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Author SHA1 Message Date
Bill Wendling
18b6321020 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
8d329ff809 - 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
87e1cadc06 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
53b2e7f3ca Fix a crash. Make sure TLI is not null. 
llvm-svn: 43384
 2007-10-26 17:24:46 +00:00
Anton Korobeynikov
0d3f43480e 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
82c77dd85b 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
8bf547855a Make a comment better. 
llvm-svn: 43379
 2007-10-26 03:47:14 +00:00
Gordon Henriksen
609997aa7d 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
53696b7e9f 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
d57d01b8e0 Silenced a VC++ warning. 
llvm-svn: 43374
 2007-10-25 23:49:14 +00:00
Ted Kremenek
2bfb73a3f4 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
48b3098b43 Clarified operator precedence. 
Silenced VC++ warning.

llvm-svn: 43372
 2007-10-25 23:15:31 +00:00
Hartmut Kaiser
8b605b5578 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
5aad1d0e9b Updated VC++ build system 
llvm-svn: 43368
 2007-10-25 22:56:13 +00:00
Evan Cheng
d7eab3a984 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
0774a9c549 Support non-POSIX hosts by removing use of strncasecmp. 
llvm-svn: 43364
 2007-10-25 21:54:43 +00:00
Bill Wendling
27f7cac311 Changed XXX to FIXME, and added comment to the README file 
llvm-svn: 43359
 2007-10-25 19:49:32 +00:00
Ted Kremenek
d29fe31fcd Added special treatment of serializing NULL pointers. 
llvm-svn: 43357
 2007-10-25 18:42:52 +00:00
Evan Cheng
c25c4276a6 Remove code that's commented out. 
llvm-svn: 43356
 2007-10-25 18:38:24 +00:00
Bill Wendling
34d5118422 Added comment explaining why we are doing this check. 
llvm-svn: 43353
 2007-10-25 18:23:45 +00:00
Ted Kremenek
9749790ef5 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
37838ca8a2 typo 
llvm-svn: 43351
 2007-10-25 18:05:29 +00:00
Chris Lattner
a9a71ab2cf 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
4416849429 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
fcfc9fdd5c 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
15f9f7d669 Promote SETCC operands. 
llvm-svn: 43340
 2007-10-25 12:32:31 +00:00
Duncan Sands
28582a76eb Correctly extract the ValueType from a VTSDNode. 
llvm-svn: 43339
 2007-10-25 12:30:51 +00:00
Duncan Sands
f37520fcff Fix comment typos. 
llvm-svn: 43338
 2007-10-25 12:28:12 +00:00
Gordon Henriksen
24fecb87d5 Fleshing out docs/Passes.html for some analyses. 
llvm-svn: 43337
 2007-10-25 10:18:27 +00:00
Evan Cheng
66cbf54030 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
2fe2889448 Passes.html now 'passes' validation. 
llvm-svn: 43335
 2007-10-25 08:58:56 +00:00
Gordon Henriksen
f95443425b 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
0fbf637a85 Fix an obvious typo. 
llvm-svn: 43333
 2007-10-25 06:50:30 +00:00
Owen Anderson
df57f1e429 More tutorial cleanups. 
llvm-svn: 43332
 2007-10-25 06:49:29 +00:00
Owen Anderson
f0de089267 Add proper footers. 
llvm-svn: 43331
 2007-10-25 06:45:01 +00:00
Owen Anderson
7e56388714 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
a41ca4295a Add chapter 4, feedback appreciated. 
llvm-svn: 43329
 2007-10-25 06:23:36 +00:00
Chris Lattner
09c4d1b720 remove unimplemented ctor, add some comments. 
llvm-svn: 43328
 2007-10-25 05:19:24 +00:00
Chris Lattner
a27749831b Run the verifier on generated code. 
llvm-svn: 43327
 2007-10-25 04:30:35 +00:00
Owen Anderson
6cc4e90741 Fix for PR1741. 
llvm-svn: 43326
 2007-10-25 02:36:18 +00:00
Dale Johannesen
0d3f583c8b Testcase for PR 1397. 
llvm-svn: 43323
 2007-10-25 00:50:14 +00:00
Owen Anderson
dc3329dbf7 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
195382dce2 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
53ca1384b0 Another expansion for i64 multiply, suitable for PPC. 
llvm-svn: 43314
 2007-10-24 22:26:08 +00:00
Dale Johannesen
402c11966a 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
414ad5d4a4 Fix off by 1 bug in printf->puts lowering. 
llvm-svn: 43309
 2007-10-24 20:14:50 +00:00
Ted Kremenek
b3085f2d74 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
ae9cfd2fb0 simplify some code by using the new isNaN predicate 
llvm-svn: 43305
 2007-10-24 18:54:45 +00:00
Chris Lattner
ef90913394 add a nice predicate to check to see if nan 
llvm-svn: 43304
 2007-10-24 18:54:28 +00:00
Owen Anderson
78e6eb6e2a Update Makefile to use simpler llvm-config parameters. 
llvm-svn: 43292
 2007-10-24 16:06:42 +00:00