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1634 Commits

Author SHA1 Message Date
Dale Johannesen
c8abfdec84 Rename -disable-required-unwind-tables to -unwind-tables-optional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49391 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 18:10:08 +00:00
Dale Johannesen
a25e5787bc Missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49365 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 00:14:59 +00:00
Dale Johannesen
235f7fb474 Add -disable-required-unwind-tables to tests 
that need it (usually, grepping for some string
found in unwind info)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49364 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-08 00:14:17 +00:00
Evan Cheng
565ada0b35 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49343 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-07 17:02:18 +00:00
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
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
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
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
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
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
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
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
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
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
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
Evan Cheng
fa5a91a71e Undo 48570. Correctly match mmx shift instructions with an immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48627 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-21 00:40:09 +00:00
Evan Cheng
260e07ec8c Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, result_size - n - m))) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 02:18:41 +00:00
Scott Michel
79698f60c4 Add more patterns to match in the integer comparison test harnesses. 
Fix bugs encountered, mostly due to range matching for immediates;
the CellSPU's 10-bit immediates are sign extended, covering a
larger range of unsigned values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-20 00:51:36 +00:00
Evan Cheng
dff1dcac6c Add intrinsics to match mmx shift builtin's with immediate operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48569 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 23:38:52 +00:00
Dan Gohman
7925ed05d0 Add support for multiple return values for the PPC target by 
converting call result lowering to use the CallingConvLowering
infastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 21:39:28 +00:00
Christopher Lamb
15cbde3cf6 Fix X86's isTruncateFree to not claim that truncate to i1 is free. This fixes Bill's testcase that failed for r48491. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 08:30:06 +00:00
Evan Cheng
82a6d23700 Fixed a coalescer bug caused by a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 02:26:36 +00:00
Evan Cheng
94202018c5 Fix live variables issues: 
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue.
2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register:
   = EAX, AX<imp-use,kill>
...
AX =
In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-19 00:52:20 +00:00
Evan Cheng
586ccac4ec Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs function implicitly reads X86::AL, don't clobber it! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 23:36:35 +00:00
Bill Wendling
dbfd894561 It might be nice to have this run as x86 on non-x86 platforms... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48511 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:38:22 +00:00
Bill Wendling
2974e49019 Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 22:29:51 +00:00
Dale Johannesen
cf49819877 Make conversions of i8/i16 to ppcf128 work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48493 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 17:28:38 +00:00
Christopher Lamb
981576c818 Target independent DAG transform to use truncate for field extraction + sign extend on targets where this is profitable. Passes nightly on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48491 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 16:46:39 +00:00
Evan Cheng
3c88d742d4 Rewrite code that propagate isDead information after a dead copy is coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48490 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-18 08:26:47 +00:00
Chris Lattner
9493268124 ensure we continue matching x86-64 rotates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48437 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-17 01:35:03 +00:00
Evan Cheng
c17ba8a28d Fix PR2138. Apparently any modification to a std::multimap (including remove entries for a different key) can invalidate multimap iterators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48371 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-14 20:44:01 +00:00