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Vedant Kumar [Mon, 31 Aug 2015 17:44:53 +0000 (17:44 +0000)]
[MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases
Avoid marking some MCSymbols as used in MC/AsmParser.cpp when no uses
exist. This fixes a bug in parseAssignmentExpression() which
inadvertently sets IsUsed, thereby triggering:
"invalid re-assignment of non-absolute variable"
on otherwise valid code. No other functionality change intended.
The original version of this patch touched many calls to MCSymbol
accessors. On rafael's advice, I have stripped this patch down a bit.
As a follow-up, I intend to find the call sites which intentionally set
IsUsed and force them to do so explicitly.
Differential Revision: http://reviews.llvm.org/D12347
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246457
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Davide Italiano [Mon, 31 Aug 2015 17:12:23 +0000 (17:12 +0000)]
[llvm-readobj] Add pair of missing braces.
This fixes a regression introduced in r246151.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246453
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Karl Schimpf [Mon, 31 Aug 2015 16:43:55 +0000 (16:43 +0000)]
Change comment to verify commit accesss.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246451
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Naomi Musgrave [Mon, 31 Aug 2015 16:26:44 +0000 (16:26 +0000)]
Revert "Repress sanitization on User dtor. Modify msan macros for applying attribute"
This reverts commit
5e3bfbb38eb3fb6f568b107f6b239e0aa4c5f334.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246450
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Naomi Musgrave [Mon, 31 Aug 2015 15:57:40 +0000 (15:57 +0000)]
Repress sanitization on User dtor. Modify msan macros for applying attribute
to repress sanitization. Move attribute for repressing sanitization to
operator delete for User, MDNode.
Summary: In response to bug 24578, reported against failing LLVM test.
Reviewers: chandlerc, rsmith, eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12335
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246449
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Benjamin Kramer [Mon, 31 Aug 2015 13:39:14 +0000 (13:39 +0000)]
[SectionMemoryManager] Use range-based for loops. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246440
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Igor Breger [Mon, 31 Aug 2015 13:30:19 +0000 (13:30 +0000)]
AVX512: ktest implemantation
Added tests for encoding.
Differential Revision: http://reviews.llvm.org/D11979
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246439
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Igor Breger [Mon, 31 Aug 2015 13:09:30 +0000 (13:09 +0000)]
AVX512: Implemented encoding and intrinsics for vdbpsadbw
Added tests for intrinsics and encoding.
Differential Revision: http://reviews.llvm.org/D12491
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246436
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Igor Breger [Mon, 31 Aug 2015 11:50:23 +0000 (11:50 +0000)]
AVX512: kadd implementation
Added tests for encoding.
Differential Revision: http://reviews.llvm.org/D11973
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246432
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Igor Breger [Mon, 31 Aug 2015 11:33:50 +0000 (11:33 +0000)]
AVX512: Add encoding tests for vscatter instructions
Differential Revision: http://reviews.llvm.org/D11941
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246431
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Igor Breger [Mon, 31 Aug 2015 11:14:02 +0000 (11:14 +0000)]
AVX512: Implemented encoding and intrinsics for vpalignr
Added tests for intrinsics and encoding.
Differential Revision: http://reviews.llvm.org/D12270
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246428
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Hal Finkel [Mon, 31 Aug 2015 07:51:36 +0000 (07:51 +0000)]
[AggressiveAntiDepBreaker] Check for EarlyClobber on defining instruction
AggressiveAntiDepBreaker was doing some EarlyClobber checking, but was not
checking that the register being potentially renamed was defined by an
early-clobber def where there was also a use, in that instruction, of the
register being considered as the target of the rename. Fixes PR24014.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246423
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Sylvestre Ledru [Mon, 31 Aug 2015 07:10:05 +0000 (07:10 +0000)]
Force the locale when executing ld gold
Summary:
If run with other locales (like French),
the decode operation might fail
Reviewers: rafael
Differential Revision: http://reviews.llvm.org/D12432
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246421
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Jingyue Wu [Mon, 31 Aug 2015 06:10:27 +0000 (06:10 +0000)]
[JumpThreading] make jump threading respect convergent annotation.
Summary:
JumpThreading shouldn't duplicate a convergent call, because that would move a convergent call into a control-inequivalent location. For example,
if (cond) {
...
} else {
...
}
convergent_call();
if (cond) {
...
} else {
...
}
should not be optimized to
if (cond) {
...
convergent_call();
...
} else {
...
convergent_call();
...
}
Test Plan: test/Transforms/JumpThreading/basic.ll
Patch by Xuetian Weng.
