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Author SHA1 Message Date
Chris Lattner
30d772fbb1 number test right 
llvm-svn: 30484
 2006-09-19 06:19:19 +00:00
Chris Lattner
2b076f26b7 item done 
llvm-svn: 30483
 2006-09-19 06:19:03 +00:00
Chris Lattner
2d2d80a4c2 implement select.ll:test19-22 
llvm-svn: 30482
 2006-09-19 06:18:21 +00:00
Chris Lattner
96ca5b26b0 make this harder 
llvm-svn: 30481
 2006-09-19 06:17:55 +00:00
Chris Lattner
7656fc26d8 new testcases 
llvm-svn: 30480
 2006-09-19 06:16:46 +00:00
Chris Lattner
92c8924309 Fold the PPCISD shifts when presented with 0 inputs. This occurs for code 
like:
long long test(long long X, int Y) {
  return 1ULL << Y;
}
long long test2(long long X, int Y) {
  return -1LL << Y;
}

which we used to compile to:

_test:
        li r2, 1
        subfic r3, r5, 32
        li r4, 0
        addi r6, r5, -32
        srw r3, r2, r3
        slw r4, r4, r5
        slw r6, r2, r6
        or r3, r4, r3
        slw r4, r2, r5
        or r3, r3, r6
        blr
_test2:
        li r2, -1
        subfic r3, r5, 32
        addi r6, r5, -32
        srw r3, r2, r3
        slw r4, r2, r5
        slw r2, r2, r6
        or r3, r4, r3
        or r3, r3, r2
        blr

Now we produce:

_test:
        li r2, 1
        addi r3, r5, -32
        subfic r4, r5, 32
        slw r3, r2, r3
        srw r4, r2, r4
        or r3, r4, r3
        slw r4, r2, r5
        blr
_test2:
        li r2, -1
        subfic r3, r5, 32
        addi r6, r5, -32
        srw r3, r2, r3
        slw r4, r2, r5
        slw r2, r2, r6
        or r3, r4, r3
        or r3, r3, r2
        blr

llvm-svn: 30479
 2006-09-19 05:22:59 +00:00
Chris Lattner
61d08597df Fold extract_element(cst) to cst 
llvm-svn: 30478
 2006-09-19 05:02:39 +00:00
Chris Lattner
556f869e88 Minor speedup for legalize by avoiding some malloc traffic 
llvm-svn: 30477
 2006-09-19 04:51:23 +00:00
Chris Lattner
87d05ea43b If multiple predicates are listed, they must all pass 
llvm-svn: 30476
 2006-09-19 00:41:36 +00:00
Nick Lewycky
d17ad3593b Enable dejagnu tests for predicate simplifier. 
llvm-svn: 30475
 2006-09-19 00:31:54 +00:00
Evan Cheng
65afc6af9f Fix a typo. 
llvm-svn: 30474
 2006-09-18 23:28:33 +00:00
Chris Lattner
7498e29ca4 There! 
llvm-svn: 30473
 2006-09-18 22:41:07 +00:00
Chris Lattner
b54881691d Fix Regression/TableGen/2006-09-18-LargeInt.td 
llvm-svn: 30472
 2006-09-18 22:28:27 +00:00
Chris Lattner
d3b2f9e7cc new testcase 
llvm-svn: 30471
 2006-09-18 22:28:07 +00:00
Evan Cheng
67b248dbc6 Allow i32 UDIV, SDIV, UREM, SREM to be expanded into libcalls. 
llvm-svn: 30470
 2006-09-18 21:49:04 +00:00
Nick Lewycky
96939f2d94 Walk down the dominator tree instead of the control flow graph. That means 
that we can't modify the CFG any more, at least not until it's possible
to update the dominator tree (PR217).

llvm-svn: 30469
 2006-09-18 21:09:35 +00:00
Nick Lewycky
ad4eb4f0de Fix findCaseDest to return null when BB is both the default dest and one 
of the numeric cases.

llvm-svn: 30468
 2006-09-18 20:44:37 +00:00
Andrew Lenharth
6d43749a47 A pass to remove the worst of the replay trap offenders, and as a bonus, align basic blocks when it is free to do so 
llvm-svn: 30467
 2006-09-18 19:44:29 +00:00
Nick Lewycky
87f79d5d69 Add a new helper method to SwitchInst. Useful when you've got a BB from 
somewhere (like the dominator graph) and would like to know which case it
came from.

llvm-svn: 30466
 2006-09-18 19:03:59 +00:00
Chris Lattner
1efde528d6 Fix an infinite loop building the CFE 
llvm-svn: 30465
 2006-09-18 18:27:05 +00:00
Chris Lattner
6392e78191 new testcase 
llvm-svn: 30464
 2006-09-18 18:07:51 +00:00
Andrew Lenharth
5d958d3405 Jump tables on Alpha 
llvm-svn: 30463
 2006-09-18 18:01:03 +00:00
Andrew Lenharth
9c54a925e8 oops 
llvm-svn: 30462
 2006-09-18 18:00:18 +00:00
Andrew Lenharth
00bbd5641b absolute addresses must match pointer size 
llvm-svn: 30461
 2006-09-18 17:59:35 +00:00
Jim Laskey
07ac577a34 Sort out mangled names for globals 
llvm-svn: 30460
 2006-09-18 14:47:26 +00:00
Chris Lattner
39218c2b0c Implement a trivial optzn: of vastart is never called in a function that takes 
... args, remove the '...'.

