Elena Demikhovsky [Tue, 21 May 2013 12:04:22 +0000 (12:04 +0000)]
Removed SSEPacked domain from all forms (AVX, SSE, signed, unsigned) scalar compare instructions, like COMISS, COMISD.
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182371
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Ulrich Weigand [Tue, 21 May 2013 10:30:59 +0000 (10:30 +0000)]
Alternative fix for problem addressed in r182233
Revision r182233 partially reverted the change in r181200 to simplify
JIT unif test #ifdefs, because that change caused a link error on some
host operating systems where the export list requires the following
symbols to be defined:
JITTest_AvailableExternallyFunction
JITTest_AvailableExternallyGlobal
As discussed on the list, the commit reverts r182233 (and re-installs
the full r181200 change), and instead fixes the link problem by moving
those two symbols to the top of the file and unconditionally defining
them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182367
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Benjamin Kramer [Tue, 21 May 2013 09:58:54 +0000 (09:58 +0000)]
X86: When emulating unsigned PCMPGTQ with PCMPGTD, fix the sign bit for the smaller type.
Otherwise we'll get a mix of signed and unsigned compares.
Fixes PR15977.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182364
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Richard Sandiford [Tue, 21 May 2013 08:53:17 +0000 (08:53 +0000)]
[SystemZ] Tighten branch tests
After r182274, the branches in these tests must always be short.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182358
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Benjamin Kramer [Tue, 21 May 2013 08:51:09 +0000 (08:51 +0000)]
DAGCombine: Avoid an edge case where it tried to create an i0 type for (x & 0) == 0.
Fixes PR16083.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182357
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Richard Sandiford [Tue, 21 May 2013 08:48:24 +0000 (08:48 +0000)]
Fix indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182356
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Eric Christopher [Tue, 21 May 2013 01:30:38 +0000 (01:30 +0000)]
Add cmake bits for md5.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182349
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Eric Christopher [Tue, 21 May 2013 01:28:35 +0000 (01:28 +0000)]
Add an md5 library derived from a public domain implementation for dwarf4
type signature computation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182348
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Reed Kotler [Tue, 21 May 2013 01:27:36 +0000 (01:27 +0000)]
Add checks that the proper predeined stubs are being called to the test case.
These were accidentally omitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182347
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Manman Ren [Tue, 21 May 2013 00:57:22 +0000 (00:57 +0000)]
Dwarf: use a single line table to generate assembly when .loc is used.
This is to fix PR15408 where an undefined symbol Lline_table_start1 is used.
Since we do not generate the debug_line section when .loc is used,
Lline_table_start1 is not emitted and we can't refer to it when calculating
at_stmt_list for a compile unit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182344
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Reed Kotler [Tue, 21 May 2013 00:50:30 +0000 (00:50 +0000)]
Add some additional functions to the list of helper functions for
pic calls. These need to be there so we don't try and use helper
functions when we call those.
As part of this, make sure that we properly exclude helper functions in pic
mode when indirect calls are involved.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182343
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Richard Smith [Mon, 20 May 2013 23:55:41 +0000 (23:55 +0000)]
Comment update: these things are called "configuration names" these days, not
"triples". Also remove the implication that they're only used for specifying a
target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182335
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Sean Silva [Mon, 20 May 2013 23:31:12 +0000 (23:31 +0000)]
LangRef.rst: Clarify how basic blocks without named label are handled.
Describe that they are assigned numbered label using the same counter
as for unnamed temporaries.
Based on http://llvm.org/bugs/show_bug.cgi?id=16043 and mailing list
discussion.
Patch by Paul Sokolovsky!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182332
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David Blaikie [Mon, 20 May 2013 22:50:35 +0000 (22:50 +0000)]
PR14606: Debug Info for namespace aliases/DW_TAG_imported_module
This resolves the last of the PR14606 failures in the GDB 7.5 test
suite by implementing an optional name field for
DW_TAG_imported_modules/DIImportedEntities and using that to implement
C++ namespace aliases (eg: "namespace X = Y;").
