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Author SHA1 Message Date
Chris Lattner 75045da563 fix validation 
llvm-svn: 43549
 2007-10-31 07:30:39 +00:00
Chris Lattner 1db6e89b7a okay, fine, make me finish this chapter. :) 
Feedback appreciated!

llvm-svn: 43548
 2007-10-31 07:29:43 +00:00
Chris Lattner 6b0fb58110 add the code for expression code that we'll add, though most of the 
description is missing.

llvm-svn: 43547
 2007-10-31 06:47:39 +00:00
Chris Lattner 149c55aba4 Add the first half of chapter 5: if/then/else. 
To come: for statement.

llvm-svn: 43546
 2007-10-31 06:30:21 +00:00
Chris Lattner da1988477d __main is dead along with llvm-gcc3. 
llvm-svn: 43545
 2007-10-31 05:53:31 +00:00
Owen Anderson 0b59fa0605 Add the skeleton of a better PHI elimination pass. 
llvm-svn: 43542
 2007-10-31 03:37:57 +00:00
Owen Anderson 9b8f34f2ac Some fixes to get MachineDomTree working better. 
llvm-svn: 43541
 2007-10-31 03:30:14 +00:00
Dale Johannesen b066c1f216 Make i64=expand_vector_elt(v2i64) work in 32-bit mode. 
llvm-svn: 43535
 2007-10-31 00:32:36 +00:00
Evan Cheng 240c1adade At end of LSR, replace uses of now constant (as result of SplitCriticalEdge) PHI node with the constant value. 
llvm-svn: 43533
 2007-10-30 23:45:15 +00:00
Ted Kremenek 4f4c3f9fd5 Added member function "size()" to FoldingSet to return the number of 
nodes in the FoldingSet.

llvm-svn: 43531
 2007-10-30 23:35:55 +00:00
Devang Patel 17833d7068 New test. 
llvm-svn: 43527
 2007-10-30 23:07:47 +00:00
Evan Cheng c2dbfee43f It's not safe to tell SplitCriticalEdge to merge identical edges. It may delete the phi instruction that's being processed. 
llvm-svn: 43524
 2007-10-30 22:27:26 +00:00
Dale Johannesen d50c8bcef6 Add missing SSE builtins: CVTPD2PI, CVTPS2PI, 
CVTTPD2PI, CVTTPS2PI, CVTPI2PD, CVTPI2PS.

llvm-svn: 43523
 2007-10-30 22:15:38 +00:00
Evan Cheng 0747bc1df6 Typo. 
llvm-svn: 43511
 2007-10-30 20:11:21 +00:00
Dan Gohman 9f39660c20 Add support for folding binary operators with vector zero operands. 
llvm-svn: 43510
 2007-10-30 19:00:49 +00:00
Duncan Sands b508c53c63 Fix for visibility warnings generated by gcc-4.2. 
llvm-svn: 43500
 2007-10-30 13:14:37 +00:00
Duncan Sands 9ad5465005 Add support for expanding trunc stores. Consider 
storing an i170 on a 32 bit machine.  This is first
promoted to a trunc-i170 store of an i256.  On a
little-endian machine this expands to a store of
an i128 and a trunc-i42 store of an i128.  The
trunc-i42 store is further expanded to a trunc-i42
store of an i64, then to a store of an i32 and a
trunc-i10 store of an i32.  At this point the operand
type is legal (i32) and expansion stops (legalization
of the trunc-i10 needs to be handled in LegalizeDAG.cpp).
On big-endian machines the high bits are stored first,
and some bit-fiddling is needed in order to generate
aligned stores.

llvm-svn: 43499
 2007-10-30 12:50:39 +00:00
Duncan Sands 341f093bb1 If a call to getTruncStore is for a normal store, 
offload to getStore rather than trying to handle
both cases at once (the assertions for example
assume the store really is truncating).

llvm-svn: 43498
 2007-10-30 12:40:58 +00:00
Dale Johannesen 3f156de60d Fix argument types for PSLLQ, PSRLQ. 
llvm-svn: 43490
 2007-10-30 01:44:33 +00:00
Dale Johannesen 6aa304e529 Add missing MMX PSUBQ. 
llvm-svn: 43488
 2007-10-30 01:18:38 +00:00
Evan Cheng b024c4c81d - Bug fixes. 
- Allow icmp rewrite using an iv / stride of a smaller integer type.

llvm-svn: 43480
 2007-10-29 22:07:18 +00:00
Hartmut Kaiser f557d896cb Updated VC++ build system 
llvm-svn: 43479
 2007-10-29 21:56:15 +00:00
Dan Gohman ae95d72a52 Fix a DAGCombiner abort on a bitcast from a scalar to a vector. 
llvm-svn: 43470
 2007-10-29 20:44:42 +00:00
Dan Gohman 2aec186dd0 Don't bitcast from pointer-to-vector to pointer-to-array when 
lowering load and store instructions.

llvm-svn: 43468
 2007-10-29 20:34:35 +00:00
Dan Gohman 3bcd5fe9f1 Use an array instead of a fixed-length std::vector. 
llvm-svn: 43467
 2007-10-29 20:24:00 +00:00
Dan Gohman d9911e21df Do a real assert if there is an unhandled vector instruction instead 
of just printing to cerr.