This is Transforms/DeadArgElim/dead_vaargs.ll

llvm-svn: 30459
 2006-09-18 07:02:31 +00:00
Chris Lattner
896e94a925 new testcase 
llvm-svn: 30458
 2006-09-18 07:01:39 +00:00
Chris Lattner
68009a61c5 add a note. Our 64-bit shifts are ~30% slower than gcc's 
llvm-svn: 30457
 2006-09-18 05:36:54 +00:00
Chris Lattner
9c8bffb5e8 Implement InstCombine/cast.ll:test31. This speeds up 462.libquantum by 26%. 
llvm-svn: 30456
 2006-09-18 05:27:43 +00:00
Chris Lattner
2450b96e39 new testcase 
llvm-svn: 30455
 2006-09-18 05:25:10 +00:00
Chris Lattner
3c4ca91dbd Add support for pattern matching cast operations 
llvm-svn: 30454
 2006-09-18 05:17:11 +00:00
Chris Lattner
93bc6e881f fix typo 
llvm-svn: 30453
 2006-09-18 04:58:06 +00:00
Chris Lattner
be102d68c2 add a helper method 
llvm-svn: 30452
 2006-09-18 04:54:57 +00:00
Chris Lattner
a1349de598 This is closer to what we really want. 
llvm-svn: 30451
 2006-09-18 04:54:35 +00:00
Chris Lattner
f7e8879212 Implement Transforms/InstCombine/shift-sra.ll:test0 
llvm-svn: 30450
 2006-09-18 04:31:40 +00:00
Chris Lattner
51d09aab4d New testcase, can be an srl instead of sra 
llvm-svn: 30449
 2006-09-18 04:31:18 +00:00
Chris Lattner
6ee34e89bc Rewrite shift/and/compare sequences to promote better licm of the RHS. 
Use isLogicalShift/isArithmeticShift to simplify code.

llvm-svn: 30448
 2006-09-18 04:22:48 +00:00
Reid Spencer
484c11ebd3 Make the LLVM Publications link point to /pubs/ since this has moved to 
its own page on the LLVM web site.

llvm-svn: 30447
 2006-09-17 23:05:15 +00:00
Anton Korobeynikov
7c2118575c Added some eye-candy for Subtarget type checking 
Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446
 2006-09-17 20:25:45 +00:00
Chris Lattner
547b62a967 Add ShiftInst::isLogical/ArithmeticShift methods. 
llvm-svn: 30445
 2006-09-17 19:29:56 +00:00
Chris Lattner
8aa718b0ed Add new SetCondInst::isRelational/isEquality methods. Rename 
Instruction::isRelational to Instruction::isComparison.

llvm-svn: 30444
 2006-09-17 19:14:47 +00:00
Nick Lewycky
8fbfe60cee Explain change with a comment. 
llvm-svn: 30443
 2006-09-17 17:51:00 +00:00
Nick Lewycky
22b1a725ae Fix PR912. The input to erase() must not be a reference to the data 
being erased.

llvm-svn: 30442
 2006-09-17 16:23:36 +00:00
Anton Korobeynikov
b2b7c2f8b9 Small fixes for supporting dll* linkage types 
llvm-svn: 30441
 2006-09-17 13:06:18 +00:00
Chris Lattner
563785bc55 add a note noticed through source inspection 
llvm-svn: 30418
 2006-09-16 23:57:51 +00:00
Chris Lattner
73f5ad9f38 Oh yeah, this is needed too 
llvm-svn: 30407
 2006-09-16 05:08:34 +00:00
Chris Lattner
22b3d6fba9 add a note 
llvm-svn: 30406
 2006-09-16 03:30:19 +00:00
Chris Lattner
a4689e489e Fix Transforms/InstCombine/2006-09-15-CastToBool.ll and PR913 
llvm-svn: 30405
 2006-09-16 03:14:10 +00:00
Chris Lattner
4655bf8ecc Testcase for PR913 
llvm-svn: 30404
 2006-09-16 03:13:22 +00:00
Chris Lattner
594d4d9483 simplify control flow, no functionality change 
llvm-svn: 30403
 2006-09-16 00:21:44 +00:00