Reviewers: resistor, arsenm, jingyue
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12484
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246415
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Frederic Riss [Mon, 31 Aug 2015 05:16:35 +0000 (05:16 +0000)]
[dsymutil] Do not mistakenly reuse the current object file when the next one isn't found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246412
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Frederic Riss [Mon, 31 Aug 2015 05:16:30 +0000 (05:16 +0000)]
[dsymutil] Fix testcase.
This testcase required 2 copies of the same file, and the second
copy was missing. It was currently working because of a bug I'm
about to fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246411
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Frederic Riss [Mon, 31 Aug 2015 05:09:32 +0000 (05:09 +0000)]
[dsymutil] Do not crash on empty debug_range range.
The fix is trivial (The actual patch is 2 lines, but as it changes
indentation it looks like more).
clang does not produce this kind of (slightly bogus) debug info
anymore, thus I had to rely on a hand-crafted assembly test to trigger
that case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246410
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Frederic Riss [Mon, 31 Aug 2015 05:09:26 +0000 (05:09 +0000)]
[dsymutil] Fix caching of current range. NFC.
The current range cache will will just be hit more often, no
visible external change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246409
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Frederic Riss [Mon, 31 Aug 2015 01:43:14 +0000 (01:43 +0000)]
[dsymutil] Fix handling of inlined_subprogram low_pcs
The value of an inlined subprogram low_pc attribute should not
get relocated, but it can happen that it matches the enclosing
function's start address and thus gets the generic treatment.
Special case it to avoid applying the PC offset twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246406
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Frederic Riss [Mon, 31 Aug 2015 00:49:34 +0000 (00:49 +0000)]
[dsymutil] Do not construct a StringRef from a std::string temporary
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246404
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Frederic Riss [Mon, 31 Aug 2015 00:29:09 +0000 (00:29 +0000)]
[dsymutil] Implement -symtab/-s option.
This option dumps the STAB entries that define the debug map(s)
stored in the input binaries, and then exits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246403
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Peter Collingbourne [Mon, 31 Aug 2015 00:09:01 +0000 (00:09 +0000)]
Support: Support LLVM_ENABLE_THREADS=0 in llvm/Support/thread.h.
Specifically, the header now provides llvm::thread, which is either a
typedef of std::thread or a replacement that calls the function synchronously
depending on the value of LLVM_ENABLE_THREADS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246402
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Hal Finkel [Sun, 30 Aug 2015 22:12:50 +0000 (22:12 +0000)]
[PowerPC] Fixup SELECT_CC (and SETCC) patterns with i1 comparison operands
There were really two problems here. The first was that we had the truth tables
for signed i1 comparisons backward. I imagine these are not very common, but if
you have:
setcc i1 x, y, LT
this has the '0 1' and the '1 0' results flipped compared to:
setcc i1 x, y, ULT
because, in the signed case, '1 0' is really '-1 0', and the answer is not the
same as in the unsigned case.
The second problem was that we did not have patterns (at all) for the unsigned
comparisons select_cc nodes for i1 comparison operands. This was the specific
cause of PR24552. These had to be added (and a missing Altivec promotion added
as well) to make sure these function for all types. I've added a bunch more
test cases for these patterns, and there are a few FIXMEs in the test case
regarding code-quality.
Fixes PR24552.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246400
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Elena Demikhovsky [Sun, 30 Aug 2015 13:48:02 +0000 (13:48 +0000)]
NFC: Code style in VectorUtils.cpp
Differential Revision: http://reviews.llvm.org/D12478
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246381
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Renato Golin [Sun, 30 Aug 2015 10:49:04 +0000 (10:49 +0000)]
Revert "Revert "New interface function is added to VectorUtils Value *getSplatValue(Value *Val);""
This reverts commit r246379. It seems that the commit was not the culprit,
and the bot will be investigated for instability.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246380
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Renato Golin [Sun, 30 Aug 2015 10:05:30 +0000 (10:05 +0000)]
Revert "New interface function is added to VectorUtils Value *getSplatValue(Value *Val);"
This reverts commit r246371, as it cause a rather obscure bug in AArch64
test-suite paq8p (time outs, seg-faults). I'll investigate it before
reapplying.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246379
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Chandler Carruth [Sun, 30 Aug 2015 09:54:34 +0000 (09:54 +0000)]
Stop calling the flat out insane ARM target parsing code unless the
architecture string is something quite weird. Similarly delay calling
the BPF parsing code, although that is more reasonable.
