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cce56af911
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714 Commits

Author SHA1 Message Date
Chris Lattner
cce56af911 Make sure to clear CurDefmPrefix = 0, otherwise stuff after a defm won't 
parse right.  This fixes TableGen/MultiClass.td


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30037 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 22:07:27 +00:00
Chris Lattner
7717d0930a fix an assertion with multidefs. Def inside of multiclasses don't need to 
be complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:59:03 +00:00
Chris Lattner
2762738d96 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30029 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:14:42 +00:00
Chris Lattner
12069866c8 Add often-requested support for defining "multiclasses" which can be instantiated. 
This allows you to define multiple definitions with one line, encouraging
more .td file factoring.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 21:13:49 +00:00
Reid Spencer
f100dcc42e Add virtual methods to all subclasses so they are not overloaded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29930 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-28 00:12:25 +00:00
Chris Lattner
8dc728e440 Use compiler.h instead of hand rolling our own macro 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29913 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 13:16:24 +00:00
Evan Cheng
f037ca6245 Do not emit getTargetNode() and SelectNodeTo() which takes more than 3 
SDOperand arguments. Use the variants which take an array and number instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29906 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 08:11:28 +00:00
Evan Cheng
95514bae73 SelectNodeTo now returns a SDNode*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29901 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 08:00:10 +00:00
Evan Cheng
7a33db0b20 Minor getCopyToReg() call change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29900 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 07:39:28 +00:00
Evan Cheng
9ade218533 Select() no longer require Result operand by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29898 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 05:34:46 +00:00
Evan Cheng
2a318cfad5 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29897 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 01:34:15 +00:00
Evan Cheng
f549319b4a A bit more clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29893 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 01:02:19 +00:00
Evan Cheng
676d731c61 - Clean up tablegen dag isel generator code. 
- Clean up the code generated by tablegen:
  * AddToISelQueue now takes one argument.
  * ComplexPattern matching condition can now be shared.
  * Eliminate passing unnecessary arguments to emit routines.
  * Eliminate some unneeded SDOperand declarations in select routines.
  * Other minor clean ups.
- This reduces foot print slightly: X86ISelDAGToDAG.o is reduced from 971k
  to 823k.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29892 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 00:59:04 +00:00
Evan Cheng
23329f5e03 SelectNodeTo() may return a SDOperand that is different from the input. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29726 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-16 07:30:09 +00:00
Chris Lattner
dfb8607397 The generated runloop shouldn't require Select to update 'Result'. In fact 
we'd like to remove result entirely.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29713 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-15 23:42:26 +00:00
Chris Lattner
5298de51b8 allow Select to return the node being selected if RAU isn't needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29712 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-15 23:27:50 +00:00
Evan Cheng
1e060f0242 Use SmallVector instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29619 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 18:33:41 +00:00
Evan Cheng
06d6470c65 - Prevent some functions from being inlined to eliminate the code size bloat 
introduced by previous commit.
- SelectCode now returns a SDNode*. If it is not null, the selected node
  produces the same number of results as the input node. The seletion loop
  is responsible for calling ReplaceAllUsesWith() to replace the input node
  with the output target node. For other cases, e.g. when load is folded,
  the selection code is responsible for calling ReplaceAllUsesOfValueWith()
  and SelectCode returns NULL.
- Other clean ups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29602 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 08:59:35 +00:00
Chris Lattner
706d2d3608 Revert previous patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29585 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-09 16:44:44 +00:00
Tanya Lattner
8d4ccf0ad4 Reverting back to original 1.8 version so I can manually merge in patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29584 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-09 16:41:21 +00:00
Chris Lattner
bd564bfc63 Start eliminating temporary vectors used to create DAG nodes. Instead, pass 
in the start of an array and a count of operands where applicable.  In many
cases, the number of operands is known, so this static array can be allocated
on the stack, avoiding the heap.  In many other cases, a SmallVector can be
used, which has the same benefit in the common cases.

I updated a lot of code calling getNode that takes a vector, but ran out of
time.  The rest of the code should be updated, and these methods should be
removed.

We should also do the same thing to eliminate the methods that take a
vector of MVT::ValueTypes.

