Chris Lattner
95307053ec
Allow setcc operations to have nonbool types.
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llvm-svn: 19656
2005-01-18 02:52:03 +00:00
Chris Lattner
ec55e3e529
Implement legalize of call nodes.
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llvm-svn: 19617
2005-01-16 19:46:48 +00:00
Chris Lattner
0eca430af1
Revamp supported ops. Instead of just being supported or not, we now keep
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track of how to deal with it, and provide the target with a hook that they
can use to legalize arbitrary operations in arbitrary ways.
Implement custom lowering for a couple of ops, implement promotion for select
operations (which x86 needs).
llvm-svn: 19613
2005-01-16 07:29:19 +00:00
Chris Lattner
0f4f239899
Implement some more missing promotions.
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llvm-svn: 19606
2005-01-16 05:06:12 +00:00
Chris Lattner
742b77f9af
Clarify assertion.
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llvm-svn: 19597
2005-01-16 02:23:34 +00:00
Chris Lattner
01e2ce8a4c
Move some information into the TargetLowering object.
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llvm-svn: 19583
2005-01-16 01:11:45 +00:00
Chris Lattner
0777f84d53
legalize a bunch of operations that I missed.
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llvm-svn: 19580
2005-01-16 00:38:00 +00:00
Chris Lattner
8c4c81d6b3
Fix some serious bugs in promotion.
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llvm-svn: 19578
2005-01-16 00:17:42 +00:00
Chris Lattner
df02c93d90
Implement promotion of a whole bunch more operators. I think that this is
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basically everything.
llvm-svn: 19576
2005-01-15 22:16:26 +00:00
Chris Lattner
1ab9009270
Add support for legalizing FP_ROUND_INREG, SIGN_EXTEND_INREG, and
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ZERO_EXTEND_INREG for targets that don't support them.
llvm-svn: 19573
2005-01-15 07:15:18 +00:00
Chris Lattner
fdd07b4092
Add support for promoting ADD/MUL.
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Add support for new SIGN_EXTEND_INREG, ZERO_EXTEND_INREG, and FP_ROUND_INREG operators.
Realize that if we do any promotions, we need to iterate SelectionDAG
construction.
llvm-svn: 19569
2005-01-15 06:18:18 +00:00
Chris Lattner
94b8a3e50c
Add intitial support for promoting some operators.
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llvm-svn: 19565
2005-01-15 05:21:40 +00:00
Chris Lattner
2dfbc4fddd
Adjust to CopyFromReg changes, implement deletion of truncating/extending
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stores/loads.
llvm-svn: 19562
2005-01-14 22:38:01 +00:00
Chris Lattner
0974002024
Start implementing truncating stores and extending loads.
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llvm-svn: 19559
2005-01-14 22:08:15 +00:00
Chris Lattner
7a8788c9ac
Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode.
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llvm-svn: 19535
2005-01-13 20:50:02 +00:00
Chris Lattner
37a5de6eb0
Legalize new node, add assertion.
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llvm-svn: 19527
2005-01-13 17:59:25 +00:00
Chris Lattner
1b3b24f116
Fix sign extend to long. When coming from sbyte, we used to generate:
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movsbl 4(%esp), %eax
movl %eax, %edx
sarl $7, %edx
Now we generate:
movsbl 4(%esp), %eax
movl %eax, %edx
sarl $31, %edx
Which is right.
llvm-svn: 19515
2005-01-12 18:19:52 +00:00
Reid Spencer
c8c50250a1
Shut up warnings with GCC 3.4.3 about uninitialized variables.
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llvm-svn: 19512
2005-01-12 14:53:45 +00:00
Chris Lattner
8de5a27681
Squelch optimized warning.
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llvm-svn: 19475
2005-01-11 17:46:49 +00:00
Chris Lattner
963af6652b
Teach legalize to lower MEMSET/MEMCPY/MEMMOVE operations if the target
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does not support them.
llvm-svn: 19465
2005-01-11 05:57:22 +00:00
Chris Lattner
5433d8de29
Lower to the correct functions. This fixes FreeBench/fourinarow
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llvm-svn: 19436
2005-01-10 21:02:37 +00:00
Chris Lattner
d674d08230
Fix a bug legalizing call instructions (make sure to remember all result
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values), and eliminate some switch statements.
llvm-svn: 19417
2005-01-09 19:43:23 +00:00
Chris Lattner
ac23355362
Fix a minor bug legalizing dynamic_stackalloc. This allows us to compile
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std::__pad<wchar_t, std::char_traits<wchar_t> >::_S_pad(std::ios_base&, wchar_t, wchar_t*, wchar_t const*, int, int, bool)
from libstdc++
llvm-svn: 19416
2005-01-09 19:07:54 +00:00
Chris Lattner
b3e31c6def
Teach legalize to deal with DYNAMIC_STACKALLOC (aka a dynamic llvm alloca)
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llvm-svn: 19415
2005-01-09 19:03:49 +00:00
Chris Lattner
3b52b2f6c2
Tighten up assertions.
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llvm-svn: 19397
2005-01-08 20:35:13 +00:00
Chris Lattner
a58b3f48ef
Silence VS warnings.
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llvm-svn: 19384
2005-01-08 19:52:31 +00:00
Chris Lattner
38545e9952
Implement handling of most long operators through libcalls.
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Fix a bug legalizing "ret (Val,Val)"
llvm-svn: 19375
2005-01-08 19:27:05 +00:00
Chris Lattner
fd84495692
Add support for FP->INT conversions and back.
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llvm-svn: 19369
2005-01-08 08:08:56 +00:00
Chris Lattner
e759d984cf
Implement the 'store FPIMM, Ptr' -> 'store INTIMM, Ptr' optimization for
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all targets.
llvm-svn: 19366
2005-01-08 06:25:56 +00:00
Chris Lattner
6f461f406e
Add support for truncating integer casts from long.
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llvm-svn: 19358
2005-01-07 22:37:48 +00:00
Chris Lattner
79ca9cdb7e
Fix a bug in load expansion legalization and ret legalization. This fixes
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CodeGen/Generic/select.ll:castconst.
llvm-svn: 19357
2005-01-07 22:28:47 +00:00
Chris Lattner
a834e96647
Legalize unconditional branches too
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llvm-svn: 19356
2005-01-07 22:12:08 +00:00
Chris Lattner
3f2ce91a99
Implement support for long GEP indices on 32-bit archs and support for
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int GEP indices on 64-bit archs.
llvm-svn: 19354
2005-01-07 21:56:57 +00:00
Chris Lattner
60e3842843
implement legalization of a bunch more operators.
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llvm-svn: 19352
2005-01-07 21:45:56 +00:00
Chris Lattner
8c6c12da86
Fix another bug legalizing calls!
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llvm-svn: 19350
2005-01-07 21:35:32 +00:00
Chris Lattner
d671aa053c
Fix a bug legalizing calls
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llvm-svn: 19348
2005-01-07 21:34:13 +00:00
Chris Lattner
3871313761
After legalizing a DAG, delete dead nodes to save space.
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llvm-svn: 19346
2005-01-07 21:09:37 +00:00
Chris Lattner
39baa91b9a
Teach legalize how to handle condbranches
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llvm-svn: 19339
2005-01-07 08:19:42 +00:00
Chris Lattner
fd473edcd8
Initial implementation of the DAG legalization. This still has a long way
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to go, but it does work for some non-trivial cases now.
llvm-svn: 19329
2005-01-07 07:47:09 +00:00