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18480 Commits

Author SHA1 Message Date
Evan Cheng
c6fa6cb4c5 Fix for PR1348. If stack inc / dec amount is > 32-bits, issue a series of add / sub instructions. 
llvm-svn: 36456
 2007-04-26 01:09:28 +00:00
Bill Wendling
6968d3cb0d Quiet a compiler warning about assignment in an if-then conditional. 
llvm-svn: 36454
 2007-04-25 23:52:02 +00:00
Evan Cheng
7f44e880dc Match MachineFunction::UsedPhysRegs changes. 
llvm-svn: 36452
 2007-04-25 22:13:27 +00:00
Evan Cheng
132ea465a1 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
Evan Cheng
c3b686ff44 Clean up. 
llvm-svn: 36449
 2007-04-25 21:34:08 +00:00
Bill Wendling
552e4ff1be 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
e464e596a6 Data structure change to improve compile time (especially in debug mode). 
llvm-svn: 36447
 2007-04-25 19:34:00 +00:00
Evan Cheng
c713a5ea36 This was lefted out. Fixed sumarray-dbl. 
llvm-svn: 36445
 2007-04-25 18:33:21 +00:00
Devang Patel
e5765bd115 Mem2Reg does not need TargetData. 
llvm-svn: 36444
 2007-04-25 18:32:35 +00:00
Anton Korobeynikov
60f5a47a64 Add missed semicolon. Resotre compatibility with older bisons 
llvm-svn: 36443
 2007-04-25 18:07:40 +00:00
Chris Lattner
fd730d86e3 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
b6ef7bc5d9 Remove unused function argument. 
llvm-svn: 36441
 2007-04-25 17:15:20 +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
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
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
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
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
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
583fd8343e Fix PR1351 and CodeGen/PowerPC/2007-04-24-InlineAsm-I-Modifier.ll 
llvm-svn: 36410
 2007-04-24 22:51:03 +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
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
30fd018c93 implement reading and writing of constant exprs. 
llvm-svn: 36394
 2007-04-24 07:07:11 +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
Chris Lattner
77c83b943d add supprot for FP constants, wide integers, and fix the encoding of MININT 
llvm-svn: 36390
 2007-04-24 04:04:35 +00:00
Chris Lattner
eff23e347b read basic constants: null, undef, integers <= 64bits 
llvm-svn: 36389
 2007-04-24 03:30:34 +00:00
Chris Lattner
d5749518a1 fix off-by-one computing size for section abbrevs 
llvm-svn: 36388
 2007-04-24 03:29:47 +00:00
Scott Michel
5a33297ae3 Use '-1U' where '-1UL' is obvious overkill, eliminating gcc warnings about 
tests always being true in the process.

llvm-svn: 36387
 2007-04-24 01:24:20 +00:00
Chris Lattner
67dedcbc58 move check to the right place :) 
llvm-svn: 36386
 2007-04-24 00:21:45 +00:00
Chris Lattner
e1a864cccf track global inits 
llvm-svn: 36385
 2007-04-24 00:18:21 +00:00
Chris Lattner
dd8df9ae56 Emit module-level constants. 
llvm-svn: 36384
 2007-04-24 00:16:04 +00:00
Dale Johannesen
c878c6c2ed modify per review commentary 
llvm-svn: 36383
 2007-04-23 23:33:31 +00:00
Devang Patel
6a9016dcf7 Fix 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070423/048333.html

llvm-svn: 36380
 2007-04-23 22:42:03 +00:00