To understand why I was motivated to make this change, it cuts the time
for running the ADT TripleTest unittests by a factor of two in
non-optimized builds (the developer default) and reduces my 'check-llvm'
time by a full 15 seconds. The implementation of parseARMArch is *that*
slow. I tried to fix it in the prior series of commits, but frankly,
I have no idea how to finish fixing it. The entire premise of the
function (to allow 'v7a-unknown-linux' or some such to parse as an
'arm-unknown-linux' triple) seems completely insane to me, but I'll let
the ARM folks sort that out. At least it is now out of the critical path
of every developer working on LLVM. It also will likely make some other
folks' code significantly faster as I've heard reports of 2% of time
spent in triple parsing even in optimized builds!
I'm not done making this code faster, but I am done trying to improve
the ARM target parsing code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246378
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Chandler Carruth [Sun, 30 Aug 2015 09:01:38 +0000 (09:01 +0000)]
Remove a linear walk to find the default FPU for a given CPU by directly
expanding the .def file within a StringSwitch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246377
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Hal Finkel [Sun, 30 Aug 2015 08:07:29 +0000 (08:07 +0000)]
[MIR Serialization] static -> static const in getSerializable*MachineOperandTargetFlags
Make the arrays 'static const' instead of just 'static'. Post-commit review
comment from Roman Divacky on IRC. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246376
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Chandler Carruth [Sun, 30 Aug 2015 07:51:04 +0000 (07:51 +0000)]
Teach the target parsing framework to directly compute the length of all
of its strings when expanding the string literals from the macros, and
push all of the APIs to be StringRef instead of C-string APIs.
This (remarkably) removes a very non-trivial number of strlen calls. It
even deletes code and complexity from one of the primary users -- Clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246374
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Hal Finkel [Sun, 30 Aug 2015 07:50:35 +0000 (07:50 +0000)]
[PowerPC/MIR Serialization] Target flags serialization support
Add support for MIR serialization of PowerPC-specific operand target flags
(based on the generic infrastructure added in r244185 and r245383).
I won't even pretend that this is good test coverage, but this includes the
regression test associated with r246372. Adding an MIR test for that fix is far
superior to adding an IR-level test because particular instruction-scheduling
decisions are necessary in order to expose the bug, and using an MIR test we
can start the pipeline post-scheduling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246373
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Hal Finkel [Sun, 30 Aug 2015 07:44:05 +0000 (07:44 +0000)]
[PowerPC] Don't assume ADDISdtprelHA's source is r3
Even through ADDISdtprelHA generally has r3 as its source register, it is
possible for the instruction scheduler to move things around such that some
other register is the source. We need to print the actual source register, not
always r3. Fixes PR24394.
The test case will come in a follow-up commit because it depends on MIR
target-flags parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246372
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Elena Demikhovsky [Sun, 30 Aug 2015 07:28:18 +0000 (07:28 +0000)]
New interface function is added to VectorUtils
Value *getSplatValue(Value *Val);
It complements the CreateVectorSplat(), which creates 2 instructions - insertelement and shuffle with all-zero mask.
The new function recognizes the pattern - insertelement+shuffle and returns the splat value (or nullptr).
It also returns a splat value form ConstantDataVector, for completeness.
Differential Revision: http://reviews.llvm.org/D11124
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246371
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Chandler Carruth [Sun, 30 Aug 2015 05:27:31 +0000 (05:27 +0000)]
Refactor the ARM target parsing to use a def file with macros to expand
the necessary tables.
This will allow me to restructure the code and structures using this to
be significantly more efficient. It also removes the duplication of the
list of several enumerators. It also enshrines that the order of
enumerators match the order of the entries in the tables, something the
implementation code actually uses.
No functionality changed (yet).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246370
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Chandler Carruth [Sun, 30 Aug 2015 02:17:15 +0000 (02:17 +0000)]
[Triple] Use clang-format to normalize the formatting of the ARM target
parsing logic prior to making substantial changes to it.
This parsing logic is incredibly wasteful, so I'm planning to rewrite
it. Just unittesting the triple parsing logic spends well over 80% of
its time in the ARM parsing logic, and others have measured significant
time spent here in real production compiles.
Stay tuned...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246369
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Chandler Carruth [Sun, 30 Aug 2015 02:09:48 +0000 (02:09 +0000)]
[Triple] Stop abusing a class to have only static methods and just use
the namespace that we are already using for the enums that are produced
by the parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246367
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Fiona Glaser [Sat, 29 Aug 2015 23:04:38 +0000 (23:04 +0000)]
SelectionDAG: add missing ComputeSignBits case for SELECT_CC
Identical to SELECT, just with different operand numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246366
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Peter Collingbourne [Sat, 29 Aug 2015 22:34:34 +0000 (22:34 +0000)]
Fix shared library build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246365
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James Molloy [Sat, 29 Aug 2015 11:50:08 +0000 (11:50 +0000)]
[ARM] Fix up buildbots after r246360
I have no idea how I missed this in my internal testing. Just no idea. Sorry for the bot-armageddon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246361
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James Molloy [Sat, 29 Aug 2015 10:49:11 +0000 (10:49 +0000)]
[ARM] Hoist fabs/fneg above a conversion to float.
