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Author SHA1 Message Date
Dan Gohman
378c0b35a7 Delete some unneeded casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:42:19 +00:00
Dan Gohman
968cb939e5 Don't attempt to divide INT_MIN by -1; consider such cases to 
have overflowed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96428 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:41:53 +00:00
Chris Lattner
bd12fe8b69 make the new isel's interpreter loop call the generated 
CheckComplexPattern function.  Though it is logically const,
I don't have the fortitude to clean up all the targets now,
and it not being const doesn't block anything.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96426 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:41:34 +00:00
Chris Lattner
5be6e5990b improve comments in generated matcher a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96422 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:39:26 +00:00
Dan Gohman
36b01cb885 Make the operand and format specifier match, and print all 
64 bits, fixing a variety of problems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96421 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:37:20 +00:00
Chris Lattner
e609a513f3 make the new isel generator plop out a CheckComplexPattern function 
for evaluating complex patterns.  Some cleanup has to happen before
this can be used though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96419 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:31:50 +00:00
Bob Wilson
9abe19d0b9 Wrap lines to 80 columns and generally try to clean up whitespace and 
indentation.  No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96418 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:31:29 +00:00
Chris Lattner
ca0aacc5aa roundss is an sse 4 thing, fix the test on non-sse41 builders 
like llvm-gcc-x86_64-darwin10-selfhost


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96417 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:29:06 +00:00
Chris Lattner
c2676b2909 fix inverted condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 00:11:30 +00:00
Dale Johannesen
4a12de72b0 Make g5 target explicit; scheduling affects register choice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96413 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 23:25:23 +00:00
Chris Lattner
53a2f60062 complex patterns don't get 'record' nodes, they implicitly 
record all their results.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 23:16:25 +00:00
Chris Lattner
05446e7d47 clean up some code, eliminate NodeIsComplexPattern, which 
does the same thing as getComplexPatternInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 23:13:59 +00:00
Bill Wendling
b76beda30a Make error statement more personal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:47:14 +00:00
Chris Lattner
5b08f77096 fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:38:31 +00:00
Chris Lattner
92d3ada814 fix rdar://7653908, a crash on a case where we would fold a load 
into a roundss intrinsic, producing a cyclic dag.  The root cause
of this is badness handling ComplexPattern nodes in the old dagisel
that I noticed through inspection.  Eliminate a copy of the of the
code that handled ComplexPatterns by making EmitChildMatchCode call
into EmitMatchCode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:35:06 +00:00
Dale Johannesen
55f9adf543 Adjust register numbers in tests to compensate for the 
new lack of R2.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96407 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:31:31 +00:00
Chris Lattner
5583b83dd4 filecheckize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:13:43 +00:00
Bob Wilson
0eb0c7401c Handle tGPR register class in a few more places. This fixes some llvm-gcc 
build failures due to my fix for pr6111.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 22:01:59 +00:00
Johnny Chen
0296f3e504 Add SMC (Secure Monitor Call) system instruction for disassembly only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:59:54 +00:00
Dale Johannesen
5994fd0f4d Really reserve R2 on PPC Darwin. PR 6314. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96399 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:53:27 +00:00
Devang Patel
3d821aaae2 Use line and column number to distinguish two lexical blocks at the same level. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:39:34 +00:00
Jim Grosbach
80dc116ce3 80 column cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:23:02 +00:00
Devang Patel
08d3561eee New testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:16:08 +00:00
Evan Cheng
ae3ecf9603 Look for SSE and instructions of this form: (and x, (build_vector c1,c2,c3,c4)). 
If there exists a use of a build_vector that's the bitwise complement of the mask,
then transform the node to
(and (xor x, (build_vector -1,-1,-1,-1)), (build_vector ~c1,~c2,~c3,~c4)).

Since this transformation is only useful when 1) the given build_vector will
become a load from constpool, and 2) (and (xor x -1), y) matches to a single
instruction, I decided this is appropriate as a x86 specific transformation.
rdar://7323335


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:09:44 +00:00
Jim Grosbach
6417171026 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96388 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:07:46 +00:00
Bob Wilson
ae23daf63a Rename SuccessorNumber to GetSuccessorNumber. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 21:06:42 +00:00
David Greene
8939b0d8a9 Add support for emitting non-temporal stores for DAGs marked 
non-temporal.  Fix from r96241 for botched encoding of MOVNTDQ.

