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Add __nonnull/__nullable/__null_unspecified predefines for Darwin. 

Addresses the rest of rdar://problem/21530726.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@240597 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor 2015-06-24 22:02:16 +00:00
parent 673b679df9
commit 9e31ec1a14
2 changed files with 20 additions and 0 deletions
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8
lib/Frontend/InitPreprocessor.cpp
View File

@ -868,6 +868,14 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
"__attribute__((objc_ownership(none)))");
}
// On Darwin, there are __double_underscored variants of the type
// nullability qualifiers.
if (TI.getTriple().isOSDarwin()) {
Builder.defineMacro("__nonnull", "_Nonnull");
Builder.defineMacro("__null_unspecified", "_Null_unspecified");
Builder.defineMacro("__nullable", "_Nullable");
}
// OpenMP definition
if (LangOpts.OpenMP) {
// OpenMP 2.2:

12
test/Preprocessor/predefined-nullability.c Normal file
View File

@ -0,0 +1,12 @@
// RUN: %clang_cc1 %s -E -dM -triple i386-apple-darwin10 -o - | FileCheck %s --check-prefix=CHECK-DARWIN
// RUN: %clang_cc1 %s -E -dM -triple x86_64-unknown-linux -o - | FileCheck %s --check-prefix=CHECK-NONDARWIN
// CHECK-DARWIN: #define __nonnull _Nonnull
// CHECK-DARWIN: #define __null_unspecified _Null_unspecified
// CHECK-DARWIN: #define __nullable _Nullable
// CHECK-NONDARWIN-NOT: __nonnull
// CHECK-NONDARWIN: #define __clang__
// CHECK-NONDARWIN-NOT: __nonnull