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Author SHA1 Message Date
Chris Lattner
5095e3d1d1 Fix some nasty callgraph dangling pointer problems in 
argpromotion and structretpromote.  Basically, when replacing
a function, they used the 'changeFunction' api which changes
the entry in the function map (and steals/reuses the callgraph
node).

This has some interesting effects: first, the problem is that it doesn't
update the "callee" edges in any callees of the function in the call graph.
Second, this covers for a major problem in all the CGSCC pass stuff, which 
is that it is completely broken when functions are deleted if they *don't*
reuse a CGN.  (there is a cute little fixme about this though :).

This patch changes the protocol that CGSCC passes must obey: now the CGSCC 
pass manager copies the SCC and preincrements its iterator to avoid passes
invalidating it.  This allows CGSCC passes to mutate the current SCC.  However
multiple passes may be run on that SCC, so if passes do this, they are now
required to *update* the SCC to be current when they return.

Other less interesting parts of this patch are that it makes passes update
the CG more directly, eliminates changeFunction, and requires clients of
replaceCallSite to specify the new callee CGN if they are changing it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80527 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-31 00:19:58 +00:00
Erick Tryzelaar
52248ff682 Fix header comment for bindings/ocaml/llvm/Makefile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80526 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 23:41:20 +00:00
Erick Tryzelaar
bf4a68ebe2 Make sure we specify no arguments for context functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80525 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 23:38:06 +00:00
Chris Lattner
23603a61c9 add a dump() method on callgraph. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80524 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 22:24:32 +00:00
Chris Lattner
0665552c61 rename test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80523 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 22:14:17 +00:00
Chris Lattner
409255e329 merge all sinking tests into one and convert them to filecheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 22:13:26 +00:00
Chris Lattner
7025264add convert scalar_promote to filecheck style and merge 2003-12-13-VolatilePromote.ll into it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 22:08:19 +00:00
Chris Lattner
251829ed87 eliminate some uses of prcontext. Any help here would be appreciated :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:45:23 +00:00
Chris Lattner
b2e673c563 rename test so that name reflects what it is testing for. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:36:39 +00:00
Chris Lattner
aaf615951c convert to filecheck format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:36:06 +00:00
Chris Lattner
4007241607 suck a bunch more gep tests into getelementptr.ll and filecheckize them all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:31:34 +00:00
Daniel Dunbar
4a1fadaf52 Tweak comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:14:05 +00:00
Daniel Dunbar
12420d3a64 Fix some possible-use-of-uninitialized warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:13:58 +00:00
Chris Lattner
ad5b15379e consolodate various GEP tests into getelementptr.ll using filecheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80514 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:02:36 +00:00
Chris Lattner
d0585ffed1 another huge testcase, this time from 'gs' in llvm-test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80513 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:02:02 +00:00
Chris Lattner
f966e53e86 remove another poorly-reduced testcase which came from ldecod in llvm-test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:01:14 +00:00
Chris Lattner
650e821626 this testcase is 500 lines long and is distilled from bzip2, just 
remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 21:00:11 +00:00
Chris Lattner
e30f0b7d89 convert to filecheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 20:48:15 +00:00
Chris Lattner
2de2319124 Fix PR4748: don't fold gep(bitcast(x)) into bitcast(gep) when x 
is itself a bitcast.  Since we have gep(bitcast(bitcast(y))) in this
case, just wait for the two bitcasts to get zapped.  This prevents
instcombine from confusing some aliasing stuff, and allows it to
directly eliminate the load in the testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 20:38:21 +00:00
Chris Lattner
963f4ba826 misc cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80507 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 20:36:46 +00:00
Chris Lattner
8a67ac525e add getPointerAddressSpace() to GEP instruction, use the method 
in a few scalar xforms to simplify things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80506 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 20:06:40 +00:00
Chris Lattner
2345d1d22e eliminate InsertCastBefore, use the builder instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80505 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 20:01:10 +00:00
Chris Lattner
08142f2560 eliminate InsertBitCastBefore, just use the builder instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80504 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 19:47:22 +00:00
Chris Lattner
a07ae6be66 add a "getPointerAddressSpace" helper method to LoadInst and StoreInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80503 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 19:45:21 +00:00
Anton Korobeynikov
d91aafd005 Add missed pattern 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80502 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 19:06:39 +00:00
Chris Lattner
f925cbd7e4 convert a bunch more calls to InsertNewInstBefore to use 
the new Instcombine builder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80501 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 18:50:58 +00:00
Chris Lattner
75551f748d fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 17:53:59 +00:00
Chris Lattner
77bc60e77e hopefully unbreak the build by making this-> explicit for dependent 
base class lookup.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80499 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 17:44:10 +00:00
Anton Korobeynikov
b00c03bb35 EXTRACT_VECTOR_ELEMENT can have result type different from element type. 
Remove the assertion and generalize the code for ARM NEON stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 17:14:54 +00:00
Torok Edwin
ce0c81e7dd Add regular expression matching support, based on OpenBSD regexec()/regcomp() 
implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80493 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 08:24:09 +00:00
Chris Lattner
7438106207 give instcombine a custom IRBuilder that adds new instructions to the 
workslist and is set to insert new instructions before the current one.
Convert a bunch of stuff that used to call InsertNewInstBefore over to
use it, greatly simplifying code and making it more natural.

