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8fb02511d2
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8502 Commits

Author SHA1 Message Date
Chris Lattner
8fb02511d2 optimize test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 07:44:36 +00:00
Chris Lattner
c22d4d1500 unify the code that determines whether it is a good idea to change the type 
of a computation.  This fixes some infinite loops when dealing with TD that
has no native types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86670 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 07:23:37 +00:00
Nick Lewycky
58571d663c Reapply r86359, "Teach dead store elimination that certain intrinsics write to 
memory just like a store" with bug fixed (partial-overwrite.ll is the
regression test).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86667 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 06:46:40 +00:00
Chris Lattner
fddcf47a24 make jump threading recursively simplify expressions instead of doing it 
just one level deep.  On the testcase we go from getting this:

F1:                                               ; preds = %T2
  %F = and i1 true, %cond                         ; <i1> [#uses=1]
  br i1 %F, label %X, label %Y

to a fully threaded:

F1:                                               ; preds = %T2
  br label %Y


This changes gets us to the point where we're forming (too many) switch 
instructions on doug's strswitch testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 01:57:31 +00:00
Dan Gohman
7dd126cf4f Trim a bunch of unneeded code from this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-10 01:33:08 +00:00
Mike Stump
75adb32c60 Add testcase for recent checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 23:10:49 +00:00
Jim Grosbach
3f51147d44 Update test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86614 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 22:59:01 +00:00
Dan Gohman
f75ef668a7 Default-addressspace null pointers don't alias anything. This allows 
GVN to be more aggressive. Patch by Hans Wennborg! (with a comment added by me)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 19:29:11 +00:00
Dan Gohman
f6572d0aa2 Generalize LCSSA to handle loops with exits with predecessors outside 
the loop. This is needed because with indirectbr it may not be possible
for LoopSimplify to guarantee that all loop exit predecessors are
inside the loop. This fixes PR5437.

LCCSA no longer actually requires LoopSimplify form, but for now it
must still have the dependency because the PassManager doesn't know
how to schedule LoopSimplify otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86569 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 18:28:24 +00:00
Daniel Dunbar
75657ade45 Use ',' separation in XFAILs, lit doesn't evaluate them as regexs (easy to add, 
but might as well use the more standard syntax).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 16:38:15 +00:00
Chris Lattner
7e606e2e98 if a 'with overflow' intrinsic just has the normal result used, simplify 
it to a normal binop.  Patch by Alastair Lynn, testcase by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86524 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 07:07:56 +00:00
Chris Lattner
dd21a1cba4 enhance PHI slicing to handle the case when a slicable PHI is begin 
used by a chain of other PHIs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86503 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 01:38:00 +00:00
Owen Anderson
b05a1d116f Revert my previous patch to ABCD and fix things the right way. There are two problems addressed 
here:

1) We need to avoid processing sigma nodes as phi nodes for constraint generation.
2) We need to generate constraints for comparisons against constants properly.