llvm-svn: 43466
 2007-10-29 20:14:29 +00:00
Evan Cheng e106e2f142 Enable more fold (sext (load x)) -> (sext (truncate (sextload x))) 
transformation. Previously, it's restricted by ensuring the number of load uses
is one. Now the restriction is loosened up by allowing setcc uses to be
"extended" (e.g. setcc x, c, eq -> setcc sext(x), sext(c), eq).

llvm-svn: 43465
 2007-10-29 19:58:20 +00:00
Dan Gohman 1961c28d46 Add explicit keywords. 
llvm-svn: 43464
 2007-10-29 19:52:04 +00:00
Dan Gohman 7414e21ec0 Update a comment to reflect the current code. 
llvm-svn: 43463
 2007-10-29 19:32:39 +00:00
Dan Gohman f5feb01056 Remove an unused function argument. 
llvm-svn: 43462
 2007-10-29 19:31:25 +00:00
Dan Gohman 50d42224d0 Fix a typo in a comment. 
llvm-svn: 43461
 2007-10-29 19:26:14 +00:00
Dan Gohman 8e8adada83 Avoid calling ValidStride when not all uses are addresses. 
llvm-svn: 43460
 2007-10-29 19:23:53 +00:00
Ted Kremenek ef23e34bba Fixed warning concerning implicit conversion from a NULL pointer 
constant to an unsigned int.  We now just directly assign the literal 0.

llvm-svn: 43459
 2007-10-29 18:43:39 +00:00
Chris Lattner 00860d7574 update testcase 
llvm-svn: 43452
 2007-10-29 17:06:35 +00:00
Evan Cheng 7b3f7feaea Avoid doing something dumb like rewriting using a 64-bit iv in 32-bit mode. 
llvm-svn: 43446
 2007-10-29 07:57:50 +00:00
Chris Lattner 909a54ccd4 add a note. 
llvm-svn: 43444
 2007-10-29 06:19:48 +00:00
Chris Lattner c541c3ee15 Model stacksave and stackrestore as both writing memory, since we 
don't model their dependences on allocas correctly.  This fixes
PR1745.

llvm-svn: 43442
 2007-10-29 05:47:52 +00:00
Owen Anderson 3692dbe492 Add a first attempt at dominator information for MBB's. Use with caution: this has been tested to compile. It has not yet been confirmed to generate correct analysis. 
llvm-svn: 43438
 2007-10-29 04:50:50 +00:00
Chris Lattner b6fc40e60f I am not sure this is a good idea to be an option, but rename the option for 
now.  It conflicts with clang's -pedantic flag.

llvm-svn: 43431
 2007-10-29 03:14:55 +00:00
Chris Lattner 5e99fd8c0d Add support for the x86-64 'q' regigster modifier, and add support for the 
b/h/w/k/q inline asm memory modifiers, which are just ignored.  This fixes
PR1748 and CodeGen/X86/2007-10-28-inlineasm-q-modifier.ll

llvm-svn: 43430
 2007-10-29 03:09:07 +00:00
Chris Lattner 9a641510bd Fix PR1749 and InstCombine/2007-10-28-EmptyField.ll by handling 
zero-length fields better.

llvm-svn: 43427
 2007-10-29 02:40:02 +00:00
Chris Lattner 4a15e04aee Fix PR1752 and LoopSimplify/2007-10-28-InvokeCrash.ll: terminators 
can have uses too.  Wouldn't it be nice if invoke didn't exist? :)

llvm-svn: 43426
 2007-10-29 02:30:37 +00:00
Ted Kremenek 8be9bc64ce Fixed assertion in Deserializer::~Deserializer that checks for 
pointers that were not backpatched (previously checked the wrong invariant).

llvm-svn: 43425
 2007-10-28 23:38:38 +00:00
Anton Korobeynikov 9dced3f9ae Add 'pedantic' mode to verifier rejecting syntactically valid, but 'bad' due to other reasons code 
llvm-svn: 43424
 2007-10-28 22:50:32 +00:00
Ted Kremenek 387204749b Updated backpatching logic during object deserialization to perform 
eager backpatching instead of waithing until all objects have been
deserialized.  This allows us to reduce the memory footprint needed
for backpatching.

llvm-svn: 43422
 2007-10-28 21:17:59 +00:00
Duncan Sands 1826deda68 The guaranteed alignment of ptr+offset is only the minimum of 
of offset and the alignment of ptr if these are both powers of
2.  While the ptr alignment is guaranteed to be a power of 2,
there is no reason to think that offset is.  For example, if
offset is 12 (the size of a long double on x86-32 linux) and
the alignment of ptr is 8, then the alignment of ptr+offset
will in general be 4, not 8.  Introduce a function MinAlign,
lifted from gcc, for computing the minimum guaranteed alignment.
I've tried to fix up everywhere under lib/CodeGen/SelectionDAG/.
I also changed some places that weren't wrong (because both values
were a power of 2), as a defensive change against people copying
and pasting the code.
Hopefully someone who cares about alignment will review the rest
of LLVM and fix up the remaining places.  Since I'm on x86 I'm
not very motivated to do this myself...