There is still a lot more to go, but this is a good start.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80492 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 07:44:24 +00:00
Daniel Dunbar
3a3cb6c59e Update test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 07:01:09 +00:00
Chris Lattner
3c4e38e411 add a new InstCombineWorklist::AddValue method that works even 
if the operand is not an instruction.

Simplify most uses of AddOperandsToWorkList to use AddValue and
inline it into the one remaining callsite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:27:41 +00:00
Chris Lattner
e5ecdb5a98 move AddUsersToWorkList to the worklist processing class, make the 
argument stronger typed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80487 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:22:51 +00:00
Chris Lattner
c3a3e3682b rename AddUsesToWorkList -> AddOperandsToWorkList. The 
former looks too much like AddUsersToWorkList and keeps
confusing me.

Remove AddSoonDeadInstToWorklist and change its two callers
to do the same thing in a simpler way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80486 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:20:05 +00:00
Daniel Dunbar
df65eafe5e llvm-mc/X86: Encode constant MCValue's correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80485 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:17:49 +00:00
Daniel Dunbar
7092c7e1dc llvm-mc: MCStreamer cleanups. - Remove EmitLocalSymbol, this is unsupported for now. 
- Switch Emit{CommonSymbol,Zerofill} to take alignment in bytes (for consistency).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80484 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:17:16 +00:00
Chris Lattner
7a1e924b9a inline the trivial AddToWorkList/RemoveFromWorkList methods 
into their callers.  simplify ReplaceInstUsesWith.  Make
EraseInstFromFunction only add operands to the worklist if
there aren't too many of them (this was a scalability win
for crazy programs that was only infrequently enforced).
Switch more code to using EraseInstFromFunction instead of
duplicating it inline.  Change some fcmp/icmp optimizations
to modify fcmp/icmp in place instead of creating a new one
and deleting the old one just to change the predicate.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 06:13:40 +00:00
Chris Lattner
878daed2aa fix a bug I introduced in r80478 found by the build bot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:56:44 +00:00
Chris Lattner
873ff0158e refactor instcombine's worklist processing stuff out to its own class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80481 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:55:36 +00:00
Chris Lattner
32859c71d6 make DenseMap::clear() early exit if there is nothing to do. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:55:04 +00:00
Chris Lattner
0a9ad97b35 some minor cleanups to IRBuilder, factor the insertion 
hook out of the main IRBuilder class to allow clients to
override it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:42:59 +00:00
Chris Lattner
ab984847a8 more cleanups: remove some redundant code, and simplify some 
other places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:30:55 +00:00
Chris Lattner
f9b91bb5ef eliminate the temporary SrcGEPOperands smallvector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:08:50 +00:00
Chris Lattner
6e24d83167 simplify/detangle some control flow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 05:00:50 +00:00
Chris Lattner
ccf4b34a08 simplify and cleanup some code, remove some code that just 
does constant folding of gep's: this is already handled in
a more general way.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80475 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 04:49:01 +00:00
Chris Lattner
0819cfb1e6 default count-aa to -print-all. The whole reason to use count-aa is 
to see what queries are being made by a transformation, we might as well
default to printing them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 04:25:40 +00:00
Bill Wendling
8ed211406a Nuke moribund "std::string" version of EOL(..., Encoding). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80466 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-30 00:28:57 +00:00
Dan Gohman
e987483256 Add AutoGenerated.inc to svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80455 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-29 23:54:26 +00:00
Dan Gohman
14ef4f0a4c Remove an unnecessary Context argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-29 23:39:38 +00:00