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182328
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Daniel Dunbar [Mon, 20 May 2013 22:39:48 +0000 (22:39 +0000)]
[docs] Minor doc tweaks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182324
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Bill Wendling [Mon, 20 May 2013 21:54:18 +0000 (21:54 +0000)]
The DWARF EH pass doesn't need the TargetMachine, only the TargetLoweringBase like the other EH passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182321
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Bill Wendling [Mon, 20 May 2013 21:28:28 +0000 (21:28 +0000)]
No need to store the TargetMachine variable in this class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182317
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Bill Wendling [Mon, 20 May 2013 20:59:12 +0000 (20:59 +0000)]
Remove unused #include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182315
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Hal Finkel [Mon, 20 May 2013 20:46:30 +0000 (20:46 +0000)]
Rename LoopSimplify.h to LoopUtils.h
As discussed, LoopUtils.h is a better name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182314
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Sebastian Pop [Mon, 20 May 2013 18:49:15 +0000 (18:49 +0000)]
add polly to check-all
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182308
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Akira Hatanaka [Mon, 20 May 2013 18:18:07 +0000 (18:18 +0000)]
[mips] Add (setne $lhs, 0) instruction selection pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182307
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Akira Hatanaka [Mon, 20 May 2013 18:07:43 +0000 (18:07 +0000)]
[mips] Trap on integer division by zero.
By default, a teq instruction is inserted after integer divide. No divide-by-zero
checks are performed if option "-mnocheck-zero-division" is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182306
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Hal Finkel [Mon, 20 May 2013 16:47:10 +0000 (16:47 +0000)]
Remove copied preheader insertion logic from PPCCTRLoops
Now that the preheader insertion logic in LoopSimplify is externally exposed,
use it, and remove the copy-and-pasted version.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182300
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Hal Finkel [Mon, 20 May 2013 16:47:07 +0000 (16:47 +0000)]
Expose InsertPreheaderForLoop from LoopSimplify to other passes
Other passes, PPC counter-loop formation for example, also need to add loop
preheaders outside of the regular loop simplification pass. This makes
InsertPreheaderForLoop a global function so that it can be used by other
passes.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182299
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Justin Holewinski [Mon, 20 May 2013 16:42:18 +0000 (16:42 +0000)]
[NVPTX] Fix mis-use of CurrentFnSym in NVPTXAsmPrinter. This was causing a symbol name error in the output PTX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182298
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Justin Holewinski [Mon, 20 May 2013 16:42:16 +0000 (16:42 +0000)]
[NVPTX] Add programmatic interface to NVVMReflect pass
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182297
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Hal Finkel [Mon, 20 May 2013 16:08:37 +0000 (16:08 +0000)]
Rename PPC MTCTRse to MTCTRloop
As the pairing of this instruction form with the bdnz/bdz branches is now
enforced by the verification pass, make it clear from the name that these
are used only for counter-based loops.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182296
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Hal Finkel [Mon, 20 May 2013 16:08:17 +0000 (16:08 +0000)]
Add a PPCCTRLoops verification pass
When asserts are enabled, this adds a verification pass for PPC counter-loop
formation. Unfortunately, without sacrificing code quality, there is no better
way of forming counter-based loops except at the (late) IR level. This means
that we need to recognize, at the IR level, anything which might turn into a
function call (or indirect branch). Because this is currently a finite set of
things, and because SelectionDAG lowering is basic-block local, this can be
done. Nevertheless, it is fragile, and failure results in a miscompile. This
verification pass checks that all (reachable) counter-based branches are
dominated by a loop mtctr instruction, and that no instructions in between
clobber the counter register. If these conditions are not satisfied, then an
ICE will be triggered.
In short, this is to help us sleep better at night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182295
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Benjamin Kramer [Mon, 20 May 2013 15:58:43 +0000 (15:58 +0000)]
R600: Fix bug detected by GCC warning.
