Jim Grosbach [Tue, 26 Jul 2011 17:15:11 +0000 (17:15 +0000)]
ARM assembly parsing and encoding for SWP[B] instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136098
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Jim Grosbach [Tue, 26 Jul 2011 17:11:05 +0000 (17:11 +0000)]
ARM SWP instructions store, too, not just load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136096
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Jim Grosbach [Tue, 26 Jul 2011 17:10:22 +0000 (17:10 +0000)]
Clean up the ARM asm parser a bit.
No intendeded functional change. Just cleaning up a bit to make things more
self-consistent in layout and style.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136095
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Jim Grosbach [Tue, 26 Jul 2011 16:44:05 +0000 (16:44 +0000)]
ARM fix asm parsing range check for [0,31] immediates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136091
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Jim Grosbach [Tue, 26 Jul 2011 16:24:27 +0000 (16:24 +0000)]
ARM parsing and encoding for SVC instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136090
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Jim Grosbach [Tue, 26 Jul 2011 15:44:05 +0000 (15:44 +0000)]
ARM assembly parsing and encoding tests for SUB instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136089
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Jim Grosbach [Tue, 26 Jul 2011 15:41:22 +0000 (15:41 +0000)]
Update ARM STM tests. Fix check: prefix for diagnostic tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136088
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Duncan Sands [Tue, 26 Jul 2011 15:30:04 +0000 (15:30 +0000)]
Teach the Triple class about kfreebsd (FreeBSD kernel with
a GNU userspace).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136085
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Rafael Espindola [Tue, 26 Jul 2011 15:23:23 +0000 (15:23 +0000)]
Add LLVMAddAlwaysInlinerPass to the C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136083
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Rafael Espindola [Tue, 26 Jul 2011 15:17:32 +0000 (15:17 +0000)]
LLVM 3.0 is here, remove old do nothing method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136082
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Duncan Sands [Tue, 26 Jul 2011 15:05:06 +0000 (15:05 +0000)]
SrcDef is only written and never read. Remove it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136080
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Duncan Sands [Tue, 26 Jul 2011 15:03:53 +0000 (15:03 +0000)]
Add helper function for getting true/false constants in a uniform
way for i1 and vector of i1 types. Use these to make some code
more self-documenting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136079
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Bill Wendling [Tue, 26 Jul 2011 10:41:15 +0000 (10:41 +0000)]
Clean up the HTML here a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136074
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Jay Foad [Tue, 26 Jul 2011 09:36:52 +0000 (09:36 +0000)]
Fix typo in comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136068
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Nick Lewycky [Tue, 26 Jul 2011 08:40:36 +0000 (08:40 +0000)]
Don't try to dereference syms[0] on an empty vector. Reported by Todd Jackson
and Jeffrey Bosboom!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136066
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Bill Wendling [Tue, 26 Jul 2011 08:03:49 +0000 (08:03 +0000)]
The compact unwinding offsets are divided by 8 on 64-bit machines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136065
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Bill Wendling [Tue, 26 Jul 2011 07:58:09 +0000 (07:58 +0000)]
Describe the reasoning for compact unwind in better terms. Thanks to Nick Kledzik for the description.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136064
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Bruno Cardoso Lopes [Tue, 26 Jul 2011 02:39:32 +0000 (02:39 +0000)]
Add 256-bit isel for movsldup/movshdup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136051
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Bruno Cardoso Lopes [Tue, 26 Jul 2011 02:39:28 +0000 (02:39 +0000)]
More movsldup/movshdup cleanup. Rewrite the mask matching function and add
support for 256-bit versions (but no instruction selection yet, coming next).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136050
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Bruno Cardoso Lopes [Tue, 26 Jul 2011 02:39:25 +0000 (02:39 +0000)]
More cleanup, subtarget info isn't used here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136049
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Bruno Cardoso Lopes [Tue, 26 Jul 2011 02:39:23 +0000 (02:39 +0000)]
Add 128-bit AVX versions of movshdup/mosldup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136048
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Bruno Cardoso Lopes [Tue, 26 Jul 2011 02:39:13 +0000 (02:39 +0000)]
Cleanup movsldup/movshdup matching.
27 insertions(+), 62 deletions(-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136047
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Jakob Stoklund Olesen [Tue, 26 Jul 2011 00:54:56 +0000 (00:54 +0000)]
Revert to RA_Assign when a virtreg separates into components.
When dead code elimination deletes a PHI value, the virtual register may
split into multiple connected components. In that case, revert each
component to the RS_Assign stage.