llvm-svn: 43421
 2007-10-28 12:59:45 +00:00
Evan Cheng c826ac533b New entry. 
llvm-svn: 43420
 2007-10-28 04:01:09 +00:00
Ted Kremenek 9dd1e702fa Fixed bug where default SerializeTrait<>::Materialize would not return the materialized object pointer. 
llvm-svn: 43413
 2007-10-26 23:44:59 +00:00
Bill Wendling 2305de81a4 Test to make sure that if we have an unaligned memcpy, it will still compile. 
llvm-svn: 43412
 2007-10-26 23:43:35 +00:00
Evan Cheng 9dbe99dcd6 A number of LSR fixes: 
- ChangeCompareStride only reuse stride that is larger than current stride. It
  will let the general reuse mechanism to try to reuse a smaller stride.
- Watch out for multiplication overflow in ChangeCompareStride.
- Replace std::set with SmallPtrSet.

llvm-svn: 43408
 2007-10-26 23:08:19 +00:00
Ted Kremenek 5e7133b090 Added SerializeAPInt.cpp and DeserializeAPInt.cpp to the XCode project. 
llvm-svn: 43406
 2007-10-26 21:53:37 +00:00
Ted Kremenek 2d95094bea Added serialization support for APInt. 
llvm-svn: 43405
 2007-10-26 21:50:10 +00:00
Ted Kremenek 18c1393ddb Fixed incorrect "path name" in preamble (comment) of header file. 
llvm-svn: 43402
 2007-10-26 20:44:02 +00:00
Ted Kremenek f8555a23ec Fixed incorrect "path name" in preamble (comment) of header file. 
llvm-svn: 43401
 2007-10-26 20:42:45 +00:00
Bill Wendling b0bfd69684 On second thought. Remove this as it should never be generated in the first 
place.

llvm-svn: 43400
 2007-10-26 20:34:37 +00:00
Bill Wendling 6d15b32c15 - Remove the hacky code that forces a memcpy. Alignment is taken care of in the 
FE.
- Explicitly pass in the alignment of the load & store.
- XFAIL 2007-10-23-UnalignedMemcpy.ll because llc has a bug that crashes on
  unaligned pointers.

llvm-svn: 43398
 2007-10-26 20:24:42 +00:00
Ted Kremenek fc88b1ddb8 Added default implementation of SerializeTrait<> that dispatches to 
calling member functions of the target type to perform type-specific
serialization.
                         
Added version of ReadPtr that allows passing references to uintptr_t
(useful for smart pointers).

llvm-svn: 43396
 2007-10-26 20:23:27 +00:00
Evan Cheng d78a3e5555 Fix a crash. Make sure TLI is not null. 
llvm-svn: 43384
 2007-10-26 17:24:46 +00:00
Anton Korobeynikov d07d6a411c Fix off-by-one stack offset computations (dwarf information) for callee-saved 
registers in case, when FP pointer was eliminated. This should fixes misc. random
EH-related crahses, when stuff is compiled with -fomit-frame-pointer.
Thanks Duncan for nailing this bug!

llvm-svn: 43381
 2007-10-26 09:13:24 +00:00
Eric Christopher 18063916b5 clo/clz aren't supported on mips I. Keep them around for when we'll 
want them later (mips32/64).

llvm-svn: 43380
 2007-10-26 04:00:13 +00:00
Owen Anderson b7971bbdd7 Make a comment better. 
llvm-svn: 43379
 2007-10-26 03:47:14 +00:00
Gordon Henriksen 78c63ac41e More fleshing out of docs/Passes.html, plus some typo fixes and 
improved wording in source files.

llvm-svn: 43377
 2007-10-26 03:03:51 +00:00
Evan Cheng 7f3d02471d Loosen up iv reuse to allow reuse of the same stride but a larger type when truncating from the larger type to smaller type is free. 
e.g.
Turns this loop:
LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
        movw    %dx, %si
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %edi
        movw    %si, (%edi)
        movl    L_Y$non_lazy_ptr, %edi
        movw    %dx, (%edi)
		addw    $4, %dx
		incw    %si
		incl    %ecx
		cmpl    %eax, %ecx
		jne     LBB1_2  # bb
	
into

LBB1_1: # entry.bb_crit_edge
        xorl    %ecx, %ecx
        xorw    %dx, %dx
LBB1_2: # bb
        movl    L_X$non_lazy_ptr, %esi
        movw    %cx, (%esi)
        movl    L_Y$non_lazy_ptr, %esi
        movw    %dx, (%esi)
        addw    $4, %dx
		incl    %ecx
        cmpl    %eax, %ecx
        jne     LBB1_2  # bb

llvm-svn: 43375
 2007-10-26 01:56:11 +00:00
Hartmut Kaiser 1207cd6b1b Silenced a VC++ warning. 
llvm-svn: 43374
 2007-10-25 23:49:14 +00:00
Ted Kremenek 542e5f29b7 Updated backpatching during object deserialization to support "smart" 
pointers that employ unused bits in a pointer to store extra data.

