[llvm-commits] [llvm] r137365 - /llvm/trunk/include/llvm/Support/DataTypes.h.cmake

[NAKAMURA Takumi]

Author: chapuni
Date: Thu Aug 11 16:59:55 2011
New Revision: 137365

URL: http://llvm.org/viewvc/llvm-project?rev=137365&view=rev
Log:
DataTypes.h.cmake: Tweak INT32_MIN for MSVC. MSC treats -2147483648 as -(2147483648U).

It caused an unexpected behavior since r137254.

Modified:
    llvm/trunk/include/llvm/Support/DataTypes.h.cmake

Modified: llvm/trunk/include/llvm/Support/DataTypes.h.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/DataTypes.h.cmake?rev=137365&r1=137364&r2=137365&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/DataTypes.h.cmake (original)
+++ llvm/trunk/include/llvm/Support/DataTypes.h.cmake Thu Aug 11 16:59:55 2011
@@ -131,7 +131,8 @@
 # define INT32_MAX 2147483647
 #endif
 #ifndef INT32_MIN
-# define INT32_MIN -2147483648
+/* MSC treats -2147483648 as -(2147483648U). */
+# define INT32_MIN (-INT32_MAX - 1)
 #endif
 #ifndef UINT32_MAX
 # define UINT32_MAX 4294967295U