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31989 Commits

Author SHA1 Message Date
Evan Cheng d21968d11a Change UsedPhysRegs from array bool to BitVector to save some space. Setting / getting its states now go through MachineFunction. 
llvm-svn: 36451
 2007-04-25 22:10:09 +00:00
Bill Wendling 9b8d17db61 Testcase for codegen bug. 
llvm-svn: 36450
 2007-04-25 21:58:17 +00:00
Evan Cheng d4549c5527 Clean up. 
llvm-svn: 36449
 2007-04-25 21:34:08 +00:00
Bill Wendling 157d7ee7e5 Add SSSE3 as a feature of Core2. Add MMX registers to the list of registers 
clobbered by a call.

llvm-svn: 36448
 2007-04-25 21:31:48 +00:00
Evan Cheng 0fbe14ab87 Data structure change to improve compile time (especially in debug mode). 
llvm-svn: 36447
 2007-04-25 19:34:00 +00:00
Devang Patel 7f7b8985f8 Mem2Reg does not need TargetData. 
llvm-svn: 36446
 2007-04-25 18:41:11 +00:00
Evan Cheng 15f269afa3 This was lefted out. Fixed sumarray-dbl. 
llvm-svn: 36445
 2007-04-25 18:33:21 +00:00
Devang Patel d3ccc073a2 Mem2Reg does not need TargetData. 
llvm-svn: 36444
 2007-04-25 18:32:35 +00:00
Anton Korobeynikov 5e4e8f5e09 Add missed semicolon. Resotre compatibility with older bisons 
llvm-svn: 36443
 2007-04-25 18:07:40 +00:00
Chris Lattner d20cd6658a do the multiplication as signed, so that 2*-2 == -4 instead of 4294967292 
when promoted to 64-bits

llvm-svn: 36442
 2007-04-25 17:23:53 +00:00
Devang Patel 073be55d8e Remove unused function argument. 
llvm-svn: 36441
 2007-04-25 17:15:20 +00:00
Jeff Cohen c7f7b5162f Note new header file. 
llvm-svn: 36440
 2007-04-25 17:13:18 +00:00
Anton Korobeynikov cb5b13a0b8 Add missed file 
llvm-svn: 36439
 2007-04-25 16:42:39 +00:00
Lauro Ramos Venancio 4ae9425bb6 remember to emit weak reference in one more case. 
llvm-svn: 36438
 2007-04-25 14:50:40 +00:00
Anton Korobeynikov e9fcbefa9a Regenerate 
llvm-svn: 36437
 2007-04-25 14:29:12 +00:00
Anton Korobeynikov a97b694c82 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 7818c03c6b 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 93e3a2e6f7 Test if a register is sub- or super-register of another. 
llvm-svn: 36433
 2007-04-25 07:24:50 +00:00
Evan Cheng 559fae748c Minor speed tweak. 
llvm-svn: 36432
 2007-04-25 07:24:13 +00:00
Evan Cheng 11dc5abde1 Clean up. 
llvm-svn: 36431
 2007-04-25 07:18:20 +00:00
Evan Cheng 8cd224e81c Relex assertions to account for additional implicit def / use operands. 
llvm-svn: 36430
 2007-04-25 07:12:14 +00:00
Chris Lattner 827cb98a0a 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 7ebda6ba37 new testcase, should be able to eliminate the alloca and memcpy 
llvm-svn: 36428
 2007-04-25 06:29:34 +00:00
Chris Lattner bbe9b8a12f simplify some code 
llvm-svn: 36427
 2007-04-25 05:49:09 +00:00
Chris Lattner 31e5addb67 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 b975bebec1 support for >4G stack frames 
llvm-svn: 36425
 2007-04-25 04:30:24 +00:00
Chris Lattner 868d969081 support for >4G frames 
llvm-svn: 36424
 2007-04-25 04:29:06 +00:00
Chris Lattner 1ef35a2721 support >4G stack frames 
llvm-svn: 36423
 2007-04-25 04:25:10 +00:00
Chris Lattner 9bd98ea4c1 support > 4G stack objects 
llvm-svn: 36422
 2007-04-25 04:20:54 +00:00
Owen Anderson 510fefcd8a 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 cb0ed0cfbd allow support for 64-bit stack objects 
llvm-svn: 36420
 2007-04-25 04:08:28 +00:00
Chris Lattner 7bf18ba0a2 allow 64-bit stack objects 
llvm-svn: 36419
 2007-04-25 04:07:31 +00:00
Chris Lattner 5ec45c5b90 new testcase 
llvm-svn: 36418
 2007-04-25 01:51:33 +00:00
Devang Patel d3208523b2 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 206baa4425 New test. 
llvm-svn: 36416
 2007-04-25 00:35:37 +00:00
Chris Lattner d7c51e5423 testcase for PR1352 
llvm-svn: 36415
 2007-04-25 00:26:05 +00:00
Dale Johannesen 78dd0b2d3c fix typo 
llvm-svn: 36414
 2007-04-25 00:14:49 +00:00
Chris Lattner 01a26c74ae 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 61e8297c44 new testcase that crashes llc 
llvm-svn: 36412
 2007-04-25 00:00:12 +00:00
Dale Johannesen 1d0d138fa6 Add me 
llvm-svn: 36411
 2007-04-24 23:48:30 +00:00
Chris Lattner cb35c61a4b 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 02ba563c82 testcase for PR1351 
llvm-svn: 36409
 2007-04-24 22:49:57 +00:00
Bill Wendling f4fb685122 Testcases for MMX. 
llvm-svn: 36408
 2007-04-24 22:28:30 +00:00
Bill Wendling a784d875be Update. 
llvm-svn: 36407
 2007-04-24 21:20:03 +00:00
Bill Wendling b3b6c35beb Add the PADDQ to the list. 
llvm-svn: 36406
 2007-04-24 21:19:14 +00:00
Bill Wendling 5c7f25632e Add the final MMX instructions. Correct a few wrong patterns. 
llvm-svn: 36405
 2007-04-24 21:18:37 +00:00
Bill Wendling e2324ca17d Remove some invalid instructions from this check. 
llvm-svn: 36404
 2007-04-24 21:17:46 +00:00
Bill Wendling 591eab8844 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 47917b697f 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 895fa7acac New test. 
llvm-svn: 36401
 2007-04-24 21:05:52 +00:00