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1108 Commits

Author SHA1 Message Date
Evan Cheng
7eb095f346 Match TargetInstrInfo changes. 
llvm-svn: 32107
 2006-12-01 22:57:41 +00:00
Reid Spencer
5605ecd40d Only show the first few lines of difference. 
llvm-svn: 31901
 2006-11-25 04:07:06 +00:00
Reid Spencer
a10284b03f Add an option to enable lli (interpreter mode) testing. 
llvm-svn: 31899
 2006-11-24 20:34:16 +00:00
Reid Spencer
336bf8354e Stop early if there is no mis-optimization. 
llvm-svn: 31893
 2006-11-22 03:46:45 +00:00
Chris Lattner
670eb9da78 Fix PR1001, patch by Nikhil Patil! 
llvm-svn: 31880
 2006-11-20 18:54:33 +00:00
Reid Spencer
ce839fd108 Make the awk filter print out which files its eliminating. 
llvm-svn: 31851
 2006-11-18 18:30:18 +00:00
Reid Spencer
e52a08d399 This is a utility for preparing patches against LLVM. It runs cvs diff with 
the correct options, places the patch content in order that makes sense for
review, and filters cruft out of the patch (like diffs in *.cvs files). It
produces both a NAME.patch.raw (unfiltered) and NAME.patch (filtered) file.

llvm-svn: 31850
 2006-11-18 18:02:30 +00:00
Reid Spencer
e5c34cf38e Provide a list of gccld optimization switches. 
llvm-svn: 31849
 2006-11-18 17:14:09 +00:00
Evan Cheng
e1ca976ce4 Add opcode to TargetInstrDescriptor. 
llvm-svn: 31804
 2006-11-17 01:46:27 +00:00
Reid Spencer
a9ff1e4cec Use a release version of bugpoint, if found. Include gccld passes. 
llvm-svn: 31786
 2006-11-16 18:32:47 +00:00
Chris Lattner
4a2af4e374 Remove the isTwoAddress property from the CodeGenInstruction class. It should 
not be used for anything other than backwards compat constraint handling.

Add support for a new DisableEncoding property which contains a list of
registers that should not be encoded by the generated code emitter.  Convert
the codeemitter generator to use this, fixing some PPC JIT regressions.

llvm-svn: 31769
 2006-11-15 23:23:02 +00:00
Chris Lattner
efcd65f335 ADd support for adding constraints to suboperands 
llvm-svn: 31748
 2006-11-15 02:38:17 +00:00
Chris Lattner
1c86ab0ffe restore some 'magic' code that I removed: it is needed. Add comments explaining 
why.

llvm-svn: 31743
 2006-11-14 22:17:10 +00:00
Chris Lattner
927a143285 minimal hack to get patterns whose result type is iPTR to be selected. 
llvm-svn: 31742
 2006-11-14 21:50:27 +00:00
Chris Lattner
1cbfe99b60 remove some dead code 
llvm-svn: 31740
 2006-11-14 21:41:35 +00:00
Chris Lattner
7e5cbf9ee0 Add support for nodes that return iPTR. 
llvm-svn: 31739
 2006-11-14 21:32:01 +00:00
Chris Lattner
03cc8c84ef changes to get ptr_rc to be accepted in patterns. This is needed for ppc preinc 
stores.

llvm-svn: 31738
 2006-11-14 21:18:40 +00:00
Chris Lattner
796d72272b Fix a bug handling nodes with variable arguments. The code was fixed to assume 
that there were two input operands before the variable operand portion.  This
*happened* to be true for all call instructions, which took a chain and a
destination, but was not true for the PPC BCTRL instruction, whose destination
is implicit.

