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5 Commits

Author SHA1 Message Date
Gabor Buella da4a966e1c NFC - Various typo fixes in tests 
llvm-svn: 336268
 2018-07-04 13:28:39 +00:00
Simon Pilgrim a1978aaefd [NVPTX] Don't flag StoreRetVal memory chain operands as ReadMem (PR32146) 
This fixes 47 of the 75 NVPTX '-verify-machineinstrs with EXPENSIVE_CHECKS' errors in PR32146.

Differential Revision: https://reviews.llvm.org/D33147

llvm-svn: 302942
 2017-05-12 19:56:43 +00:00
Justin Lebar 47087814f1 [NVPTX] Fix function names in ctlz.ll test. Test-only change. 
Looks like a copy/paste mistake, all the functions in ctlz.ll were named
"ctpop".

llvm-svn: 292300
 2017-01-18 00:07:52 +00:00
Justin Lebar d17de5380b [NVPTX] Improve lowering of llvm.ctlz. 
Summary:
* Disable "ctlz speculation", which inserts a branch on every ctlz(x) which
  has defined behavior on x == 0 to check whether x is, in fact zero.

* Add DAG patterns that avoid re-truncating or re-expanding the result
  of the 16- and 64-bit ctz instructions.

Reviewers: tra

Subscribers: llvm-commits, jholewinski

Differential Revision: https://reviews.llvm.org/D28719

llvm-svn: 292299
 2017-01-18 00:07:35 +00:00
Justin Holewinski dc372df63b [NVPTX] Add support for cttz/ctlz/ctpop 
llvm-svn: 185176
 2013-06-28 17:58:07 +00:00