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1536 Commits

Author SHA1 Message Date
Chris Lattner
00d2fb482f update comment 
llvm-svn: 21916
 2005-05-12 23:24:44 +00:00
Chris Lattner
094bbfcebb rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
dd2700de99 Pass calling convention to use into lower call to 
llvm-svn: 21900
 2005-05-12 19:56:57 +00:00
Chris Lattner
ad48ef0a7d fix expansion of ct[lt]z nodes 
llvm-svn: 21896
 2005-05-12 19:27:51 +00:00
Chris Lattner
6b5bacbc0b Expand 64-bit ctlz/cttz nodes for 32-bit targets 
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 
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 
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. 
llvm-svn: 21890
 2005-05-12 07:00:44 +00:00
Chris Lattner
b58308e6d4 Make sure to expand all nodes, avoiding unintentional node duplication. 
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 
llvm-svn: 21888
 2005-05-12 06:27:02 +00:00
Chris Lattner
1c248e7462 add fixme 
llvm-svn: 21887
 2005-05-12 06:04:14 +00:00
Chris Lattner
1196356365 Fix a problem where early legalization can cause token chain problems. 
llvm-svn: 21885
 2005-05-12 04:49:08 +00:00
Chris Lattner
b38ffd7fbf Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -C 
llvm-svn: 21882
 2005-05-12 00:17:04 +00:00
Nate Begeman
e84f776b5d Necessary changes to codegen cttz efficiently on PowerPC 
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
Chris Lattner
8f2d079b36 Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passes 
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 
llvm-svn: 21874
 2005-05-11 20:02:14 +00:00
Chris Lattner
330f44f3b6 fix and concisify intinsic lowering for ctpop. Unfortunately, this code 
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 
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. 
llvm-svn: 21871
 2005-05-11 18:57:39 +00:00
Chris Lattner
74763db128 wrap long line 
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 
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 
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 
llvm-svn: 21862
 2005-05-11 05:27:09 +00:00
Chris Lattner
4f05136f61 Simplify this code, use the proper shift amount 
llvm-svn: 21861
 2005-05-11 05:21:31 +00:00
Chris Lattner
3edc8ecb53 Legalize this correctly 
llvm-svn: 21859
 2005-05-11 05:09:47 +00:00
Chris Lattner
457996c4a6 implement expansion of ctpop nodes, implementing CodeGen/Generic/llvm-ct-intrinsics.ll 
llvm-svn: 21856
 2005-05-11 04:51:16 +00:00
Chris Lattner
ce84b90a3d Print bit count nodes correctly 
llvm-svn: 21855
 2005-05-11 04:50:30 +00:00
Jeff Cohen
afc58006b7 Silence some VC++ warnings 
llvm-svn: 21838
 2005-05-10 02:22:38 +00:00
Chris Lattner
5edb4c4af6 The semantics of cast X to bool are a comparison against zero, not a truncation! 
llvm-svn: 21833
 2005-05-09 22:17:13 +00:00
Chris Lattner
95c836384b legalize readio/writeio into a load/store if requested 
llvm-svn: 21827
 2005-05-09 20:36:57 +00:00
Chris Lattner
7cc8edfc30 legalize READPORT, WRITEPORT, READIO, WRITEIO, at least in the basic cases 
where they are directly supported by the architecture.  Wrap a bunch of
long lines :(

llvm-svn: 21826
 2005-05-09 20:23:03 +00:00
Chris Lattner
af6bde0db6 Add support for matching the READPORT, WRITEPORT, READIO, WRITEIO intrinsics 
llvm-svn: 21825
 2005-05-09 20:22:36 +00:00
Chris Lattner
eee649df34 Add support for READPORT, WRITEPORT, READIO, WRITEIO 
llvm-svn: 21824
 2005-05-09 20:22:17 +00:00
Chris Lattner
c3fa88e7c8 Fold shifts into subsequent SHL's. These shifts often arise due to addrses 
arithmetic lowering.

llvm-svn: 21818
 2005-05-09 17:06:45 +00:00
Chris Lattner
a1e633ef7a Don't use the load/store instruction as the source pointer, use the pointer 
being stored/loaded through!

llvm-svn: 21806
 2005-05-09 04:28:51 +00:00
Chris Lattner
bfbefe0837 memoize all nodes, even null Value* nodes. Do not add two token chain outputs 
llvm-svn: 21805
 2005-05-09 04:14:13 +00:00
Chris Lattner
b85030373d wrap long lines 
llvm-svn: 21804
 2005-05-09 04:08:33 +00:00
Chris Lattner
6ffae1a3ec Print SrcValue nodes correctly 
llvm-svn: 21803
 2005-05-09 04:08:27 +00:00
Chris Lattner
6d85b91b24 Wrap long lines. Fix "warning: conflicting types for built-in function 'memset'" 
warning from the CBE+GCC.

llvm-svn: 21779
 2005-05-08 19:46:29 +00:00
Misha Brukman
1996bf6ea5 * Order #includes alphabetically 
* Remove commented-out debug printouts

llvm-svn: 21707
 2005-05-05 23:45:17 +00:00
Chris Lattner
6e8167d1c2 When hitting an unsupported intrinsic, actually print it 
Lower debug info to noops.

llvm-svn: 21698
 2005-05-05 17:55:17 +00:00
Andrew Lenharth
09c3c4add4 ctpop lowering in legalize 
llvm-svn: 21697
 2005-05-05 15:55:21 +00:00
Andrew Lenharth
9282d00d4f Make promoteOp work for CT* 
Proof?

ubyte %bar(ubyte %x) {
entry:
        %tmp.1 = call ubyte %llvm.ctlz( ubyte %x )
        ret ubyte %tmp.1
}

==>

zapnot $16,1,$0
CTLZ $0,$0
subq $0,56,$0
zapnot $0,1,$0
ret $31,($26),1

llvm-svn: 21691
 2005-05-04 19:11:05 +00:00
Andrew Lenharth
8b64bd0fd5 Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Alkis Evlogimenos
66f1632de8 Do not use deprecated APIs 
llvm-svn: 21639
 2005-04-30 07:13:31 +00:00
Chris Lattner
fe72cdf838 Codegen and legalize sin/cos/llvm.sqrt as FSIN/FCOS/FSQRT calls. This patch 
was contributed by Morten Ofstad, with some minor tweaks and bug fixes added
by me.

llvm-svn: 21636
 2005-04-30 04:43:14 +00:00
Chris Lattner
0366e4c0d3 Lower llvm.sqrt -> fsqrt/sqrt 
llvm-svn: 21629
 2005-04-30 04:07:50 +00:00
Chris Lattner
6ec8bb9e8d Legalize FSQRT, FSIN, FCOS nodes, patch contributed by Morten Ofstad 
llvm-svn: 21606
 2005-04-28 21:44:33 +00:00
Chris Lattner
4678a790e6 Add FSQRT, FSIN, FCOS nodes, patch contributed by Morten Ofstad 
llvm-svn: 21605
 2005-04-28 21:44:03 +00:00
Andrew Lenharth
2a00530fa7 Implement Value* tracking for loads and stores in the selection DAG. This enables one to use alias analysis in the backends. 
(TRUNK)Stores and (EXT|ZEXT|SEXT)Loads have an extra SDOperand which is a SrcValueSDNode which contains the Value*.  Note that if the operation is introduced by the backend, it will still have the operand, but the value* will be null.

llvm-svn: 21599
 2005-04-27 20:10:01 +00:00