It would be extra nice to convert the dagiselemitter to avoid creating vectors
for operands when calling getTargetNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 02:23:42 +00:00
Evan Cheng
9bdca0302a Making TableGen'd instruction selection code non-recursive. This fixes PR805. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29548 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-07 22:17:58 +00:00
Chris Lattner
58d63567ea Remove some extraneous newlines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29492 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-03 00:42:26 +00:00
Chris Lattner
32501a0e33 Really add support for compilers without noinline 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29491 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-03 00:26:13 +00:00
Evan Cheng
d3f8429f01 Pass N by reference to select functions to prevent gcc from allocating more stack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29423 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 01:07:48 +00:00
Evan Cheng
6966c48767 Remove an unneeded match condition: the type check for root node has been 
moved to outside the actual select routine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29415 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-31 19:01:58 +00:00
Evan Cheng
b6ee7f73e5 Split each select function for a particular opcode into multiple ones. One 
per possible ValueType of the node. e.g. Select_add is split into Select_add_i8,
Select_add_i16, etc.

For opcodes which do not produce a non-chain result, it is split on the
ValueType of its first non-chain operand. e.g. Select_store.

On X86 / Mac OS X, Select_store used to be the largest function. It had a stack
frame size of 8.5k. Now the largest one is Store_i32 with a frame size of 3.1k.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29404 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-28 22:51:01 +00:00
Evan Cheng
dc7a66a081 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29378 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-28 01:19:22 +00:00
Evan Cheng
f2dfafcbc1 Rename IsFoldableBy to CanBeFoldedleBy 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29376 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-28 01:03:48 +00:00
Evan Cheng
2641cad180 Remove InFlightSet hack. No longer needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29373 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-28 00:47:19 +00:00
Evan Cheng
3aac4d58e4 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29359 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 19:59:34 +00:00
Evan Cheng
b2c121ac14 Let each target specific isel provide routine to check if a chain producing node is foldable by another. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29335 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 06:36:49 +00:00
Evan Cheng
233baf1c4b Fix for bug 840. Only use noinline attribute if gcc version >= 3.4 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29311 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-26 23:06:27 +00:00
Evan Cheng
e6389935a9 Removed a hack intended to allow (store (op (load))) folding. Will handle this with preprocessing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29258 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-21 22:19:51 +00:00
Jim Laskey
cd4317efcf Eliminate data relocations by using NULL instead of global empty list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29250 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-21 21:15:20 +00:00
Jim Laskey
60f09928a0 Use an enumeration to eliminate data relocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29249 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-21 20:57:35 +00:00
Evan Cheng
eb1f40d3af Also checks for noResults field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29235 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-20 23:36:20 +00:00
Evan Cheng
3b0c0148ed Make sub- and super- register classes const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29200 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-19 05:58:18 +00:00
Chris Lattner
a6dc9fb745 Fix a bug handling instructions, like blr, which just consist of a text 
string.  The return value of printInstruction should be true for these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29196 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-19 01:39:06 +00:00
Evan Cheng
e6f32034db Add code size to target instruction use it as the 3rd isel sorting tie-breaker. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29193 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-19 00:24:41 +00:00
Evan Cheng
6f6602ce42 Make sub- super- reg-class tables static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29190 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 22:18:31 +00:00
Chris Lattner
195bb4a7b0 Fix case where identical cases were not detected across case #0, because 
instructions not handled would have a case value of #0, throwing things off.
This marginally shrinks the X86 asmprinter, but shrinks the sparc asmwriter
by 25 lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29187 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 19:27:30 +00:00
Chris Lattner
0a01212857 Fix an accidentally duplicated line that caused tblgen to crash on itanium. 
Add an assert that catches the real problem earlier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29185 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 19:06:01 +00:00
Chris Lattner
96c1ade5c3 Maximally group commands. When all instructions within a command set have a 
series of identical commands, handle them all with one switch.  In the case
of the x86 at&t asm printer, only 3 switches are needed for all instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29184 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 18:28:27 +00:00
Chris Lattner
b84628679a Change generator to remove operands as it processes them. No change in 
generated file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29183 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:56:07 +00:00
Chris Lattner
191dd1f186 Handle the last operand more intelligently. When emitting the \n, also 
return from the asmprinter to make the generated asmprinter both more
efficient and smaller.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29182 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:50:22 +00:00
Chris Lattner
e7a589df09 Emit switches with 1/2 cases as unconditional code or an if/then/else for 
tidyness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29181 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:43:54 +00:00
Chris Lattner
b51ecd4dd9 Steal bits from the asm string index to use for operand information. On both 
x86 and ppc, this gets us 4 more bits to play with, since the string indices
both only use 12 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29180 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:38:46 +00:00
Chris Lattner
5561640043 Merge operand info and asmstr idx into a single 32-bit field. No other change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29179 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:32:27 +00:00
Chris Lattner
bdff5f95b9 Completely change the structure of the generated asmprinter to be more table 
based and less switch-statements-with-hundreds-of-cases based.  This shrinks
the x86 asmprinters to about 1/3 their previous size.

Other improvements coming.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29177 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-18 17:18:03 +00:00