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(parent: 3d32386) | patch
Avoid overflowing a signed integer which triggers undefined behaviour.
authorJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 6 Apr 2010 03:12:43 +0000 (03:12 +0000)
committerJakob Stoklund Olesen <stoklund@2pi.dk>
Tue, 6 Apr 2010 03:12:43 +0000 (03:12 +0000)
commitadc6e06ff0c5950abda86574c2da1fc6b863b75c
treec20b07a8e44760901a560f6cd951616db54b3eb4tree | snapshot
parent3d3238699280ec8ccd5c5579bc04a48229abe7efcommit | diff
Avoid overflowing a signed integer which triggers undefined behaviour.
Overflowing an unsigned integer is fine and behaves as you would expect.
Also fix a pasto, allowing SignExtend64 to take a 64-bit argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100517 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Support/MathExtras.h diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors