Chris Lattner
c7013ec3a9
do not call expandop on the same value more than once. This fixes
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X86/2004-02-22-Casts.llx
llvm-svn: 21919
2005-05-13 04:45:13 +00:00
Chris Lattner
51de10e0c6
fix a bad typeo
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llvm-svn: 21917
2005-05-12 23:51:40 +00:00
Chris Lattner
00d2fb482f
update comment
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llvm-svn: 21916
2005-05-12 23:24:44 +00:00
Chris Lattner
094bbfcebb
rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN.
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llvm-svn: 21915
2005-05-12 23:24:06 +00:00
Chris Lattner
3106dfa185
Add a new -enable-x86-fastcc option that enables passing the first
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two integer values in registers for the fastcc calling conv.
llvm-svn: 21912
2005-05-12 23:06:28 +00:00
Chris Lattner
dd2700de99
Pass calling convention to use into lower call to
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llvm-svn: 21900
2005-05-12 19:56:57 +00:00
Chris Lattner
7e08dd591c
Pass in Calling Convention to use into LowerCallTo
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llvm-svn: 21899
2005-05-12 19:56:45 +00:00
Chris Lattner
d8766cdae2
Enable pattern isel by default
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llvm-svn: 21898
2005-05-12 19:56:09 +00:00
Chris Lattner
ad48ef0a7d
fix expansion of ct[lt]z nodes
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llvm-svn: 21896
2005-05-12 19:27:51 +00:00
Chris Lattner
6b5bacbc0b
Expand 64-bit ctlz/cttz nodes for 32-bit targets
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llvm-svn: 21895
2005-05-12 19:05:01 +00:00
Chris Lattner
3677432d39
Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP to
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work on it.
llvm-svn: 21894
2005-05-12 18:52:34 +00:00
Chris Lattner
dbcdac1ebf
Allow something to be legalized multiple times. This can be used to reduce
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legalization iteration
llvm-svn: 21892
2005-05-12 16:53:42 +00:00
Chris Lattner
a9a41e8856
Oops, don't do this after we figure out where to insert the call chains.
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llvm-svn: 21890
2005-05-12 07:00:44 +00:00
Chris Lattner
b58308e6d4
Make sure to expand all nodes, avoiding unintentional node duplication.
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llvm-svn: 21889
2005-05-12 06:54:21 +00:00
Chris Lattner
9f40cfa0a1
handle a common case generated by the uint64 -> FP code path better
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llvm-svn: 21888
2005-05-12 06:27:02 +00:00
Chris Lattner
1c248e7462
add fixme
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llvm-svn: 21887
2005-05-12 06:04:14 +00:00
Chris Lattner
5f2a0d17ab
Fix a really horrible problem that causes the JIT to miscompile any program
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that use 64-bit integers on 32-bit hosts.
llvm-svn: 21886
2005-05-12 06:01:28 +00:00
Chris Lattner
1196356365
Fix a problem where early legalization can cause token chain problems.
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llvm-svn: 21885
2005-05-12 04:49:08 +00:00
Chris Lattner
6b0a45e42c
These targets don't like setcc
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llvm-svn: 21884
2005-05-12 02:06:00 +00:00
Chris Lattner
b38ffd7fbf
Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -C
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llvm-svn: 21882
2005-05-12 00:17:04 +00:00
Nate Begeman
e84f776b5d
Necessary changes to codegen cttz efficiently on PowerPC
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1. Teach LegalizeDAG how to better legalize CTTZ if the target doesn't have
CTPOP, but does have CTLZ
2. Teach PPC32 how to do sub x, const -> add x, -const for valid consts
3. Teach PPC32 how to do and (xor a, -1) b -> andc b, a
4. Teach PPC32 that ISD::CTLZ -> PPC::CNTLZW
llvm-svn: 21880
2005-05-11 23:43:56 +00:00
Tanya Lattner
265167f8db
Fixed issue that broke ssa.
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llvm-svn: 21878
2005-05-11 21:45:03 +00:00
Chris Lattner
da3dd2f9e2
fix some GCC 4 warnings
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llvm-svn: 21877
2005-05-11 21:40:40 +00:00
John Criswell
38c97a63d4
Added support for decomposing constant expressions containing shr and shl
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instructions.
Review of this commit would be greatly appreciated.
llvm-svn: 21876
2005-05-11 21:16:42 +00:00
Chris Lattner
8f2d079b36
Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passes
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with the CBE
llvm-svn: 21875
2005-05-11 20:24:12 +00:00
Chris Lattner
303ac68c80
Fix lowering of cttz to work with signed values
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llvm-svn: 21874
2005-05-11 20:02:14 +00:00
Chris Lattner
330f44f3b6
fix and concisify intinsic lowering for ctpop. Unfortunately, this code
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looks completely untested. :(
llvm-svn: 21873
2005-05-11 19:42:05 +00:00
Chris Lattner
eeeaf45bba
Fix the last remaining bug preventing us from switching the X86 BE over
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from the simple isel to the pattern isel. This forces inserted libcalls
to serialize against other function calls, which was breaking
UnitTests/2005-05-12-Int64ToFP. Hopefully this will fix issues on other
targets as well.
llvm-svn: 21872
2005-05-11 19:02:11 +00:00
Chris Lattner
296754995e
Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them.
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llvm-svn: 21871
2005-05-11 18:57:39 +00:00
Chris Lattner
74763db128
wrap long line
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llvm-svn: 21870
2005-05-11 18:57:06 +00:00
Chris Lattner
d76582b540
Make sure to legalize generated ctpop nodes, convert tabs to spaces
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llvm-svn: 21868
2005-05-11 18:35:21 +00:00
Duraid Madina
8ad9786fcd
expand count-leading/trailing-zeros; the test 2005-05-11-Popcount-ffs-fls.c
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should now pass (the "LLVM" and "REF" results should be identical)
llvm-svn: 21866
2005-05-11 08:45:08 +00:00
Chris Lattner
b452b5aa42
Add some notes for expanding clz/ctz
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llvm-svn: 21862
2005-05-11 05:27:09 +00:00
Chris Lattner
4f05136f61
Simplify this code, use the proper shift amount
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llvm-svn: 21861
2005-05-11 05:21:31 +00:00
Duraid Madina
b9062e56cf
add the popcount instruction and support this in the isel
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the primary user of this will probably end up being find-first-set-bit/find-
last-set-bit, which i'll get around to...
llvm-svn: 21860
2005-05-11 05:16:09 +00:00
Chris Lattner
3edc8ecb53
Legalize this correctly
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llvm-svn: 21859
2005-05-11 05:09:47 +00:00
Chris Lattner
d5d2886ee7
No really IA*64* :)
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llvm-svn: 21858
2005-05-11 05:03:56 +00:00
Chris Lattner
e358ac532b
X86 has more than just 32-bit registers
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llvm-svn: 21857
2005-05-11 05:00:34 +00:00
Chris Lattner
457996c4a6
implement expansion of ctpop nodes, implementing CodeGen/Generic/llvm-ct-intrinsics.ll
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llvm-svn: 21856
2005-05-11 04:51:16 +00:00
Chris Lattner
ce84b90a3d
Print bit count nodes correctly
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llvm-svn: 21855
2005-05-11 04:50:30 +00:00
Chris Lattner
593c0e8957
Do not use "" as a sentinal for a missing argument! This fixes PR560.
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llvm-svn: 21850
2005-05-10 23:20:17 +00:00
Misha Brukman
4fda633c59
Why output multiple strings, let the compiler concatenate them for us for free
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llvm-svn: 21845
2005-05-10 22:03:50 +00:00
Misha Brukman
d264be8e32
* Convert tabs to spaces, fix code alignment
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* Remove trailing whitespace
* Wrap long lines
llvm-svn: 21844
2005-05-10 22:02:28 +00:00
Chris Lattner
8230bddde2
Convert feature of the simple isel over for the pattern isel to use.
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llvm-svn: 21840
2005-05-10 03:53:18 +00:00
Chris Lattner
758f2fe1a3
Fix Reassociate/shifttest.ll
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llvm-svn: 21839
2005-05-10 03:39:25 +00:00
Jeff Cohen
afc58006b7
Silence some VC++ warnings
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llvm-svn: 21838
2005-05-10 02:22:38 +00:00
Chris Lattner
f221558c21
If a function contains no allocas, all of the calls in it are trivially
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suitable for tail calls.
llvm-svn: 21836
2005-05-09 23:51:13 +00:00
Chris Lattner
5edb4c4af6
The semantics of cast X to bool are a comparison against zero, not a truncation!
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llvm-svn: 21833
2005-05-09 22:17:13 +00:00
Chris Lattner
d96aea21d7
Implement READPORT/WRITEPORT, implementing the last X86 regression tests
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that were failing with the pattern selector. Note that the support that
existed in the simple selector was clearly broken in several ways though
(which has also been fixed).
llvm-svn: 21831
2005-05-09 21:17:38 +00:00
Chris Lattner
6a55b1d4dd
do not emit illegal instructions
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llvm-svn: 21830
2005-05-09 21:06:04 +00:00