R600TextureIntrinsicsReplacer.cpp:232: warning: the address of ‘ArgsType’ will always evaluate as ‘true’
This doesn't have any effect on the output as a vararg intrinsic behaves the
same way as a non-vararg one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182293
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Tom Stellard [Mon, 20 May 2013 15:28:48 +0000 (15:28 +0000)]
R600: Fix rotr.ll on non-asserts builds
The -debug-only option is only available on asserts builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182291
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Tom Stellard [Mon, 20 May 2013 15:02:31 +0000 (15:02 +0000)]
R600/SI: Use a multiclass for MUBUF_Load_Helper
This will simplify the instructions and also the pattern definitions.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182288
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Tom Stellard [Mon, 20 May 2013 15:02:28 +0000 (15:02 +0000)]
R600/SI: Add a pattern for S_LOAD_DWORDX2_* instructions
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182287
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Tom Stellard [Mon, 20 May 2013 15:02:24 +0000 (15:02 +0000)]
R600/SI: Add pattern for rotr
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182286
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Tom Stellard [Mon, 20 May 2013 15:02:19 +0000 (15:02 +0000)]
R600: Swap the legality of rotl and rotr
The hardware supports rotr and not rotl.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182285
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Tom Stellard [Mon, 20 May 2013 15:02:12 +0000 (15:02 +0000)]
R600/SI: Add patterns for 64-bit shift operations
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182284
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Tom Stellard [Mon, 20 May 2013 15:02:08 +0000 (15:02 +0000)]
R600/SI: Use the same names for VOP3 operands and encoding fields
This makes it possible to reorder the operands without breaking the
encoding.
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182283
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Tom Stellard [Mon, 20 May 2013 15:02:01 +0000 (15:02 +0000)]
R600/SI: Make fitsRegClass() operands const
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182282
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Mihai Popa [Mon, 20 May 2013 14:57:05 +0000 (14:57 +0000)]
VSTn instructions have a number of encoding constraints which are not implemented. I have added these using wrapper methods around the original custom decoder (incidentally - this is a huge poorly written method that should be cleaned up. I have left it as is since the changes would be much to hard to review).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182281
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Mihai Popa [Mon, 20 May 2013 14:42:43 +0000 (14:42 +0000)]
Q registers are encoded in fields of the same length as D registers. As Q registers are half as many, the ARM reference manual mandates the least significant bit to be zeroed out. Failure to do so should result in an undefined instruction. With this change test/MC/Disassembler/ARM/invalid-VQADD-arm.txt is passing (removed XFAIL).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182279
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Richard Sandiford [Mon, 20 May 2013 14:23:08 +0000 (14:23 +0000)]
[SystemZ] Add long branch pass
Before this change, the SystemZ backend would use BRCL for all branches
and only consider shortening them to BRC when generating an object file.
E.g. a branch on equal would use the JGE alias of BRCL in assembly output,
but might be shortened to the JE alias of BRC in ELF output. This was
a useful first step, but it had two problems:
(1) The z assembler isn't traditionally supposed to perform branch shortening
or branch relaxation. We followed this rule by not relaxing branches
in assembler input, but that meant that generating assembly code and
then assembling it would not produce the same result as going directly
to object code; the former would give long branches everywhere, whereas
the latter would use short branches where possible.
(2) Other useful branches, like COMPARE AND BRANCH, do not have long forms.
We would need to do something else before supporting them.
(Although COMPARE AND BRANCH does not change the condition codes,
the plan is to model COMPARE AND BRANCH as a CC-clobbering instruction
during codegen, so that we can safely lower it to a separate compare
and long branch where necessary. This is not a valid transformation
for the assembler proper to make.)
This patch therefore moves branch relaxation to a pre-emit pass.
For now, calls are still shortened from BRASL to BRAS by the assembler,
although this too is not really the traditional behaviour.
The first test takes about 1.5s to run, and there are likely to be
more tests in this vein once further branch types are added. The feeling
on IRC was that 1.5s is a bit much for a single test, so I've restricted
it to SystemZ hosts for now.
The patch exposes (and fixes) some typos in the main CodeGen/SystemZ tests.
A later patch will remove the {{g}}s from that directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182274
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Benjamin Kramer [Mon, 20 May 2013 13:12:58 +0000 (13:12 +0000)]
Enable pod-like optimizations for pred and succ iterators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182257
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Justin Holewinski [Mon, 20 May 2013 12:13:32 +0000 (12:13 +0000)]
[NVPTX] Add GenericToNVVM IR converter to better handle idiomatic LLVM IR inputs
This converter currently only handles global variables in address space 0. For
these variables, they are promoted to address space 1 (global memory), and all
uses are updated to point to the result of a cvta.global instruction on the new
variable.