The new components are guaranteed to be smaller (the original value
numbers are distributed among the components), so this will always be
making progress. The components are now allowed to evict other live
ranges or be split again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136034
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Evan Cheng [Tue, 26 Jul 2011 00:42:34 +0000 (00:42 +0000)]
Rename createCodeEmitter to createMCCodeEmitter; createObjectStreamer to createMCObjectStreamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136031
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Chandler Carruth [Tue, 26 Jul 2011 00:30:33 +0000 (00:30 +0000)]
Remove a file from CMakeLists.txt that Evan removed in r136027.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136030
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Evan Cheng [Tue, 26 Jul 2011 00:24:13 +0000 (00:24 +0000)]
Rename TargetAsmParser to MCTargetAsmParser and TargetAsmLexer to MCTargetAsmLexer; rename createAsmLexer to createMCAsmLexer and createAsmParser to createMCAsmParser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136027
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Chandler Carruth [Tue, 26 Jul 2011 00:09:11 +0000 (00:09 +0000)]
Still more library dependency updates. This reflects the ever decreasing
dependence on CodeGen layers and backends from the MC layers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136024
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Chandler Carruth [Tue, 26 Jul 2011 00:09:08 +0000 (00:09 +0000)]
Clean up a pile of hacks in our CMake build relating to TableGen.
The first problem to fix is to stop creating synthetic *Table_gen
targets next to all of the LLVM libraries. These had no real effect as
CMake specifies that add_custom_command(OUTPUT ...) directives (what the
'tablegen(...)' stuff expands to) are implicitly added as dependencies
to all the rules in that CMakeLists.txt.
These synthetic rules started to cause problems as we started more and
more heavily using tablegen files from *subdirectories* of the one where
they were generated. Within those directories, the set of tablegen
outputs was still available and so these synthetic rules added them as
dependencies of those subdirectories. However, they were no longer
properly associated with the custom command to generate them. Most of
the time this "just worked" because something would get to the parent
directory first, and run tablegen there. Once run, the files existed and
the build proceeded happily. However, as more and more subdirectories
have started using this, the probability of this failing to happen has
increased. Recently with the MC refactorings, it became quite common for
me when touching a large enough number of targets.
To add insult to injury, several of the backends *tried* to fix this by
adding explicit dependencies back to the parent directory's tablegen
rules, but those dependencies didn't work as expected -- they weren't
forming a linear chain, they were adding another thread in the race.
This patch removes these synthetic rules completely, and adds a much
simpler function to declare explicitly that a collection of tablegen'ed
files are referenced by other libraries. From that, we can add explicit
dependencies from the smaller libraries (such as every architectures
Desc library) on this and correctly form a linear sequence. All of the
backends are updated to use it, sometimes replacing the existing attempt
at adding a dependency, sometimes adding a previously missing dependency
edge.
Please let me know if this causes any problems, but it fixes a rather
persistent and problematic source of build flakiness on our end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136023
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Jim Grosbach [Mon, 25 Jul 2011 23:32:14 +0000 (23:32 +0000)]
ARM assembly parsing and encoding for SSAX, SSUB16 and SSUB8.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136013
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Evan Cheng [Mon, 25 Jul 2011 23:28:36 +0000 (23:28 +0000)]
TargetAsmBackend has been renamed to MCAsmBackend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136012
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Evan Cheng [Mon, 25 Jul 2011 23:24:55 +0000 (23:24 +0000)]
Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to createMCAsmBackend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136010
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Eli Friedman [Mon, 25 Jul 2011 23:16:38 +0000 (23:16 +0000)]
Initial implementation of 'fence' instruction, the new C++0x-style replacement for llvm.memory.barrier.
This is just a LangRef entry and reading/writing/memory representation; optimizer+codegen support coming soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136009
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Nick Lewycky [Mon, 25 Jul 2011 23:14:22 +0000 (23:14 +0000)]
Finish adding support for lifetime intrinsics to SROA. Fixes PR10121!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136008
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Benjamin Kramer [Mon, 25 Jul 2011 23:10:23 +0000 (23:10 +0000)]
I will save before I commit.
I will save before I commit.
I will save before I commit.
I will save before I commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136007
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Jim Grosbach [Mon, 25 Jul 2011 23:09:14 +0000 (23:09 +0000)]
ARM assembly parsing and encoding for SSAT16 instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136006
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Bruno Cardoso Lopes [Mon, 25 Jul 2011 23:05:32 +0000 (23:05 +0000)]
Codegen allonesvector better while using AVX: vpcmpeqd + vinsertf128
This also fixes PR10452
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136004
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Bruno Cardoso Lopes [Mon, 25 Jul 2011 23:05:28 +0000 (23:05 +0000)]
Add remaining 256-bit vector bitcasts. This also fixes PR10451
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136003
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Bruno Cardoso Lopes [Mon, 25 Jul 2011 23:05:25 +0000 (23:05 +0000)]
- Handle special scalar_to_vector case: splats. Using a native 128-bit
shuffle before inserting on a 256-bit vector.
