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4234f57fa0
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18014 Commits

Author SHA1 Message Date
Chris Lattner
4234f57fa0 switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:14:49 +00:00
Reid Spencer
2b81207b4b More APIntification: 
* Convert the last use of a uint64_t that should have been an APInt.
* Change ComputeMaskedBits to have a const reference argument for the Mask
  so that recursions don't cause unneeded temporaries. This causes temps
  to be needed in other places (where the mask has to change) but this
  change optimizes for the recursion which is more frequent.
* Remove two instances of &ing a Mask with getAllOnesValue. Its not
  needed any more because APInt is accurate in its bit computations.
* Start using the getLowBitsSet and getHighBits set methods on APInt
  instead of shifting. This makes it more clear in the code what is
  going on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:03:12 +00:00
Chris Lattner
1439352ece Allow the b/h/w/k constraints to be applied to values that have multiple alternatives, and end up not being registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:01:03 +00:00
Chris Lattner
188b9fe834 enforce the proper range for the i386 N constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 01:57:35 +00:00
Chris Lattner
7cd5e07f3d Fix test/CodeGen/X86/2007-03-24-InlineAsmPModifier.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 01:44:57 +00:00
Chris Lattner
42593e69e2 fix a regression on vector or instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 23:56:43 +00:00
Chris Lattner
82dcb4fe23 don't rely on ADL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:37:03 +00:00
Chris Lattner
0d3988f408 add a valuetype for v1i64, which is needed by mmx. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 17:36:26 +00:00
Zhou Sheng
00f436c5bc Make some codes more efficient. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35297 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 15:34:37 +00:00
Chris Lattner
1a77a556cd add a bad case evan though of. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35296 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 06:01:32 +00:00
Reid Spencer
f244252740 For PR1205: 
Convert some calls to ConstantInt::getZExtValue() into getValue() and
use APInt facilities in the subsequent computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35294 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 00:42:08 +00:00
Evan Cheng
dae54ce7fc Adjust offset to compensate for big endian machines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35293 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-24 00:02:43 +00:00
Anton Korobeynikov
3b5ee73a13 Autodetect MMX & SSE stuff for AMD processors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35292 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 23:46:48 +00:00
Bill Wendling
b8440a0c39 PR1260: 
Add final support to get the QT example to compile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35290 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 22:35:46 +00:00
Evan Cheng
e177e307fc Make sure SEXTLOAD of the specific type is supported on the target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35289 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 22:13:36 +00:00
Reid Spencer
2ec619a29a For PR1205: 
* APIntify visitAdd and visitSelectInst
* Remove unused uint64_t versions of utility functions that have been
  replaced with APInt versions.
This completes most of the changes for APIntification of InstCombine. This
passes llvm-test and llvm/test/Transforms/InstCombine/APInt.

Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35287 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 21:24:59 +00:00
Evan Cheng
b37b80ce46 Also replace uses of SRL if that's also folded during ReduceLoadWidth(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35286 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 20:55:21 +00:00
Reid Spencer
bca0e38baa For PR1205: 
APIntify visitDiv, visitMul and visitRem.

Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 20:05:17 +00:00
Chris Lattner
2c7718a539 switch AddReachableCodeToWorklist from being recursive to being iterative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35282 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 19:17:18 +00:00
Reid Spencer
b35ae0371a For PR1205: 
APIntify several utility functions supporting logical operators and shift
operators.

Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35281 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 18:46:34 +00:00
Reid Spencer
b8f1c1657f Fix constant fold of div by zero and rem by zero to match IEEE 754 
requirements. We must return NaN in some cases and correctly signed
infinity in other cases. Passes CFP2006 (not that that says much).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35277 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 05:33:23 +00:00
Zhou Sheng
f62cc9f9e5 Make the "KnownZero ^ TypeMask" computation just once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35276 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 03:13:21 +00:00
Zhou Sheng
9c636fe6f2 Simplify the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35275 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 02:39:25 +00:00
Evan Cheng
0b063def98 A couple of bug fixes for reducing load width xform: 
1. Address offset is in bytes.
2. Make sure truncate node uses are replaced with new load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35274 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 02:16:52 +00:00
Reid Spencer
a03d45fa88 For PR1205: 
APInt support for logical operators in visitAnd, visitOr, and visitXor.

Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35273 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 22:19:58 +00:00
Reid Spencer
ad6676e81b For PR1205: 
* APIntify commonIntCastTransforms
* APIntify visitTrunc
* APIntify visitZExt

Patch by Zhou Sheng.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35271 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 20:56:53 +00:00
Reid Spencer
0460fb3ea5 For PR1205: 
* Re-enable the APInt version of MaskedValueIsZero.
* APIntify the Comput{Un}SignedMinMaxValuesFromKnownBits functions
* APIntify visitICmpInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35270 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 20:36:03 +00:00
Bill Wendling
02ced83ce7 We generate a shufflevector instruction, so we don't need the builtin 
intrinsic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35269 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 20:29:26 +00:00
Bill Wendling
a348c56fde Support added for shifts and unpacking MMX instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35266 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 18:42:45 +00:00
Dan Gohman
ecb7a77885 Change uses of Function::front to Function::getEntryBlock for readability. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35265 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 16:38:57 +00:00
Reid Spencer
66123626ad Add the NoUnwind function attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35260 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:14:48 +00:00
Reid Spencer
67d8ed9e60 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35259 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:14:08 +00:00
Reid Spencer
a39dfd39e4 Add support for the noreturn and nounwind function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35258 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:13:23 +00:00
Nick Lewycky
27e4da93b6 Fix broken optimization disabled by a logic bug. 
Analyze GEPs. If the indices are all zero, transfer whether the pointer is
known to be not null through the GEP.

Add a few more cases for xor and shift instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35257 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:02:51 +00:00
Evan Cheng
c88138fb5e More opportunities to reduce load size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35254 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:54:19 +00:00
Evan Cheng
2c3535d2a6 Fix for PR1257. Bug in live range shortening as a result of copy coalescing 
where the destination is dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35252 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:26:05 +00:00
Reid Spencer
e4e4003032 For PR1248: 
* Fix some indentation and comments in InsertRangeTest
* Add an "IsSigned" parameter to AddWithOverflow and make it handle signed
  additions. Also, APIntify this function so it works with any bitwidth.
* For the icmp pred ([us]div %X, C1), C2 transforms, exit early if the
  div instruction's RHS is zero.
* Finally, for icmp pred (sdiv %X, C1), -C2, fix an off-by-one error. The
  HiBound needs to be incremented in order to get the range test correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35247 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 23:19:50 +00:00
Dale Johannesen
fa4bce2b76 repair x86 performance, dejagnu problems from previous change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:51:52 +00:00
Anton Korobeynikov
3070cd7e80 Add TODO list for MSIL backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35244 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:48:59 +00:00
Anton Korobeynikov
099883f7eb Let the new backend begin! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35242 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:38:25 +00:00
Dale Johannesen
aceaf5d26e add generation of unnecessary push/pop around calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35241 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:16:39 +00:00
Evan Cheng
007b69eeaa fold (truncate (srl (load x), c)) -> (smaller load (x+c/vt bits)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35239 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 20:14:05 +00:00
Nicolas Geoffray
82d4264c1f Protect R31's frame offset from being used by callee-saved registers, when R31 
is the frame pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35233 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 16:44:14 +00:00
Zhou Sheng
6dbe233959 Fix a bug in getAllOnesValue() which broke 
some test cases for bitwidth > 64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35232 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 04:34:37 +00:00
Evan Cheng
768143547b Mark re-materializable instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35230 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 00:16:56 +00:00
Evan Cheng
a125cbe839 Updated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35229 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 22:32:39 +00:00
Evan Cheng
c3c70881cf Potential spiller improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35228 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 22:22:38 +00:00
Dale Johannesen
8e59e163db do not share old induction variables when this would result in invalid 
instructions (that would have to be split later)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35227 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:54:54 +00:00
Dale Johannesen
69cb9b78f1 maintain LiveIn when splitting blocks (register scavenging needs it) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35226 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:35:06 +00:00
Devang Patel
cbdfb8a9d5 DominanceFrontier::calculate(). 
Avoid recursion, Use iterative algorithm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35225 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 21:25:31 +00:00