The motivation for this is address space 0 global variables are illegal since we
cannot declare variables in the generic address space. Instead, we place the
variables in address space 1 and explicitly convert the pointer to address
space 0. This is primarily intended to help new users who expect to be able to
place global variables in the default address space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182254
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Justin Holewinski [Mon, 20 May 2013 12:13:28 +0000 (12:13 +0000)]
[NVPTX] Fix i1 kernel parameters and global variables. ABI rules say we need to use .u8 for i1 parameters for kernels.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182253
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Stepan Dyatkovskiy [Mon, 20 May 2013 08:01:34 +0000 (08:01 +0000)]
PR15868 fix.
Introduction:
In case when stack alignment is 8 and GPRs parameter part size is not N*8:
we add padding to GPRs part, so part's last byte must be recovered at
address K*8-1.
We need to do it, since remained (stack) part of parameter starts from
address K*8, and we need to "attach" "GPRs head" without gaps to it:
Stack:
|---- 8 bytes block ----| |---- 8 bytes block ----| |---- 8 bytes...
[ [padding] [GPRs head] ] [ ------ Tail passed via stack ------ ...
FIX:
Note, once we added padding we need to correct *all* Arg offsets that are going
after padded one. That's why we need this fix: Arg offsets were never corrected
before this patch. See new test-cases included in patch.
We also don't need to insert padding for byval parameters that are stored in GPRs
only. We need pad only last byval parameter and only in case it outsides GPRs
and stack alignment = 8.
Though, stack area, allocated for recovered byval params, must satisfy
"Size mod 8 = 0" restriction.
This patch reduces stack usage for some cases:
We can reduce ArgRegsSaveArea since inner N*4 bytes sized byval params my be
"packed" with alignment 4 in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182237
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Renato Golin [Mon, 20 May 2013 07:46:06 +0000 (07:46 +0000)]
Disable remote MCJIT on pre-v6 ARM
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182235
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Bob Wilson [Mon, 20 May 2013 06:13:09 +0000 (06:13 +0000)]
Partially revert change in r181200 that tried to simplify JIT unit test #ifdefs.
The export list for this test requires the following symbols to be available:
JITTest_AvailableExternallyFunction
JITTest_AvailableExternallyGlobal
The change in r181200 commented them out, which caused the test to fail to
link, at least on Darwin. I have only reverted the change for arm, since I
can't test the other targets and since it sounds like that change was fixing
real problems for those other targets. It should be possible to rearrange the
code to keep those definitions outside the #ifdefs, but that should be done by
someone who can reproduce the problems that r181200 was trying to fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182233
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Jakob Stoklund Olesen [Mon, 20 May 2013 01:01:43 +0000 (01:01 +0000)]
Also expand 64-bit bitcasts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182229
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Jakob Stoklund Olesen [Mon, 20 May 2013 00:53:25 +0000 (00:53 +0000)]
Implement spill and fill of I64Regs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182228
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Jakob Stoklund Olesen [Mon, 20 May 2013 00:28:36 +0000 (00:28 +0000)]
Mark i64 SETCC as expand so it is turned into a SELECT_CC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182227
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Benjamin Kramer [Sun, 19 May 2013 22:01:57 +0000 (22:01 +0000)]
Replace some bit operations with simpler ones. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182226
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Jakob Stoklund Olesen [Sun, 19 May 2013 21:47:13 +0000 (21:47 +0000)]
Don't use %g0 to materialize 0 directly.
The wired physreg doesn't work on tied operands like on MOVXCC.
Add a README note to fix this later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182225
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Jakob Stoklund Olesen [Sun, 19 May 2013 20:38:21 +0000 (20:38 +0000)]
Select i64 values with %icc conditions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182224
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Bob Wilson [Sun, 19 May 2013 20:33:51 +0000 (20:33 +0000)]
Remove declaration of __clear_cache for __APPLE__. <rdar://problem/
13924072>
This fixes a bootstrapping problem with builds for Apple ARM targets.
Clang had the wrong prototype for __clear_cache with ARM targets. Rafael
fixed that in clang svn r181784 and r181810, but without those changes,
we can't build this code for ARM because clang reports an error about the
declaration in Memory.inc not matching the builtin declaration. Some of our
buildbots need to use an older compiler that doesn't have the clang fix.
