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authorNAKAMURA Takumi <geek4civic@gmail.com>2011-08-11 21:59:55 +0000
committerNAKAMURA Takumi <geek4civic@gmail.com>2011-08-11 21:59:55 +0000
commit4c7324d032adec5dcd4a6d638e70cfae03742d7c (patch)
tree77599596d2423fc8c30a901cfb0607aad6fd2199 /include/llvm/Support/DataTypes.h.cmake
parent796d6b7602f0279b52ff5c105fb73fbdf444f030 (diff)
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DataTypes.h.cmake: Tweak INT32_MIN for MSVC. MSC treats -2147483648 as -(2147483648U).
It caused an unexpected behavior since r137254. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137365 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/DataTypes.h.cmake')
-rw-r--r--include/llvm/Support/DataTypes.h.cmake3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/llvm/Support/DataTypes.h.cmake b/include/llvm/Support/DataTypes.h.cmake
index 72c451873c..260ed9bb5c 100644
--- a/include/llvm/Support/DataTypes.h.cmake
+++ b/include/llvm/Support/DataTypes.h.cmake
@@ -131,7 +131,8 @@ typedef signed int ssize_t;
# 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