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Author SHA1 Message Date
Anton Korobeynikov
63bff8af0c Autodetect MMX & SSE stuff for AMD processors 
llvm-svn: 35292
 2007-03-23 23:46:48 +00:00
Bill Wendling
ad01036d5c This is dead. DEAD I tells you!! 
llvm-svn: 35291
 2007-03-23 22:42:04 +00:00
Bill Wendling
124f2c8706 PR1260: 
Add final support to get the QT example to compile.

llvm-svn: 35290
 2007-03-23 22:35:46 +00:00
Evan Cheng
84aecc56e7 Make sure SEXTLOAD of the specific type is supported on the target. 
llvm-svn: 35289
 2007-03-23 22:13:36 +00:00
Reid Spencer
a450c790e7 Add more test cases for APIntified InstCombine. 
llvm-svn: 35288
 2007-03-23 21:57:47 +00:00
Reid Spencer
01d252add1 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.

llvm-svn: 35287
 2007-03-23 21:24:59 +00:00
Evan Cheng
7dd7666120 Also replace uses of SRL if that's also folded during ReduceLoadWidth(). 
llvm-svn: 35286
 2007-03-23 20:55:21 +00:00
Reid Spencer
eebf90ce0b Add test case for testing InstCombine with arbitrary precision integer 
types. These tests mimic the integer test cases in the normal InstCombine
test suite but use "strange" integer bit widths.

Most tests written by Zhou Sheng, a few by me.

llvm-svn: 35284
 2007-03-23 20:48:34 +00:00
Reid Spencer
da8ec61ec4 For PR1205: 
APIntify visitDiv, visitMul and visitRem.

Patch by Zhou Sheng.

llvm-svn: 35283
 2007-03-23 20:05:17 +00:00
Chris Lattner
04baffb0c5 switch AddReachableCodeToWorklist from being recursive to being iterative. 
llvm-svn: 35282
 2007-03-23 19:17:18 +00:00
Reid Spencer
1fd12cf9f6 For PR1205: 
APIntify several utility functions supporting logical operators and shift
operators.

Patch by Zhou Sheng.

llvm-svn: 35281
 2007-03-23 18:46:34 +00:00
Dan Gohman
42a3f4e16e Add the 'explicit' keyword to several constructors that accept one 
argument that don't appear intended as implicit-conversion operators.

llvm-svn: 35280
 2007-03-23 18:44:11 +00:00
Duncan Sands
bce4648a05 Test handling of switches with wide case ranges. 
llvm-svn: 35279
 2007-03-23 07:17:52 +00:00
Reid Spencer
7a9c981d80 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).

llvm-svn: 35277
 2007-03-23 05:33:23 +00:00
Zhou Sheng
e706d8f56d Make the "KnownZero ^ TypeMask" computation just once. 
llvm-svn: 35276
 2007-03-23 03:13:21 +00:00
Zhou Sheng
6b7b4945f1 Simplify the code. 
llvm-svn: 35275
 2007-03-23 02:39:25 +00:00
Evan Cheng
62ccdaea67 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.

llvm-svn: 35274
 2007-03-23 02:16:52 +00:00
Reid Spencer
9881580cec For PR1205: 
APInt support for logical operators in visitAnd, visitOr, and visitXor.

Patch by Zhou Sheng.

llvm-svn: 35273
 2007-03-22 22:19:58 +00:00
Duncan Sands
9ee02c3f2e The -funcresolve and -raise options no longer exist. 
llvm-svn: 35272
 2007-03-22 21:06:50 +00:00
Reid Spencer
74288268d3 For PR1205: 
* APIntify commonIntCastTransforms
* APIntify visitTrunc
* APIntify visitZExt

Patch by Zhou Sheng.

llvm-svn: 35271
 2007-03-22 20:56:53 +00:00
Reid Spencer
b6c09a009e For PR1205: 
* Re-enable the APInt version of MaskedValueIsZero.
* APIntify the Comput{Un}SignedMinMaxValuesFromKnownBits functions
* APIntify visitICmpInst.

llvm-svn: 35270
 2007-03-22 20:36:03 +00:00
Bill Wendling
e6a9c6dfe6 We generate a shufflevector instruction, so we don't need the builtin 
intrinsic.

