Use instruction itinerary to determine what instructions are 'cheap'.

[oota-llvm.git] / include / llvm / System / Atomic.h

diff --git a/include/llvm/System/Atomic.h b/include/llvm/System/Atomic.h
index 4ec117be2926f0b594ad3e056b6d959fc31bc5f8..fc19369d11bdeb387f34ef02c741cea160736fad 100644 (file)
--- a/include/llvm/System/Atomic.h
+++ b/include/llvm/System/Atomic.h
@@ -14,13 +14,17 @@
 #ifndef LLVM_SYSTEM_ATOMIC_H
 #define LLVM_SYSTEM_ATOMIC_H
 
-#include "llvm/Support/DataTypes.h"
+#include "llvm/System/DataTypes.h"
 
 namespace llvm {
   namespace sys {
     void MemoryFence();
 
+#ifdef _MSC_VER
+    typedef long cas_flag;
+#else
     typedef uint32_t cas_flag;
+#endif
     cas_flag CompareAndSwap(volatile cas_flag* ptr,
                             cas_flag new_value,
                             cas_flag old_value);