Making this code more general allows elimination of the custom selection logic
for BCTRL.

llvm-svn: 31732
 2006-11-14 18:41:38 +00:00
Reid Spencer
c7d7e1ed9c Add some output so the user is informed while they wait. 
llvm-svn: 31700
 2006-11-13 16:08:51 +00:00
Reid Spencer
6c8c157f98 Add -lstdc++ to the link line for C++ programs. 
llvm-svn: 31678
 2006-11-11 10:22:48 +00:00
Chris Lattner
6836cbaf9d allow ptr_rc to explicitly appear in an instructions operand list, it doesn't 
have to be a subpart of a complex operand.

llvm-svn: 31618
 2006-11-10 02:01:40 +00:00
Evan Cheng
8743c67826 Remove M_2_ADDR_FLAG. 
llvm-svn: 31583
 2006-11-09 02:22:54 +00:00
Reid Spencer
872f4226e4 Don't run bugpoint if we can't find a misoptimization. 
llvm-svn: 31582
 2006-11-09 01:47:04 +00:00
Reid Spencer
1d8fddc5b0 Print a usage message if too few arguments to program. 
llvm-svn: 31581
 2006-11-09 00:50:32 +00:00
Reid Spencer
dbb1ac36fa Add a utility script to find a mis-optimization problem. This sometimes 
helps when bugpoint can't find the problem directly because it needs the
set of optimizations that cause the program to fail.

llvm-svn: 31580
 2006-11-09 00:26:17 +00:00
Evan Cheng
6921c1c0a7 Divide select methods into groups by SelectionDAG node opcodes (ISD::ADD, 
X86ISD::CMP, etc.) instead of SDNode names (add, x86cmp, etc). We now allow
multiple SDNodes to map to the same SelectionDAG node (e.g. store, indexed
store).

llvm-svn: 31575
 2006-11-08 23:01:03 +00:00
Evan Cheng
42fb21c3c5 Always pass the root node to ComplexPattern isel matching function. 
llvm-svn: 31570
 2006-11-08 20:31:10 +00:00
Chris Lattner
c1d27af4b8 emit TIED_TO correctly 
llvm-svn: 31484
 2006-11-07 01:27:55 +00:00
Chris Lattner
908ea22022 Mark predicate operands as such in operand info. 
llvm-svn: 31483
 2006-11-06 23:53:31 +00:00
Chris Lattner
e1960fc065 simplify the way operand flags and constraints are handled, making it easier 
to extend.

llvm-svn: 31481
 2006-11-06 23:49:51 +00:00
Chris Lattner
04b6336b73 recognize ppc's blr instruction as predicated 
llvm-svn: 31480
 2006-11-06 21:44:54 +00:00
Chris Lattner
97e9292cf3 regenerate 
llvm-svn: 31472
 2006-11-05 23:28:58 +00:00
Jeff Cohen
e1003da1a2 Unbreak VC++ build. 
llvm-svn: 31464
 2006-11-05 19:31:28 +00:00
Evan Cheng
8e65006b5e Clean up some code. 
llvm-svn: 31451
 2006-11-04 09:40:23 +00:00
Chris Lattner
8dac4564af Parse PredicateOperand's. When an instruction takes one, have the generated 
isel fill in the instruction operands with the 'execute always' value
automatically.

llvm-svn: 31448
 2006-11-04 05:12:02 +00:00
Chris Lattner
f7ad33f01b First steps to getting PredicateOperand's to work. This handles instruction 
and pat pattern definitions.  Codegen is not right for them yet.

llvm-svn: 31444
 2006-11-04 01:35:50 +00:00
Chris Lattner
5eca521156 eliminate need for the NumMIOperands field in Operand. 
llvm-svn: 31432
 2006-11-03 23:45:17 +00:00
Reid Spencer
da581ac715 Remove an unused variable. 
llvm-svn: 31403
 2006-11-03 01:48:30 +00:00
Chris Lattner
f6b840a1ae silence warning 
llvm-svn: 31402
 2006-11-03 01:45:13 +00:00
Reid Spencer
d41f385ed9 Don't write out variables that are never used. 
llvm-svn: 31396
 2006-11-03 01:28:12 +00:00
Chris Lattner
71ce2c5de5 silence warnings 
llvm-svn: 31392
 2006-11-03 01:11:05 +00:00
Reid Spencer
01f5071a4d Revert last patch which causes tblgen to segfault (why, I'm not sure). 
llvm-svn: 31383
 2006-11-02 21:07:40 +00:00
Reid Spencer
0d18610609 For PR786: 
Remove unused variables.

