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| author | Philip Reames <listmail@philipreames.com> | 2021-07-15 10:59:02 -0700 |
|---|---|---|
| committer | Philip Reames <listmail@philipreames.com> | 2021-07-15 11:55:00 -0700 |
| commit | b980d2f54bb652208eeb9a6543b8d838b65ad099 (patch) | |
| tree | 6005541949defb28bb885f2c10ff68eca9173643 /lldb/test/API/python_api/process/main.cpp | |
| parent | 8fb47456a356c5bfe0046a9d1c74cb048a4624bf (diff) | |
[unittest] Exercise SCEV's udiv and udiv ceiling routines
The ceiling variant was recently added (due to the work towards D105216), and we're spending a lot of time trying to find optimizations for the expression. This patch brute forces the space of i8 unsigned divides and checks that we get a correct (well consistent with APInt) result for both udiv and udiv ceiling.
(This is basically what I've been doing locally in a hand rolled C++ program, and I realized there no good reason not to check it in as a unit test which directly exercises the logic on constants.)
Differential Revision: https://reviews.llvm.org/D106083
Diffstat (limited to 'lldb/test/API/python_api/process/main.cpp')
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