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385328ce41
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289 Commits

Author SHA1 Message Date
Chris Lattner
385328ce41 Implement fixme's by memoizing nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22018 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 07:42:29 +00:00
Chris Lattner
b7f7d51422 Turn this into a wrapper for a simpler version of getNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22016 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 07:32:14 +00:00
Chris Lattner
adf6c2a0cb Eliminate special purpose hacks for dynamic_stack_alloc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22015 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 07:29:57 +00:00
Chris Lattner
e89083a930 Use the general mechanism for creating multi-value nodes instead of using 
special case hacks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22014 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 07:25:05 +00:00
Chris Lattner
5fa4fa4e0f Wrap long line, actually add node to the graph. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22011 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 06:42:57 +00:00
Chris Lattner
d73cc5d058 legalize target-specific operations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22010 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 06:34:48 +00:00
Chris Lattner
89c34637cb add a getNode() version that allows construction of any node type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22009 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 06:20:26 +00:00
Chris Lattner
50381b6c41 LowerOperation takes a dag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22004 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 05:50:48 +00:00
Chris Lattner
a88a260dbd Allow targets to have a custom int64->fp expander if desired 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22001 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-14 05:33:54 +00:00
Chris Lattner
a8217e3000 Align doubles on 8-byte boundaries if possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21993 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 23:14:17 +00:00
Chris Lattner
adf6a965a3 Add an isTailCall flag to LowerCallTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21958 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 18:50:42 +00:00
Chris Lattner
d71c04199c Handle TAILCALL node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21957 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 18:43:43 +00:00
Chris Lattner
405ef9e28d Emit function entry code after lowering hte arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21931 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:33:32 +00:00
Chris Lattner
3aa7832c82 Allow targets to emit code into the entry block of each function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21930 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 07:23:21 +00:00
Chris Lattner
eb516e7f0a Fix a problem that nate reduced for me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21923 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 05:17:00 +00:00
Chris Lattner
9530ddcc60 rename variables and functions to match renamed DAG nodes. Bonus feature: 
I can actually remember which one is which now!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21922 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 05:09:11 +00:00
Chris Lattner
66de05b606 do not call expandop on the same value more than once. This fixes 
X86/2004-02-22-Casts.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21919 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-13 04:45:13 +00:00
Chris Lattner
a364fa126a fix a bad typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21917 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:51:40 +00:00
Chris Lattner
128b52d3d7 update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21916 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:24:44 +00:00
Chris Lattner
16cd04d26c rename the ADJCALLSTACKDOWN/ADJCALLSTACKUP nodes to be CALLSEQ_START/BEGIN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21915 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 23:24:06 +00:00
Chris Lattner
9092fa310c Pass calling convention to use into lower call to 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21900 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:56:57 +00:00
Chris Lattner
3becf2026b fix expansion of ct[lt]z nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21896 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:27:51 +00:00
Chris Lattner
39a8f33630 Expand 64-bit ctlz/cttz nodes for 32-bit targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21895 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 19:05:01 +00:00
Chris Lattner
383203b003 Fix uint->fp casts on PPC, allowing UnitTests/2005-05-12-Int64ToFP to 
work on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21894 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 18:52:34 +00:00
Chris Lattner
45982dad53 Allow something to be legalized multiple times. This can be used to reduce 
legalization iteration


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21892 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 16:53:42 +00:00
Chris Lattner
13689e2009 Oops, don't do this after we figure out where to insert the call chains. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21890 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 07:00:44 +00:00
Chris Lattner
44d105b7fa Make sure to expand all nodes, avoiding unintentional node duplication. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:54:21 +00:00
Chris Lattner
6980d8295f handle a common case generated by the uint64 -> FP code path better 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21888 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:27:02 +00:00
Chris Lattner
e131e5b81e add fixme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21887 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:04:14 +00:00
Chris Lattner
b9fa3bc8f3 Fix a problem where early legalization can cause token chain problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21885 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 04:49:08 +00:00
Chris Lattner
88de6e77bf Make legalize a bit more efficient, and canonicalize sub X, C -> add X, -C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21882 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 00:17:04 +00:00
Nate Begeman
d7c4a4a6c0 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21880 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 23:43:56 +00:00
Chris Lattner
0d67f0c80f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21872 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 19:02:11 +00:00
Chris Lattner
27e9b41464 Do not memoize ADJCALLSTACKDOWN nodes, provide a method to hack on them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21871 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:57:39 +00:00
Chris Lattner
16ce0df927 wrap long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21870 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:57:06 +00:00
Chris Lattner
5c33c9a166 Make sure to legalize generated ctpop nodes, convert tabs to spaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21868 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 18:35:21 +00:00
Duraid Madina
57ff7e5f64 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21866 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 08:45:08 +00:00
Chris Lattner
18aa680a96 Add some notes for expanding clz/ctz 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21862 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:27:09 +00:00
Chris Lattner
e3ef0a8b9f Simplify this code, use the proper shift amount 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21861 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:21:31 +00:00
Chris Lattner
9b583b4910 Legalize this correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21859 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:09:47 +00:00
Chris Lattner
edb1add9a0 implement expansion of ctpop nodes, implementing CodeGen/Generic/llvm-ct-intrinsics.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21856 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 04:51:16 +00:00
Chris Lattner
276260b16d Print bit count nodes correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21855 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 04:50:30 +00:00
Jeff Cohen
19bb2283e6 Silence some VC++ warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21838 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 02:22:38 +00:00
Chris Lattner
ef311aa7cf The semantics of cast X to bool are a comparison against zero, not a truncation! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21833 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 22:17:13 +00:00
Chris Lattner
6d5b8e1646 legalize readio/writeio into a load/store if requested 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21827 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:36:57 +00:00
Chris Lattner
52d08bd9d8 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 :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21826 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:23:03 +00:00
Chris Lattner
d0f6c1f52d Add support for matching the READPORT, WRITEPORT, READIO, WRITEIO intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21825 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:22:36 +00:00
Chris Lattner
3c6910153c Add support for READPORT, WRITEPORT, READIO, WRITEIO 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21824 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:22:17 +00:00
Chris Lattner
57aa5961a9 Fold shifts into subsequent SHL's. These shifts often arise due to addrses 
arithmetic lowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21818 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 17:06:45 +00:00
Chris Lattner
fd414a27fd Don't use the load/store instruction as the source pointer, use the pointer 
being stored/loaded through!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21806 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 04:28:51 +00:00