Commit Graph

58040 Commits

Author SHA1 Message Date
Chris Lattner
82dd3d38d9 Fix the xfail I added a couple of patches back. The issue
was that we weren't properly handling the case when interior
nodes of a matched pattern become dead after updating chain
and flag uses.  Now we handle this explicitly in 
UpdateChainsAndFlags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97561 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 07:50:03 +00:00
Chris Lattner
61c97f6932 I was confused about this, it turns out that MorphNodeTo
*does* delete ex-operands that become dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97559 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 07:14:49 +00:00
Chris Lattner
3ff1e4db78 factor node morphing out to its own helper method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97558 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:55:04 +00:00
Chris Lattner
0724fbd6e9 attributes are not part of types anymore, patch by James Woodyatt!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97557 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:36:51 +00:00
Chris Lattner
4a3ac62332 eliminate CodeGen/DAGISelHeader.h, it is empty now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97556 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:36:28 +00:00
Chris Lattner
7c306da505 Sink InstructionSelect() out of each target into SDISel, and rename it
DoInstructionSelection.  Inline "SelectRoot" into it from DAGISelHeader.
Sink some other stuff out of DAGISelHeader into SDISel.

Eliminate the various 'Indent' stuff from various targets, which dates
to when isel was recursive.

 17 files changed, 114 insertions(+), 430 deletions(-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97555 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:34:30 +00:00
Eric Christopher
8d17882efa Only save vector registers if we've defined for the vector registers.
Fixes PR5309.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97554 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:25:00 +00:00
Chris Lattner
17b4b172eb move some code out of DAGISelHeader up to SelectionDAGISel.h where it
is shared by all targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97553 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 06:04:12 +00:00
Erick Tryzelaar
f3d5c91550 Fix looking up MD names to not need a module.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97550 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 05:32:52 +00:00
Eric Christopher
ec27496f4a Move the docsdir to /usr/share/doc/llvm to match other projects.
Fixes PR6267.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97549 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 05:17:21 +00:00
Eric Christopher
c771850380 Make sure we save CXXFLAGS before setting it as pedantic and regenerate
configure.

Fixes PR6388.

Patch by Yann Droneaud!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97548 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 05:06:54 +00:00
Eric Christopher
7b2c9e6a30 Add file to CMakeLists.txt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97545 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:49:43 +00:00
Evan Cheng
c6fe333688 Add skeleton of a machine level cse pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97543 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:38:24 +00:00
Evan Cheng
7f05aa72f9 Add count() and lookup() to ScopedHashTable. It might be useful to get information out of the hash table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97542 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:37:33 +00:00
Chris Lattner
6183fbd726 Use the right induction variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97541 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:37:23 +00:00
Chris Lattner
c6d7ad3c7d Rewrite chain handling validation and input TokenFactor handling
stuff now that we don't care about emulating the old broken 
behavior of the old isel.  This eliminates the 
'CheckChainCompatible' check (along with IsChainCompatible) which
did an incorrect and inefficient scan *up* the chain nodes which
happened as the pattern was being formed and does the validation
at the end in HandleMergeInputChains when it forms a structural 
pattern.  This scans "down" the graph, which means that it is
quickly bounded by nodes already selected.  This also handles
token factors that get "trapped" in the dag.

Removing the CheckChainCompatible nodes also shrinks the 
generated tables by about 6K for X86 (down to 83K).

There are two pieces remaining before I can nuke PreprocessRMW:
1. I xfailed a test because we're now producing worse code in a 
   case that has nothing to do with the change: it turns out that
   our use of MorphNodeTo will leave dead nodes in the graph
   which (depending on how the graph is walked) end up causing
   bogus uses of chains and blocking matches.  This is really 
   bad for other reasons, so I'll fix this in a follow-up patch.

