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2307 Commits

Author SHA1 Message Date
Anton Korobeynikov
a3c4db1161 Unbreak 
llvm-svn: 81205
 2009-09-08 07:30:03 +00:00
Evan Cheng
e1047f16e4 When remat'ing and destination virtual register has a sub-register index. Make sure the sub-register class matches the register class of the remat'ed instruction definition register class. 
llvm-svn: 81204
 2009-09-08 06:39:07 +00:00
Chris Lattner
6c02945d93 disable some irrelevant eh emission 
llvm-svn: 81200
 2009-09-08 06:26:40 +00:00
Chris Lattner
2e9f3b2865 fix PR4767, a crash because fp stackifier visited blocks in 
depth first order, so it wouldn't process unreachable blocks.
When compiling at -O0, late dead block elimination isn't done
and the bad instructions got to isel.

llvm-svn: 81187
 2009-09-08 04:55:44 +00:00
Dan Gohman
8f7b263087 Fix an abort on a store of an empty struct member. getValue returns 
null in the case of an empty struct, so don't try to call getNumValues
on it.

llvm-svn: 81180
 2009-09-08 01:44:02 +00:00
Dan Gohman
572ecc26b6 Fix a thinko: When lowering fneg with xor, bitcast the operands 
from floating-point to integer first, and bitcast the result
back to floating-point. Previously, this test was passing by
falling back to SelectionDAG lowering. The resulting code isn't
as nice, but it's correct and CodeGen now stays on the fast path.

llvm-svn: 81171
 2009-09-07 23:47:14 +00:00
Daniel Dunbar
ec3b6229d8 Don't depend on arch specific global prefix. 
llvm-svn: 81084
 2009-09-05 11:53:06 +00:00
Daniel Dunbar
a953c39b9e Eliminate uses of %prcontext. 
- I'd appreciate it if someone else eyeballs my changes to make sure I captured
   the intent of the test.

llvm-svn: 81083
 2009-09-05 11:35:16 +00:00
Bob Wilson
013dfaa93a Stabilize the order of live intervals in the priority_queue used by the 
linear scan reg alloc.  This fixes a problem I ran into where extracting
a function from a larger file caused the generated code to change (masking
the problem I was trying to debug) because the allocator behaved differently.

This changes the results for two X86 regression checks.  stack-color-with-reg
is improved, with one less instruction, but pr3495 is worse, with one more
copy.  As far as I can tell, these tests were just getting lucky or unlucky,
so I've changed the expected results.

llvm-svn: 81060
 2009-09-05 01:19:16 +00:00
Evan Cheng
46e40befe7 Run branch folding if if-converter make some transformations. 
llvm-svn: 80994
 2009-09-04 07:47:40 +00:00
Daniel Dunbar
2a64e85835 Remove stale greps. 
llvm-svn: 80986
 2009-09-04 05:07:52 +00:00
Bob Wilson
25410ac604 Convert tests to FileCheck. 
llvm-svn: 80983
 2009-09-04 04:07:19 +00:00
Bob Wilson
9e02907942 Convert a test to FileCheck. 
llvm-svn: 80975
 2009-09-04 00:32:31 +00:00
Dan Gohman
c24fb1af4f LLVM currently represents floating-point negation as -0.0 - x. Fix 
FastISel to recognize this pattern and emit a floating-point
negation using xor.

llvm-svn: 80963
 2009-09-03 22:53:57 +00:00
Daniel Dunbar
75c14da75f Remove dead greps. 
llvm-svn: 80946
 2009-09-03 20:59:02 +00:00
Dan Gohman
69e9573064 Recognize more opportunities to use SSE min and max instructions, 
swapping the operands if necessary.

llvm-svn: 80940
 2009-09-03 20:34:31 +00:00
Mon P Wang
24516ac0ca Test cases for vector shifts changes r80935 
Changed the old vector shift test to use FileCheck

llvm-svn: 80936
 2009-09-03 19:57:35 +00:00
Evan Cheng
41e87f2f13 Reference to hidden symbols do not have to go through non-lazy pointer in non-pic mode. rdar://7187172. 
llvm-svn: 80904
 2009-09-03 07:04:02 +00:00
Chris Lattner
e460c8f660 merge all the basic linux/32 pic tests together into one test. 
llvm-svn: 80902
 2009-09-03 06:29:23 +00:00
Chris Lattner
51fec7f6f6 rename test 
llvm-svn: 80901
 2009-09-03 06:16:49 +00:00
Anton Korobeynikov
7125d63acf More missed vdup patterns 
llvm-svn: 80838
 2009-09-02 21:21:28 +00:00
Bob Wilson
6972a16bbc Add support for generating code for vst{234}lane intrinsics. 
llvm-svn: 80707
 2009-09-01 18:51:56 +00:00
Bob Wilson
75b2b04e1e Fix incorrect declarations of intrinsics in this test. 
llvm-svn: 80705
 2009-09-01 18:50:43 +00:00
Bob Wilson
d638cc8869 Add test for vld{234}_lane instructions. 
llvm-svn: 80658
 2009-09-01 04:27:10 +00:00
Bob Wilson
03f5a5bfff Fix pr4843: When an instruction has multiple destination registers that are 
tied to different source registers, the TwoAddressInstructionPass needs to
be smarter.  Change it to check before replacing a source register whether
that source register is tied to a different destination register, and if so,
defer handling it until a subsequent iteration.

llvm-svn: 80654
 2009-09-01 04:18:40 +00:00
Jim Grosbach
4e0e9a4870 SJLJ is arm/darwin only for now. force the triple for the test 
llvm-svn: 80651
 2009-09-01 02:34:49 +00:00
Jim Grosbach
9a220088ac Clean up LSDA name generation and use for SJLJ exception handling. This 
makes an eggregious hack somewhat more palatable. Bringing the LSDA forward
and making it a GV available for reference would be even better, but is
beyond the scope of what I'm looking to solve at this point.

