[llvm] [Offload] define MSVC byte-order macros for rtl endianness checks (PR #202540)

[Alex Duran via llvm-commits]

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@@ -33,6 +33,13 @@
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/raw_ostream.h"
 
+// TODO: Replace with a shared runtime endianness abstraction.
+#if defined(_MSC_VER) || defined(_WIN32)
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adurang wrote:

isn't just the _WIN32 define enough?

https://github.com/llvm/llvm-project/pull/202540