It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/Win32.h b/lib/System/Win32/Win32.h
new file mode 100644
index 0000000..71f0be5
--- /dev/null
+++ b/lib/System/Win32/Win32.h
@@ -0,0 +1,57 @@
+//===- Win32/Win32.h - Common Win32 Include File ----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Jeff Cohen and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines things specific to Win32 implementations.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only generic Win32 code that
+//=== is guaranteed to work on *all* Win32 variants.
+//===----------------------------------------------------------------------===//
+
+// Require at least Windows 2000 API.
+#define _WIN32_WINNT 0x0500
+
+#include "llvm/Config/config.h" // Get autoconf configuration settings
+#include "windows.h"
+#include <cassert>
+#include <string>
+
+inline bool MakeErrMsg(std::string* ErrMsg, const std::string& prefix) {
+ if (!ErrMsg)
+ return true;
+ char *buffer = NULL;
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, GetLastError(), 0, (LPSTR)&buffer, 1, NULL);
+ *ErrMsg = prefix + buffer;
+ LocalFree(buffer);
+ return true;
+}
+
+class AutoHandle {
+ HANDLE handle;
+
+public:
+ AutoHandle(HANDLE h) : handle(h) {}
+
+ ~AutoHandle() {
+ if (handle)
+ CloseHandle(handle);
+ }
+
+ operator HANDLE() {
+ return handle;
+ }
+
+ AutoHandle &operator=(HANDLE h) {
+ handle = h;
+ return *this;
+ }
+};