llvm-svn: 31381
 2006-11-02 20:46:16 +00:00
Reid Spencer
4bafa71dc1 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Evan Cheng
05d73e7209 Tied-to constraint must be op_with_larger_idx = op_with_smaller_idx or else throw an exception. 
llvm-svn: 31361
 2006-11-01 23:03:11 +00:00
Evan Cheng
a585562f95 Not meant to be checked in. 
llvm-svn: 31334
 2006-11-01 00:27:59 +00:00
Evan Cheng
c566892bd5 Add operand constraints to TargetInstrInfo. 
llvm-svn: 31333
 2006-11-01 00:27:05 +00:00
Reid Spencer
bddf9a66ec 80 cols fix. 
llvm-svn: 31050
 2006-10-19 15:24:04 +00:00
Evan Cheng
f872538d4b Passing isel root and use operands to ComplexPattern functions, these should do the usual load folding checks as well. 
llvm-svn: 30972
 2006-10-16 06:33:44 +00:00
Evan Cheng
513dc7ed5f When checking if a load can be folded, we check if there is any non-direct 
way to reach the load via any nodes that would be folded. Start from the
root of the matched sub-tree.

llvm-svn: 30956
 2006-10-14 08:30:15 +00:00
Evan Cheng
c7283044d1 Really remove dead nodes from isel queue. 
llvm-svn: 30923
 2006-10-12 23:18:52 +00:00
Evan Cheng
5ff49d9410 Use RemoveDeadNode to kill dead node. 
llvm-svn: 30917
 2006-10-12 20:35:19 +00:00
Evan Cheng
65264c811f Prior load folding check on chain operand was too strict. It requires the 
chain operand to point to the load being folded. Now we relax this, traversing
up the chain, if it doesn't reach the load, then it's ok. We will create a
TokenFactor (of all the chain operands and the load's chain) to capture all
the control flow dependencies.

llvm-svn: 30897
 2006-10-12 02:08:53 +00:00
Evan Cheng
7a185e0164 Added properties such as SDNPHasChain to ComplexPattern. 
llvm-svn: 30890
 2006-10-11 21:02:01 +00:00
Chris Lattner
461eba5c63 regenerate 
llvm-svn: 30888
 2006-10-11 18:13:09 +00:00
Chris Lattner
0c0f2eacfc Add support for let expressions around an mdef. This implements a new part 
of Regression/TableGen/MultiClass.td.

llvm-svn: 30887
 2006-10-11 18:12:44 +00:00
Chris Lattner
822d1b259e Special case tblgen generated code for patterns like (and X, 255) or (or X, 42). 
The dag/inst combiners often 'simplify' the masked value based on whether
or not the bits are live or known zero/one.  This is good and dandy, but
often causes special case patterns to fail, such as alpha's CMPBGE pattern,
which looks like "(set GPRC:$RC, (setuge (and GPRC:$RA, 255), (and GPRC:$RB, 255)))".
Here the pattern for (and X, 255) should match actual dags like (and X, 254) if
the dag combiner proved that the missing bits are already zero (one for 'or').

For CodeGen/Alpha/cmpbge.ll:test2 for example, this results in:

        sll $16,1,$0
        cmpbge $0,$17,$0
        ret $31,($26),1

instead of:

        sll $16,1,$0
        and $0,254,$0
        and $17,255,$1
        cmpule $1,$0,$0
        ret $31,($26),1

... and requires no target-specific code.

llvm-svn: 30871
 2006-10-11 04:05:55 +00:00
Chris Lattner
ad597308ad Split some code out into a new method. The generated code is exactly 
identical, this is just a refactoring.

llvm-svn: 30868
 2006-10-11 03:35:34 +00:00
Evan Cheng
084d415941 Predicate function on the node should be matched before its childrean' matching 
code. This is especially important now matching ISD::LOAD also requires a
Predicate_Load call.

