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ab7c8c091e
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1043 Commits

Author SHA1 Message Date
Bill Wendling
ab7c8c091e Add support for the __sync_sub_and_fetch atomics and friends for X86. The code 
was already present, but not hooked up to anything.

llvm-svn: 55018
 2008-08-19 23:09:18 +00:00
Dan Gohman
d5c84e8061 Fast-isel is now *minimally* functional. Add a testcase to 
demonstrate the extent of its capabilities. Note that it
only attempts to operate on one of the blocks in this
testcase.

llvm-svn: 55016
 2008-08-19 22:37:59 +00:00
Dale Johannesen
15b76de064 Add support for 8 and 16 bit forms of __sync 
builtins on X86.

Change "lock" instructions to be on a separate line.
This is needed to work around a bug in the Darwin
assembler.

llvm-svn: 54999
 2008-08-19 18:47:28 +00:00
Evan Cheng
6534c78383 Fix a (u)comiss intrinsic lowering bug. It was using anyext which can return junk in higher bits. Patch by Nate Begeman. 
llvm-svn: 54903
 2008-08-17 19:22:34 +00:00
Dan Gohman
b0f5e18201 Improve support for vector casts in LLVM IR and CodeGen. 
llvm-svn: 54784
 2008-08-14 20:04:46 +00:00
Dan Gohman
096cdc6059 Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes with 
non-constant indices. Only a few of the peephole checks require
a constant index.

llvm-svn: 54764
 2008-08-13 21:51:37 +00:00
Dan Gohman
6789ef32d7 Improve the grep commands for this test to be tolerant of ABI 
differences, and to be more specific.

llvm-svn: 54648
 2008-08-11 20:10:41 +00:00
Dan Gohman
a27ed39f05 Take the FrameOffset into account when computing the alignment 
of stack objects. This fixes PR2656.

llvm-svn: 54646
 2008-08-11 18:27:03 +00:00
Dan Gohman
ac992cdc1c Add an EXTRACTPSmr pattern to match the pattern that 
X86ISelLowering creates.

llvm-svn: 54544
 2008-08-08 18:30:21 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Nick Lewycky
19a341cf57 Don't crash printing the asm for a ConstantExpr PtrToInt just because the int 
is narrower than the pointer. This testcase emits:

  .byte (((17) - 16) & 255)

llvm-svn: 54517
 2008-08-08 06:34:07 +00:00
Bruno Cardoso Lopes
f8906a40ab Support added for ctlz intrinsic, test case added. 
llvm-svn: 54516
 2008-08-08 06:16:31 +00:00
Bruno Cardoso Lopes
91abeb9458 [Last] Batch 7 of Mips CodeGen tests 
llvm-svn: 54512
 2008-08-08 04:12:42 +00:00
Bruno Cardoso Lopes
c4f524b9d1 Batch 6 of Mips CodeGen tests 
llvm-svn: 54511
 2008-08-08 04:11:30 +00:00
Bruno Cardoso Lopes
772cf1643c Batch 5 of Mips CodeGen tests 
llvm-svn: 54510
 2008-08-08 04:09:57 +00:00
Bruno Cardoso Lopes
7d4b844ee8 Batch 4 of Mips CodeGen tests 
llvm-svn: 54509
 2008-08-08 04:08:30 +00:00
Bruno Cardoso Lopes
06380b7221 Batch 3 of Mips CodeGen tests 
llvm-svn: 54508
 2008-08-08 04:05:51 +00:00
Bruno Cardoso Lopes
96efb82258 Batch 2 of Mips CodeGen tests 
llvm-svn: 54507
 2008-08-08 04:03:25 +00:00
Bruno Cardoso Lopes
42b4e15d50 Batch 1 of Mips CodeGen tests, more coming... 
I had a lot of simple local codegen tests and they are now ready to be placed
in test/CodeGen. 

llvm-svn: 54506
 2008-08-08 03:58:34 +00:00
Anton Korobeynikov
52d0ff92cc Print section flags ok on platforms, which use '@' as comment string. Fix test. 
llvm-svn: 54460
 2008-08-07 09:55:06 +00:00
Dan Gohman
74fa421281 Re-enable elimination of unnecessary SUBREG_TO_REG instructions in 
LowerSubregs, and fix an x86-64 isel bug that this exposed.

SUBREG_TO_REG for x86-64 implicit zero extension is only safe for
isel to generate when the source is known to always have zeros in
the high 32 bits. The EXTRACT_SUBREG instruction does not clear
the high 32 bits.

llvm-svn: 54444
 2008-08-07 02:54:50 +00:00
Dan Gohman
1674a7c2f3 Add an extra example that shouldn't get an and instruction. 
llvm-svn: 54443
 2008-08-07 02:23:06 +00:00
Dan Gohman
cc784f1662 Re-introduce the 8-bit subreg zext-inreg patterns for x86-32, 
this time using MOV32to32_ and MOV16to16_. Thanks to Evan for
suggesting this.

llvm-svn: 54418
 2008-08-06 18:27:21 +00:00
Evan Cheng
f4d1119fbd Fix PR2620: Fix X86cmppd selection code so it expects operands to be v2f64. 
llvm-svn: 54376
 2008-08-05 22:19:15 +00:00
Evan Cheng
a07795a0c3 Fix PR2596: out of bound reference. 
llvm-svn: 54375
 2008-08-05 21:51:46 +00:00
Owen Anderson
d1185e4da3 Update the remaining tests not to use -disable-correct-folding, and remove two 
that couldn't be updated.