llvm-svn: 43373
 2007-10-25 23:40:35 +00:00
Hartmut Kaiser fc69d322f2 Clarified operator precedence. 
Silenced VC++ warning.

llvm-svn: 43372
 2007-10-25 23:15:31 +00:00
Hartmut Kaiser 7e16ce5270 Disambiguated variable name to comply with VC++'s archaic variable scoping rules. 
llvm-svn: 43369
 2007-10-25 22:57:48 +00:00
Hartmut Kaiser 3a0cda1cf7 Updated VC++ build system 
llvm-svn: 43368
 2007-10-25 22:56:13 +00:00
Evan Cheng 29e29e63bd Do not rewrite compare instruction using iv of a different stride if the new 
stride may be rewritten using the stride of the compare instruction.

llvm-svn: 43367
 2007-10-25 22:45:20 +00:00
Dale Johannesen 65e804a9c3 Support non-POSIX hosts by removing use of strncasecmp. 
llvm-svn: 43364
 2007-10-25 21:54:43 +00:00
Bill Wendling f73340efb9 Changed XXX to FIXME, and added comment to the README file 
llvm-svn: 43359
 2007-10-25 19:49:32 +00:00
Ted Kremenek a83e6bc246 Added special treatment of serializing NULL pointers. 
llvm-svn: 43357
 2007-10-25 18:42:52 +00:00
Evan Cheng 5a38108374 Remove code that's commented out. 
llvm-svn: 43356
 2007-10-25 18:38:24 +00:00
Bill Wendling 5f7ed00d44 Added comment explaining why we are doing this check. 
llvm-svn: 43353
 2007-10-25 18:23:45 +00:00
Ted Kremenek 0cf94e9c91 Created header file to include minimal forward references needed for 
object serialization.

llvm-svn: 43352
 2007-10-25 18:19:29 +00:00
Chris Lattner 991b6b9d0c typo 
llvm-svn: 43351
 2007-10-25 18:05:29 +00:00
Chris Lattner 76a2273f6e some minor edits, link to Passes.html, make one point 
I forgot about yesterday.

llvm-svn: 43350
 2007-10-25 17:52:39 +00:00
Ted Kremenek 93345274c2 Added Serialization.h, Serialize.h, Deserialize.h, Serialize.cpp, and 
Deserialize.cpp to the XCode project.

llvm-svn: 43345
 2007-10-25 16:09:09 +00:00
Duncan Sands d385f0759c Small formatting changes. Add a sanity check. 
Use NVT rather than looking it up, since we have
it to hand.

llvm-svn: 43341
 2007-10-25 12:35:51 +00:00
Duncan Sands a8f4ba6eb9 Promote SETCC operands. 
llvm-svn: 43340
 2007-10-25 12:32:31 +00:00
Duncan Sands cf0da03312 Correctly extract the ValueType from a VTSDNode. 
llvm-svn: 43339
 2007-10-25 12:30:51 +00:00
Duncan Sands 7e6e33beab Fix comment typos. 
llvm-svn: 43338
 2007-10-25 12:28:12 +00:00
Gordon Henriksen 77d27523b1 Fleshing out docs/Passes.html for some analyses. 
llvm-svn: 43337
 2007-10-25 10:18:27 +00:00
Evan Cheng 133694db06 If a loop termination compare instruction is the only use of its stride, 
and the compaison is against a constant value, try eliminate the stride
by moving the compare instruction to another stride and change its
constant operand accordingly. e.g.

loop:
...
v1 = v1 + 3
v2 = v2 + 1
if (v2 < 10) goto loop
=>
loop:
...
v1 = v1 + 3
if (v1 < 30) goto loop

llvm-svn: 43336
 2007-10-25 09:11:16 +00:00
Gordon Henriksen ac72db5dbe Passes.html now 'passes' validation. 
llvm-svn: 43335
 2007-10-25 08:58:56 +00:00
Gordon Henriksen 50768f89d9 Bringing Passes.html structurally up-to-date, and enabling 
semi-automated maintenance.

llvm-svn: 43334
 2007-10-25 08:46:12 +00:00
Owen Anderson 4cee0451f0 Fix an obvious typo. 
llvm-svn: 43333
 2007-10-25 06:50:30 +00:00
Owen Anderson 4c209da848 More tutorial cleanups. 
llvm-svn: 43332
 2007-10-25 06:49:29 +00:00
Owen Anderson af8059c1a7 Add proper footers. 
llvm-svn: 43331
 2007-10-25 06:45:01 +00:00
Owen Anderson a24e5d6996 Don't bother providing code samples. Maintaining zip files in the repository is a pain. 
llvm-svn: 43330
 2007-10-25 06:41:23 +00:00
Chris Lattner 8b59eafb89 Add chapter 4, feedback appreciated. 
llvm-svn: 43329
 2007-10-25 06:23:36 +00:00
Chris Lattner f98427142c remove unimplemented ctor, add some comments. 
llvm-svn: 43328
 2007-10-25 05:19:24 +00:00
Chris Lattner 46b4281b6a Run the verifier on generated code. 
llvm-svn: 43327
 2007-10-25 04:30:35 +00:00
Owen Anderson 7827a3f366 Fix for PR1741. 
llvm-svn: 43326
 2007-10-25 02:36:18 +00:00
Dale Johannesen ea839ef1f0 Testcase for PR 1397. 
llvm-svn: 43323
 2007-10-25 00:50:14 +00:00
Owen Anderson 00974dce68 Make it possible for DomTreeBase to be constructed from MachineFunction's as well as just Function's. 
llvm-svn: 43321
 2007-10-25 00:16:57 +00:00
Ted Kremenek d5cb7b055d Implemented prototype serialization of pointers, including support 
for backpatching.

