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| author | Chris Lattner <sabre@nondot.org> | 2010-08-03 16:57:03 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-08-03 16:57:03 +0000 |
| commit | 79102d97256daf3cd9ce4e468883af6e7bced09f (patch) | |
| tree | a97cf140c5149a2a18c717672bbf29a3cd60e2d9 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 278008f5460f54be1fcde8d83076b248a6d417b8 (diff) | |
| download | bcm5719-llvm-79102d97256daf3cd9ce4e468883af6e7bced09f.tar.gz bcm5719-llvm-79102d97256daf3cd9ce4e468883af6e7bced09f.zip | |
avoid undefined behavior negating minint.
llvm-svn: 110117
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 93ca8cdaacd..776c2d4495c 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -735,8 +735,8 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal, 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); |
