[llvm-commits] [llvm] r110117 - /llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp

[Chris Lattner]

Author: lattner
Date: Tue Aug  3 11:57:03 2010
New Revision: 110117

URL: http://llvm.org/viewvc/llvm-project?rev=110117&view=rev
Log:
avoid undefined behavior negating minint.

Modified:
    llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp

Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=110117&r1=110116&r2=110117&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
+++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Tue Aug  3 11:57:03 2010
@@ -735,8 +735,8 @@
       Code = bitc::CST_CODE_UNDEF;
     } else if (const ConstantInt *IV = dyn_cast<ConstantInt>(C)) {
       if (IV->getBitWidth() <= 64) {
-        int64_t V = IV->getSExtValue();
-        if (V >= 0)
+        uint64_t V = IV->getSExtValue();
+        if ((int64_t)V >= 0)
           Record.push_back(V << 1);
         else
           Record.push_back((-V << 1) | 1);