[llvm] Add RPMALLOC TLS support for Windows (PR #171465)

[via llvm-commits]

github-actions[bot] wrote:

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``````````bash
git-clang-format --diff origin/main HEAD --extensions c -- llvm/lib/Support/rpmalloc/rpmalloc.c --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Support/rpmalloc/rpmalloc.c b/llvm/lib/Support/rpmalloc/rpmalloc.c
index fec33f33a..72ae66814 100644
--- a/llvm/lib/Support/rpmalloc/rpmalloc.c
+++ b/llvm/lib/Support/rpmalloc/rpmalloc.c
@@ -968,49 +968,49 @@ static void _rpmalloc_spin(void) {
 #endif
 }
 
-#if defined(_WIN32) && (!defined(BUILD_DYNAMIC_LINK) || !BUILD_DYNAMIC_LINK)
-
-static void NTAPI RPMallocTlsOnThreadExit(PVOID module, DWORD reason,
-                                          PVOID reserved) {
-  switch (reason) {
-  case DLL_PROCESS_ATTACH:
-    break;
-  case DLL_PROCESS_DETACH:
-    rpmalloc_finalize();
-    break;
-  case DLL_THREAD_ATTACH:
-    break;
-  case DLL_THREAD_DETACH:
-    rpmalloc_thread_finalize(1);
-    break;
-  }
-}
-
-#ifdef _WIN64
-#pragma comment(linker, "/INCLUDE:_tls_used")
-#pragma comment(linker, "/INCLUDE:rpmalloc_tls_thread_exit_callback")
-
-#pragma const_seg(".CRT$XLY")
-
-extern const PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback;
-const PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback =
-    RPMallocTlsOnThreadExit;
-
-// Reset const section
-#pragma const_seg()
-#else // _WIN64
-#pragma comment(linker, "/INCLUDE:__tls_used")
-#pragma comment(linker, "/INCLUDE:_rpmalloc_tls_thread_exit_callback")
-
-#pragma data_seg(".CRT$XLY")
-
-PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback = RPMallocTlsOnThreadExit;
-
-// Reset data section
-#pragma data_seg()
-#endif // _WIN64
-
-static void NTAPI _rpmalloc_thread_destructor(void *value) {
+#if defined(_WIN32) && (!defined(BUILD_DYNAMIC_LINK) || !BUILD_DYNAMIC_LINK)
+
+static void NTAPI RPMallocTlsOnThreadExit(PVOID module, DWORD reason,
+                                          PVOID reserved) {
+  switch (reason) {
+  case DLL_PROCESS_ATTACH:
+    break;
+  case DLL_PROCESS_DETACH:
+    rpmalloc_finalize();
+    break;
+  case DLL_THREAD_ATTACH:
+    break;
+  case DLL_THREAD_DETACH:
+    rpmalloc_thread_finalize(1);
+    break;
+  }
+}
+
+#ifdef _WIN64
+#pragma comment(linker, "/INCLUDE:_tls_used")
+#pragma comment(linker, "/INCLUDE:rpmalloc_tls_thread_exit_callback")
+
+#pragma const_seg(".CRT$XLY")
+
+extern const PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback;
+const PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback =
+    RPMallocTlsOnThreadExit;
+
+// Reset const section
+#pragma const_seg()
+#else // _WIN64
+#pragma comment(linker, "/INCLUDE:__tls_used")
+#pragma comment(linker, "/INCLUDE:_rpmalloc_tls_thread_exit_callback")
+
+#pragma data_seg(".CRT$XLY")
+
+PIMAGE_TLS_CALLBACK rpmalloc_tls_thread_exit_callback = RPMallocTlsOnThreadExit;
+
+// Reset data section
+#pragma data_seg()
+#endif // _WIN64
+
+static void NTAPI _rpmalloc_thread_destructor(void *value) {
 #if ENABLE_OVERRIDE
   // If this is called on main thread it means rpmalloc_finalize
   // has not been called and shutdown is forced (through _exit) or unclean

``````````

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https://github.com/llvm/llvm-project/pull/171465