Since __clear_cache is never used here when __APPLE__ is defined, I'm just
conditionalizing the declaration to match that. I also moved the declaration
of sys_icache_invalidate inside the conditional for __APPLE__ while I was at
it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182223
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Jakob Stoklund Olesen [Sun, 19 May 2013 20:33:11 +0000 (20:33 +0000)]
Add floating point selects on %xcc predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182222
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Jakob Stoklund Olesen [Sun, 19 May 2013 20:20:54 +0000 (20:20 +0000)]
Implement SPselectfcc for i64 operands.
Also clean up the arguments to all the MOVCC instructions so the
operands always are (true-val, false-val, cond-code).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182221
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Renato Golin [Sun, 19 May 2013 20:10:10 +0000 (20:10 +0000)]
SubArch support in MCJIT unittest
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182220
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Venkatraman Govindaraju [Sun, 19 May 2013 20:07:20 +0000 (20:07 +0000)]
[Sparc] Rearrange integer registers' allocation order so that register allocator will use I and G registers before using L and O registers.
Also, enable registers %g2-%g4 to be used in application and %g5 in 64 bit mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182219
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Tim Northover [Sun, 19 May 2013 19:44:56 +0000 (19:44 +0000)]
AArch64: enable MCJIT unittests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182217
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Jakob Stoklund Olesen [Sun, 19 May 2013 19:14:24 +0000 (19:14 +0000)]
Handle i64 FrameIndex nodes in SPARC v9 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182216
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Tim Northover [Sun, 19 May 2013 15:39:03 +0000 (15:39 +0000)]
AArch64: make RuntimeDyld relocations idempotent
AArch64 ELF uses .rela relocations so there's no need to actually make
use of the bits we're setting in the destination However, we should
make sure all bits are cleared properly since multiple runs of
resolveRelocations are possible and these could combine to produce
invalid results if stale versions remain in the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182214
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Tim Northover [Sun, 19 May 2013 15:28:16 +0000 (15:28 +0000)]
Invalidate instruction cache when setting memory to be executable.
lli's remote MCJIT code calls setExecutable just prior to running
code. In line with Darwin behaviour this seems to be the place to
invalidate any caches needed so that relocations can take effect
properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182213
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Bob Wilson [Sun, 19 May 2013 14:59:08 +0000 (14:59 +0000)]
Temporarily disable this test because it is failing when using libc++.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182212
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Benjamin Kramer [Sun, 19 May 2013 13:28:39 +0000 (13:28 +0000)]
Move the remaining simplify-libcalls tests to instcombine, merging most of them into a single file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182211
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Tim Northover [Sun, 19 May 2013 09:55:06 +0000 (09:55 +0000)]
Print uint64_t -debug text correctly on 32-bit hosts
On 32-bit hosts %p can print garbage when given a uint64_t, we should
use %llx instead. This only affects the output of the debugging text
produced by lli.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182209
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Renato Golin [Sat, 18 May 2013 19:42:07 +0000 (19:42 +0000)]
Unsupported remote JIT on ARM
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182201
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David Majnemer [Sat, 18 May 2013 19:30:37 +0000 (19:30 +0000)]
isKnownToBeAPowerOfTwo: (X & Y) + Y is a power of 2 or zero if y is also.
This is useful if something that looks like (x & (1 << y)) ? 64 : 32 is
the divisor in a modulo operation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182200
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Arnold Schwaighofer [Sat, 18 May 2013 18:38:34 +0000 (18:38 +0000)]
LoopVectorize: Handle single edge PHIs
We might encouter single edge PHIs - handle them with an identity select.
Fixes PR15990.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182199
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Dmitri Gribenko [Sat, 18 May 2013 18:01:44 +0000 (18:01 +0000)]
docs/Passes: fix some typos
Patch by Yacine Belkadi.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182197
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Benjamin Kramer [Sat, 18 May 2013 16:00:35 +0000 (16:00 +0000)]
Add basic support for ELF32-ppc relocations to llvm-dwarfdump.
Should help the ppc32 buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182194
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Hal Finkel [Sat, 18 May 2013 09:20:39 +0000 (09:20 +0000)]
Check InlineAsm clobbers in PPCCTRLoops
We don't need to reject all inline asm as using the counter register (most does
not). Only those that explicitly clobber the counter register need to prevent
the transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182191
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Tim Northover [Sat, 18 May 2013 08:17:47 +0000 (08:17 +0000)]
AArch64: add CMake dependency to fix very parallel builds
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182190
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David Majnemer [Sat, 18 May 2013 01:02:03 +0000 (01:02 +0000)]
X86: Bad peephole interaction between adc, MOV32r0
The peephole tries to reorder MOV32r0 instructions such that they are
before the instruction that modifies EFLAGS.
