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Author SHA1 Message Date
Devang Patel
b6ef7bc5d9 Remove unused function argument. 
llvm-svn: 36441
 2007-04-25 17:15:20 +00:00
Jeff Cohen
a7a73ccfd0 Note new header file. 
llvm-svn: 36440
 2007-04-25 17:13:18 +00:00
Anton Korobeynikov
d9de1e8852 Add missed file 
llvm-svn: 36439
 2007-04-25 16:42:39 +00:00
Lauro Ramos Venancio
d922b8ca9b remember to emit weak reference in one more case. 
llvm-svn: 36438
 2007-04-25 14:50:40 +00:00
Anton Korobeynikov
21684d3242 Regenerate 
llvm-svn: 36437
 2007-04-25 14:29:12 +00:00
Anton Korobeynikov
25dc9a61cb Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part 
will follow.

llvm-svn: 36435
 2007-04-25 14:27:10 +00:00
Evan Cheng
e884f9cb2a Fix for PR1306. 
- A register def / use now implicitly affects sub-register liveness but does
not affect liveness information of super-registers.
- Def of a larger register (if followed by a use later) is treated as
read/mod/write of a smaller register.

llvm-svn: 36434
 2007-04-25 07:30:23 +00:00
Evan Cheng
46096a692c Test if a register is sub- or super-register of another. 
llvm-svn: 36433
 2007-04-25 07:24:50 +00:00
Evan Cheng
7edd354721 Minor speed tweak. 
llvm-svn: 36432
 2007-04-25 07:24:13 +00:00
Evan Cheng
4f48ec6738 Clean up. 
llvm-svn: 36431
 2007-04-25 07:18:20 +00:00
Evan Cheng
de9468373e Relex assertions to account for additional implicit def / use operands. 
llvm-svn: 36430
 2007-04-25 07:12:14 +00:00
Chris Lattner
e0e5106141 If an alloca only has two types of uses: 1) reads 2) a memcpy/memmove that 
copies from a constant global, then we can change the reads to read from the
global instead of from the alloca.  This eliminates the alloca and the memcpy,
and promotes secondary optimizations (because the loads are now loads from
a constant global).

This is important for a common C idiom:

void foo() {
   int A[] = {1,2,3,4,5,6,7,8,9...};
   ... only reads of A ...
}

For some reason, people forget to mark the array static or const.

This triggers on these multisource benchmarks:
JM/ldecode: block_pos, [3 x [4 x [4 x i32]]]
FreeBench/mason: m, [18 x i32], inlined 4 times
MiBench/office-stringsearch: search_strings, [1332 x i8*]
MiBench/office-stringsearch: find_strings, [1333 x i8*]
Prolangs-C++/city: dirs, [9 x i8*], inlined 4 places

and these spec benchmarks:
177.mesa: message, [8 x [32 x i8]]
186.crafty: bias_rl45, [64 x i32]
186.crafty: diag_sq, [64 x i32]
186.crafty: empty, [9 x i8]
186.crafty: xlate, [15 x i8]
186.crafty: status, [13 x i8]
186.crafty: bdinfo, [25 x i8]
445.gobmk: routines, [16 x i8*]
458.sjeng: piece_rep, [14 x i8*]
458.sjeng: t, [13 x i32], inlined 4 places.
464.h264ref: block8x8_idx, [3 x [4 x [4 x i32]]]
464.h264ref: block_pos, [3 x [4 x [4 x i32]]]
464.h264ref: j_off_tab, [12 x i32]

This implements Transforms/ScalarRepl/memcpy-from-global.ll

llvm-svn: 36429
 2007-04-25 06:40:51 +00:00
Chris Lattner
c9f600b6a4 new testcase, should be able to eliminate the alloca and memcpy 
llvm-svn: 36428
 2007-04-25 06:29:34 +00:00
Chris Lattner
cb6020a638 simplify some code 
llvm-svn: 36427
 2007-04-25 05:49:09 +00:00
Chris Lattner
cf27f9705f refactor the SROA code out into its own method, no functionality change. 
llvm-svn: 36426
 2007-04-25 05:02:56 +00:00
Chris Lattner
ca7480e8cb support for >4G stack frames 
llvm-svn: 36425
 2007-04-25 04:30:24 +00:00
Chris Lattner
893d87cda5 support for >4G frames 
llvm-svn: 36424
 2007-04-25 04:29:06 +00:00
Chris Lattner
452294cb99 support >4G stack frames 
llvm-svn: 36423
 2007-04-25 04:25:10 +00:00
Chris Lattner
a2b590fff8 support > 4G stack objects 
llvm-svn: 36422
 2007-04-25 04:20:54 +00:00
Owen Anderson
d0af582609 Undo my previous changes. Since my approach to this problem is being revised, 
this approach is no longer appropriate.

