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archived-llvm/test/Transforms/InstCombine
David Green 2c4ca6832f [InstCombine] Signed saturation patterns
This adds an instcombine matcher for code that attempts to perform signed
saturating arithmetic by casting to a higher type. Unsigned cases are already
matched, this adds extra matches for the more complex signed cases, which
involves matching the min(max(add a b)) nodes with proper extends to ensure
legality.

Differential Revision: https://reviews.llvm.org/D68651


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375505 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-22 15:39:47 +00:00
..
2019-10-21 15:01:59 +00:00
2019-09-26 19:01:18 +00:00
2019-08-14 16:50:06 +00:00
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This directory contains test cases for the instcombine transformation.  The
dated tests are actual bug tests, whereas the named tests are used to test
for features that the this pass should be capable of performing.