llvm-svn: 30845
 2006-10-09 21:02:17 +00:00
Chris Lattner
b007ac9ecf regenerate 
llvm-svn: 30799
 2006-10-07 07:15:19 +00:00
Chris Lattner
b5b2e0340e Bugfix: this allows multiclasses to have default arguments. 
llvm-svn: 30798
 2006-10-07 07:14:48 +00:00
Chris Lattner
d55928d5f6 Fix more static dtor issues 
llvm-svn: 30725
 2006-10-04 21:52:35 +00:00
Jim Laskey
dca41cb87b Wrong directory. 
llvm-svn: 30669
 2006-09-29 17:31:45 +00:00
Jim Laskey
654a319cca Fix search file for -release. 
llvm-svn: 30647
 2006-09-28 18:45:11 +00:00
Jim Laskey
b9f4391b46 Add support for -release-asserts. 
llvm-svn: 30646
 2006-09-28 17:49:20 +00:00
Chris Lattner
4aa2739696 This: 
AggregateString += "\0\0";

Doesn't add two nuls to the AggregateString (for obvious reasons), which
broke the asmprinter when the first character of an asm string was not
literal text.

llvm-svn: 30625
 2006-09-27 16:44:09 +00:00
Chris Lattner
7c98cc2aab Actually, name the method PrintSpecial to match other stuff in AsmPrinter.h 
llvm-svn: 30618
 2006-09-26 23:47:10 +00:00
Chris Lattner
10e06fa138 Add support for ${:foo} syntax, where "foo" is passed into "printSpecial" and 
has no associated operand.  This is useful for portably encoding stuff like
the comment character into an asm string.

llvm-svn: 30617
 2006-09-26 23:45:08 +00:00
Chris Lattner
86f1992481 don't allow 'imm' or specific imms, like '1' on the LHS of a binop. 
This shrinks X86GenDAGISel by ~330 lines.

llvm-svn: 30574
 2006-09-21 20:46:13 +00:00
Chris Lattner
28d7124afb Fit to 80 columns. 
llvm-svn: 30572
 2006-09-21 18:28:27 +00:00
Jim Laskey
a46690e7de Trim the home directory from the dejagnu test 
llvm-svn: 30519
 2006-09-20 09:20:22 +00:00
Evan Cheng
c5be7540d2 Allow PatFrag to be a leaf node. 
llvm-svn: 30498
 2006-09-19 19:08:04 +00:00
Evan Cheng
f020ff9440 Add result of a Xform to isel queue. 
llvm-svn: 30497
 2006-09-19 18:40:15 +00:00
Chris Lattner
87d05ea43b If multiple predicates are listed, they must all pass 
llvm-svn: 30476
 2006-09-19 00:41:36 +00:00
Chris Lattner
7498e29ca4 There! 
llvm-svn: 30473
 2006-09-18 22:41:07 +00:00
Chris Lattner
b54881691d Fix Regression/TableGen/2006-09-18-LargeInt.td 
llvm-svn: 30472
 2006-09-18 22:28:27 +00:00
Jim Laskey
86b2204935 Switching to NewNightlyTest.php 
llvm-svn: 30394
 2006-09-15 17:03:36 +00:00
Chris Lattner
8b65094e0f Relax this check. 
llvm-svn: 30381
 2006-09-14 23:54:24 +00:00
Jim Laskey
eda9265efc No longer used, and confuses maintainers 
llvm-svn: 30248
 2006-09-11 16:02:58 +00:00
Evan Cheng
f82eb13e3b 1) With X86 lowering change, the following can no longer happen since 
the branch's chain is also produced by cmp.
          [ch, r : ld]
             ^ ^
             | |
      [XX]--/   \- [flag : cmp]
       ^             ^
       |             |
       \---[br flag]-

Remove an isel check which prevents loads from being folded into cmp / test
instructions.