- Add AVX versions of movd/movq instructions
- Introduce a few COPY patterns to match insert_subvector instructions.
This turns a trivial insert_subvector instruction into a register copy,
coalescing the xmm into a ymm and avoid emiting on more instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136002
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Bruno Cardoso Lopes [Mon, 25 Jul 2011 23:05:16 +0000 (23:05 +0000)]
Reintroduce r135730, this is indeed the right approach, there is no
native 256-bit vector instruction to do scalar_to_vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136001
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Benjamin Kramer [Mon, 25 Jul 2011 23:04:36 +0000 (23:04 +0000)]
llvm-objdump: Ignore unreachable blocks when printing the CFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136000
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Evan Cheng [Mon, 25 Jul 2011 22:52:04 +0000 (22:52 +0000)]
Fix include guards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135998
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Benjamin Kramer [Mon, 25 Jul 2011 22:30:00 +0000 (22:30 +0000)]
Add a note about efficient codegen for binary log.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135996
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Eli Friedman [Mon, 25 Jul 2011 22:28:51 +0000 (22:28 +0000)]
Attempt to fix test failure reported on llvm-commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135995
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Jakub Staszak [Mon, 25 Jul 2011 22:27:42 +0000 (22:27 +0000)]
BranchProbability::print returns void now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135994
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Eli Friedman [Mon, 25 Jul 2011 22:25:42 +0000 (22:25 +0000)]
Make sure this DAGCombine actually returns an UNDEF of the correct type; PR10476.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135993
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Jakub Staszak [Mon, 25 Jul 2011 22:24:51 +0000 (22:24 +0000)]
Add BlockFrequency class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135992
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Jim Grosbach [Mon, 25 Jul 2011 22:20:28 +0000 (22:20 +0000)]
ARM assembly parsing and encoding for SSAT instruction.
Fix the Rn register encoding for both SSAT and USAT. Update the parsing of the
shift operand to correctly handle the allowed shift types and immediate ranges
and issue meaningful diagnostics when an illegal value or shift type is
specified. Add aliases to parse an ommitted shift operand (default value of
'lsl #0').
Add tests for diagnostics and proper encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135990
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Andrew Trick [Mon, 25 Jul 2011 22:17:47 +0000 (22:17 +0000)]
Add clarifying comments for the new arguments to UnrollLoop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135988
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Evan Cheng [Mon, 25 Jul 2011 22:16:37 +0000 (22:16 +0000)]
Refactoring fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135986
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Evan Cheng [Mon, 25 Jul 2011 21:44:12 +0000 (21:44 +0000)]
Move CBackend and CppBackend MC initialization to TargetInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135982
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Eli Friedman [Mon, 25 Jul 2011 21:36:45 +0000 (21:36 +0000)]
Get rid of an incorrect optimization for shuffles with PALIGNR and simplify isPALIGNRMask.
Addresses PR10466, although the crash from that PR only triggers in cases where DAGCombine misses optimizing a shuffle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135980
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Evan Cheng [Mon, 25 Jul 2011 21:32:49 +0000 (21:32 +0000)]
Fix more MC layering violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135979
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Evan Cheng [Mon, 25 Jul 2011 21:29:26 +0000 (21:29 +0000)]
More MC layering violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135978
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Chandler Carruth [Mon, 25 Jul 2011 21:25:07 +0000 (21:25 +0000)]
Check in updated CMake dependencies after Evan's latest round of
refactorings. Several places that shouldn't have dependend on Target no
longer do. Also almost all of the CodeGen dependencies have gone away
for the MCDisassembler. Others add reasonable dependencies within the
target-specific layers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135977
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Chandler Carruth [Mon, 25 Jul 2011 21:21:08 +0000 (21:21 +0000)]
Add a missing enumerator to this switch. Currently its in the
assert-path code, as previously we would have fallen off the end of the
function, but please review and let me know if this should go somewhere
else.
