Chris Lattner
d1d8fbee2d
Implement fixme's by memoizing nodes.
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llvm-svn: 22018
2005-05-14 07:42:29 +00:00
Chris Lattner
ac7d55f114
Turn this into a wrapper for a simpler version of getNode.
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llvm-svn: 22016
2005-05-14 07:32:14 +00:00
Chris Lattner
a035798c4b
Eliminate special purpose hacks for dynamic_stack_alloc.
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llvm-svn: 22015
2005-05-14 07:29:57 +00:00
Chris Lattner
b94e243d14
Use the general mechanism for creating multi-value nodes instead of using
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special case hacks.
llvm-svn: 22014
2005-05-14 07:25:05 +00:00
Chris Lattner
c0c6680744
use a target-specific node and custom expander to lower long->FP to FILD64m.
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This should fix some missing symbols problems on BSD and improve performance
of programs that use that operation.
llvm-svn: 22012
2005-05-14 06:52:07 +00:00
Chris Lattner
ad411081fb
Wrap long line, actually add node to the graph.
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llvm-svn: 22011
2005-05-14 06:42:57 +00:00
Chris Lattner
6f7b63c7d7
legalize target-specific operations
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llvm-svn: 22010
2005-05-14 06:34:48 +00:00
Chris Lattner
1afb5ae575
add a getNode() version that allows construction of any node type.
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llvm-svn: 22009
2005-05-14 06:20:26 +00:00
Chris Lattner
6e81a4090f
LowerOperation takes a dag
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llvm-svn: 22004
2005-05-14 05:50:48 +00:00
Chris Lattner
369427683d
Print the symbolic register name in a register allocator debug dump.
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llvm-svn: 22002
2005-05-14 05:34:15 +00:00
Chris Lattner
1202c26d6e
Allow targets to have a custom int64->fp expander if desired
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llvm-svn: 22001
2005-05-14 05:33:54 +00:00
Chris Lattner
2210f7d6e9
Make sure the start of the arg area and the end (after the RA is pushed)
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is always 8-byte aligned for fastcc
llvm-svn: 21995
2005-05-13 23:49:10 +00:00
Chris Lattner
4a2129161d
fix the assertion
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llvm-svn: 21994
2005-05-13 23:35:47 +00:00
Chris Lattner
2163eeaa67
Align doubles on 8-byte boundaries if possible.
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llvm-svn: 21993
2005-05-13 23:14:17 +00:00
Chris Lattner
d9dd5bb798
print stack object alignment in -print-machineinstr dumps
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llvm-svn: 21992
2005-05-13 22:54:44 +00:00
Chris Lattner
1634435c77
fix typo
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llvm-svn: 21991
2005-05-13 22:46:57 +00:00
Chris Lattner
0d4b08e470
Fix the problems with callee popped argument lists
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llvm-svn: 21988
2005-05-13 22:13:49 +00:00
Chris Lattner
e667c34ef1
Don't emit SAR X, 0 in the case of sdiv Y, 2
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llvm-svn: 21986
2005-05-13 21:50:27 +00:00
Chris Lattner
fc630bb4f0
Fix UnitTests/2005-05-13-SDivTwo.c
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llvm-svn: 21985
2005-05-13 21:48:20 +00:00
Chris Lattner
62593e4e66
switch to having the callee pop stack operands for fastcc. This is currently buggy
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do not use
llvm-svn: 21984
2005-05-13 21:44:04 +00:00
Chris Lattner
a3e57bd844
Tolerate instrs with extra args
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llvm-svn: 21982
2005-05-13 21:07:15 +00:00
Chris Lattner
e9944b033d
allow RETI
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llvm-svn: 21980
2005-05-13 20:46:35 +00:00
Chris Lattner
93007dda7d
treat TAILCALL nodes identically to CALL nodes
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llvm-svn: 21977
2005-05-13 20:29:26 +00:00
Chris Lattner
2c9d871f9b
Build TAILCALL nodes in LowerCallTo, treat them like normal calls everywhere.