Added Deserialize::ReadVal.

llvm-svn: 43319
 2007-10-25 00:10:21 +00:00
Dale Johannesen a4a972e32d Another expansion for i64 multiply, suitable for PPC. 
llvm-svn: 43314
 2007-10-24 22:26:08 +00:00
Dale Johannesen 52bbe1b171 This was failing on Darwin, which defaults to PIC; 
no lea was generated.  I think this follows the intent.

llvm-svn: 43312
 2007-10-24 20:58:14 +00:00
Dale Johannesen 4d06391c47 Fix off by 1 bug in printf->puts lowering. 
llvm-svn: 43309
 2007-10-24 20:14:50 +00:00
Ted Kremenek 83610ae6f4 Split Serialization.h into separate headers: Serialize.h and 
Deserialize.h Serialization.h now includes trait speciailizations for
unsigned long, etc.

llvm-svn: 43307
 2007-10-24 19:06:40 +00:00
Chris Lattner 55b8302dfe simplify some code by using the new isNaN predicate 
llvm-svn: 43305
 2007-10-24 18:54:45 +00:00
Chris Lattner b6ed689722 add a nice predicate to check to see if nan 
llvm-svn: 43304
 2007-10-24 18:54:28 +00:00
Owen Anderson 544f860f59 Update Makefile to use simpler llvm-config parameters. 
llvm-svn: 43292
 2007-10-24 16:06:42 +00:00
Owen Anderson 4c9dbd1e9f Update Makefile to use simpler llvm-config parameters. 
llvm-svn: 43291
 2007-10-24 16:04:08 +00:00
Chris Lattner 0083d8f38d switch some calls to SelectionDAG::getTargetNode to use 
the one that takes an operand list instead of explicit
operands.  There is one left though, the more interesting
one :)

llvm-svn: 43290
 2007-10-24 06:25:09 +00:00
Chris Lattner c62877e9da Implement a couple of foldings for ordered and unordered comparisons, 
implementing cases related to PR1738.

llvm-svn: 43289
 2007-10-24 05:38:08 +00:00
Chris Lattner 9a760ebf32 further simplify run options, thanks to gordonh for pointing this out 
llvm-svn: 43288
 2007-10-24 05:09:48 +00:00
Chris Lattner 1fb0d5df69 Fix instructions now that PR1739 is fixed. 
llvm-svn: 43287
 2007-10-24 04:37:23 +00:00
Chris Lattner 4c9ec1aaa2 Fix PR1739. 
llvm-svn: 43286
 2007-10-24 04:35:54 +00:00
Hartmut Kaiser 1759e27951 Added VC++ solution file allowing to build clang. 
llvm-svn: 43279
 2007-10-24 00:13:40 +00:00
Hartmut Kaiser 36309e56eb Silenced a VC++ warning. 
llvm-svn: 43276
 2007-10-24 00:06:31 +00:00
Hartmut Kaiser f8b2612b0c Updated VC++ build system 
llvm-svn: 43275
 2007-10-23 23:57:01 +00:00
Bill Wendling 38ccabcae9 Fix comment and use the "Size" variable that's already provided. 
llvm-svn: 43271
 2007-10-23 23:36:57 +00:00
Bill Wendling e3b859298a If there's an unaligned memcpy to/from the stack, don't lower it. Just call the 
memcpy library function instead.

llvm-svn: 43270
 2007-10-23 23:32:40 +00:00
Dale Johannesen 10f4152471 Disable a couple more things for ppcf128. 
llvm-svn: 43267
 2007-10-23 23:20:14 +00:00
Ted Kremenek 97e3be7995 Added "ReadEnum" and "WriteEnum" to serialization classes. 
llvm-svn: 43265
 2007-10-23 22:17:03 +00:00
Bill Wendling 6f149c0571 This broke lots. Reverting. 
llvm-svn: 43264
 2007-10-23 22:04:26 +00:00
Owen Anderson 39b52ee00b Make DomTreeBase not a FunctionPass. 
llvm-svn: 43263
 2007-10-23 21:42:49 +00:00
Bill Wendling 8971440e56 Lowering a memcpy to the stack is killing PPC. The ARM and X86 backends already 
have their own custom memcpy lowering code. This code needs to be factored out
into a target-independent lowering method with hooks to the backend. In the
meantime, just call memcpy if we're trying to copy onto a stack.