This is especially visible in softfp mode, for example in the implementation of libm fabs/fneg functions. If we have:
%1 = vmovdrr r0, r1
%2 = fabs %1
then move the fabs before the vmovdrr:
%1 = and r1, #0x7FFFFFFF
%2 = vmovdrr r0, r1
This is never a lose, and could be a serious win because the vmovdrr may be followed by a vmovrrd, which would enable us to remove the conversion into FPRs completely.
We already do this for f32, but not for f64. Tests are added for both.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246360
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Matt Arsenault [Sat, 29 Aug 2015 07:16:50 +0000 (07:16 +0000)]
AMDGPU: Add sdst operand to VOP2b instructions
The VOP3 encoding of these allows any SGPR pair for the i1
output, but this was forced before to always use vcc.
This doesn't yet try to use this, but does add the operand
to the definitions so the main change is adding vcc to the
output of the VOP2 encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246358
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Matt Arsenault [Sat, 29 Aug 2015 06:48:57 +0000 (06:48 +0000)]
AMDGPU: Set mem operands for spill instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246357
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Matt Arsenault [Sat, 29 Aug 2015 06:48:46 +0000 (06:48 +0000)]
AMDGPU: Fix dropping mem operands when moving to VALU
Without a memory operand, mayLoad or mayStore instructions
are treated as hasUnorderedMemRef, which results in much worse
scheduling.
We really should have a verifier check that any
non-side effecting mayLoad or mayStore has a memory operand.
There are a few instructions (interp and images) which I'm
not sure what / where to add these.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246356
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Tom Stellard [Sat, 29 Aug 2015 01:58:21 +0000 (01:58 +0000)]
AMDGPU/SI: Fix some invaild assumptions when folding 64-bit immediates
Summary:
We were assuming tha if the use operand had a sub-register that
the immediate was 64-bits, but this was breaking the case of
folding a 64-bit immediate into another 64-bit instruction.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D12255
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246354
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Tom Stellard [Fri, 28 Aug 2015 23:45:19 +0000 (23:45 +0000)]
AMDGPU/SI: Factor operand folding code into its own function
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D12254
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246353
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NAKAMURA Takumi [Fri, 28 Aug 2015 23:33:17 +0000 (23:33 +0000)]
Revert r246350, "The host and default target triples do not need to match for "native""
Wrong assumption. Consider --host=x86_64-linux --target=(i686|x86_64)-win32. See also r193459.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246352
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Duncan P. N. Exon Smith [Fri, 28 Aug 2015 23:32:00 +0000 (23:32 +0000)]
DI: Update tests before adding !dbg subprogram attachments
I'm working on adding !dbg attachments to functions (PR23367), which
we'll use to determine the canonical subprogram for a function (instead
of the `subprograms:` array in the compile units). This updates a few
old tests in preparation.
Transforms/Mem2Reg/ConvertDebugInfo2.ll had an old-style grep+count
based test that would start to fail because I've added an extra line
with `!dbg`. Instead, explicitly `CHECK` for what I think the test
actually cares about.
All three testcases have subprograms with a valid `function:` reference
-- which means my upgrade script will add a `!dbg` attachment -- but
that aren't referenced from any compile unit. I suspect these testcases
were handreduced over-zealously (or have bitrotted?). Add a reference
from the compile unit so that upcoming Verifier checks won't fail here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246351
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Paul Robinson [Fri, 28 Aug 2015 23:21:15 +0000 (23:21 +0000)]
The host and default target triples do not need to match for "native"
backend to work.
Differential Revision: http://reviews.llvm.org/D12454
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246350
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Duncan P. N. Exon Smith [Fri, 28 Aug 2015 22:58:50 +0000 (22:58 +0000)]
DI: Set DILexicalBlock columns >= 65536 to 0/unknown
This fixes PR24621 and matches what we do for `DILocation`. Although
the limit seems somewhat artificial, there are places in the backend
that also assume 16-bit columns, so we may as well just be consistent
about the limits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246349
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Peter Collingbourne [Fri, 28 Aug 2015 22:17:29 +0000 (22:17 +0000)]
Use UNSUPPORTED instead of XFAIL to disable this test, as it passes on one AArch64 bot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246344
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Peter Collingbourne [Fri, 28 Aug 2015 22:17:28 +0000 (22:17 +0000)]
lit: Match UNSUPPORTED against target triple as we do for XFAIL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246343
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Vedant Kumar [Fri, 28 Aug 2015 21:59:00 +0000 (21:59 +0000)]
[X86] NFC: Clean up and clang-format a few lines
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246340
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Duncan P. N. Exon Smith [Fri, 28 Aug 2015 21:55:35 +0000 (21:55 +0000)]
DI: Add Function::getSubprogram()
Add `Function::setSubprogram()` and `Function::getSubprogram()`,
convenience methods to forward to `setMetadata()` and `getMetadata()`,
respectively, and deal in `DISubprogram` instead of `MDNode`.