Objective C++ code could generate function names that broke the previous
scheme. This fixes that.

llvm-svn: 80649
 2009-09-01 01:57:56 +00:00
David Goodwin
0fc3764297 Don't mark a register live at an undef use. 
llvm-svn: 80621
 2009-08-31 20:47:02 +00:00
Evan Cheng
493eee1fc7 Remove .n suffix for some 16-bit opcodes now that Darwin assembler is fixed. 
llvm-svn: 80615
 2009-08-31 20:14:07 +00:00
Chris Lattner
f32c2d890c eliminate some uses of prcontext. Any help here would be appreciated :) 
llvm-svn: 80520
 2009-08-30 21:45:23 +00:00
Anton Korobeynikov
17529667db Add missed pattern 
llvm-svn: 80502
 2009-08-30 19:06:39 +00:00
Anton Korobeynikov
a261afbf14 EXTRACT_VECTOR_ELEMENT can have result type different from element type. 
Remove the assertion and generalize the code for ARM NEON stuff.

llvm-svn: 80498
 2009-08-30 17:14:54 +00:00
Dan Gohman
f7b76078bb CMOV_GR8 clobbers EFLAGS when its expansion involves an xor to set 
a register to 0. This fixes PR4814.

llvm-svn: 80445
 2009-08-29 22:19:15 +00:00
Anton Korobeynikov
b2e6f5eed4 Do not assert on too wide splats we don't support. 
llvm-svn: 80409
 2009-08-29 00:08:18 +00:00
Anton Korobeynikov
9fd6082c10 Add missed extract_element pattern 
llvm-svn: 80408
 2009-08-28 23:41:26 +00:00
Evan Cheng
d7a07ab112 Let Darwin linker auto-synthesize stubs and lazy-pointers. This deletes a bunch of nasty code in ARM asm printer. 
llvm-svn: 80404
 2009-08-28 23:18:09 +00:00
Evan Cheng
2d5d3700e9 v4, v5 does not support sxtb / sxth. 
llvm-svn: 80322
 2009-08-28 00:31:43 +00:00
Anton Korobeynikov
cb0fdc4505 scalar_to_vector is fully legal now (implemented as subreg accesses) 
llvm-svn: 80249
 2009-08-27 16:04:47 +00:00
Anton Korobeynikov
e17a92c545 Ok, sometimes it's profitable to turn scalar_to_vector stuff into subreg access. 
Add a testcase.

llvm-svn: 80246
 2009-08-27 14:51:42 +00:00
Evan Cheng
984f8efcaa Fix PR4789. Teach eliminateFrameIndex how to handle VLDRQ and VSTRQ which cannot fold any immediate offset. 
llvm-svn: 80191
 2009-08-27 01:23:50 +00:00
Dan Gohman
60fae1b2a2 X86FastISel support for loading and storing values of type i1. 
llvm-svn: 80186
 2009-08-27 00:31:47 +00:00
Dan Gohman
613d152216 Expand i8 selects into control flow instead of 16-bit conditional 
moves. This avoids the need to promote the operands (or implicitly
extend them, a partial register update condition), and can reduce
i8 register pressure. This substantially speeds up code such as
write_hex in lib/Support/raw_ostream.cpp.

subclass-coalesce.ll is too trivial and no longer tests what it was
originally intended to test.

llvm-svn: 80184
 2009-08-27 00:14:12 +00:00
Bob Wilson
c7d92cfb15 Convert some more Neon tests to FileCheck. 
llvm-svn: 80120
 2009-08-26 18:11:50 +00:00
Dale Johannesen
ca67bcd630 Alter 79292 to produce output that actually assembles. 
llvm-svn: 80119
 2009-08-26 18:10:32 +00:00
Anton Korobeynikov
1c904039ce Expand scalar_to_vector - we don't have any isel logic for it now 
llvm-svn: 80107
 2009-08-26 16:26:09 +00:00
Dan Gohman
6bd4a58365 Don't use INSERT_SUBREG to model anyext operations on x86-64, as it 
leads to partial-register definitions. To help avoid redundant
zero-extensions, also teach the h-register matching patterns that
use movzbl to match anyext as well as zext.

llvm-svn: 80099
 2009-08-26 14:59:13 +00:00
Anton Korobeynikov
6ee3a73ba1 Add dummy inline asm handling for 'r' constraint. This fixes PR4778 
llvm-svn: 80085
 2009-08-26 13:44:29 +00:00
Scott Michel
d9d9c7ef05 Updated i128 sext support for CellSPU backend, contributed by Ken Werner (IBM) 
llvm-svn: 80042
 2009-08-25 22:37:34 +00:00
Chris Lattner
8d793c7b81 remove some dead lines. 
llvm-svn: 80031
 2009-08-25 21:01:56 +00:00
Chris Lattner
102e6780cf convert to filecheck style 
llvm-svn: 80029
 2009-08-25 20:57:38 +00:00