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llvm-svn: 21976
2005-05-13 20:29:13 +00:00
Chris Lattner
f79a885a30
Capitalize
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llvm-svn: 21964
2005-05-13 19:49:09 +00:00
Chris Lattner
f637d56882
capitalize
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llvm-svn: 21962
2005-05-13 19:48:34 +00:00
Chris Lattner
df23ee9e48
clarify that these are v9 options
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llvm-svn: 21960
2005-05-13 19:45:45 +00:00
Chris Lattner
653c791170
hide this option
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llvm-svn: 21959
2005-05-13 19:44:21 +00:00
Chris Lattner
9d788e93a6
Add an isTailCall flag to LowerCallTo
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llvm-svn: 21958
2005-05-13 18:50:42 +00:00
Chris Lattner
3a76f85d43
Handle TAILCALL node
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llvm-svn: 21957
2005-05-13 18:43:43 +00:00
Chris Lattner
83d7e55471
add 'ret imm' instruction
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llvm-svn: 21945
2005-05-13 17:56:48 +00:00
Chris Lattner
f8795289ff
Realize that we don't support fmod directly, fixing CodeGen/Generic/print-arith-fp.ll
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llvm-svn: 21939
2005-05-13 16:20:22 +00:00
Chris Lattner
7c3b219c28
Do not CopyFromReg physregs for live-in values. Instead, create a vreg for
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each live in, and copy the regs from the vregs. As the very first thing we
do in the function, insert copies from the pregs to the vregs. This fixes
problems where the token chain of CopyFromReg was not enough to allow reordering
of the copyfromreg nodes and other unchained nodes (e.g. div, which clobbers
eax on intel).
llvm-svn: 21932
2005-05-13 07:38:09 +00:00
Chris Lattner
01eba53a10
Emit function entry code after lowering hte arguments.
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llvm-svn: 21931
2005-05-13 07:33:32 +00:00
Chris Lattner
fdc4816996
Allow targets to emit code into the entry block of each function
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llvm-svn: 21930
2005-05-13 07:23:21 +00:00
Chris Lattner
b06ee3dd65
calling a function with the wrong CC is undefined, turn it into an unreachable
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instruction. This is useful for catching optimizers that don't preserve
calling conventions
llvm-svn: 21928
2005-05-13 07:09:09 +00:00
Chris Lattner
5cd760d12d
allow a virtual register to be associated with live-in values.
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llvm-svn: 21927
2005-05-13 07:08:07 +00:00
Reid Spencer
77e3c97c8e
Make sure that decompression checks for the case that bzip2 returns
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BZ_OK (meaning more data is expected) but there is no more input data. In
this case, the input file is probably truncated. Generate an exception that
indicates this case when its detected.
llvm-svn: 21926
2005-05-13 07:05:37 +00:00
Chris Lattner
b9d99c9b2b
When lowering invokes to calls, amke sure to preserve the calling conv. This
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fixes Ptrdist/anagram with x86 llcbeta
llvm-svn: 21925
2005-05-13 06:27:02 +00:00
Chris Lattner
dfe45a21b1
Prefer int 0 instead of long 0 for GEP arguments.
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llvm-svn: 21924
2005-05-13 06:10:12 +00:00
Chris Lattner
670c7f516c
Fix a problem that nate reduced for me.
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llvm-svn: 21923
2005-05-13 05:17:00 +00:00
Chris Lattner
59bb0edb45
rename variables and functions to match renamed DAG nodes. Bonus feature:
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I can actually remember which one is which now!
llvm-svn: 21922
2005-05-13 05:09:11 +00:00
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
Chris Lattner
7ba0699b05
Fix the syntax of the i/o instructions, these are obviously unused.
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llvm-svn: 21829
2005-05-09 20:49:20 +00:00
Chris Lattner
46b51ab388
legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx with
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the pattern isel.
llvm-svn: 21828
2005-05-09 20:37:29 +00:00
Chris Lattner
95c836384b
legalize readio/writeio into a load/store if requested
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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
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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
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llvm-svn: 21825
2005-05-09 20:22:36 +00:00
Chris Lattner
eee649df34
Add support for READPORT, WRITEPORT, READIO, WRITEIO
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llvm-svn: 21824
2005-05-09 20:22:17 +00:00
Chris Lattner
b28f865865
restore some non-dead code I removed last night breaking double casts to
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uint
llvm-svn: 21821
2005-05-09 18:37:02 +00:00
Chris Lattner
333ae3d837
fold and (shl X, C1), C2 -> rlwinm when possible. Many other cases are possible,
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include and (srl) and the inverses (shl and) etc.
llvm-svn: 21820
2005-05-09 17:39:48 +00:00