This fixes a Clang warning:
lib/MC/MCMachOStreamer.cpp:201:11: error: enumeration value 'MCSA_IndirectSymbol' not handled in switch [-Werror,-Wswitch-enum]
switch (Attribute) {
^
1 error generated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135976
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Rafael Espindola [Mon, 25 Jul 2011 21:20:54 +0000 (21:20 +0000)]
Add LLVMAddTargetLibraryInfo to the C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135975
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Evan Cheng [Mon, 25 Jul 2011 21:20:24 +0000 (21:20 +0000)]
Separate MCInstPrinter registration from AsmPrinter registration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135974
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Nick Lewycky [Mon, 25 Jul 2011 21:16:04 +0000 (21:16 +0000)]
Add missing space (this line is no longer pushing the 80-column limit).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135973
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Nick Lewycky [Mon, 25 Jul 2011 21:13:23 +0000 (21:13 +0000)]
80 columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135972
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Nick Lewycky [Mon, 25 Jul 2011 21:12:44 +0000 (21:12 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135971
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Jim Grosbach [Mon, 25 Jul 2011 21:04:58 +0000 (21:04 +0000)]
Simply ARM so_reg MIOperandInfo definitions.
The shift immediate encoding, printing, etc. is handled directly by the
enclosing operand definition, so it should be a vanilla immediate, not a
nested complex operand (shift_imm).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135968
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Rafael Espindola [Mon, 25 Jul 2011 20:57:59 +0000 (20:57 +0000)]
Add LLVMAddLowerExpectIntrinsicPass to the C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135966
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Evan Cheng [Mon, 25 Jul 2011 20:53:02 +0000 (20:53 +0000)]
Fix last bits of MC layer issues. llvm-mc doesn't need to initialize TargetMachine's anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135963
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Jim Grosbach [Mon, 25 Jul 2011 20:49:51 +0000 (20:49 +0000)]
ARM asm operand renaming. Make things a bit more explicit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135959
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Jim Grosbach [Mon, 25 Jul 2011 20:38:18 +0000 (20:38 +0000)]
More simple cleanup of ARM asm operand definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135958
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Bill Wendling [Mon, 25 Jul 2011 20:25:03 +0000 (20:25 +0000)]
Fix some typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135956
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Bill Wendling [Mon, 25 Jul 2011 20:19:48 +0000 (20:19 +0000)]
An initial description of the compact unwind encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135955
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Evan Cheng [Mon, 25 Jul 2011 20:18:48 +0000 (20:18 +0000)]
Code clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135954
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Evan Cheng [Mon, 25 Jul 2011 20:18:18 +0000 (20:18 +0000)]
Refactor MBlaze target to separate MC routines from Target routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135953
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Oscar Fuentes [Mon, 25 Jul 2011 20:17:01 +0000 (20:17 +0000)]
While building a LLVM target, put the current source directory on the
header search path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135952
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Bill Wendling [Mon, 25 Jul 2011 20:15:15 +0000 (20:15 +0000)]
Update the comment. This feature is available only on Darwin at the moment. Though it's not Darwin-specific.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135951
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Jim Grosbach [Mon, 25 Jul 2011 20:14:50 +0000 (20:14 +0000)]
Make assembly parser method names more consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135950
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Oscar Fuentes [Mon, 25 Jul 2011 20:13:36 +0000 (20:13 +0000)]
Unbreak the build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135949
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Jakub Staszak [Mon, 25 Jul 2011 20:08:58 +0000 (20:08 +0000)]
Fix class description.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135948
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Jakub Staszak [Mon, 25 Jul 2011 20:08:00 +0000 (20:08 +0000)]
Fix #include guard directive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135947
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Jim Grosbach [Mon, 25 Jul 2011 20:06:30 +0000 (20:06 +0000)]
Tidy up formatting.
Remove some inititalizers that are the same as the default, move defs next to
their (singular) uses and generally simplify some formatting of asm operand
definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135946
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Jim Grosbach [Mon, 25 Jul 2011 20:00:32 +0000 (20:00 +0000)]
Tidy up a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135945
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Evan Cheng [Mon, 25 Jul 2011 19:55:33 +0000 (19:55 +0000)]
Missed a file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135943
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Evan Cheng [Mon, 25 Jul 2011 19:53:23 +0000 (19:53 +0000)]
Refactor PPC target to separate MC routines from Target routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135942
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Evan Cheng [Mon, 25 Jul 2011 19:33:48 +0000 (19:33 +0000)]
More refactoring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135939
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Jakub Staszak [Mon, 25 Jul 2011 19:25:40 +0000 (19:25 +0000)]
Rename BlockFrequency to BlockFrequencyInfo and MachineBlockFrequency to
MachineBlockFrequencyInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135937
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Evan Cheng [Mon, 25 Jul 2011 18:43:53 +0000 (18:43 +0000)]
Refactor X86 target to separate MC code from Target code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135930
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Bill Wendling [Mon, 25 Jul 2011 18:04:49 +0000 (18:04 +0000)]
Changed disabled code into a flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135924
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Bill Wendling [Mon, 25 Jul 2011 18:01:27 +0000 (18:01 +0000)]
Remove dead variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135923
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Bill Wendling [Mon, 25 Jul 2011 18:00:28 +0000 (18:00 +0000)]
After we've modified the prolog to save volatile registers, generate the compact
unwind encoding for that function. This simply crawls through the prolog looking
for machine instrs marked as "frame setup". It can calculate from these what the
compact unwind should look like.