This includes our first working ABCD test!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 00:44:44 +00:00
Jim Grosbach
e5165490b7 Use Unified Assembly Syntax for the ARM backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 00:11:35 +00:00
Chris Lattner
bf382b5f74 Teach an instcombine to not pull trunc instructions through PHI nodes 
when both the source and dest are illegal types, since it would cause
the phi to grow (for example, we shouldn't transform test14b's phi to
a phi on i320).  This fixes an infinite loop on i686 bootstrap with
phi slicing turned on, so turn it back on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 21:20:06 +00:00
Chris Lattner
9956c056c1 reapply r8644[3-5] with only the scary part 
(SliceUpIllegalIntegerPHI) disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 19:23:30 +00:00
Daniel Dunbar
d11a7c3b03 Speculatively revert r8644[3-5], they seem to be leading to infinite loops in 
llvm-gcc bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 17:52:47 +00:00
Anton Korobeynikov
f0b47b7f6d Add and-not (bic) patterns. Based heavily on patch by Brian Lucas! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 15:33:12 +00:00
Anton Korobeynikov
52f28e9b63 Fix invalid operand updates & implement post-inc memory operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86466 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 14:27:38 +00:00
Anton Korobeynikov
c2fd919ea2 It is invalid to infer the value type from the result #0 of the node 
since the instruction might use the other result of different type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 12:14:54 +00:00
Daniel Dunbar
4080d10b4b Two small fixes for site.exp for cmake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:29:52 +00:00
Daniel Dunbar
5ed7be1a40 Derive the right paths to use during testing instead of passing it in via make. 
Also, fix a few other details of the cmake test target and rename it to
'check'. CMake tests now work for the most part, but there are a handful of
failures left due to missing site.exp bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86452 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:08:00 +00:00
Daniel Dunbar
fb4fb6ddb0 Switch to using 'lit.site.cfg.in' for the site config template for Unit tests, 
and generate it for CMake builds as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:07:51 +00:00
Daniel Dunbar
16bc8783c9 Cleanup some unused RUN lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86450 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 09:07:42 +00:00
Chris Lattner
ce306a450f another more interesting test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:36:40 +00:00
Chris Lattner
04ab669d0b feature test for the new transformation in r86443 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:30:58 +00:00
Chris Lattner
91114966b1 teach a couple of instcombine transformations involving PHIs to 
not turn a PHI in a legal type into a PHI of an illegal type, and
add a new optimization that breaks up insane integer PHI nodes into
small pieces (PR3451).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86443 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 08:21:13 +00:00
Nick Lewycky
70a1ce2557 Remove test. Execution tests are slow and generally not worth it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 02:23:15 +00:00
Nick Lewycky
6cf7349580 Fix run line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 01:04:45 +00:00
Nick Lewycky
dbf6f518e9 Fix the interpreter to not crash due to zeroext/signext 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-08 00:45:29 +00:00
Daniel Dunbar
e9b88e4440 Stop running get_target_triple more than we need to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86418 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 23:52:20 +00:00
Nate Begeman
0b10b91465 x86 vector shuffle cleanup/fixes: 
1. rename the movhp patfrag to movlhps, since thats what it actually matches
2. eliminate the bogus movhps load and store patterns, they were incorrect.  The load transforms are already handled (correctly) by shufps/unpack.
3. revert a recent test change to its correct form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86415 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 23:17:15 +00:00
Nick Lewycky
f80fcd00b3 Improve tail call elimination to handle the switch statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86403 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 21:10:15 +00:00
Chris Lattner
f1c104fb32 temporarily remove these tests, as they are breaking in the buildbot, 
Eric, please investigate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86399 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 19:13:17 +00:00
Chris Lattner
918871ee01 make instcombine only rewrite a chain of computation 
(eliminating some extends) if the new type of the
computation is legal or if both the source and dest
are illegal.  This prevents instcombine from changing big
chains of computation into i64 on 32-bit targets for 
example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86398 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 19:11:46 +00:00
Chris Lattner
b8391aa969 remove empty files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86392 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 18:03:32 +00:00
Chris Lattner
1d95725d60 Revert r86359, it is breaking the self host on the 
llvm-gcc-i386-darwin9 build bot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86391 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 17:59:32 +00:00
Anton Korobeynikov
6534f83ae8 Add some dummy support for post-incremented loads 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86385 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 17:15:06 +00:00
Anton Korobeynikov
8983da729a Add 8 bit libcalls and make use of them for msp430 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 17:14:39 +00:00
Anton Korobeynikov
123ed8f099 Initial support for addrmode handling. Tests by Brian Lucas! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 17:13:35 +00:00
Anton Korobeynikov
e8ea011cc7 It turns out that the testcase in question uncovered subreg-handling bug. 
Add assert in asmprinter to catch such cases and xfail the tests.
PR is to be filled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86375 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 15:20:32 +00:00
Eric Christopher
761411c21b Fix a couple of shuffle patterns to use movhlps instead 
of movhps as the constraint.  Changes optimizations so
update testcases as appropriate as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86360 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 08:45:53 +00:00
Nick Lewycky
4de9b7f51f Teach dead store elimination that certain intrinsics write to memory just like 
a store.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86359 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 08:34:40 +00:00
Chris Lattner
5729d38c81 reapply 86289, 86278, 86270, 86267, 86266 & 86264 plus a fix 
(making pred factoring only happen if threading is guaranteed
to be successful).

This now survives an X86-64 bootstrap of llvm-gcc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86355 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 08:05:03 +00:00
Chris Lattner
e880efe446 Fix PR5421 by APInt'izing switch lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 07:50:34 +00:00
Nick Lewycky
cb19438f63 Oops, FunctionContainsEscapingAllocas is really used to mean two different 
things. Back out part of r86349 for a moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86353 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 07:42:38 +00:00
Nick Lewycky
0cade26132 Dust off tail recursion elimination. Fix a fixme by applying CaptureTracking 
and add a .ll to demo the new capability.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86349 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 07:10:01 +00:00
Chris Lattner
e503871315 merge cmp1 into cmp0 and filecheckize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86345 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 06:19:20 +00:00
Evan Cheng
d457e6e9a5 Refactor code. Fix a potential missing check. Teach isIdentical() about tLDRpci_pic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86330 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 04:04:34 +00:00
Evan Cheng
78e5c1140a - Add TargetInstrInfo::isIdentical(). It's similar to MachineInstr::isIdentical 
except it doesn't care if the definitions' virtual registers differ. This is
  used by machine LICM and other MI passes to perform CSE.
- Teach Thumb2InstrInfo::isIdentical() to check two t2LDRpci_pic are identical.
  Since pc relative constantpool entries are always different, this requires it
  it check if the values can actually the same.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-07 03:52:02 +00:00