Zhou Sheng
e9ebd3f6ba
Make some codes more efficient.
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llvm-svn: 35297
2007-03-24 15:34:37 +00:00
Chris Lattner
43cab75914
add a bad case evan though of.
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llvm-svn: 35296
2007-03-24 06:01:32 +00:00
Reid Spencer
a962d18774
For PR1205:
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Convert some calls to ConstantInt::getZExtValue() into getValue() and
use APInt facilities in the subsequent computations.
llvm-svn: 35294
2007-03-24 00:42:08 +00:00
Evan Cheng
b7051f596a
Adjust offset to compensate for big endian machines.
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llvm-svn: 35293
2007-03-24 00:02:43 +00:00
Anton Korobeynikov
8aae2d7e1c
Autodetect MMX & SSE stuff for AMD processors
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llvm-svn: 35292
2007-03-23 23:46:48 +00:00
Bill Wendling
3ab6e72143
This is dead. DEAD I tells you!!
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llvm-svn: 35291
2007-03-23 22:42:04 +00:00
Bill Wendling
871c77cda1
PR1260:
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Add final support to get the QT example to compile.
llvm-svn: 35290
2007-03-23 22:35:46 +00:00
Evan Cheng
a883b58caf
Make sure SEXTLOAD of the specific type is supported on the target.
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llvm-svn: 35289
2007-03-23 22:13:36 +00:00
Reid Spencer
562b715dd1
Add more test cases for APIntified InstCombine.
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llvm-svn: 35288
2007-03-23 21:57:47 +00:00
Reid Spencer
959a21d3dc
For PR1205:
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* 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
e2f5f24e8e
Also replace uses of SRL if that's also folded during ReduceLoadWidth().
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llvm-svn: 35286
2007-03-23 20:55:21 +00:00
Reid Spencer
ea8b07ee6b
Add test case for testing InstCombine with arbitrary precision integer
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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
6d39206bc2
For PR1205:
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APIntify visitDiv, visitMul and visitRem.
Patch by Zhou Sheng.
llvm-svn: 35283
2007-03-23 20:05:17 +00:00
Chris Lattner
12b89cc148
switch AddReachableCodeToWorklist from being recursive to being iterative.
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llvm-svn: 35282
2007-03-23 19:17:18 +00:00
Reid Spencer
6274c72ee1
For PR1205:
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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
ac8fe43024
Add the 'explicit' keyword to several constructors that accept one
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argument that don't appear intended as implicit-conversion operators.
llvm-svn: 35280
2007-03-23 18:44:11 +00:00
Duncan Sands
96719d1667
Test handling of switches with wide case ranges.
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llvm-svn: 35279
2007-03-23 07:17:52 +00:00
Reid Spencer
d96dc9020a
Fix constant fold of div by zero and rem by zero to match IEEE 754
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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
0900993ebc
Make the "KnownZero ^ TypeMask" computation just once.
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llvm-svn: 35276
2007-03-23 03:13:21 +00:00
Zhou Sheng
755f04b5d7
Simplify the code.
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llvm-svn: 35275
2007-03-23 02:39:25 +00:00
Evan Cheng
a824e79f06
A couple of bug fixes for reducing load width xform:
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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
b722f2b110
For PR1205:
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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
14b191c687
The -funcresolve and -raise options no longer exist.
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llvm-svn: 35272
2007-03-22 21:06:50 +00:00
Reid Spencer
4154e732e6
For PR1205:
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* APIntify commonIntCastTransforms
* APIntify visitTrunc
* APIntify visitZExt
Patch by Zhou Sheng.
llvm-svn: 35271
2007-03-22 20:56:53 +00:00
Reid Spencer
c3e3b8a32f
For PR1205:
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* 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
7c17fbc5b7
We generate a shufflevector instruction, so we don't need the builtin
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intrinsic.
llvm-svn: 35269
2007-03-22 20:29:26 +00:00
Jeff Cohen
17a19c917f
Cleanup obsolete stuff.
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llvm-svn: 35268
2007-03-22 19:13:29 +00:00
Jeff Cohen
d530a17cef
Be more explicit concerning argument sizes.
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Use VC++ byteswap intrinsics.
llvm-svn: 35267
2007-03-22 19:11:57 +00:00
Bill Wendling
d551a18783
Support added for shifts and unpacking MMX instructions.
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llvm-svn: 35266
2007-03-22 18:42:45 +00:00
Dan Gohman
dcb291faa4
Change uses of Function::front to Function::getEntryBlock for readability.
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llvm-svn: 35265
2007-03-22 16:38:57 +00:00
Evan Cheng
085b8d7ae2
Unbreak non-debug builds.
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llvm-svn: 35264
2007-03-22 07:43:51 +00:00
Reid Spencer
02b0b57101
Make this test actually match the generated code.
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llvm-svn: 35263
2007-03-22 02:53:05 +00:00
Reid Spencer
9d1700e188
Add noreturn function attribute.
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llvm-svn: 35262
2007-03-22 02:18:56 +00:00
Reid Spencer
8f0bcc6b89
Add tests for nounwind and noreturn function attributes.
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llvm-svn: 35261
2007-03-22 02:15:17 +00:00
Reid Spencer
478dcd0239
Add the NoUnwind function attribute.
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llvm-svn: 35260
2007-03-22 02:14:48 +00:00
Reid Spencer
32096786f1
Regenerate.
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llvm-svn: 35259
2007-03-22 02:14:08 +00:00
Reid Spencer
a483577d21
Add support for the noreturn and nounwind function attributes.
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llvm-svn: 35258
2007-03-22 02:13:23 +00:00
Nick Lewycky
b0da7ed9c8
Fix broken optimization disabled by a logic bug.
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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
05dbb9d002
Preview nounwind function attribute.
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llvm-svn: 35256
2007-03-22 02:02:11 +00:00
Evan Cheng
9a95c6e7db
Another test case.
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llvm-svn: 35255
2007-03-22 01:55:16 +00:00
Evan Cheng
464dc9b74c
More opportunities to reduce load size.
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llvm-svn: 35254
2007-03-22 01:54:19 +00:00
Evan Cheng
51ace3b1f6
Test case for PR1257
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llvm-svn: 35253
2007-03-22 01:52:57 +00:00
Evan Cheng
a20815e157
Fix for PR1257. Bug in live range shortening as a result of copy coalescing
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where the destination is dead.
llvm-svn: 35252
2007-03-22 01:26:05 +00:00
Reid Spencer
fa9925e263
Test case for PR1248
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llvm-svn: 35251
2007-03-22 00:49:40 +00:00
Reid Spencer
be7e9bc494
For PR1145:
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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
be9c93c79c
More LangRef fixes. Corrected names of intrinsics.
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llvm-svn: 35249
2007-03-22 00:02:17 +00:00
Anton Korobeynikov
640bbe0a15
Fixed va_arg example. Reported by Roman Samoilov
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llvm-svn: 35248
2007-03-21 23:58:04 +00:00
Reid Spencer
f40711637f
For PR1248:
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* 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
925e8aa370
Fix a comment.
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llvm-svn: 35246
2007-03-21 22:22:19 +00:00
Dale Johannesen
0c6bb5eab7
repair x86 performance, dejagnu problems from previous change
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llvm-svn: 35245
2007-03-21 21:51:52 +00:00