Also add a verifier check to enforce that `!dbg` attachments are always
subprograms.
Originally (when I had the llvm-dev discussion back in April) I thought
I'd store a pointer directly on `llvm::Function` for these attachments
-- we frequently have debug info, and that's much cheaper than using map
in the context if there are no other function-level attachments -- but
for now I'm just using the generic infrastructure. Let's add the extra
complexity only if this shows up in a profile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246339
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Duncan P. N. Exon Smith [Fri, 28 Aug 2015 21:38:24 +0000 (21:38 +0000)]
AsmPrinter: Allow null subroutine type
Currently the DWARF backend requires that subprograms have a type, and
the type is ignored if it has an empty type array. The long term
direction here -- see PR23079 -- is instead to skip the type entirely if
there's no valid type.
It turns out we have cases in tree of missing types on subprograms, but
since they're not referenced by compile units, the backend never crashes
on them. One option would be to add a Verifier check that subprograms
have types, and fix the bitrot. However, this is a fair bit of churn
(20-30 testcases) that would be reversed anyway by PR23079.
I found this inconsistency because of a WIP patch and upgrade script for
PR23367 that started crashing on test/DebugInfo/2010-10-01-crash.ll.
This commit updates the testcase to reference the subprogram from the
compile unit, and fixes the resulting crash (in line with the direction
of PR23079). This also updates `DIBuilder` to stop assuming a non-null
pointer for the subroutine types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246333
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David Majnemer [Fri, 28 Aug 2015 21:13:39 +0000 (21:13 +0000)]
Revert r246232 and r246304.
This reverts isSafeToSpeculativelyExecute's use of ReadNone until we
split ReadNone into two pieces: one attribute which reasons about how
the function reasons about memory and another attribute which determines
how it may be speculated, CSE'd, trap, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246331
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Matthew Simpson [Fri, 28 Aug 2015 20:38:33 +0000 (20:38 +0000)]
Remove white space (test commit)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246329
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Rafael Espindola [Fri, 28 Aug 2015 20:33:56 +0000 (20:33 +0000)]
Split the gold tests into X86 and PowerPC directories.
Patch by Than McIntosh!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246328
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Duncan P. N. Exon Smith [Fri, 28 Aug 2015 20:26:49 +0000 (20:26 +0000)]
DI: Require subprogram definitions to be distinct
As a follow-up to r246098, require `DISubprogram` definitions
(`isDefinition: true`) to be 'distinct'. Specifically, add an assembler
check, a verifier check, and bitcode upgrading logic to combat testcase
bitrot after the `DIBuilder` change.
While working on the testcases, I realized that
test/Linker/subprogram-linkonce-weak-odr.ll isn't relevant anymore. Its
purpose was to check for a corner case in PR22792 where two subprogram
definitions match exactly and share the same metadata node. The new
verifier check, requiring that subprogram definitions are 'distinct',
precludes that possibility.
I updated almost all the IR with the following script:
git grep -l -E -e '= !DISubprogram\(.* isDefinition: true' |
grep -v test/Bitcode |
xargs sed -i '' -e 's/= \(!DISubprogram(.*, isDefinition: true\)/= distinct \1/'
Likely some variant of would work for out-of-tree testcases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246327
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Sanjoy Das [Fri, 28 Aug 2015 19:09:34 +0000 (19:09 +0000)]
[IR] Add some asserts to CallInst and InvokeInst; NFCI.
The asserts check that accessors supposed to access call / invoke
arguments only ever access call / invoke arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246316
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Sanjoy Das [Fri, 28 Aug 2015 19:09:31 +0000 (19:09 +0000)]
[InstCombine] Fix PR24605.
PR24605 is caused due to an incorrect insert point in instcombine's IR
builder. When simplifying
%t = add X Y
...