2) Whenever possible, delete a selected node to allow more load folding
opportunities. Note not all nodes can be deleted after it has been
selected. Some may have simply morphed; some have not changed at all (e.g.
EntryToken).

llvm-svn: 30242
 2006-09-11 02:24:43 +00:00
Evan Cheng
9d17d65cc4 Generated isel should favors explicit constant operand (+2) over an operand with a predicate (+1). 
llvm-svn: 30180
 2006-09-08 07:26:39 +00:00
Chris Lattner
382ed3f1d9 Fix JIT encoding of two-addr instructions. 
llvm-svn: 30111
 2006-09-05 03:01:52 +00:00
Chris Lattner
59a4d8dfcd Fix a long-standing wart in the code generator: two-address instruction lowering 
actually *removes* one of the operands, instead of just assigning both operands
the same register.  This make reasoning about instructions unnecessarily complex,
because you need to know if you are before or after register allocation to match
up operand #'s with the target description file.

Changing this also gets rid of a bunch of hacky code in various places.

This patch also includes changes to fold loads into cmp/test instructions in
the X86 backend, along with a significant simplification to the X86 spill
folding code.

llvm-svn: 30108
 2006-09-05 02:12:02 +00:00
Chris Lattner
997e7e3d45 Make sure to clear CurDefmPrefix = 0, otherwise stuff after a defm won't 
parse right.  This fixes TableGen/MultiClass.td

llvm-svn: 30037
 2006-09-01 22:07:27 +00:00
Chris Lattner
4c597bb380 fix an assertion with multidefs. Def inside of multiclasses don't need to 
be complete.

llvm-svn: 30034
 2006-09-01 21:59:03 +00:00
Chris Lattner
67e2187a04 regenerate 
llvm-svn: 30029
 2006-09-01 21:14:42 +00:00
Chris Lattner
948354e18e 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.

llvm-svn: 30027
 2006-09-01 21:13:49 +00:00
Evan Cheng
77da6a9609 Issue cvs co with -P option to prune empty directories. Remove the unnecessary 
update stage.

llvm-svn: 29955
 2006-08-29 18:01:18 +00:00
Reid Spencer
3e62da9ed1 Add virtual methods to all subclasses so they are not overloaded. 
llvm-svn: 29930
 2006-08-28 00:12:25 +00:00
Chris Lattner
7890c00e2c Use compiler.h instead of hand rolling our own macro 
llvm-svn: 29913
 2006-08-27 13:16:24 +00:00
Evan Cheng
10a7268b85 Do not emit getTargetNode() and SelectNodeTo() which takes more than 3 
SDOperand arguments. Use the variants which take an array and number instead.

llvm-svn: 29906
 2006-08-27 08:11:28 +00:00
Evan Cheng
1c3d571e4b SelectNodeTo now returns a SDNode*. 
llvm-svn: 29901
 2006-08-26 08:00:10 +00:00
Evan Cheng
36c38110c4 Minor getCopyToReg() call change. 
llvm-svn: 29900
 2006-08-26 07:39:28 +00:00
Evan Cheng
2db7799507 Select() no longer require Result operand by reference. 
llvm-svn: 29898
 2006-08-26 05:34:46 +00:00
Evan Cheng
930bc5331d Remove dead code. 
llvm-svn: 29897
 2006-08-26 01:34:15 +00:00
Evan Cheng
2cc7e2ce0c A bit more clean up. 
llvm-svn: 29893
 2006-08-26 01:02:19 +00:00
Evan Cheng
b96b719724 - 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.

llvm-svn: 29892
 2006-08-26 00:59:04 +00:00
Patrick Jenkins
6c18e5e7b7 Corrected an error that was introduced yesterday that caused the GCC 
version to be left blank if the build failed.

Also corrected a problem where if the build failed the nightly tester
would still try to read the results of the Dejagnutests log even
though it didnt exist.

llvm-svn: 29829
 2006-08-22 18:11:19 +00:00
Patrick Jenkins
d3d74dec7b The new nightly tester should stop outputing a message stating the 
testresults directory is not present unless the script is run as verbose.

llvm-svn: 29797
 2006-08-21 20:45:57 +00:00
Patrick Jenkins
253fe71c46 These changes reflect the changes in the database for how tests are stored 
and bring the handing of dejagnu tests into compliance with this new scheme.

llvm-svn: 29772
 2006-08-18 18:00:21 +00:00