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| author | Chad Rosier <mcrosier@apple.com> | 2012-06-08 18:04:52 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2012-06-08 18:04:52 +0000 |
| commit | 28dd960cd1c346c5beef4585d6ea68ae31be0faf (patch) | |
| tree | 0186b83e858f8f1927c850aa1012ad707a9fbc03 /lib | |
| parent | c36d033c08c6148846f61cc7aee4fe0f523af1e5 (diff) | |
| download | external_llvm-28dd960cd1c346c5beef4585d6ea68ae31be0faf.zip external_llvm-28dd960cd1c346c5beef4585d6ea68ae31be0faf.tar.gz external_llvm-28dd960cd1c346c5beef4585d6ea68ae31be0faf.tar.bz2 | |
Fix a crash in APInt::lshr when shiftAmt > BitWidth.
Patch by James Benton <jbenton@vmware.com>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158213 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Support/APInt.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 9b81fe7..6a74883 100644 --- a/lib/Support/APInt.cpp +++ b/lib/Support/APInt.cpp @@ -1135,7 +1135,7 @@ APInt APInt::lshr(unsigned shiftAmt) const { // If all the bits were shifted out, the result is 0. This avoids issues // with shifting by the size of the integer type, which produces undefined // results. We define these "undefined results" to always be 0. - if (shiftAmt == BitWidth) + if (shiftAmt >= BitWidth) return APInt(BitWidth, 0); // If none of the bits are shifted out, the result is *this. This avoids |