%m = icmp ... %t
the replacement for %t should be placed before %t, not before %m, as
there could be a use of %t between %t and %m.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246315
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Chad Rosier [Fri, 28 Aug 2015 18:30:18 +0000 (18:30 +0000)]
Optimize memcmp(x,y,n)==0 for small n and suitably aligned x/y.
http://reviews.llvm.org/D6952
PR20673
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246313
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Vedant Kumar [Fri, 28 Aug 2015 18:04:20 +0000 (18:04 +0000)]
[test] (NFC) Simplify Transforms/ConstProp/calls.ll
Differential Revision: http://reviews.llvm.org/D12421
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246312
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Petar Jovanovic [Fri, 28 Aug 2015 18:02:53 +0000 (18:02 +0000)]
[mips64][mcjit] Add N64R6 relocations tests and fix N64R2 tests
This patch adds a test for MIPS64R6 relocations, it corrects check
expressions for R_MIPS_26 and R_MIPS_PC16 relocations in MIPS64R2 test, and
it adds run for big endian in MIPS64R2 test.
Patch by Vladimir Radosavljevic.
Differential Revision: http://reviews.llvm.org/D11217
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246311
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Petar Jovanovic [Fri, 28 Aug 2015 17:53:26 +0000 (17:53 +0000)]
[mips] Remove incorrect DebugLoc entries from prologue
This has been causing the prologue_end to be incorrectly positioned.
Patch by Vladimir Radosavljevic.
Differential Revision: http://reviews.llvm.org/D11293
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246309
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Matt Arsenault [Fri, 28 Aug 2015 17:31:28 +0000 (17:31 +0000)]
Make MergeConsecutiveStores look at other stores on same chain
When combiner AA is enabled, look at stores on the same chain.
Non-aliasing stores are moved to the same chain so the existing
code fails because it expects to find an adajcent store on a consecutive
chain.
Because of how DAGCombiner tries these store combines,
MergeConsecutiveStores doesn't see the correct set of stores on the chain
when it visits the other stores. Each store individually has its chain
fixed before trying to merge consecutive stores, and then tries to merge
stores from that point before the other stores have been processed to
have their chains fixed. To fix this, attempt to use FindBetterChain
on any possibly neighboring stores in visitSTORE.
Suppose you have 4 32-bit stores that should be merged into 1 vector
store. One store would be visited first, fixing the chain. What happens is
because not all of the store chains have yet been fixed, 2 of the stores
are merged. The other 2 stores later have their chains fixed,
but because the other stores were already merged, they have different
memory types and merging the two different sized stores is not
supported and would be more difficult to handle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246307
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David Majnemer [Fri, 28 Aug 2015 17:19:54 +0000 (17:19 +0000)]
Test case for r246304.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246306
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JF Bastien [Fri, 28 Aug 2015 16:49:09 +0000 (16:49 +0000)]
Remove Merge Functions pointer comparisons
Summary:
This patch removes two remaining places where pointer value comparisons
are used to order functions: comparing range annotation metadata, and comparing
block address constants. (These are both rare cases, and so no actual
non-determinism was observed from either case).
The fix for range metadata is simple: the annotation always consists of a pair
of integers, so we just order by those integers.
The fix for block addresses is more subtle. Two constants are the same if they
are the same basic block in the same function, or if they refer to corresponding
basic blocks in each respective function. Note that in the first case, merging
is trivially correct. In the second, the correctness of merging relies on the
fact that the the values of block addresses cannot be compared. This change is
actually an enhancement, as these functions could not previously be merged (see
merge-block-address.ll).
There is still a problem with cross function block addresses, in that constants
pointing to a basic block in a merged function is not updated.
This also more robustly compares floating point constants by all fields of their
semantics, and fixes a dyn_cast/cast mixup.
Author: jrkoenig
Reviewers: dschuff, nlewycky, jfb
Subscribers llvm-commits
Differential revision: http://reviews.llvm.org/D12376
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246305
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David Majnemer [Fri, 28 Aug 2015 16:44:09 +0000 (16:44 +0000)]
[CodeGen] isInTailCallPosition didn't consider readnone tailcalls
A readnone tailcall may still have a chain of computation which follows
it that would invalidate a tailcall lowering. Don't skip the analysis
in such cases.
This fixes PR24613.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246304
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James Molloy [Fri, 28 Aug 2015 14:40:29 +0000 (14:40 +0000)]
[LoopUtils] Move a private constructor nearer the other private members
This was part of Adam Nemet's review feedback that I forgot to implement.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246301
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Sanjay Patel [Fri, 28 Aug 2015 14:09:48 +0000 (14:09 +0000)]
[x86] enable machine combiner reassociations for scalar 'and' insts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246300
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Davide Italiano [Fri, 28 Aug 2015 12:40:05 +0000 (12:40 +0000)]
[MC] Convert tests to use llvm-readobj --macho-version-min.
As an added bonus this also tests the newly introduced feature.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246296
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Rui Ueyama [Fri, 28 Aug 2015 10:27:50 +0000 (10:27 +0000)]
llvm-readobj: Dump more info for COFF import libraries.
