[libc-commits] [PATCH] D150942: [libc] Make predicate macros be usable in `if constexpr (...)` contexts.

[Siva Chandra via Phabricator via libc-commits]

sivachandra created this revision.
sivachandra added a reviewer: gchatelet.
Herald added subscribers: libc-commits, ecnelises, tschuett.
Herald added projects: libc-project, All.
sivachandra requested review of this revision.

DO NOT SUBMIT - sending it out just to collect opinion.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150942

Files:
  libc/src/__support/macros/properties/architectures.h


Index: libc/src/__support/macros/properties/architectures.h
===================================================================
--- libc/src/__support/macros/properties/architectures.h
+++ libc/src/__support/macros/properties/architectures.h
@@ -38,7 +38,10 @@
 #endif
 
 #if (defined(__arm__) || defined(_M_ARM))
-#define LIBC_TARGET_ARCH_IS_ARM
+#define LIBC_TARGET_ARCH_IS_ARM LIBC_TARGET_ARCH_IS_ARM
+inline constexpr bool LIBC_TARGET_ARCH_IS_ARM = true;
+#else
+inline constexpr bool LIBC_TARGET_ARCH_IS_ARM = false;
 #endif
 
 #if defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)


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