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f75dbeb8e7
We are adding a sign extended IR value to an int64_t, which can cause signed overflows, as in the attached test case, where we have a formula with BaseOffset = -1 and a constant with numeric_limits<int64_t>::min(). If the addition would overflow, skip the simplification for this formula. Note that the target triple is required to trigger the failure. Reviewers: qcolombet, gilr, kparzysz, efriedma Reviewed By: efriedma Differential Revision: https://reviews.llvm.org/D59211 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356256 91177308-0d34-0410-b5e6-96231b3b80d8