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5059 Commits

Author SHA1 Message Date
Chris Lattner
eeb939accb fix this testcase to pass and remove a duplicate instance of itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49281 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-06 21:39:17 +00:00
Torok Edwin
4fea2e982d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49280 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-06 21:23:02 +00:00
Evan Cheng
1dc7869025 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49246 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-05 01:27:09 +00:00
Evan Cheng
0c0f83ff5d Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49244 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-05 00:30:36 +00:00
Evan Cheng
b589d9f42d New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49190 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-03 21:25:03 +00:00
Dale Johannesen
4672d5d4db Testcase for EH with functions whose names are stripped. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49111 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-02 20:16:41 +00:00
Dan Gohman
68d599df37 Speculatively micro-optimize memory-zeroing calls on Darwin 10. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49048 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 20:38:36 +00:00
Evan Cheng
9845eb5b03 More soft fp fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 02:18:22 +00:00
Evan Cheng
110cf48752 Unbreak ARM / Thumb soft FP support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49012 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-01 01:50:16 +00:00
Dale Johannesen
1d3863fdbc 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.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-31 23:20:09 +00:00
Evan Cheng
427f4c106a It's not safe to fold a load from GV stub or constantpool into a two-address use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-31 23:19:51 +00:00
Dan Gohman
b061c4bc44 Fix a DAGCombiner optimization to respect volatile qualification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-31 20:32:52 +00:00
Chris Lattner
f83e13ae0a add a testcase for forming memset from noncontiguous stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48938 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-29 04:51:35 +00:00
Dan Gohman
d4a2ad35e3 Fix a tokenfactor node to use the load chain rather than the 
load value. This fixes PR2177.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48932 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-28 23:45:16 +00:00
Devang Patel
156b2df00d add another testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-27 17:13:55 +00:00
Devang Patel
53b87db8d3 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-27 01:51:31 +00:00
Evan Cheng
7a963fa8ee Fix a memory bug: increment an iterator of a deleted machine instr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48853 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-27 01:27:25 +00:00
Erick Tryzelaar
7c1483bc6f Expose ExecutionEngine::getTargetData() to c and ocaml bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48851 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-27 00:27:14 +00:00
Evan Cheng
0c28432852 One more coalescer fix wrt deadness propagation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48837 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-26 20:15:49 +00:00
Evan Cheng
ed70cbb3f3 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-26 19:03:01 +00:00
Dale Johannesen
27c31054ec 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48808 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 23:29:30 +00:00
Evan Cheng
26471c48b3 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48792 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 20:08:07 +00:00
Evan Cheng
d34af7875b 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48791 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 20:07:13 +00:00
Dan Gohman
27845362d9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48777 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 16:53:19 +00:00
Gordon Henriksen
1d21395f4c Tests for the instruction iterator bindings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48775 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 16:35:08 +00:00
Tanya Lattner
6f729d601c Byebye llvm-upgrade! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48762 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 04:26:08 +00:00
Evan Cheng
a2fb634def lastRegisterUse() should ignore identity copies. Those will be erased. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 02:02:19 +00:00
Devang Patel
d804f8ff70 check struct layout 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48758 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-25 00:47:49 +00:00
Bill Wendling
3e98c30cf5 Use the bit size of the operand instead of the hard-coded 32 to generate the 
mask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 23:16:37 +00:00
Evan Cheng
62a3f1538c - 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 21:52:23 +00:00
Devang Patel
60a12907c3 Add incoming value from header only if phi node has any use inside the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 20:16:14 +00:00
Devang Patel
fb0f58302a Fix test name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 18:08:07 +00:00
Chris Lattner
0b26a31ae6 apparently tclsh doesn't lex like bash. Weird. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48732 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 17:41:57 +00:00
Chris Lattner
263250b131 pass the option so this test tests the right thing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 17:36:38 +00:00
Devang Patel
eee4f8490b Add new test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48730 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 17:16:39 +00:00
Devang Patel
648deab93b Remove incorrect comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48728 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 16:58:20 +00:00
Dan Gohman
4c931fc6e2 APIntify SelectionDAG's EXTRACT_ELEMENT code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48726 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 16:38:05 +00:00
Evan Cheng
b98a10e8a3 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48715 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-24 00:21:34 +00:00
Gordon Henriksen
4733be3893 Objective Caml bindings for basic block, function, global, and arg iterators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48711 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-23 22:21:29 +00:00
Bill Wendling
d59c517a83 New testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 22:27:01 +00:00
Owen Anderson
856254026f Use normal naming convention for test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 21:08:33 +00:00
Anton Korobeynikov
ef30c1d006 Add testcase for prev. commit. Minor fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48686 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 08:37:05 +00:00
Anton Korobeynikov
591858a403 Support chained aliases for LLVM IR printing. This fixes PR2145 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48684 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 08:17:17 +00:00
Chris Lattner
b017c9e89c implement an initial hack at a straight-line store -> memset optimization. 
This fires dozens of times across spec and multisource, but I don't know
if it actually speeds stuff up.  Hopefully the testers will show something
nice :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 05:37:16 +00:00
Evan Cheng
08b1173971 Teach DAG combiner to commute commutable binary nodes in order to achieve sdisel CSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48673 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-22 01:55:50 +00:00
Dan Gohman
f1d3d666c1 Handle getresult instructions in different basic blocks 
from their aggregate operands by moving the getresult
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 21:01:32 +00:00
Duncan Sands
4c88cc9c2a Testcase for PR2160. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48655 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 20:22:11 +00:00
Chris Lattner
24e0a546b4 Add support for calls that return two FP values in 
ST(0)/ST(1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48634 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 06:38:26 +00:00
Chris Lattner
ae60ddc22a disable a bogus assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48633 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 06:01:05 +00:00
Chris Lattner
0353526ed1 Enable support for returning two long-double values in ST(0)/ST(1). 
This allows us to compile fp-stack-2results.ll into:

_test:
	fldz
	fld1
	ret

which returns 1 in ST(0) and 0 in ST(1).  This is needed for x86-64
_Complex long double.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48632 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 05:57:20 +00:00