Add documentation for !nontemporal metadata.

Add a simpler movnt testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:50:18 +00:00
Bob Wilson
713bc585ef Testcase for critical edge splitting with load PRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96385 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:48:55 +00:00
Jim Grosbach
39be8fcfdc Update Thumb2 to not use CarryDefIsUnused or CarryDefIsUsed predicates, but 
to have the predicate on the pattern itself instead. Support for the new
ISel. Remove definitions of CarryDefIsUnused and CarryDefIsUsed since they are
no longer used anywhere.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96384 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:42:29 +00:00
Jim Grosbach
cd862b19b8 Remove redundant setting of Defs. CPSR is already marked by the block level set of Defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:35:59 +00:00
Dan Gohman
3a02cbcd03 Refactor rewriting for PHI nodes into a separate function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:25:07 +00:00
Jim Grosbach
0a145f3d90 First step in eliminating the CarryDefIsUnused and CarryDefIsUsed predicates. 
They won't work with the new ISel mechanism, as Requires predicates are no
longer allowed to reference the node being selected. Moving the predicate to
the patterns instead solves the problem.

This patch handles ARM mode. Thumb2 will follow.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96381 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:17:57 +00:00
Johnny Chen
64dfb7835d Added for disassembly the following instructions: 
o Store Return State (SRSW, SRS)
o Load/Store Coprocessor (LDC/STC and friends)
o MSR (immediate)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96380 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 20:04:27 +00:00
Bob Wilson
484d4a30c0 Split critical edges as needed for load PRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:51:59 +00:00
Bob Wilson
adb6f22671 Refactor to share code to find the position of a basic block successor in the 
terminator's list of successors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96377 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:49:17 +00:00
Dan Gohman
7fca2294da Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:42:34 +00:00
Kenneth Uildriks
f1ac0fd347 Function attributes have index ~0, not 0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:28:02 +00:00
Chris Lattner
6bc1b51377 simplify this code. In the new world order there is no 
need to scan the entire subtree of the pattern anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96369 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:19:58 +00:00
Chris Lattner
21390d7984 convert the new matcher to check intermediate nodes for a single 
use and only call IsProfitableToFold/IsLegalToFold on the load
being folded, like the old dagiselemitter does.  This 
substantially simplifies the code and improves opportunities for
sharing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:15:55 +00:00
Chris Lattner
29c6270328 change dag isel emitter to only call 'IsProfitableToFold' on nodes 
with chains.  On interior nodes that lead up to them, we just directly
check that there is a single use.  This generates slightly more
efficient code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96366 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 19:03:34 +00:00
Bob Wilson
1665b0a224 Fix pr6111: Avoid using the LR register for the target address of an indirect 
branch in ARM v4 code, since it gets clobbered by the return address before
it is used.  Instead of adding a new register class containing all the GPRs
except LR, just use the existing tGPR class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96360 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 17:24:15 +00:00
Duncan Sands
47c5188789 Introduce isOpaqueTy and use it rather than isa<OpaqueType>. Also, move some 
methods to try to have the type predicates be more logically positioned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96349 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 14:50:09 +00:00
Duncan Sands
1df9859c40 There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 11:11:14 +00:00
Benjamin Kramer
30fb00aac0 Minor warning fixes (semicolons, newline at EOF). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96343 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 10:25:04 +00:00
Chris Lattner
ccba15f914 mark all the generated node predicates 'const'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96337 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 07:26:36 +00:00
Chris Lattner
050a03d0f3 generate code for node and pattern predicates. Note that this won't 
build if enabled, it will fail with constness issues. I'll resolve 
these next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96336 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 07:21:10 +00:00
Chris Lattner
e02ea54cfd refactor some code into a local class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 06:52:01 +00:00
Chris Lattner
e2de49d9a1 remove now dead code and fixme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96333 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 06:15:00 +00:00
Chris Lattner
6e6975d419 remove dead code. This is never generated for any targets in mainline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96332 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 06:14:22 +00:00
Chris Lattner
e39650a805 add support for the new isel matcher to generate 
(isprofitable|islegal)tofold checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96331 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-16 06:10:58 +00:00