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Author SHA1 Message Date
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
Dan Gohman
423c2260f9 Add the 'explicit' keyword to several constructors that accept one 
argument that don't appear intended as implicit-conversion operators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 18:44:11 +00:00
Duncan Sands
b819a2b5fe Test handling of switches with wide case ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35279 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-23 07:17:52 +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
Duncan Sands
28ecc1a6fa The -funcresolve and -raise options no longer exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35272 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 21:06:50 +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
Jeff Cohen
9cb24d0520 Cleanup obsolete stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35268 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 19:13:29 +00:00
Jeff Cohen
c3c395cf5e Be more explicit concerning argument sizes. 
Use VC++ byteswap intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35267 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 19:11:57 +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
Evan Cheng
2b48420c64 Unbreak non-debug builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35264 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 07:43:51 +00:00
Reid Spencer
d69bfb38f4 Make this test actually match the generated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35263 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:53:05 +00:00
Reid Spencer
2dc5201eae Add noreturn function attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35262 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:18:56 +00:00
Reid Spencer
c2df07095c Add tests for nounwind and noreturn function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35261 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:15:17 +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
Reid Spencer
67606125f6 Preview nounwind function attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35256 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 02:02:11 +00:00
Evan Cheng
60864a8ab6 Another test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35255 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:55:16 +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
91fd5cd11f Test case for PR1257 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35253 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 01:52:57 +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
48e15e3cc6 Test case for PR1248 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35251 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 00:49:40 +00:00
Reid Spencer
ac86cc1b7e For PR1145: 
Add the NoUnwindAttribute to allow explicit marking of functions that do
not unwind the stack via the unwind instruction. This is akin to gcc's
NoThrow attribute and used for optimizing exception handling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35250 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 00:32:02 +00:00
Anton Korobeynikov
ec43a0662a More LangRef fixes. Corrected names of intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35249 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 00:02:17 +00:00
Anton Korobeynikov
5d522f36ca Fixed va_arg example. Reported by Roman Samoilov 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35248 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 23:58:04 +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
Reid Spencer
3a3aacfe10 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 22:22:19 +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
af2d3793c2 Add Roman to credits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35243 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:45:25 +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
cfe0798a9e New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35240 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 20:14:56 +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
Reid Spencer
d2920cd3d9 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35237 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 17:27:53 +00:00
Reid Spencer
91a9d54d9a For PR1243: 
Okay, really fix it this time. Make sure the CurFun.Linkage is set early
and consolidate some duplicate code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35236 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 17:26:41 +00:00
Reid Spencer
bb1fd5770d Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35235 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 17:15:50 +00:00
Reid Spencer
3e5affd263 For PR1256: 
Make Signedness information pervasive throughout all types and values.
There is no easy way to get around this. Because the GEP instruction can
index through an arbitrarily complex value structure, it is necessary to
keep track of signedness information throughout that structure. This change
makes Signedness a full class, capable of representing Signedness in
arbitrarily shaped types. The class is then used throughout llvm-upgrade to
track signedness and differentiate between globals, locals, and functions
based on their signedness.

For PR1243:
This patch also removes bogus warnings about renaming internal globals. It
now only emits such warnings when renaming non-internal globals because
they may affect linkage.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 17:14:36 +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