https://github.com/jhuber6 created https://github.com/llvm/llvm-project/pull/196103
Summary: Adds a macro like for `__LINUX__` or `__WIN32`. The intention here is to let code differentiate between vulkan variants or not. >From 054928cb381c171a700c89c95c92a4141e5c9875 Mon Sep 17 00:00:00 2001 From: Joseph Huber <[email protected]> Date: Wed, 6 May 2026 10:59:29 -0500 Subject: [PATCH] [Clang] Add macro for `__VULKAN__` environment Summary: Adds a macro like for `__LINUX__` or `__WIN32`. The intention here is to let code differentiate between vulkan variants or not. --- clang/lib/Basic/Targets/SPIR.cpp | 2 ++ clang/test/Preprocessor/predefined-macros.c | 7 +++++++ 2 files changed, 9 insertions(+) diff --git a/clang/lib/Basic/Targets/SPIR.cpp b/clang/lib/Basic/Targets/SPIR.cpp index e55a6ed8bc63f..b6d6b213d78ed 100644 --- a/clang/lib/Basic/Targets/SPIR.cpp +++ b/clang/lib/Basic/Targets/SPIR.cpp @@ -89,6 +89,8 @@ void BaseSPIRVTargetInfo::getTargetDefines(const LangOptions &Opts, DefineStd(Builder, "SPIRV", Opts); if (Opts.HLSL) DefineStd(Builder, "spirv", Opts); + if (getTriple().isVulkanOS()) + Builder.defineMacro("__VULKAN__"); } void SPIRVTargetInfo::getTargetDefines(const LangOptions &Opts, diff --git a/clang/test/Preprocessor/predefined-macros.c b/clang/test/Preprocessor/predefined-macros.c index 8dbb477be4c5d..ab85cfc00b42a 100644 --- a/clang/test/Preprocessor/predefined-macros.c +++ b/clang/test/Preprocessor/predefined-macros.c @@ -238,6 +238,13 @@ // CHECK-SPIRV64-NOT: #define __SPIRV32__ 1 // CHECK-SPIRV64-NOT: #define __spirv__ 1 +// RUN: %clang_cc1 %s -E -dM -o - -x c -triple spirv64-unknown-vulkan \ +// RUN: | FileCheck -match-full-lines %s --check-prefix=CHECK-SPIRV64-VULKAN +// CHECK-SPIRV64-VULKAN-DAG: #define __SPIRV__ 1 +// CHECK-SPIRV64-VULKAN-DAG: #define __SPIRV64__ 1 +// CHECK-SPIRV64-VULKAN-DAG: #define __VULKAN__ 1 +// CHECK-SPIRV64-VULKAN-NOT: #define __SPIRV32__ 1 + // RUN: %clang_cc1 %s -E -dM -o - -x cl -triple spirv64-amd-amdhsa \ // RUN: | FileCheck -match-full-lines %s --check-prefix=CHECK-SPIRV64-AMDGCN // RUN: %clang_cc1 %s -E -dM -o - -x cl -triple spirv64-amd-amdhsa -fatomic-ignore-denormal-mode \ _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