The problem is that the peephole does not consider the case where the
instruction that modifies EFLAGS also depends on the previous state of
EFLAGS.
Instead, walk backwards until we find an instruction that has a def for
EFLAGS but does not have a use.
If we find such an instruction, insert the MOV32r0 before it.
If it cannot find such an instruction, skip the optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182184
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Matt Arsenault [Sat, 18 May 2013 00:24:09 +0000 (00:24 +0000)]
Remove duplicated comment
The same comment is already made in the header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182181
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Matt Arsenault [Sat, 18 May 2013 00:21:46 +0000 (00:21 +0000)]
Add LLVMContext argument to getSetCCResultType
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182180
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JF Bastien [Fri, 17 May 2013 23:49:01 +0000 (23:49 +0000)]
Support unaligned load/store on more ARM targets
This patch matches GCC behavior: the code used to only allow unaligned
load/store on ARM for v6+ Darwin, it will now allow unaligned load/store
for v6+ Darwin as well as for v7+ on Linux and NaCl.
The distinction is made because v6 doesn't guarantee support (but LLVM
assumes that Apple controls hardware+kernel and therefore have
conformant v6 CPUs), whereas v7 does provide this guarantee (and
Linux/NaCl behave sanely).
The patch keeps the -arm-strict-align command line option, and adds
-arm-no-strict-align. They behave similarly to GCC's -mstrict-align and
-mnostrict-align.
I originally encountered this discrepancy in FastIsel tests which expect
unaligned load/store generation. Overall this should slightly improve
performance in most cases because of reduced I$ pressure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182175
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Rafael Espindola [Fri, 17 May 2013 23:20:58 +0000 (23:20 +0000)]
Fix the configure build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182172
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Rafael Espindola [Fri, 17 May 2013 22:58:42 +0000 (22:58 +0000)]
Convert obj2yaml to use yamlio.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182169
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Rafael Espindola [Fri, 17 May 2013 22:45:52 +0000 (22:45 +0000)]
Fix the build in c++11 mode.
The errors were:
non-constant-expression cannot be narrowed from type 'int64_t' (aka 'long') to 'uint32_t' (aka 'unsigned int') in initializer list
and
non-constant-expression cannot be narrowed from type 'long' to 'uint32_t' (aka 'unsigned int') in initializer list
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182168
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Matt Arsenault [Fri, 17 May 2013 21:43:43 +0000 (21:43 +0000)]
Replace redundant code
Use EVT::changeExtendedVectorElementTypeToInteger instead of doing the
same thing that it does
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182165
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Matt Arsenault [Fri, 17 May 2013 21:43:39 +0000 (21:43 +0000)]
Add missing -*- C++ -*- to headers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182164
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Derek Schuff [Fri, 17 May 2013 16:51:32 +0000 (16:51 +0000)]
Add missing verb to comment in PassNameParser.h
Patch by Mark Seaborn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182131
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Vincent Lejeune [Fri, 17 May 2013 16:51:06 +0000 (16:51 +0000)]
R600: Lower int_load_input to copyFromReg instead of Register node
It solves a bug uncovered by dot4 patch where the register class of
int_load_input use was ignored.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182130
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Vincent Lejeune [Fri, 17 May 2013 16:50:56 +0000 (16:50 +0000)]
R600: Use bottom up scheduling algorithm
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182129
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Vincent Lejeune [Fri, 17 May 2013 16:50:44 +0000 (16:50 +0000)]
R600: Use depth first scheduling algorithm
It should increase PV substitution opportunities and lower gpr
usage (pending computations path are "flushed" sooner)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182128
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Vincent Lejeune [Fri, 17 May 2013 16:50:37 +0000 (16:50 +0000)]
R600: Replace big texture opcode switch in scheduler by usesTC/usesVC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182127
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Vincent Lejeune [Fri, 17 May 2013 16:50:32 +0000 (16:50 +0000)]
R600: Relax some vector constraints on Dot4.
Dot4 now uses 8 scalar operands instead of 2 vectors one which allows register
coalescer to remove some unneeded COPY.
