David Majnemer 7ceba3a1b0 InstSimplify: The upper bound of X / C was missing a rounding step
Summary:
When calculating the upper bound of X / -8589934592, we would perform
the following calculation: Floor[INT_MAX / 8589934592]

However, flooring the result would make us wrongly come to the
conclusion that 1073741824 was not in the set of possible values.
Instead, use the ceiling of the result.

Reviewers: nicholas

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D4502

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212976 91177308-0d34-0410-b5e6-96231b3b80d8
2014-07-14 19:49:57 +00:00
2014-06-02 12:54:32 +00:00
2014-07-14 05:01:53 +00:00
2014-07-14 05:01:53 +00:00
2014-06-25 13:13:36 +00:00
2014-05-29 19:59:58 +00:00

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