2. CheckFoldableChainNode needs to be improved to handle the TF.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97539 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:22:10 +00:00
Dan Gohman
5b870aff81 Fix several places to handle vector operands properly.
Based on a patch by Micah Villmow for PR6438.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97538 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 02:14:38 +00:00
Dan Gohman
069d6f3396 Non-affine post-inc SCEV expansions have more code which must be
emitted after the increment. Make sure the insert position
reflects this. This fixes PR6453.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97537 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 01:59:21 +00:00
Bill Wendling
46ada19645 Remove dead parameter passing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97536 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 01:55:18 +00:00
Devang Patel
6b506cbce0 Constructors and operators for anonymous aggregates does not names. Do not force empty AT_name attribute in such cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97533 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 01:26:20 +00:00
Dan Gohman
a9445e11c5 Floating-point add, sub, and mul are now spelled fadd, fsub, and fmul,
respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97531 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 01:11:08 +00:00
Dan Gohman
fbbee8d7f9 PerformTailCallOpt was renamed to GuaranteedTailCallOpt to
better reflect its meaning, now that tail call optimizations
are done by default in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97530 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 01:08:11 +00:00
Chris Lattner
319ef94030 remove dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97529 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 00:40:26 +00:00
Chris Lattner
38fd96731c add some missing \n's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97527 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 00:13:03 +00:00
Bob Wilson
3bd19d753b Don't attempt load PRE when there is no real redundancy (i.e., the load is in
a loop and is itself the only dependency).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97526 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 00:09:29 +00:00
Chris Lattner
6b30792d2d refactor some code out of OPC_EmitMergeInputChains into a
new helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97525 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-02 00:00:03 +00:00
Chris Lattner
7a855760b1 remove some functions that were only used by the
old isel generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97522 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 23:40:33 +00:00
Bob Wilson
70704978af When GVN needs to split critical edges for load PRE, check all of the
predecessors before returning.  Otherwise, if multiple predecessor edges need
splitting, we only get one of them per iteration.  This makes a small but
measurable compile time improvement with -enable-full-load-pre.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97521 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 23:37:32 +00:00
Chris Lattner
8b30b8dd33 fixme resolved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97517 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 23:08:51 +00:00
Chris Lattner
e60f7b4412 remove a little hack I did for the old isel, not needed
now that it is gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97516 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:51:11 +00:00
Chris Lattner
67ea6a7111 resolve some fixmes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:49:06 +00:00
Chris Lattner
01bcd947bf resolve a fixme and simplify code by moving insertion of the
EmitMergeInputChainsMatcher node up into EmitResultCode.  This
doesn't have much of an effect on the generated code, the X86
table is exactly the same size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97514 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:46:42 +00:00
Chris Lattner
405f1252b9 resolve a fixme by having the .td file parser reject thigns like
(set GPR, somecomplexpattern)

if somecomplexpattern doesn't declare what it can match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97513 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:29:19 +00:00
Evan Cheng
19d417c346 MemoryDepAnalysis is not used if redundant load processing is disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97512 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:23:12 +00:00
Chris Lattner
df51247725 remove all but one version of SelectionDAG::MorphNodeTo
(the most general) the others are dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97511 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:20:05 +00:00
Chris Lattner
7c720fc33a remove dead code, simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97510 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:19:47 +00:00
Chris Lattner
117ccb7e51 Fix PR2590 by making PatternSortingPredicate actually be
ordered correctly.  Previously it would get in trouble when
two patterns were too similar and give them nondet ordering.
We force this by using the record ID order as a fallback.

The testsuite diff is due to alpha patterns being ordered
slightly differently, the change is a semantic noop afaict:

< 	lda $0,-100($16)
---
> 	subq $16,100,$0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97509 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:09:11 +00:00
Chris Lattner
f94bc54757 tolerate factoring the *last* node for CellSPU.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97508 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:04:33 +00:00
Evan Cheng
73736df88b Remove the optimize for code size limitation on r67917. Optimize 64-bit imul by constants into leas + shl regardless if optimizing for code size. The size saving from using imulq isn't worth it. Also, the lea and shl instructions may expose further optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97507 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 22:00:11 +00:00
Chris Lattner
adc5347b54 optimize tblgen compile time by eliminating the old isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97504 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 21:49:54 +00:00
Dan Gohman
d44f16fce7 Make llc opt into the addPassesToEmitFile verify pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97502 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 21:45:21 +00:00
Chris Lattner
31c020a147 remove a terrible hack that disabled assertions from this file because of build time
problems.  rdar://7697850.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97500 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 21:20:46 +00:00
Jakob Stoklund Olesen
e5d90416ee Use methods to determine if a LiveInterval is spillable.
Don't accidentally produce unspillable intervals for deeply nested loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97496 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 20:59:38 +00:00
Devang Patel
09a695e396 Remove tests that checks @llvm.dbg.stoppoint handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97493 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 20:33:48 +00:00
Chris Lattner
f09999e103 stop using anders-aa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97492 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 20:24:50 +00:00
Chris Lattner
9e5cc28f72 stop using anders-aa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97491 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 20:24:05 +00:00
Chris Lattner
69ece93669 remove andersen's tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 20:23:15 +00:00
Devang Patel
929bdfedb8 @llvm.dbg.stoppoint intrinsic is not used anymore.
Delete dead testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97489 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 19:46:08 +00:00
Ted Kremenek
1b6c4bd0e9 Update CMake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97488 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 19:42:47 +00:00
Devang Patel
9ce6cb8865 Update to use new debug info encoding scheme. As a bonus, now the test passes!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97487 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-01 19:41:26 +00:00