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Author SHA1 Message Date
Chris Lattner
d1bb8c0277 move a massive amount of code out into its own helper function 
to reduce nesting.  This needs to be turned into a table.

llvm-svn: 126366
 2011-02-24 07:12:12 +00:00
Chris Lattner
72a2ebab6c change instcombine to not turn a call to non-varargs bitcast of 
function prototype into a call to a varargs prototype.  We do
allow the xform if we have a definition, but otherwise we don't
want to risk that we're changing the abi in a subtle way.  On
X86-64, for example, varargs require passing stuff in %al.

llvm-svn: 126363
 2011-02-24 05:10:56 +00:00
Evan Cheng
9db7b1367d Fix bug in X86 folding / unfolding table. Int_CMPSDrm and Int_CMPSSrm memory 
operands starts at index 2, not 1.
rdar://9045024
PR9305

llvm-svn: 126359
 2011-02-24 02:36:52 +00:00
Jakob Stoklund Olesen
0f1be641db Use the same spill slot for all live ranges that descend form the same original 
register.

This avoids some silly stack slot shuffling when both sides of a copy get
spilled.

llvm-svn: 126353
 2011-02-24 01:07:55 +00:00
Michael J. Spencer
3c784e25d6 Depricate PathV1::isAbsolute. 
llvm-svn: 126348
 2011-02-24 01:02:32 +00:00
Devang Patel
e8ade74a52 Use DW_FORM_data2 for DW_AT_language and let users use DW_LANG_lo_user=0x8000 to DW_LANG_hi_user=0xffff range. 
llvm-svn: 126339
 2011-02-23 22:37:04 +00:00
Devang Patel
dc0160e163 Check only relevant strings in output to increase stability of the tests. 
llvm-svn: 126338
 2011-02-23 22:35:57 +00:00
Jim Grosbach
d8032abf70 Remove file. Previous commit deleted content, but left the file around. 
llvm-svn: 126337
 2011-02-23 21:43:31 +00:00
Jim Grosbach
e7be1f2990 Revert r125595, which is an X86-only undocumented assembly syntax extension 
enabled for all targets. Non-X86 targets should not have this behavior
enabled by default.

Joerg, if you would like to resubmit with the behavior conditionalized to be
X86-ELF only, that's fine.

llvm-svn: 126336
 2011-02-23 21:26:51 +00:00
Rafael Espindola
993a4ef35c Put in the symbol table symbols only used in a .globl statement. 
Fixes PR9292.

llvm-svn: 126330
 2011-02-23 20:22:07 +00:00
Richard Osborne
d9564589f6 Add XCore intrinsic for clre instruction. 
llvm-svn: 126322
 2011-02-23 18:52:05 +00:00
Richard Osborne
4a55817288 Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enable 
events on the thread and wait until a resource is ready to event. The vector
of the resource that is ready is returned.

llvm-svn: 126320
 2011-02-23 18:35:59 +00:00
Jakob Stoklund Olesen
5edc1f287b It is safe to ignore LastSplitPoint when the variable is not live out. 
No code will be inserted after the split point anyway.

llvm-svn: 126319
 2011-02-23 18:26:31 +00:00
Richard Osborne
aaac1b01fd Add XCore intrinsic for the setv instruction. 
llvm-svn: 126315
 2011-02-23 16:46:37 +00:00
Richard Osborne
2374e9683e Fix format for setc instruction. 
llvm-svn: 126314
 2011-02-23 15:20:16 +00:00
Richard Osborne
aa39bf94b4 Add XCore intrinsic for settw instruction. 
llvm-svn: 126313
 2011-02-23 14:45:03 +00:00
Frits van Bommel
68294aa16c Implement TODO for implicit C-array-to-ArrayRef conversion. 
llvm-svn: 126311
 2011-02-23 13:43:06 +00:00
Oscar Fuentes
c5598c7531 Export TARGET_TRIPLE on LLVM.cmake. It is necessary for running tests 
on Clang when it builds using LLVM as an external library.

Fixes PR9293.

llvm-svn: 126309
 2011-02-23 11:28:40 +00:00
Sean Callanan
e1308394f1 Fixed a bug in the enhanced disassembler that caused 
it to ignore valid uses of FS and GS as additional
base registers in address computations.  Added a test
case for this.

llvm-svn: 126302
 2011-02-23 03:31:28 +00:00
Sean Callanan
d7e66a8942 Fixed a bug in the enhanced disassembly tester that 
caused it to only parse one line of input.

llvm-svn: 126301
 2011-02-23 03:29:41 +00:00
Evan Cheng
98e040ea71 Change VFPNeonA8 definition to make the code easier to read. 
llvm-svn: 126298
 2011-02-23 02:35:33 +00:00
Stuart Hastings
c0c38e8673 Omit private_extern declarations of extern symbols; followup to 
r124468.  Patch by Rafael Avila de Espindola!

llvm-svn: 126297
 2011-02-23 02:27:05 +00:00
Evan Cheng
da40bcab44 More fcopysign correctness and performance fix. 
The previous codegen for the slow path (when values are in VFP / NEON
registers) was incorrect if the source is NaN.

The new codegen uses NEON vbsl instruction to copy the sign bit. e.g.
        vmov.i32        d1, #0x80000000
        vbsl    d1, d2, d0
If NEON is not available, it uses integer instructions to copy the sign bit.
rdar://9034702

llvm-svn: 126295
 2011-02-23 02:24:55 +00:00
Jakob Stoklund Olesen
17add01160 Keep track of how many times a live range has been dequeued, and prioritize new ranges. 
When a large live range is evicted, it will usually be split when it comes
around again. By deferring evicted live ranges, the splitting happens at a time
when the interference pattern is more realistic. This prevents repeated
splitting and evictions.

llvm-svn: 126282
 2011-02-23 00:56:56 +00:00
Jakob Stoklund Olesen
18a19b665c Fix a bug in determining if there is only a single interfering register. 
llvm-svn: 126277
 2011-02-23 00:29:55 +00:00
Jakob Stoklund Olesen
58efee5c3e Be more aggressive about evicting interference. 
Use interval sizes instead of spill weights to determine if it is legal to evict
interference. A smaller interval can evict interference if all interfering live
ranges are larger.

