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44d105b7fa
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10171 Commits

Author SHA1 Message Date
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
4b3141d324 Fix a really horrible problem that causes the JIT to miscompile any program 
that use 64-bit integers on 32-bit hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21886 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 06:01:28 +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
9bce0f92c3 These targets don't like setcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21884 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-12 02:06:00 +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
Tanya Lattner
d977095838 Fixed issue that broke ssa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21878 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:45:03 +00:00
Chris Lattner
4548a0ed32 fix some GCC 4 warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21877 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:40:40 +00:00
John Criswell
3163e2d9f3 Added support for decomposing constant expressions containing shr and shl 
instructions.
Review of this commit would be greatly appreciated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21876 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 21:16:42 +00:00
Chris Lattner
98cf45bbf6 Fix lowering of ctlz, so now UnitTests/2005-05-11-Popcount-ffs-fls passes 
with the CBE


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21875 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 20:24:12 +00:00
Chris Lattner
a801172e50 Fix lowering of cttz to work with signed values 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21874 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 20:02:14 +00:00
Chris Lattner
86f3e0c24e fix and concisify intinsic lowering for ctpop. Unfortunately, this code 
looks completely untested. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21873 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 19:42:05 +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
Duraid Madina
63bbed536c add the popcount instruction and support this in the isel 
the primary user of this will probably end up being find-first-set-bit/find-
last-set-bit, which i'll get around to...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21860 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:16:09 +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
1f38e5c431 No really IA*64* :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21858 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:03:56 +00:00
Chris Lattner
c610d4267f X86 has more than just 32-bit registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21857 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-11 05:00:34 +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
Chris Lattner
6d5857e139 Do not use "" as a sentinal for a missing argument! This fixes PR560. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21850 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 23:20:17 +00:00
Misha Brukman
b5cd8459df Why output multiple strings, let the compiler concatenate them for us for free 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21845 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 22:03:50 +00:00
Misha Brukman
5a2a3826ef * Convert tabs to spaces, fix code alignment 
* Remove trailing whitespace
* Wrap long lines


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21844 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 22:02:28 +00:00
Chris Lattner
6415bb4c29 Convert feature of the simple isel over for the pattern isel to use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21840 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 03:53:18 +00:00
Chris Lattner
641f02f10f Fix Reassociate/shifttest.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21839 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-10 03:39:25 +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
7f78f218fd If a function contains no allocas, all of the calls in it are trivially 
suitable for tail calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21836 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 23:51:13 +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
966cdfb600 Implement READPORT/WRITEPORT, implementing the last X86 regression tests 
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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21831 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 21:17:38 +00:00
Chris Lattner
cecd67b432 do not emit illegal instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21830 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 21:06:04 +00:00
Chris Lattner
82c7897f49 Fix the syntax of the i/o instructions, these are obviously unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21829 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:49:20 +00:00
Chris Lattner
4e6ce5f9c7 legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx with 
the pattern isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21828 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 20:37:29 +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
a0dbf181e0 restore some non-dead code I removed last night breaking double casts to 
uint


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21821 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 18:37:02 +00:00
Chris Lattner
cafb67b250 fold and (shl X, C1), C2 -> rlwinm when possible. Many other cases are possible, 
include and (srl)    and the inverses (shl and) etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21820 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 17:39:48 +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
Duraid Madina
8a3042c872 fix and cleanup constmul code a bit, this fixes mediabench/toast and 
probably a couple of other tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21814 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 13:18:34 +00:00
Chris Lattner
a80d2bd89c Wrap long lines, remove dead code that is now handled by legalize 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21811 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 05:40:26 +00:00
Chris Lattner
2afa1910d4 Fix FP -> bool casts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21810 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 05:33:18 +00:00
Chris Lattner
6e4c6495eb implement and.ll:test33 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21809 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-05-09 04:58:36 +00:00