Commit Graph

2 Commits

Author SHA1 Message Date
Sanjay Patel 2b1f6f4b92 [InstSimplify] vector div/rem with any zero element in divisor is undef
This was suggested as a DAG simplification in the review for rL297026 :
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20170306/435253.html
...but let's start with IR since we have actual docs for IR (LangRef).

Differential Revision:
https://reviews.llvm.org/D30665

llvm-svn: 297390
2017-03-09 16:20:52 +00:00
Simon Pilgrim b2116d9b94 [InstCombine] Add vector urem tests
Demonstrate missed opportunity for urem -> and combine for powerof2 or zero non-uniform constant dividers

llvm-svn: 288510
2016-12-02 17:16:21 +00:00