llvm-svn: 36421
 2007-04-25 04:18:54 +00:00
Chris Lattner
8860742825 allow support for 64-bit stack objects 
llvm-svn: 36420
 2007-04-25 04:08:28 +00:00
Chris Lattner
4a45c98b6f allow 64-bit stack objects 
llvm-svn: 36419
 2007-04-25 04:07:31 +00:00
Chris Lattner
4351f89ca1 new testcase 
llvm-svn: 36418
 2007-04-25 01:51:33 +00:00
Devang Patel
938e0db5e3 Fix 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070423/048376.html

llvm-svn: 36417
 2007-04-25 00:37:04 +00:00
Devang Patel
242d109f63 New test. 
llvm-svn: 36416
 2007-04-25 00:35:37 +00:00
Chris Lattner
bcc8d13861 testcase for PR1352 
llvm-svn: 36415
 2007-04-25 00:26:05 +00:00
Dale Johannesen
3e0e3a494b fix typo 
llvm-svn: 36414
 2007-04-25 00:14:49 +00:00
Chris Lattner
64bb6c0a08 Be more careful about folding op(x, undef) when we have vector operands. 
This fixes CodeGen/X86/2007-04-24-VectorCrash.ll

llvm-svn: 36413
 2007-04-25 00:00:45 +00:00
Chris Lattner
a5b8a2b50e new testcase that crashes llc 
llvm-svn: 36412
 2007-04-25 00:00:12 +00:00
Dale Johannesen
bf8a07cdb9 Add me 
llvm-svn: 36411
 2007-04-24 23:48:30 +00:00
Chris Lattner
583fd8343e Fix PR1351 and CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll 
llvm-svn: 36410
 2007-04-24 22:51:03 +00:00
Chris Lattner
f20a2f1083 testcase for PR1351 
llvm-svn: 36409
 2007-04-24 22:49:57 +00:00
Bill Wendling
c41beb8e13 Testcases for MMX. 
llvm-svn: 36408
 2007-04-24 22:28:30 +00:00
Bill Wendling
8127d9ce82 Update. 
llvm-svn: 36407
 2007-04-24 21:20:03 +00:00
Bill Wendling
54134a37e0 Add the PADDQ to the list. 
llvm-svn: 36406
 2007-04-24 21:19:14 +00:00
Bill Wendling
498c102df6 Add the final MMX instructions. Correct a few wrong patterns. 
llvm-svn: 36405
 2007-04-24 21:18:37 +00:00
Bill Wendling
fed8496c6b Remove some invalid instructions from this check. 
llvm-svn: 36404
 2007-04-24 21:17:46 +00:00
Bill Wendling
6856e741fa Support for the special case of a vector with the canonical form: 
vector_shuffle v1, v2, <2, 6, 3, 7>

I.e.

         vector_shuffle v, undef, <2, 2, 3, 3>

MMX only has a shuffle for v4i16 vectors. It needs to use the unpackh for
this type of operation.

llvm-svn: 36403
 2007-04-24 21:16:55 +00:00
Bill Wendling
b3b0427654 Assertion when using a 1-element vector for an add operation. Get the 
real vector type in this case.

llvm-svn: 36402
 2007-04-24 21:13:23 +00:00
Devang Patel
cf0efbd454 New test. 
llvm-svn: 36401
 2007-04-24 21:05:52 +00:00
Devang Patel
ad19e20a45 New test case. 
llvm-svn: 36400
 2007-04-24 19:24:39 +00:00
Devang Patel
c2b860bcf0 Add myself. 
llvm-svn: 36399
 2007-04-24 18:49:33 +00:00
Chris Lattner
2d9d9a4bcf ensure that every error return sets a message (and goes through Error, for 
easy breakpointing).

Fix bugs reading constantexpr geps.  We now can disassemble kc++ global
initializers.

llvm-svn: 36398
 2007-04-24 18:15:21 +00:00
Chris Lattner
107680bd42 fix memory leak 
llvm-svn: 36397
 2007-04-24 17:22:05 +00:00
Chris Lattner
3cceed4230 fix a memory leak 
llvm-svn: 36396
 2007-04-24 17:20:52 +00:00
Chris Lattner
61f8d0e81c comentate 
llvm-svn: 36395
 2007-04-24 15:54:42 +00:00
Chris Lattner
30fd018c93 implement reading and writing of constant exprs. 
llvm-svn: 36394
 2007-04-24 07:07:11 +00:00
Chris Lattner
5ae162a9d2 add records for constant exprs 
llvm-svn: 36393
 2007-04-24 07:03:08 +00:00
Owen Anderson
df3ece8561 Rollback some changes that adversely affected performance. I'm currently rethinking 
my approach to this, so hopefully I'll find a way to do this without making this slower.

llvm-svn: 36392
 2007-04-24 06:40:39 +00:00
Chris Lattner
ce97f22311 implement support for reading aggregate constants, including handling forward 
constant references, etc.

llvm-svn: 36391
 2007-04-24 05:48:56 +00:00