llvm-svn: 43262
 2007-10-23 21:30:25 +00:00
Ted Kremenek bd3501887f Added preliminary implementation of generic object serialization to bitcode. 
llvm-svn: 43261
 2007-10-23 21:29:33 +00:00
Owen Anderson 4ca0ca7e64 Unbreak the build. Forgot to commit this file. 
llvm-svn: 43260
 2007-10-23 21:04:37 +00:00
Owen Anderson 9c614117da Make DomTree and PostDomTree thin wrappers around DomTreeBase, rather than inheriting from it. 
llvm-svn: 43259
 2007-10-23 20:58:37 +00:00
Evan Cheng 5d7032bb08 It's possible to commute instrctions with more than 3 operands. 
llvm-svn: 43256
 2007-10-23 20:14:40 +00:00
Chris Lattner 07ae732cc4 new testcase 
llvm-svn: 43252
 2007-10-23 18:07:23 +00:00
Chris Lattner 788f0d340a llvm/test programs should not be execution programs. This 
will hopefully fix Gabor's Sparc problem.

llvm-svn: 43251
 2007-10-23 17:56:04 +00:00
Evan Cheng 847d42a85c isSubRegOf() is a dup of isSubRegister. 
llvm-svn: 43249
 2007-10-23 06:51:50 +00:00
Evan Cheng ec271b104c Temporary solution: added a different set of BCTRL_Macho / BCTRL_ELF with right callee-saved defs set for ppc64. 
llvm-svn: 43248
 2007-10-23 06:42:42 +00:00
Chris Lattner c3def1530a Fix validation problems, which were somewhat ironically in the "valid html" button code :) 
llvm-svn: 43247
 2007-10-23 06:30:50 +00:00
Chris Lattner e9b16ec28a add a skeleton for part 4 
llvm-svn: 43246
 2007-10-23 06:27:55 +00:00
Chris Lattner a02ab559a1 complete the codegen chapter 
llvm-svn: 43245
 2007-10-23 06:23:57 +00:00
Owen Anderson b5d8904909 Now with valid HTML 4.01! 
llvm-svn: 43244
 2007-10-23 06:22:21 +00:00
Owen Anderson 3ee597e34a Add a link to the "writing an optimization" tutorial. 
llvm-svn: 43243
 2007-10-23 06:17:39 +00:00
Owen Anderson c4bb8c75ca Add downloadable code sample for tutorial 2. 
llvm-svn: 43242
 2007-10-23 06:05:37 +00:00
Owen Anderson 299be453b5 Add the second of the "basic topics" tutorials. 
llvm-svn: 43241
 2007-10-23 06:03:24 +00:00
Owen Anderson 9e87698ec1 Reorder the optimization and bitcode tutorials. 
llvm-svn: 43240
 2007-10-23 06:02:14 +00:00
Chris Lattner 61353b41df Fix up a broken #include, move code to its own section, add conclusions. 
llvm-svn: 43239
 2007-10-23 05:43:01 +00:00
Chris Lattner 93b76e0c60 Finish up expr codegen. 
llvm-svn: 43238
 2007-10-23 04:51:30 +00:00
Chris Lattner 61b4ec70aa several improvements suggested by Dan, thanks! 
llvm-svn: 43237
 2007-10-23 04:27:44 +00:00
Evan Cheng 1f2dd35898 Fix memcpy lowering when addresses are 4-byte aligned but size is not multiple of 4. 
llvm-svn: 43234
 2007-10-22 22:11:27 +00:00
Dan Gohman d09f1c40a2 The #include <iterator> isn't needed in this header. 
llvm-svn: 43232
 2007-10-22 20:44:10 +00:00
Dan Gohman e0c3d9f338 Strength reduction improvements. 
- Avoid attempting stride-reuse in the case that there are users that
   aren't addresses. In that case, there will be places where the
   multiplications won't be folded away, so it's better to try to
   strength-reduce them.

 - Several SSE intrinsics have operands that strength-reduction can
   treat as addresses. The previous item makes this more visible, as
   any non-address use of an IV can inhibit stride-reuse.

 - Make ValidStride aware of whether there's likely to be a base
   register in the address computation. This prevents it from thinking
   that things like stride 9 are valid on x86 when the base register is
   already occupied.

Also, XFAIL the 2007-08-10-LEA16Use32.ll test; the new logic to avoid
stride-reuse elimintes the LEA in the loop, so the test is no longer
testing what it was intended to test.

llvm-svn: 43231
 2007-10-22 20:40:42 +00:00
Dan Gohman bf474959a3 Fix the folding of multiplication into addresses on x86, which was broken 
by the recent {U,S}MUL_LOHI changes.

llvm-svn: 43230
 2007-10-22 20:22:24 +00:00
Evan Cheng bdbed66333 Use ptr type in the immediate field of a BxA instruction so we don't end up selecting 32-bit call instruction for ppc64. 
llvm-svn: 43228
 2007-10-22 19:46:19 +00:00
Evan Cheng 5163a8f53e Add missing paratheses. 
llvm-svn: 43227
 2007-10-22 19:42:28 +00:00
Chris Lattner fee916334a add a 'don't use me' marker. 
llvm-svn: 43226
 2007-10-22 19:41:46 +00:00
Duncan Sands 941db4da0a Support for expanding extending loads of integers with 
funky bit-widths.

llvm-svn: 43225
 2007-10-22 19:00:05 +00:00
Dan Gohman a37eaf2bf9 Move the SCEV object factors from being static members of the individual 
SCEV subclasses to being non-static member functions of the ScalarEvolution
class.