llvm-svn: 35269
 2007-03-22 20:29:26 +00:00
Jeff Cohen
53cc90b34c Cleanup obsolete stuff. 
llvm-svn: 35268
 2007-03-22 19:13:29 +00:00
Jeff Cohen
2f87ca6cc7 Be more explicit concerning argument sizes. 
Use VC++ byteswap intrinsics.

llvm-svn: 35267
 2007-03-22 19:11:57 +00:00
Bill Wendling
1bcad4c1cd Support added for shifts and unpacking MMX instructions. 
llvm-svn: 35266
 2007-03-22 18:42:45 +00:00
Dan Gohman
d0a0ea9916 Change uses of Function::front to Function::getEntryBlock for readability. 
llvm-svn: 35265
 2007-03-22 16:38:57 +00:00
Evan Cheng
8c8e97507d Unbreak non-debug builds. 
llvm-svn: 35264
 2007-03-22 07:43:51 +00:00
Reid Spencer
91c2777f40 Make this test actually match the generated code. 
llvm-svn: 35263
 2007-03-22 02:53:05 +00:00
Reid Spencer
3fd4e45972 Add noreturn function attribute. 
llvm-svn: 35262
 2007-03-22 02:18:56 +00:00
Reid Spencer
648d9f53ca Add tests for nounwind and noreturn function attributes. 
llvm-svn: 35261
 2007-03-22 02:15:17 +00:00
Reid Spencer
a2d8b5e7a1 Add the NoUnwind function attribute. 
llvm-svn: 35260
 2007-03-22 02:14:48 +00:00
Reid Spencer
620297a20c Regenerate. 
llvm-svn: 35259
 2007-03-22 02:14:08 +00:00
Reid Spencer
6890147648 Add support for the noreturn and nounwind function attributes. 
llvm-svn: 35258
 2007-03-22 02:13:23 +00:00
Nick Lewycky
428523f51a 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.

llvm-svn: 35257
 2007-03-22 02:02:51 +00:00
Reid Spencer
3dd6681b9e Preview nounwind function attribute. 
llvm-svn: 35256
 2007-03-22 02:02:11 +00:00
Evan Cheng
9992bbc5a0 Another test case. 
llvm-svn: 35255
 2007-03-22 01:55:16 +00:00
Evan Cheng
d7be4893f4 More opportunities to reduce load size. 
llvm-svn: 35254
 2007-03-22 01:54:19 +00:00
Evan Cheng
1a651088b1 Test case for PR1257 
llvm-svn: 35253
 2007-03-22 01:52:57 +00:00
Evan Cheng
da92165bab Fix for PR1257. Bug in live range shortening as a result of copy coalescing 
where the destination is dead.

llvm-svn: 35252
 2007-03-22 01:26:05 +00:00
Reid Spencer
8862d80d67 Test case for PR1248 
llvm-svn: 35251
 2007-03-22 00:49:40 +00:00
Reid Spencer
17f3eeaf48 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.

llvm-svn: 35250
 2007-03-22 00:32:02 +00:00
Anton Korobeynikov
61b9366c9f More LangRef fixes. Corrected names of intrinsics. 
llvm-svn: 35249
 2007-03-22 00:02:17 +00:00
Anton Korobeynikov
cdfb4988d9 Fixed va_arg example. Reported by Roman Samoilov 
llvm-svn: 35248
 2007-03-21 23:58:04 +00:00
Reid Spencer
bdfbda05fb 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.

llvm-svn: 35247
 2007-03-21 23:19:50 +00:00
Reid Spencer
76c1fef30a Fix a comment. 
llvm-svn: 35246
 2007-03-21 22:22:19 +00:00
Dale Johannesen
44c0a5d545 repair x86 performance, dejagnu problems from previous change 
llvm-svn: 35245
 2007-03-21 21:51:52 +00:00
Anton Korobeynikov
c0842af02d Add TODO list for MSIL backend 
llvm-svn: 35244
 2007-03-21 21:48:59 +00:00
Anton Korobeynikov
717056a7b5 Add Roman to credits 
llvm-svn: 35243
 2007-03-21 21:45:25 +00:00
Anton Korobeynikov
bc43d296b2 Let the new backend begin! 
llvm-svn: 35242
 2007-03-21 21:38:25 +00:00
Dale Johannesen
fb7b59f5dd add generation of unnecessary push/pop around calls 
llvm-svn: 35241
 2007-03-21 21:16:39 +00:00