This patch teaches llvm-readobj to print out COFF import file header fields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246291
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Chandler Carruth [Fri, 28 Aug 2015 09:03:52 +0000 (09:03 +0000)]
[SROA] Fix PR24463, a crash I introduced in SROA by allowing it to
handle more allocas with loads past the end of the alloca.
I suspect there are some related crashers with slightly different
patterns, but I'll fix those and add test cases as I find them.
Thanks to David Majnemer for the excellent test case reduction here.
Made this super simple to debug and fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246289
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Rui Ueyama [Fri, 28 Aug 2015 07:48:41 +0000 (07:48 +0000)]
Attempt to unbreak Win32 build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246284
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Rui Ueyama [Fri, 28 Aug 2015 07:40:30 +0000 (07:40 +0000)]
Re-apply r246276 - Object: Teach llvm-ar to create symbol table for COFF short import files
This patch includes a fix for a llvm-readobj test. With this patch,
the tool does no longer print out COFF headers for the short import
file, but that's probably desirable because the header for the short
import file is dummy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246283
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Steven Wu [Fri, 28 Aug 2015 06:52:00 +0000 (06:52 +0000)]
Revert r246244 and r246243
These two commits cause clang/llvm bootstrap to hang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246279
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Rui Ueyama [Fri, 28 Aug 2015 06:03:01 +0000 (06:03 +0000)]
Rollback r246276 - Object: Teach llvm-ar to create symbol table for COFF short import files
This change caused a test for llvm-readobj to fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246277
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Rui Ueyama [Fri, 28 Aug 2015 05:47:46 +0000 (05:47 +0000)]
Object: Teach llvm-ar to create symbol table for COFF short import files.
COFF short import files are special kind of files that contains only
DLL-exported symbol names. That's different from object files because
it has no data except symbol names.
This change implements a SymbolicFile interface for the short import
files so that symbol names can be accessed through that interface.
llvm-ar is now able to read the file and create symbol table entries
for short import files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246276
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NAKAMURA Takumi [Fri, 28 Aug 2015 05:38:49 +0000 (05:38 +0000)]
LLVMCodeGen: Update libdeps corresponding to r246236.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246274
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Peter Collingbourne [Fri, 28 Aug 2015 04:07:52 +0000 (04:07 +0000)]
Tweak XFAIL line for mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246269
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NAKAMURA Takumi [Fri, 28 Aug 2015 03:34:33 +0000 (03:34 +0000)]
Kaleidoscope: Prune __attribute__((used)). Some compilers wouldn't accept one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246268
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NAKAMURA Takumi [Fri, 28 Aug 2015 03:32:43 +0000 (03:32 +0000)]
Disable llvm/test/Examples/ for now while investigating.
FIXME:
- Introduce explicit mapping.
- Investigate crash on win32. Could we introduce crash handler in examples?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246267
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Peter Collingbourne [Fri, 28 Aug 2015 02:14:15 +0000 (02:14 +0000)]
XFAIL parallel.ll test on MIPS and AArch64 until test failures can be investigated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246261
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Ahmed Bougacha [Fri, 28 Aug 2015 01:49:59 +0000 (01:49 +0000)]
[CodeGen] Support (and default to) expanding READCYCLECOUNTER to 0.
For targets that didn't support this, this will let us respect the
langref instead of failing to select.
Note that we don't need to change the 32-bit x86/PPC lowerings (to
account for the result type/# difference) because they're both
custom and bypass type legalization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246258
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Joseph Tremoulet [Fri, 28 Aug 2015 01:12:35 +0000 (01:12 +0000)]
[WinEH] Update coloring to handle nested cases cleanly
Summary:
Change the coloring algorithm in WinEHPrepare to visit a funclet's exits
in its parents' contexts and so properly classify the continuations of
nested funclets.
Also change the placement of cloned blocks to be deterministic and to
maintain the relative order of each funclet's blocks.
Add a lit test showing various patterns that require cloning, the last
several of which don't have CHECKs yet because they require cloning
entire funclets which is NYI.
