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Author SHA1 Message Date
Chris Lattner
3a972c2951 add a testcase for a feature we regressed on because noone wrote the test! :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23513 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 23:03:11 +00:00
Chris Lattner
d8ead9e250 Autogen MUL, move FP cases together 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:53:16 +00:00
Chris Lattner
88add100b3 disentangle FP from INT versions of div/mul 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23511 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:50:24 +00:00
Chris Lattner
4a7de219b4 Use the autogenerated matcher for ADD/SUB 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23510 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:47:28 +00:00
Chris Lattner
e025574370 add a patter for SUBFIC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23509 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:47:06 +00:00
Chris Lattner
0648ccf1e9 Mark int binops as int-only, add FP binops. Mark FADD/FMUL as commutative but 
not associative.  Add [SU]REM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23508 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:38:27 +00:00
Chris Lattner
bed21de39b wrap a long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:30:58 +00:00
Chris Lattner
615c2d0920 Add FP versions of the binary operators, keeping the int and fp worlds seperate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23506 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:29:58 +00:00
Chris Lattner
3e2bafd640 Add FP versions of the binary operators, keeping the int and fp worlds seperate. 
Though I have done extensive testing, it is possible that this will break
things in configs I can't test.  Please let me know if this causes a problem
and I'll fix it ASAP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23505 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:29:17 +00:00
Chris Lattner
01b3d73c20 Add FP versions of the binary operators, keeping the int and fp worlds seperate. 
Though I have done extensive testing, it is possible that this will break
things in configs I can't test.  Please let me know if this causes a problem
and I'll fix it ASAP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23504 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 22:28:18 +00:00
Chris Lattner
a5cac6f6eb Mark associative nodes as associative 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23503 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 20:58:39 +00:00
Chris Lattner
7cf2fe6c48 add support for an associative marker 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23502 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 20:58:06 +00:00
Chris Lattner
e97603f1bd Emit an error if instructions or patterns are defined but can never match. 
Currently we check that immediate values live on the RHS of commutative
operators.  Defining ORI like this, for example:

def ORI   : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
                    "ori $dst, $src1, $src2",
                    [(set GPRC:$dst, (or immZExt16:$src2, GPRC:$src1))]>;

results in:

tblgen: In ORI: Instruction can never match: Immediate values must be on the RHS of commutative operators!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23501 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 19:27:25 +00:00
Chris Lattner
645992f595 Nate pointed out that mulh[us] are commutative as well. Thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23500 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 19:01:44 +00:00
Chris Lattner
a1a68ae061 collect commutativity information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:28:29 +00:00
Chris Lattner
6bcf1b7eed expose commutativity information 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:27:58 +00:00
Chris Lattner
393e138f60 All (xor *) cases are autogenerated now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23497 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:12:37 +00:00
Chris Lattner
cfc828a3d0 add support for missed eqv tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23496 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:10:51 +00:00
Chris Lattner
dea6695716 add testcase for nand 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:08:58 +00:00
Chris Lattner
1bd8b7b06e Implement PowerPC/eqv-andc-orc-nor.ll:EQV3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23494 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:04:52 +00:00
Chris Lattner
3e63428b2d Consolidate the eqv.ll and nor.ll files together. 
Add a missed eqv case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23493 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 18:04:22 +00:00
Chris Lattner
05814af29f Prefer cheaper patterns to more expensive ones. Print the costs to the generated 
file


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23492 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 17:57:56 +00:00
Chris Lattner
14c9caba44 simple tests for nor generation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23491 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 17:55:10 +00:00
Chris Lattner
91da8623be learn to codegen not as NOR instead of xoris/xori 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23490 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 17:13:15 +00:00
Chris Lattner
d135fa4fd6 These nodes are all autogenerated 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23489 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 17:07:09 +00:00
Chris Lattner
f6f9416363 Select Constant nodes to TargetConstant nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23488 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 16:58:06 +00:00
Chris Lattner
32643d8e05 Constant fold llvm.sqrt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23487 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-28 01:34:32 +00:00
Chris Lattner
5b3c70263b add a note about a way to improve this code further, that I won't be getting 
to right now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23485 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:44:59 +00:00
Chris Lattner
9a5582f251 Fix a regression in my previous patch, fixing GlobalOpt/2005-09-27-Crash.ll 
and PR632.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23484 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:28:11 +00:00
Chris Lattner
ee35a4f958 Testcase for PR632 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23483 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:27:19 +00:00
Chris Lattner
d145a61f8f Darwin, like many BSD systems, has a setjmp/longjmp which saves the signal mask 
on setjmp calls and restores it on longjmp calls (both of which require syscalls).