This patch also defines some structures/functions that can be used to handle
every vector instructions (CUBE, Cayman special instructions...) in a similar
fashion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182126
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Vincent Lejeune [Fri, 17 May 2013 16:50:20 +0000 (16:50 +0000)]
R600: Improve texture handling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182125
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Vincent Lejeune [Fri, 17 May 2013 16:50:09 +0000 (16:50 +0000)]
R600: Rename 128 bit registers.
Almost all instructions that takes a 128 bits reg as input (fetch, export...)
have the abilities to swizzle their argument and output. Instead of printing
default swizzle for each 128 bits reg, rename T*.XYZW to T* and let instructions
print potentially optimized swizzles themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182124
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Vincent Lejeune [Fri, 17 May 2013 16:50:02 +0000 (16:50 +0000)]
R600: Some factorization
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182123
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Vincent Lejeune [Fri, 17 May 2013 16:49:55 +0000 (16:49 +0000)]
R600: Factorize Fetch size limit inside AMDGPUSubTarget
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182122
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Vincent Lejeune [Fri, 17 May 2013 16:49:49 +0000 (16:49 +0000)]
R600: prettier dump of clamp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182121
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Tom Stellard [Fri, 17 May 2013 15:23:21 +0000 (15:23 +0000)]
R600: Fix encoding for R600 family GPUs
Reviewed-by: Vincent Lejeune <vljn@ovi.com>
https://bugs.freedesktop.org/show_bug.cgi?id=64193
https://bugs.freedesktop.org/show_bug.cgi?id=64257
https://bugs.freedesktop.org/show_bug.cgi?id=64320
NOTE: This is a candidate for the 3.3 branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182113
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Tom Stellard [Fri, 17 May 2013 15:23:12 +0000 (15:23 +0000)]
R600: Pass MCSubtargetInfo reference to R600CodeEmitter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182112
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Venkatraman Govindaraju [Fri, 17 May 2013 15:14:34 +0000 (15:14 +0000)]
[Sparc] Implements hasReservedCallFrame and hasFP.
This is to generate correct framesetup code when the function
has variable sized allocas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182108
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Benjamin Kramer [Fri, 17 May 2013 14:48:34 +0000 (14:48 +0000)]
X86: Make shuffle -> shift conversion more aggressive about undefs.
Shuffles that only move an element into position 0 of the vector are common in
the output of the loop vectorizer and often generate suboptimal code when SSSE3
is not available. Lower them to vector shifts if possible.
We still prefer palignr over psrldq because it has higher throughput on
sandybridge.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182102
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Benjamin Kramer [Fri, 17 May 2013 14:48:25 +0000 (14:48 +0000)]
FileCheckize test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182101
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Benjamin Kramer [Fri, 17 May 2013 14:48:17 +0000 (14:48 +0000)]
LoopVectorize: Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182100
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David Tweed [Fri, 17 May 2013 14:31:59 +0000 (14:31 +0000)]
r182085 introduced a change that triggered an assertion on ARM. This is an immediate fix
which doesn't resolve the deeper problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182098
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Ulrich Weigand [Fri, 17 May 2013 14:14:12 +0000 (14:14 +0000)]
[PowerPC] Fix hi/lo encoding in old-style code emitter
This patch implements the equivalent change to r182091/r182092
in the old-style code emitter. Instead of having two separate
16-bit immediate encoding routines depending on the instruction,
this patch introduces a single encoder that checks the machine
operand flags to decide whether the low or high half of a
symbol address is required.
Since now both encoders make no further distinction between
"symbolLo" and "symbolHi", the .td operand can now use a
single getS16ImmEncoding method.
Tested by running the old-style JIT tests on 32-bit Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182097
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Ulrich Weigand [Fri, 17 May 2013 12:37:21 +0000 (12:37 +0000)]
[PowerPC] Merge/rename PPC fixup types
Now that fixup_ppc_ha16 and fixup_ppc_lo16 are being treated exactly
the same everywhere, it no longer makes sense to have two fixup types.
This patch merges them both into a single type fixup_ppc_half16,
and renames fixup_ppc_lo16_ds to fixup_ppc_half16ds for consistency.
(The half16 and half16ds names are taken from the description of
relocation types in the PowerPC ABI.)
No change in code generation expected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182092
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