Reviewers: rnk, andrew.w.kaylor, majnemer
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12353
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246245
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Piotr Padlewski [Fri, 28 Aug 2015 01:02:00 +0000 (01:02 +0000)]
Constant propagation after hitting assume(cmp) bugfix
Last time code run into assertion `BBE.isSingleEdge()` in
lib/IR/Dominators.cpp:200.
http://reviews.llvm.org/D12170
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246244
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Piotr Padlewski [Fri, 28 Aug 2015 01:01:57 +0000 (01:01 +0000)]
Constant propagation after hiting llvm.assume
After hitting @llvm.assume(X) we can:
- propagate equality that X == true
- if X is icmp/fcmp (with eq operation), and one of operand
is constant we can change all variables with constants in the same BasicBlock
http://reviews.llvm.org/D11918
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246243
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NAKAMURA Takumi [Fri, 28 Aug 2015 00:36:58 +0000 (00:36 +0000)]
[CMake] Fix build on MSVC in r246156.
add_windows_version_resource_file() affects ALL_FILES. OBJLIB shouldn't have *.obj as SOURCES.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246241
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George Burgess IV [Fri, 28 Aug 2015 00:16:18 +0000 (00:16 +0000)]
Fix: CFLAA -- Mark no-args returns as unknown
Prior to this patch, we hadn't been marking StratifiedSets with the
appropriate StratifiedAttrs when handling the result of no-args call
instructions. This caused us to report NoAlias when handed, for
example, an escaped alloca and a result from an opaque function. Now we
properly mark the return value of said functions.
Thanks again to Chandler, Richard, and Nick for pinging me about this.
Differential review: http://reviews.llvm.org/D12408
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246240
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Quentin Colombet [Thu, 27 Aug 2015 23:47:10 +0000 (23:47 +0000)]
[AArch64][CollectLOH] Fix a regression that prevented us to detect chains of
more than 2 instructions.
I introduced this regression a while back and did not noticed it because I
somehow forgot to push the initial test cases for the pass!
Fix that as well!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246239
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Peter Collingbourne [Thu, 27 Aug 2015 23:37:36 +0000 (23:37 +0000)]
CodeGen: Introduce splitCodeGen and teach LTOCodeGenerator to use it.
llvm::splitCodeGen is a function that implements the core of parallel LTO
code generation. It uses llvm::SplitModule to split the module into linkable
partitions and spawning one code generation thread per partition. The function
produces multiple object files which can be linked in the usual way.
This has been threaded through to LTOCodeGenerator (and llvm-lto for testing
purposes). Separate patches will add parallel LTO support to the gold plugin
and lld.
Differential Revision: http://reviews.llvm.org/D12260
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246236
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Reid Kleckner [Thu, 27 Aug 2015 23:27:47 +0000 (23:27 +0000)]
[WinEH] Add some support for code generating catchpad
We can now run 32-bit programs with empty catch bodies. The next step
is to change PEI so that we get funclet prologues and epilogues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246235
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Michael J. Spencer [Thu, 27 Aug 2015 23:11:20 +0000 (23:11 +0000)]
[yaml2obj] Support numeric indexes to create invalid files. Will be used by lld test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246233
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David Majnemer [Thu, 27 Aug 2015 23:03:01 +0000 (23:03 +0000)]
[ValueTracking] readnone CallInsts are fair game for speculation
Any call which is side effect free is trivially OK to speculate. We
already had similar logic in EarlyCSE and GVN but we were missing it
from isSafeToSpeculativelyExecute.
This fixes PR24601.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246232
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Lang Hames [Thu, 27 Aug 2015 22:20:05 +0000 (22:20 +0000)]
Add a global mapping layer for Orc. Adapted from a patch by Andy Somogyi.
Thanks Andy!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246226
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Peter Collingbourne [Thu, 27 Aug 2015 21:52:31 +0000 (21:52 +0000)]
Support: Introduce thread.h.
This header is a wrapper for <thread> that works around problems with the
MSVC headers when exceptions are disabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246218
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Ahmed Bougacha [Thu, 27 Aug 2015 21:46:04 +0000 (21:46 +0000)]
[CodeGen] Check FoldConstantArithmetic result before using it.
Fixes PR24602: r245689 introduced an unguarded use of
SelectionDAG::FoldConstantArithmetic, which returns 0 when it fails
because of opaque (hoisted) constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246217
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Ahmed Bougacha [Thu, 27 Aug 2015 20:43:34 +0000 (20:43 +0000)]
[TableGen][DAGISel] Dedup predicates with same code to run. NFCI.
I locally hit the 255 limit, but a lot of these are redundant: each
predicate coming from a different record was allocated a new number,
even when we already emitted the same code for another predicate.
Instead, re-use numbers and emit the predicate code only once.
This reduces the total text size of *DAGISel.cpp.o by ~1%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246208
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Tyler Nowicki [Thu, 27 Aug 2015 20:43:29 +0000 (20:43 +0000)]
Fix test introduced in r246187 that failed on some systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246207
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Lang Hames [Thu, 27 Aug 2015 20:33:22 +0000 (20:33 +0000)]
Oops - Re-add the Kaleidoscope regression tests themselves (accidentally left
out of r246201).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246203
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