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5071 Commits

Author SHA1 Message Date
Chris Lattner
be01a5f699 Generalize getUnaryFloatFunction to handle any FP unary function, automatically 
figuring out the suffix to use.  implement pow(2,x) -> exp2(x).

llvm-svn: 49437
 2008-04-09 17:48:11 +00:00
Chris Lattner
5d0cbe7d22 remove capital letter from test name. 
llvm-svn: 49436
 2008-04-09 17:46:36 +00:00
Owen Anderson
ca7e0e21f3 Factor a bunch of functionality related to memcpy and memset transforms out of 
GVN and into its own pass.

llvm-svn: 49419
 2008-04-09 08:23:16 +00:00
Evan Cheng
f35cc57821 Missed a hasInterval check. 
llvm-svn: 49415
 2008-04-09 01:30:15 +00:00
Chris Lattner
976ea8990e many cleanups to the pow optimizer. Allow it to handle powf, 
add support for  pow(x, 2.0) -> x*x.

llvm-svn: 49411
 2008-04-09 00:07:45 +00:00
Duncan Sands
b430cf3b7c Check that bodies and calls but not declarations 
are marked nounwind when compiling without
-fexceptions.

llvm-svn: 49393
 2008-04-08 19:31:52 +00:00
Dale Johannesen
5ac0a0ed21 Rename -disable-required-unwind-tables to -unwind-tables-optional. 
llvm-svn: 49391
 2008-04-08 18:10:08 +00:00
Gabor Greif
80acb912a9 merge r48768 from branches/ggreif/parallelized-test 
llvm-svn: 49382
 2008-04-08 15:22:41 +00:00
Dale Johannesen
576a7685f2 Missed one. 
llvm-svn: 49365
 2008-04-08 00:14:59 +00:00
Dale Johannesen
3f992b224e Add -disable-required-unwind-tables to tests 
that need it (usually, grepping for some string
found in unwind info)

llvm-svn: 49364
 2008-04-08 00:14:17 +00:00
Duncan Sands
79af9d68ec Testcase for pr2169. 
llvm-svn: 49344
 2008-04-07 17:03:16 +00:00
Evan Cheng
6c58f2397d Fix test. 
llvm-svn: 49343
 2008-04-07 17:02:18 +00:00
Chris Lattner
f88214caca fix this testcase to pass and remove a duplicate instance of itself. 
llvm-svn: 49281
 2008-04-06 21:39:17 +00:00
Torok Edwin
34e6889671 Prefer to expand mask for xor to -1, so we have a chance to turn it into a not. 
If it cannot be expanded, it will keep the old behaviour and try to shrink the constant.
Part of enhancement for PR2191.

llvm-svn: 49280
 2008-04-06 21:23:02 +00:00
Evan Cheng
d7d1c94e67 1. IMPLICIT_DEF can *re-define* any register. 
2. Coalescer can now create an interesting situation where a register def can
   reaches itself without being killed.

llvm-svn: 49246
 2008-04-05 01:27:09 +00:00
Evan Cheng
4d7b2ab16f Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps. 
llvm-svn: 49244
 2008-04-05 00:30:36 +00:00
Evan Cheng
f045d86660 New test case. 
llvm-svn: 49190
 2008-04-03 21:25:03 +00:00
Dale Johannesen
ebfa6edc65 Testcase for EH with functions whose names are stripped. 
llvm-svn: 49111
 2008-04-02 20:16:41 +00:00
Dan Gohman
168b2b1300 Speculatively micro-optimize memory-zeroing calls on Darwin 10. 
llvm-svn: 49048
 2008-04-01 20:38:36 +00:00
Evan Cheng
c2f298f318 More soft fp fixes. 
llvm-svn: 49016
 2008-04-01 02:18:22 +00:00
Evan Cheng
a38ae9c502 Unbreak ARM / Thumb soft FP support. 
llvm-svn: 49012
 2008-04-01 01:50:16 +00:00
Dale Johannesen
d9a5b77269 Mark functions in some tests as 'nounwind'. Generating 
EH info for these functions causes the tests to fail for
random reasons (e.g. looking for 'or' or counting lines
with asm-printer; labels count as lines.)

llvm-svn: 49003
 2008-03-31 23:20:09 +00:00
Evan Cheng
a3ce7b4c76 It's not safe to fold a load from GV stub or constantpool into a two-address use. 
llvm-svn: 49002
 2008-03-31 23:19:51 +00:00
Dan Gohman
f223eaafcd Fix a DAGCombiner optimization to respect volatile qualification. 
llvm-svn: 48994
 2008-03-31 20:32:52 +00:00
Chris Lattner
12cecbbb25 add a testcase for forming memset from noncontiguous stores. 
llvm-svn: 48938
 2008-03-29 04:51:35 +00:00
Dan Gohman
227e702cae Fix a tokenfactor node to use the load chain rather than the 
load value. This fixes PR2177.