llvm-svn: 43224
 2007-10-22 18:31:58 +00:00
Duncan Sands 8fc995069b Fix up the logic for result expanding the various extension 
operations so they work right for integers with funky
bit-widths.  For example, consider extending i48 to i64
on a 32 bit machine.  The i64 result is expanded to 2 x i32.
We know that the i48 operand will be promoted to i64, then
also expanded to 2 x i32.  If we had the expanded promoted
operand to hand, then expanding the result would be trivial.
Unfortunately at this stage we can only get hold of the
promoted operand.  So instead we kind of hand-expand, doing
explicit shifting and truncating to get the top and bottom
halves of the i64 operand into 2 x i32, which are then used
to expand the result.  This is harmless, because when the
promoted operand is finally expanded all this bit fiddling
turns into trivial operations which are eliminated either
by the expansion code itself or the DAG combiner.

llvm-svn: 43223
 2007-10-22 18:26:21 +00:00
Chris Lattner ce2c3a456f fit in 80 cols :) 
llvm-svn: 43222
 2007-10-22 16:44:31 +00:00
Chris Lattner 560762d118 start of chapter 3 
llvm-svn: 43221
 2007-10-22 07:01:42 +00:00
Owen Anderson c2b2fc0a26 Fix a few typos I noticed. 
llvm-svn: 43220
 2007-10-22 06:48:28 +00:00
Owen Anderson 3295cfde98 Add downloadable code samples. 
llvm-svn: 43219
 2007-10-22 06:35:07 +00:00
Chris Lattner 3a48708c91 Check in part 2: parser and ast. 
llvm-svn: 43218
 2007-10-22 06:34:15 +00:00
Owen Anderson bbed04336c Fix some code to make it actually work. 
llvm-svn: 43217
 2007-10-22 06:29:31 +00:00
Bill Wendling 8830ffed4c Put correct link in example 
llvm-svn: 43216
 2007-10-22 05:10:05 +00:00
Chris Lattner 5e0f459da6 add part 1, review appreciated. 
llvm-svn: 43215
 2007-10-22 04:32:37 +00:00
Chris Lattner 5e63999d71 add an outline for "part 2". 
llvm-svn: 43214
 2007-10-22 03:19:07 +00:00
Chris Lattner c14c8cd1a7 rename tutorial 1 -> JITTutorial1, make unimplemented links not be dead links. 
llvm-svn: 43213
 2007-10-22 03:12:24 +00:00
Evan Cheng c92446af1f Fix an unfolding bug. 
llvm-svn: 43212
 2007-10-22 03:03:20 +00:00
Evan Cheng 8557603781 - Only perform the unfolding optimization when the folding in question is modref. 
- Remove a bogus assertion.

llvm-svn: 43211
 2007-10-22 03:01:44 +00:00
Chris Lattner fd6f3257b8 add a mechanism for the JIT to invoke a function to lazily create functions as they are referenced. 
llvm-svn: 43210
 2007-10-22 02:50:12 +00:00
Chris Lattner bf5e958ba0 llvm-gcc3 is dead, along with it __main. 
llvm-svn: 43209
 2007-10-22 02:39:47 +00:00
Anton Korobeynikov 7499a3b092 Reg2Mem cleanup and optimizations: 
- enable phi instructions demotion to stack
 - create alloca instructions in the entry block

llvm-svn: 43208
 2007-10-21 23:05:16 +00:00
Chris Lattner edaf0b4651 LoadLibraryPermanently doesn't throw. 
llvm-svn: 43207
 2007-10-21 22:58:11 +00:00
Chris Lattner b5163bb9f0 Add a convenience method for creating EE's. 
llvm-svn: 43206
 2007-10-21 22:57:11 +00:00
Dale Johannesen 8ee70112ea Allow for copysign having f80 second argument. 
Fixes 5550319.

llvm-svn: 43205
 2007-10-21 01:07:44 +00:00
Chris Lattner 36f06c80e6 Add promote operand support for [su]int_to_fp. 
llvm-svn: 43204
 2007-10-20 22:57:56 +00:00
Owen Anderson 18be874e67 Some improvements based on feedback from Anders. 
llvm-svn: 43203
 2007-10-20 06:12:33 +00:00
Owen Anderson 9f2be01f86 Fix some weird indenting in code. 
llvm-svn: 43202
 2007-10-20 05:41:39 +00:00
Owen Anderson f747ab10fb Use getOrInsertFunction() in tutorial 1. This makes for shorter, simpler, and better example code. 
llvm-svn: 43201
 2007-10-20 05:40:47 +00:00
Owen Anderson b207ff2c18 Add the beginnings of an LLVM tutorial. If anyone has suggestions, comments, 
or would like to contribute, let me know!

llvm-svn: 43200
 2007-10-20 05:23:06 +00:00
Chris Lattner 2ba4b148f3 Add result promotion of FP_TO_*INT, fixing CodeGen/X86/trunc-to-bool.ll 
with the new legalizer.

