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Author SHA1 Message Date
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
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
Jeff Cohen
c01a53007a Fix some VC++ warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35224 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:43:18 +00:00
Jeff Cohen
09dfd8e19d Fix (and simplify) 48-bit byte swap. 
Get pos/neg infinity the correct way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35223 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:42:36 +00:00
Devang Patel
58efcd3bcd LoopSimplify::FindPHIToPartitionLoops() 
Use ETForest instead of DominatorSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35222 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:19:48 +00:00
Devang Patel
3b57b6f36e LoopSimplify::FindPHIToPartitionLoops() 
Use ETForest instead of DominatorSet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35221 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:18:12 +00:00
Lauro Ramos Venancio
a0a26b7454 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35220 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 20:09:03 +00:00
Evan Cheng
29a68fb5b7 Minor bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35219 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 19:32:11 +00:00
Lauro Ramos Venancio
64c88d741e bugfix: When the source register of CALL_NOLINK was LR, the following code was emitted: 
mov lr, pc
    bx lr
So, the function was not called.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35218 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 17:57:23 +00:00
Chris Lattner
431b4d51a7 llvm-gcc now requires -fnested-functions to enable them in C. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35217 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 17:34:31 +00:00
Reid Spencer
6dd81dadb2 Break up huge line so that this file is almost readable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35216 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 17:27:19 +00:00
Reid Spencer
9eba7a2cb5 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35215 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 17:19:31 +00:00
Reid Spencer
810cce8434 Don't delete things before their last use (avoids bad reads). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35214 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-20 17:18:33 +00:00