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[clang] Introduce a new UEFI target predefine. #111719

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Merged
merged 8 commits into from
Dec 23, 2024
Merged

[clang] Introduce a new UEFI target predefine. #111719

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05eab97
[clang] Introduce a new UEFI target predefine.
Prabhuk Oct 9, 2024
4ef8bcd
Update OSTargets.h
Prabhuk Nov 13, 2024
bcccf1f
add __UEFI__ to windows predefines
Prabhuk Nov 13, 2024
2f6af56
Removing the predefine from Windows targets. Keeping it only on UEFI.
Prabhuk Dec 20, 2024
4c96e0d
Add a test to check if __UEFI__ is defined for UEFI targets.
Prabhuk Dec 21, 2024
8e9ef1f
Merge branch 'main' into uefi_predefines
Prabhuk Dec 21, 2024
2bdba34
Add a second test for __UEFI__ predefine.
Prabhuk Dec 21, 2024
e684ec8
Merge branch 'main' into uefi_predefines
Prabhuk Dec 22, 2024
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4 changes: 3 additions & 1 deletion clang/lib/Basic/Targets/OSTargets.h
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Original file line number Diff line number Diff line change
Expand Up @@ -790,7 +790,9 @@ template <typename Target>
class LLVM_LIBRARY_VISIBILITY UEFITargetInfo : public OSTargetInfo<Target> {
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override {}
MacroBuilder &Builder) const override {
Builder.defineMacro("__UEFI__");
}

public:
UEFITargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
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6 changes: 6 additions & 0 deletions clang/test/Driver/uefi-defines.c
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@@ -0,0 +1,6 @@
// RUN: %clang -target x86_64-unknown-uefi %s -emit-llvm -S -c -o - | FileCheck %s

// CHECK: __UEFI__defined
#ifdef __UEFI__
void __UEFI__defined() {}
#endif
4 changes: 4 additions & 0 deletions clang/test/Preprocessor/init.c
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Expand Up @@ -2742,3 +2742,7 @@
// RISCV64-LINUX: #define __unix__ 1
// RISCV64-LINUX: #define linux 1
// RISCV64-LINUX: #define unix 1

// RUN: %clang_cc1 -dM -triple=x86_64-uefi -E /dev/null | FileCheck -match-full-lines -check-prefix UEFI %s

// UEFI: #define __UEFI__ 1
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