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1545 Commits

Author SHA1 Message Date
Chris Lattner
2e77db6af6 Add an isTailCall flag to LowerCallTo 
llvm-svn: 21958
 2005-05-13 18:50:42 +00:00
Chris Lattner
d0feb64443 Handle TAILCALL node 
llvm-svn: 21957
 2005-05-13 18:43:43 +00:00
Chris Lattner
d0b0ecca3f Emit function entry code after lowering hte arguments. 
llvm-svn: 21931
 2005-05-13 07:33:32 +00:00
Chris Lattner
0220b2952f Allow targets to emit code into the entry block of each function 
llvm-svn: 21930
 2005-05-13 07:23:21 +00:00
Chris Lattner
91caf1d039 allow a virtual register to be associated with live-in values. 
llvm-svn: 21927
 2005-05-13 07:08:07 +00:00
Chris Lattner
bb1d60de9c Fix a problem that nate reduced for me. 
llvm-svn: 21923
 2005-05-13 05:17:00 +00:00
Chris Lattner
5a14c8a18e rename variables and functions to match renamed DAG nodes. Bonus feature: 
I can actually remember which one is which now!

llvm-svn: 21922
 2005-05-13 05:09:11 +00:00
Chris Lattner
2a4f7312cd do not call expandop on the same value more than once. This fixes 
X86/2004-02-22-Casts.llx

llvm-svn: 21919
 2005-05-13 04:45:13 +00:00
Chris Lattner
e3677d6354 fix a bad typeo 
llvm-svn: 21917
 2005-05-12 23:51:40 +00:00
Chris Lattner
d34cd28aa7 update comment 
llvm-svn: 21916
 2005-05-12 23:24:44 +00:00
Chris Lattner
2dce703710 rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
llvm-svn: 21915
 2005-05-12 23:24:06 +00:00
Chris Lattner
111778e665 Pass calling convention to use into lower call to 
llvm-svn: 21900
 2005-05-12 19:56:57 +00:00
Chris Lattner
0bfd177e89 fix expansion of ct[lt]z nodes 
llvm-svn: 21896
 2005-05-12 19:27:51 +00:00
Chris Lattner
cf5f6b0ccb Expand 64-bit ctlz/cttz nodes for 32-bit targets 
llvm-svn: 21895
 2005-05-12 19:05:01 +00:00
Chris Lattner
26f0317f46 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
b5a78e0873 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
153587e555 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
8a5ad8468a Make sure to expand all nodes, avoiding unintentional node duplication. 
llvm-svn: 21889
 2005-05-12 06:54:21 +00:00
Chris Lattner
d2fb9ea262 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
f09c0b435b add fixme 
llvm-svn: 21887
 2005-05-12 06:04:14 +00:00
Chris Lattner
a5bf1030bf Fix a problem where early legalization can cause token chain problems. 
llvm-svn: 21885
 2005-05-12 04:49:08 +00:00
Chris Lattner
8005e91432 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
99fa5bc1fa 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
991ce36798 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
fe5759b022 Fix lowering of cttz to work with signed values 
llvm-svn: 21874
 2005-05-11 20:02:14 +00:00
Chris Lattner
9ec975a4b5 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
06bbeb646f 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
724f7eec77 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
490769c5b6 wrap long line 
llvm-svn: 21870
 2005-05-11 18:57:06 +00:00
Chris Lattner
56add05671 Make sure to legalize generated ctpop nodes, convert tabs to spaces 
llvm-svn: 21868
 2005-05-11 18:35:21 +00:00
Duraid Madina
a1ebbac9c0 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
7247324047 Add some notes for expanding clz/ctz 
llvm-svn: 21862
 2005-05-11 05:27:09 +00:00
Chris Lattner
05309bf58e Simplify this code, use the proper shift amount 
llvm-svn: 21861
 2005-05-11 05:21:31 +00:00
Chris Lattner
3740f39883 Legalize this correctly 
llvm-svn: 21859
 2005-05-11 05:09:47 +00:00
Chris Lattner
55e9cde37c 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
93f4f5f467 Print bit count nodes correctly 
llvm-svn: 21855
 2005-05-11 04:50:30 +00:00
Jeff Cohen
915594d884 Silence some VC++ warnings 
llvm-svn: 21838
 2005-05-10 02:22:38 +00:00
Chris Lattner
2d8b55c476 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
ba45e6c432 legalize readio/writeio into a load/store if requested 
llvm-svn: 21827
 2005-05-09 20:36:57 +00:00
Chris Lattner
5385db5523 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
20eaeae966 Add support for matching the READPORT, WRITEPORT, READIO, WRITEIO intrinsics 
llvm-svn: 21825
 2005-05-09 20:22:36 +00:00
Chris Lattner
67ab94510d Add support for READPORT, WRITEPORT, READIO, WRITEIO 
llvm-svn: 21824
 2005-05-09 20:22:17 +00:00
Chris Lattner
1ab1691da9 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
57d294f2ac 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
c14f354895 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
f5675a0813 wrap long lines 
llvm-svn: 21804
 2005-05-09 04:08:33 +00:00
Chris Lattner
9440d6e260 Print SrcValue nodes correctly 
llvm-svn: 21803
 2005-05-09 04:08:27 +00:00
Chris Lattner
9acd314ba3 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
584ed83d4a * Order #includes alphabetically 
* Remove commented-out debug printouts

llvm-svn: 21707
 2005-05-05 23:45:17 +00:00
Chris Lattner
7876156ba0 When hitting an unsupported intrinsic, actually print it 
Lower debug info to noops.

llvm-svn: 21698
 2005-05-05 17:55:17 +00:00