llvm-svn: 54359
 2008-08-05 18:19:14 +00:00
Owen Anderson
117b0e405d One more -disable-correct-folding case removed. 
llvm-svn: 54358
 2008-08-05 18:08:56 +00:00
Owen Anderson
c5fd801d85 Remove another -disable-correct-folding use. 
llvm-svn: 54357
 2008-08-05 18:05:58 +00:00
Owen Anderson
f845ea8d52 Eliminate another use of -disable-correct-folding. 
llvm-svn: 54356
 2008-08-05 18:03:01 +00:00
Owen Anderson
4c7ea0c270 This check is unnecessary, and getting rid of it removes a use of -disable-correct-folding. 
llvm-svn: 54355
 2008-08-05 17:52:54 +00:00
Owen Anderson
7fca48d0bd Remove the need for -disable-correct-folding from this test. 
llvm-svn: 54354
 2008-08-05 17:49:52 +00:00
Evan Cheng
754148a2ec Fix PR2568: Fix bug that cause redudant kill marker after its live interval has been extended due to coalescing. 
llvm-svn: 54346
 2008-08-05 07:10:38 +00:00
Owen Anderson
231111faf9 Update these tests to work by disabling the new correct CFG generation. This flag should ONLY be used to for tests like these. 
llvm-svn: 54334
 2008-08-04 23:55:29 +00:00
Dan Gohman
60ea311ec8 Fix SDISel lowering of PHI nodes to use ComputeValueVTs. 
This allows it to work correctly on aggregate values.
This fixes PR2623.

llvm-svn: 54331
 2008-08-04 23:42:46 +00:00
Dan Gohman
af429b3e52 Fix SDISel lowering of zeroinitializer and undef to use ComputeValueVTs. 
This allows it to work correctly on nested aggregate values.
This fixes PR2625.

llvm-svn: 54330
 2008-08-04 23:30:41 +00:00
Dale Johannesen
c1ae4b8c08 Make sse2 explicit, for non-x86 hosts. 
llvm-svn: 54251
 2008-07-31 20:16:33 +00:00
Dan Gohman
f691fc703d Improve dagcombining for sext-loads and sext-in-reg nodes. 
llvm-svn: 54239
 2008-07-31 00:50:31 +00:00
Dan Gohman
4ca56a8993 Don't look for leaf values to store when lowering stores of 
empty structs. This fixes PR2612.

llvm-svn: 54226
 2008-07-30 18:36:51 +00:00
Dan Gohman
6f3fa16fd9 I missed this file in r54223. movzbl is now used instead 
of movzbw here.

llvm-svn: 54224
 2008-07-30 18:23:34 +00:00
Dan Gohman
efb5d2ce6e Reapply r54147 with a constraint to only use the 8-bit 
subreg form on x86-64, to avoid the problem with x86-32
having GPRs that don't have 8-bit subregs.

Also, change several 16-bit instructions to use 
equivalent 32-bit instructions. These have a smaller
encoding and avoid partial-register updates.

llvm-svn: 54223
 2008-07-30 18:09:17 +00:00
Mon P Wang
fb483982f5 Added support for overloading intrinsics (atomics) based on pointers 
to different address spaces.  This alters the naming scheme for those
intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32

llvm-svn: 54195
 2008-07-30 04:36:53 +00:00
Duncan Sands
c3d73fbfc0 Fix PR2609. If a label is deleted, then it needs 
to be marked invalid regardless of whether it is
a debug, an exception handling or (hopefully) a
GC label.

llvm-svn: 54172
 2008-07-29 20:56:02 +00:00
Dan Gohman
ebe629a4b2 Revert 54147. 
llvm-svn: 54148
 2008-07-29 01:02:18 +00:00
Dan Gohman
1816900fd1 Add x86 isel patterns to match what would be a ZERO_EXTEND_INREG operation, 
which is represented in codegen as an 'and' operation. This matches them
with movz instructions, instead of leaving them to be matched by and
instructions with an immediate field.

llvm-svn: 54147
 2008-07-28 22:18:25 +00:00
Dan Gohman
a5a50a8853 Fix embedded CRLF characters. 
llvm-svn: 54125
 2008-07-27 18:37:58 +00:00
Nate Begeman
1396e3d206 Fix test RUN line 
llvm-svn: 54040
 2008-07-25 19:08:59 +00:00
Nate Begeman
5523d40e4b Disable mov{L, LP, HP, HLP, *DUP} shuffles for mmx 
mmx needs its own fancy shuffle logic based on unpack; for now we get correct but awful code.

Also commit Mon Ping's VSETCC patch

llvm-svn: 54039
 2008-07-25 19:05:58 +00:00
Dan Gohman
6d394147f2 This test needs -aggressive-remat enabled. 
llvm-svn: 54015
 2008-07-25 15:25:32 +00:00
Evan Cheng
d4eb684258 Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589. 
llvm-svn: 54004
 2008-07-25 00:55:17 +00:00
Dan Gohman
680e1bd958 Enable rematerialization of constants using AliasAnalysis::pointsToConstantMemory, 
and knowledge of PseudoSourceValues. This unfortunately isn't sufficient to allow
constants to be rematerialized in PIC mode -- the extra indirection is a
complication.

llvm-svn: 54000
 2008-07-25 00:02:30 +00:00