Allow multiple interferences to be evicted as along as they are all larger than
the live range being allocated.

Spill weights are still used to select the preferred eviction candidate.

llvm-svn: 126276
 2011-02-23 00:29:52 +00:00
David Greene
7b0539174a [AVX] General VUNPCKL codegen support. 
llvm-svn: 126264
 2011-02-22 23:31:46 +00:00
David Greene
f37b51af6b Fix Builder::execute() to more properly pass the desired environment 
to tools.

llvm-svn: 126263
 2011-02-22 23:30:45 +00:00
Jakob Stoklund Olesen
505c6fac89 Change the RAGreedy register assignment order so large live ranges are allocated first. 
This is based on the observation that long live ranges are more difficult to
allocate, so there is a better chance of solving the puzzle by handling the big
pieces first. The allocator will evict and split long alive ranges when they get
in the way.

RABasic is still using spill weights for its priority queue, so the interface to
the queue has been virtualized.

llvm-svn: 126259
 2011-02-22 23:01:52 +00:00
Jakob Stoklund Olesen
5b9699abdd 80 Col. 
llvm-svn: 126258
 2011-02-22 23:01:49 +00:00
Nick Lewycky
0c9c9c5beb Fix C++0x incompatibility. The signature of std::make_pair<> changes from: 
template <class T1, class T2> pair<T1,T2> make_pair(const T1&, const T2&);
to
  template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
so explicitly specifying the template arguments to make_pair<> is going to break
when C++0x rolls through. Replace them with equivalent std::pair<>. Patch by
James Dennett!

llvm-svn: 126256
 2011-02-22 22:48:47 +00:00
Cameron Zwarich
c5fa112a70 Make LoopDeletion work on loops with multiple edges, as long as the incoming 
values from all of the loop's exiting blocks are equal. Patch by Andrew Clinton.

llvm-svn: 126253
 2011-02-22 22:25:39 +00:00
Joerg Sonnenberger
67e0eb235d Use the same (%dx) hack for in[bwl] as for out[bwl]. 
llvm-svn: 126244
 2011-02-22 20:40:09 +00:00
Evan Cheng
f540b0e0f6 VFP single precision arith instructions can go down to NEON pipeline, but on Cortex-A8 only. 
llvm-svn: 126238
 2011-02-22 19:53:14 +00:00
Devang Patel
74d085657f Follow LLVM coding style. 
clang uses DBuilder, so it requries corresponding change.

llvm-svn: 126231
 2011-02-22 18:56:12 +00:00
Roman Divacky
f028b1614b Stack alignment is 16 bytes on FreeBSD/i386 too. 
llvm-svn: 126226
 2011-02-22 17:30:05 +00:00
Joerg Sonnenberger
cbdd830a75 Bug#9172: Don't use static in file scope, use an attribute on the 
parser.

llvm-svn: 126225
 2011-02-22 16:53:11 +00:00
Oscar Fuentes
25ad44254b CMake: remove unnecessary variable. 
llvm-svn: 126224
 2011-02-22 15:40:20 +00:00
Cameron Zwarich
bde7e8b3e0 MachineConstantPoolValues are not uniqued, so they need to be freed if they 
share entries. Add a DenseSet to MachineConstantPool for the MachineCPVs that
it owns.

This will hopefully fix the MC/ARM/elf-reloc-01.ll failure on the leaks bots.

llvm-svn: 126218
 2011-02-22 08:54:30 +00:00
NAKAMURA Takumi
c59b707d50 Revert r126195, "test/CodeGen/X86/vec_cast.ll: Mark as XFAIL: migw,win32 for workaround of PR8311." 
It seems it affected configuration --target=i686-pc-mingw32, I don't know and will investigate why.

llvm-svn: 126217
 2011-02-22 08:22:54 +00:00
NAKAMURA Takumi
5663670e56 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126216
 2011-02-22 07:21:59 +00:00
NAKAMURA Takumi
d1a4c5b79b Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126215
 2011-02-22 07:21:51 +00:00
NAKAMURA Takumi
606d6d5dc3 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126214
 2011-02-22 07:21:42 +00:00
NAKAMURA Takumi
7a721b6fb6 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126213
 2011-02-22 07:21:33 +00:00
NAKAMURA Takumi
7ea92257f9 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126212
 2011-02-22 07:21:25 +00:00
NAKAMURA Takumi
e601f83a06 Relax expressions and add explicit triplets -linux and -win32. 
On @foobar(double %d, double* %x),
AMD64: (%xmm0, %rdi)
Win64: (%xmm0, %rdx) (not %rcx!)

llvm-svn: 126211
 2011-02-22 07:21:17 +00:00
NAKAMURA Takumi
78e74f5921 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126210
 2011-02-22 07:21:08 +00:00
NAKAMURA Takumi
e118fc3ea8 Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126209
 2011-02-22 07:21:01 +00:00
NAKAMURA Takumi
d2d57dd02d Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126208
 2011-02-22 07:20:52 +00:00
NAKAMURA Takumi
c5ed4733da Relax expressions and add explicit triplets -linux and -win32. 
llvm-svn: 126207
 2011-02-22 07:20:44 +00:00