llvm-svn: 48932
 2008-03-28 23:45:16 +00:00
Devang Patel
0951d2a8d3 add another testcase 
llvm-svn: 48881
 2008-03-27 17:13:55 +00:00
Devang Patel
a04c63181f New test case. 
llvm-svn: 48858
 2008-03-27 01:51:31 +00:00
Evan Cheng
6cbce6b602 Fix a memory bug: increment an iterator of a deleted machine instr. 
llvm-svn: 48853
 2008-03-27 01:27:25 +00:00
Erick Tryzelaar
0efea4df76 Expose ExecutionEngine::getTargetData() to c and ocaml bindings. 
llvm-svn: 48851
 2008-03-27 00:27:14 +00:00
Evan Cheng
6fc37c8f25 One more coalescer fix wrt deadness propagation. 
llvm-svn: 48837
 2008-03-26 20:15:49 +00:00
Evan Cheng
8d222d6221 Avoid commuting a def MI in order to coalesce a copy instruction away if any use of the same val# is a copy instruction that has already been coalesced. 
llvm-svn: 48833
 2008-03-26 19:03:01 +00:00
Dale Johannesen
8c1e95810f Use ## for comment delimiter on darwin x86-32, so 
llvm's output .s files will go through gcc -std=c99
without triggering preprocesser errors.  Approach
suggested by Daveed Vandevoorde.

llvm-svn: 48808
 2008-03-25 23:29:30 +00:00
Evan Cheng
8cb64d8e8b Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it. 
llvm-svn: 48792
 2008-03-25 20:08:07 +00:00
Evan Cheng
563b265f37 Handle a special case xor undef, undef -> 0. Technically this should be transformed to undef. But this is such a common idiom (misuse) we are going to handle it. 
llvm-svn: 48791
 2008-03-25 20:07:13 +00:00
Dan Gohman
58ad056286 Add CMP32mr and friends to the load-unfolding table. Among 
other things, this allows the scheduler to unfold a load operand
in the 2008-01-08-SchedulerCrash.ll testcase, so it now successfully
clones the comparison to avoid a pushf+popf.

llvm-svn: 48777
 2008-03-25 16:53:19 +00:00
Gordon Henriksen
2d762e28e9 Tests for the instruction iterator bindings. 
llvm-svn: 48775
 2008-03-25 16:35:08 +00:00
Tanya Lattner
b6a27ed83f Byebye llvm-upgrade! 
llvm-svn: 48762
 2008-03-25 04:26:08 +00:00
Evan Cheng
7c1dcd8371 lastRegisterUse() should ignore identity copies. Those will be erased. 
llvm-svn: 48759
 2008-03-25 02:02:19 +00:00
Devang Patel
a7084b048f check struct layout 
llvm-svn: 48758
 2008-03-25 00:47:49 +00:00
Bill Wendling
2097b72649 Use the bit size of the operand instead of the hard-coded 32 to generate the 
mask.

llvm-svn: 48750
 2008-03-24 23:16:37 +00:00
Evan Cheng
dbdf48276a - SSE4.1 extractfps extracts a f32 into a gr32 register. Very useful! Not. Fix the instruction specification and teaches lowering code to use it only when the only use is a store instruction. 
llvm-svn: 48746
 2008-03-24 21:52:23 +00:00
Devang Patel
425514c509 Add incoming value from header only if phi node has any use inside the loop. 
llvm-svn: 48738
 2008-03-24 20:16:14 +00:00
Devang Patel
25068296ec Fix test name. 
llvm-svn: 48733
 2008-03-24 18:08:07 +00:00
Chris Lattner
97e4d98c2d apparently tclsh doesn't lex like bash. Weird. 
llvm-svn: 48732
 2008-03-24 17:41:57 +00:00
Chris Lattner
3a6d3372f5 pass the option so this test tests the right thing. 
llvm-svn: 48731
 2008-03-24 17:36:38 +00:00
Devang Patel
9548f89eaf Add new test. 
llvm-svn: 48730
 2008-03-24 17:16:39 +00:00
Devang Patel
4ca45ebdf4 Remove incorrect comment. 
llvm-svn: 48728
 2008-03-24 16:58:20 +00:00
Dan Gohman
b9c5e6258f APIntify SelectionDAG's EXTRACT_ELEMENT code. 
llvm-svn: 48726
 2008-03-24 16:38:05 +00:00
Evan Cheng
1d63708523 Transform (zext (or (icmp), (icmp))) to (or (zext (cimp), (zext icmp))) if at least one of the (zext icmp) can be transformed to eliminate an icmp. 
llvm-svn: 48715
 2008-03-24 00:21:34 +00:00