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Commit Graph

18 Commits

Author SHA1 Message Date
Bob Wilson
d7f24e831f Change instcombine's getShuffleMask to represent undef with negative values.
This code had previously used 2*N, where N is the mask length, to represent
undef.  That is not safe because the shufflevector operands may have more
than N elements -- they don't have to match the result type.

llvm-svn: 117721
2010-10-29 22:03:05 +00:00
Bob Wilson
996353fb5d Make instcombine a little more aggressive in combining vector shuffles.
Allow splats even if they don't match either of the original shuffles,
possibly due to undef entries in the shuffles masks.  Radar 8597790.
Also fix some 80-column violations.

llvm-svn: 117719
2010-10-29 22:02:50 +00:00
Eric Christopher
08e9f0250a Temporarily revert r110987 as it's causing some miscompares in
vector heavy code.  I'll re-enable when we've tracked down the problem.

llvm-svn: 111318
2010-08-17 22:55:27 +00:00
Nate Begeman
e57074fc48 Reapply this transformation now that it is passing the external test which it previously failed.
llvm-svn: 110987
2010-08-13 00:17:53 +00:00
Eric Christopher
34acdf57df Temporarily revert 110737 and 110734, they were causing failures
in an external testsuite.

llvm-svn: 110905
2010-08-12 07:01:22 +00:00
Nate Begeman
36e284c2be Add test for recent instcombine vector shuffle enhancement
llvm-svn: 110737
2010-08-10 21:58:00 +00:00
Chris Lattner
23334439e9 add newlines at the end of files.
llvm-svn: 100705
2010-04-07 22:53:17 +00:00
Chris Lattner
cb56deb798 reduce vec_shuffle2 and merge into vec_shuffle.
llvm-svn: 83807
2009-10-11 22:54:48 +00:00
Chris Lattner
33bff4602c filecheckize vec_shuffle.ll and merge shuffle.ll into it.
llvm-svn: 83806
2009-10-11 22:52:15 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis.
llvm-svn: 81257
2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.

llvm-svn: 81226
2009-09-08 16:50:01 +00:00
Reid Spencer
cdd728cca2 For PR1319:
Make use of the END. facility on all files > 1K so that we aren't wasting CPU
cycles searching for RUN: lines that we'll never find.

llvm-svn: 36059
2007-04-15 07:38:21 +00:00
Reid Spencer
c49d7dd886 For PR1319:
Upgrade tests to work with new llvm.exp version of llvm_runtest.

llvm-svn: 36013
2007-04-14 20:13:02 +00:00
Reid Spencer
50ee6b8557 Remove use of implementation keyword.
llvm-svn: 35412
2007-03-28 02:38:26 +00:00
Reid Spencer
82293f34de For PR411:
Update these tests to not use the same name even though the type of the
value differs. After PR411 hits, type planes will be gone and it will be
illegal for a name to be used twice, regardless of type.

llvm-svn: 33660
2007-01-30 16:16:01 +00:00
Reid Spencer
6a31ec1259 For PR761:
Remove "target endian/pointersize" or add "target datalayout" to make
the test parse properly or set the datalayout because defaults changes.

For PR645:
Make global names use the @ prefix.

For llvm-upgrade changes:
Fix test cases or completely remove use of llvm-upgrade for test cases
that cannot survive the new renaming or upgrade capabilities.

llvm-svn: 33533
2007-01-26 08:25:06 +00:00
Reid Spencer
4572ce85b0 Regression is gone, don't try to find it on clean target.
llvm-svn: 33296
2007-01-17 07:59:14 +00:00