @@ 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);
 

diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c
index f767c7ad01a0794d69cefa403f7672aee55d4e35..51e1233456b8bacb16b562800000cbb5b36908ec 100644 (file)
--- a/test/Preprocessor/init.c
+++ b/test/Preprocessor/init.c
@@ -1243,6 +1243,7 @@
 // AARCH64-FREEBSD:#define __WCHAR_TYPE__ unsigned int
 // AARCH64-FREEBSD:#define __WCHAR_UNSIGNED__ 1
 // AARCH64-FREEBSD:#define __WCHAR_WIDTH__ 32
+// AARCH64-FREEBSD:#define __WINT_MAX__ 2147483647
 // AARCH64-FREEBSD:#define __WINT_TYPE__ int
 // AARCH64-FREEBSD:#define __WINT_WIDTH__ 32
 // AARCH64-FREEBSD:#define __aarch64__ 1
@@ -8440,6 +8441,7 @@
 // X86_64-CLOUDABI:#define __WCHAR_MAX__ 2147483647
 // X86_64-CLOUDABI:#define __WCHAR_TYPE__ int
 // X86_64-CLOUDABI:#define __WCHAR_WIDTH__ 32
+// X86_64-CLOUDABI:#define __WINT_MAX__ 2147483647
 // X86_64-CLOUDABI:#define __WINT_TYPE__ int
 // X86_64-CLOUDABI:#define __WINT_WIDTH__ 32
 // X86_64-CLOUDABI:#define __amd64 1
@@ -9364,6 +9366,7 @@
 // WEBASSEMBLY32-NEXT:#define __WCHAR_TYPE__ int
 // WEBASSEMBLY32-NOT:#define __WCHAR_UNSIGNED__
 // WEBASSEMBLY32-NEXT:#define __WCHAR_WIDTH__ 32
+// WEBASSEMBLY32-NEXT:#define __WINT_MAX__ 2147483647
 // WEBASSEMBLY32-NEXT:#define __WINT_TYPE__ int
 // WEBASSEMBLY32-NOT:#define __WINT_UNSIGNED__
 // WEBASSEMBLY32-NEXT:#define __WINT_WIDTH__ 32
@@ -9695,6 +9698,7 @@
 // WEBASSEMBLY64-NEXT:#define __WCHAR_TYPE__ int
 // WEBASSEMBLY64-NOT:#define __WCHAR_UNSIGNED__
 // WEBASSEMBLY64-NEXT:#define __WCHAR_WIDTH__ 32
+// WEBASSEMBLY64-NEXT:#define __WINT_MAX__ 2147483647
 // WEBASSEMBLY64-NEXT:#define __WINT_TYPE__ int
 // WEBASSEMBLY64-NOT:#define __WINT_UNSIGNED__
 // WEBASSEMBLY64-NEXT:#define __WINT_WIDTH__ 32