This makes the calls REALLY slow.  Use _setjmp/_longjmp instead.  This speeds up
hexxagon from 120.31s to 15.68s: from 5.53x slower than GCC to 28% faster than GCC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23482 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:18:25 +00:00
Chris Lattner
6c38b33613 If the target prefers it, use _setjmp/_longjmp should be used instead of setjmp/longjmp for llvm.setjmp/llvm.longjmp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23481 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:15:53 +00:00
Chris Lattner
8e6be8b921 initialize new flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23480 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:13:56 +00:00
Chris Lattner
5e93fbe68c Add a new flag for targets where setjmp/longjmp saves/restores the signal mask, 
and _setjmp/_longjmp should be used instead (for llvm.setjmp/llvm.longjmp).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23479 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 22:13:36 +00:00
Chris Lattner
4531371960 Avoid spilling stack slots... to stack slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23478 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 21:33:12 +00:00
Chris Lattner
f4e6c3a69b Completely rewrite 'correct' eh support. This changes how setjmp insertion 
is performed so it is only at most once per function that contains an invoke
instead of once per invoke in the function.  This patch has the following perks:

1. It fixes PR631, which complains about slowness.
2. If fixes PR240, which complains about non-volatile vars being live across
   setjmp/longjmps.
3. It improves (but does not fix) the jmpbuf alignment issue on itanium by not
   forcing the jmpbufs to always be 8-bytes off the alignment of the structure.
4. It speeds up 253.perlbmk from 338s to 13.70s (a 25x improvement!), making us
   now about 4% faster than GCC.

Further improvements are also possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23477 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 21:18:17 +00:00
Chris Lattner
fe15830f96 Make the pass name simpler 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23476 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 21:10:32 +00:00
Chris Lattner
b94388a76a fix CBackend/2005-09-27-VolatileFuncPtr.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23475 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 20:52:44 +00:00
Chris Lattner
7a66641ba9 new testcase the CBE creates invalid C code for 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23474 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 20:52:30 +00:00
Chris Lattner
6d7277b3b4 allow demotion to volatile values, add support for invoke 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23473 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 19:39:00 +00:00
Chris Lattner
cc0f703f42 allow demotion to volatile values 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23472 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 19:38:43 +00:00
Chris Lattner
90b108774f Add a simple testcase for lowerinvoke 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23471 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 18:34:31 +00:00
Chris Lattner
333bd835bd Make sure to clear the CodeGenMap after each basic block is selected to avoid 
cross MBB pollution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23470 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 17:45:33 +00:00
Jim Laskey
5324fec644 Remove some redundancies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23469 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 17:32:45 +00:00
Chris Lattner
09f00b1295 Make this slightly more efficient by pushing actual type information down 
into the evaluator.  This shrinks a release build of instcombine's text
section from 216363 to 215975 bytes (on PPC).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23468 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 06:38:05 +00:00
Chris Lattner
df0ef1d0fe Split SimpleConstantVal up into its components, so each Constant subclass getsa different enum value. This allows 'classof' for these to be really simple,not needing to call getType() anymore. 
This speeds up isa/dyncast/etc for constants, and also makes them smaller.
For example, the text section of a release build of InstCombine.cpp shrinks
from 230037 bytes to 216363 bytes, a 6% reduction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23467 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 06:09:08 +00:00
Chris Lattner
225e8dd2f5 Split SimpleConstantVal up into its components, so each Constant subclass gets 
a different enum value.  This allows 'classof' for these to be really simple,
not needing to call getType() anymore.

This speeds up isa/dyncast/etc for constants, and also makes them smaller.
For example, the text section of a release build of InstCombine.cpp shrinks
from 230037 bytes to 216363 bytes, a 6% reduction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23466 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 06:08:32 +00:00
Chris Lattner
a9ec8ab32b Add support for external calls that we know how to constant fold. This implements 
ctor-list-opt.ll:CTOR8


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23465 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 05:02:43 +00:00
Chris Lattner
dbe298571f add a new testcase for constant foldable calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23464 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 05:02:03 +00:00
Chris Lattner
231308c545 Fix a bug where we would evaluate stores into linkonce objects which could be 
potentially replaced at link-time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23463 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-09-27 04:50:03 +00:00