llvm-svn: 43199
 2007-10-20 04:32:38 +00:00
Chris Lattner 1c87f0c620 simplify some code. 
llvm-svn: 43198
 2007-10-20 04:09:48 +00:00
Chris Lattner 2bcac640b7 Implement promote and expand for operands of memcpy and friends. 
This fixes CodeGen/X86/mem*.ll.

llvm-svn: 43197
 2007-10-20 04:07:07 +00:00
Evan Cheng f12967124c Added missing curly braces which renders the if clause useless in debug build. 
llvm-svn: 43196
 2007-10-20 04:01:47 +00:00
Dale Johannesen 771188cf60 Fix a few places vector operations were not getting 
the operand's type from the right place.

llvm-svn: 43195
 2007-10-20 00:07:52 +00:00
Evan Cheng 45e096c77e Resolve unfold tables ambiguity. 
llvm-svn: 43194
 2007-10-19 23:50:58 +00:00
Evan Cheng f52a6fc50c New test case. 
llvm-svn: 43193
 2007-10-19 22:05:00 +00:00
Evan Cheng 35ff79370b Local spiller optimization: 
Turn a store folding instruction into a load folding instruction. e.g.
     xorl  %edi, %eax
     movl  %eax, -32(%ebp)
     movl  -36(%ebp), %eax
     orl   %eax, -32(%ebp)
=>
     xorl  %edi, %eax
     orl   -36(%ebp), %eax
     mov   %eax, -32(%ebp)
This enables the unfolding optimization for a subsequent instruction which will
also eliminate the newly introduced store instruction.

llvm-svn: 43192
 2007-10-19 21:23:22 +00:00
Bill Wendling ac5c93040f Don't branch fold inline asm statements. 
llvm-svn: 43191
 2007-10-19 21:09:55 +00:00
Duncan Sands a87c9e4b75 Add support for a few more nodes. 
llvm-svn: 43190
 2007-10-19 20:29:48 +00:00
Dale Johannesen 6802d0c96f Redo "last ppc long double fix" as Chris wants. 
llvm-svn: 43189
 2007-10-19 20:29:00 +00:00
Bill Wendling b5bc897864 Removed "-arch i386" by popular demand... 
llvm-svn: 43186
 2007-10-19 18:49:16 +00:00
Bill Wendling 5f1a253a3f Now with RUN line! 
llvm-svn: 43185
 2007-10-19 18:40:53 +00:00
Bill Wendling 89151b1f0a Remove the Foundation.h file because not everyone has that. 
llvm-svn: 43184
 2007-10-19 18:36:04 +00:00
Devang Patel c0ced49a14 This test now passes. 
llvm-svn: 43183
 2007-10-19 17:11:01 +00:00
Anton Korobeynikov f93fa13de7 Update this file for 2.0 syntax. Contributed by Jan Rehders 
llvm-svn: 43182
 2007-10-19 16:54:13 +00:00
Chris Lattner 064c31ebac Fix a really nasty vector miscompilation bill recently introduced. 
llvm-svn: 43181
 2007-10-19 16:47:35 +00:00
Hartmut Kaiser 321be0cd86 Updated VC++ build system 
llvm-svn: 43180
 2007-10-19 15:51:20 +00:00
Chris Lattner 3ea519e56d rename ExpandOperation to ExpandOperationResult, as suggested 
by Duncan

llvm-svn: 43177
 2007-10-19 15:28:47 +00:00
Rafael Espindola 18a831d783 split LowerMEMCPY into LowerMEMCPYCall and LowerMEMCPYInline in the ARM backend. 
llvm-svn: 43176
 2007-10-19 14:35:17 +00:00
Duncan Sands a9953e4d0a Support for expanding ADDE and SUBE. 
llvm-svn: 43175
 2007-10-19 13:06:17 +00:00
Duncan Sands d9834b29dd If the value types are equal then this routine 
asserts in later checks rather than producing
the ordinary load it is supposed to.  Avoid all
such hassles by directly returning an ordinary
load in this case.

llvm-svn: 43174
 2007-10-19 13:05:40 +00:00
Rafael Espindola 813a0b1d29 Test byval with a 8 bit aligned struct 
llvm-svn: 43173
 2007-10-19 11:29:21 +00:00
Rafael Espindola 846c19dd70 Add support for byval function whose argument is not 32 bit aligned. 
To do this it is necessary to add a "always inline" argument to the
memcpy node. For completeness I have also added this node to memmove
and memset.  I have also added getMem* functions, because the extra
argument makes it cumbersome to use getNode and because I get confused
by it :-)

llvm-svn: 43172
 2007-10-19 10:41:11 +00:00
Chris Lattner e5a6448533 Implement a few new operations. 
llvm-svn: 43171
 2007-10-19 04:46:45 +00:00
Chris Lattner e31365eecc Implement expansion of SINT_TO_FP and UINT_TO_FP operands. 
llvm-svn: 43170
 2007-10-19 04:32:47 +00:00
Chris Lattner 9081d08083 implement support for custom expansion of any node type, in one place. 
llvm-svn: 43169
 2007-10-19 04:14:36 +00:00
Chris Lattner b193576bc6 comment fixes 
llvm-svn: 43168
 2007-10-19 04:08:28 +00:00