This is currently disabled because of needed linker support. But initial tests
look good.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135922
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Jim Grosbach [Mon, 25 Jul 2011 17:55:35 +0000 (17:55 +0000)]
Move some ELF directives into ELF asm parser.
The .local, .hidden, .internal, and .protected are not legal for all supported
file formats (in particular, they're invalid for MachO). Move the parsing for
them into the ELF assembly parser since that's the format they're for.
Similarly, .weak is used by COFF and ELF, but not MachO, so move the parsing
to the COFF and ELF asm parsers. Previously, using any of these directives
on Darwin would result in an assertion failure in the parser; now we get
a diagnostic as we should.
rdar://
9827089
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135921
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Oscar Fuentes [Mon, 25 Jul 2011 17:25:10 +0000 (17:25 +0000)]
Builds llvmc and its examples with CMake.
Patch by arrowdodger!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135919
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Oscar Fuentes [Mon, 25 Jul 2011 17:24:54 +0000 (17:24 +0000)]
Fixes VS support for llvmc mcc16 llvmc example.
Patch by arrowdodger!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135918
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Jim Grosbach [Mon, 25 Jul 2011 17:11:29 +0000 (17:11 +0000)]
Tidy up. 80 columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135917
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Rafael Espindola [Mon, 25 Jul 2011 15:27:59 +0000 (15:27 +0000)]
Add uwtable to the langref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135913
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Jakob Stoklund Olesen [Mon, 25 Jul 2011 15:25:43 +0000 (15:25 +0000)]
Add an RS_Split2 stage used for loop prevention.
This mechanism already exists, but the RS_Split2 stage makes it clearer.
When live range splitting creates ranges that may not be making
progress, they are marked RS_Split2 instead of RS_New. These ranges may
be split again, but only in a way that can be proven to make progress.
For local ranges, that means they must be split into ranges used by
strictly fewer instructions.
For global ranges, region splitting is bypassed and the RS_Split2
ranges go straight to per-block splitting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135912
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Jakob Stoklund Olesen [Mon, 25 Jul 2011 15:25:41 +0000 (15:25 +0000)]
Rename live range stages to better reflect how they are used.
The stage is used to control where a live range is going, not where it
is coming from. Live ranges created by splitting will usually be marked
RS_New, but some are marked RS_Spill to avoid wasting time trying to
split them again.
The old RS_Global and RS_Local stages are merged - they are really the
same thing for local and global live ranges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135911
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Frits van Bommel [Mon, 25 Jul 2011 15:13:01 +0000 (15:13 +0000)]
Shorten some expressions by using ArrayRef::slice().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135910
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Oscar Fuentes [Mon, 25 Jul 2011 14:11:55 +0000 (14:11 +0000)]
CMake: generalize the system that creates custom targets for
tablegenning to all libraries and executables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135908
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Jay Foad [Mon, 25 Jul 2011 10:32:27 +0000 (10:32 +0000)]
Remove uses of std::vector from TypeBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135906
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Jay Foad [Mon, 25 Jul 2011 10:14:44 +0000 (10:14 +0000)]
Use ArrayRef in the (protected) constructors of ConstantArray, ConstantStruct and ConstantVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135905
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Jay Foad [Mon, 25 Jul 2011 09:48:08 +0000 (09:48 +0000)]
Convert GetElementPtrInst to use ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904
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Chris Lattner [Sun, 24 Jul 2011 20:45:08 +0000 (20:45 +0000)]
switch Triple to take twines instead of stringrefs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135889
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Chris Lattner [Sun, 24 Jul 2011 20:44:30 +0000 (20:44 +0000)]
Add Twine support for characters, and switch twine to use a union internally
to eliminate some casting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135888
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Jakob Stoklund Olesen [Sun, 24 Jul 2011 20:33:23 +0000 (20:33 +0000)]
Never extend live ranges for <undef> uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135886
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