Richard Smith [Wed, 11 Mar 2015 00:00:51 +0000 (00:00 +0000)]
[modules] Fix iterator invalidation issue with names being added to a module
while we're writing out the identifier table.
llvm-svn: 231890
Andrew Kaylor [Tue, 10 Mar 2015 23:55:38 +0000 (23:55 +0000)]
Fix Value dangling reference debug output
llvm-svn: 231889
Eric Christopher [Tue, 10 Mar 2015 23:46:01 +0000 (23:46 +0000)]
Have TargetRegisterInfo::getLargestLegalSuperClass take a
MachineFunction argument so that it can look up the subtarget
rather than using a cached one in some Targets.
llvm-svn: 231888
Eric Christopher [Tue, 10 Mar 2015 23:45:55 +0000 (23:45 +0000)]
Remove subtarget dependence from HexagonRegisterInfo.
llvm-svn: 231887
Rafael Espindola [Tue, 10 Mar 2015 23:44:12 +0000 (23:44 +0000)]
Split test in two to handle building without x86.
llvm-svn: 231886
Jason Molenda [Tue, 10 Mar 2015 23:34:52 +0000 (23:34 +0000)]
If the user specifies a kernel binary that isn't correct for the current
kernel debug session, instead of issuing a warning (which on one ever
sees), drop the user-specified kernel binary Module from the target and
try to discover the correct one dynamically.
<rdar://problem/
19450329>
llvm-svn: 231885
Zachary Turner [Tue, 10 Mar 2015 23:22:25 +0000 (23:22 +0000)]
Update build instructions / coding conventions.
This improves the instructions for checking out LLDB, adds
more links to LLVM instructions, and more explicitly calls out
when we differ from the style guide.
Also updates the clang-format configuration file to correctly
reflect a 120 column limit.
Reviewed by: Jim Ingham
Differential Revision: http://reviews.llvm.org/D8222
llvm-svn: 231884
Eric Christopher [Tue, 10 Mar 2015 23:22:04 +0000 (23:22 +0000)]
Remove dead code.
llvm-svn: 231883
Rafael Espindola [Tue, 10 Mar 2015 23:06:32 +0000 (23:06 +0000)]
Add missing section symbol to COFF's .debug_types.dwo.
Should bring the cygwin bots back.
I added a triple to the test that was failing so that it would have failed
on Linux.
llvm-svn: 231882
Philip Reames [Tue, 10 Mar 2015 22:52:37 +0000 (22:52 +0000)]
If a conditional branch jumps to the same target, remove the condition
Given that large parts of inst combine is restricted to instructions which have one use, getting rid of a use on the condition can help the effectiveness of the optimizer. Also, it allows the condition to potentially be deleted by instcombine rather than waiting for another pass.
I noticed this completely by accident in another test case. It's not anything that actually came from a real workload.
p.s. We should probably do the same thing for switch instructions.
Differential Revision: http://reviews.llvm.org/D8220
llvm-svn: 231881
Paul Robinson [Tue, 10 Mar 2015 22:44:45 +0000 (22:44 +0000)]
Emit correct linkage-name attribute based on DWARF version.
There are still 4 tests that check for DW_AT_MIPS_linkage_name,
because they specify DWARF 2 or 3 in the module metadata. So, I didn't
create an explicit version-based test for the attribute.
Differential Revision: http://reviews.llvm.org/D8227
llvm-svn: 231880
Philip Reames [Tue, 10 Mar 2015 22:43:20 +0000 (22:43 +0000)]
Infer known bits from dominating conditions
This patch adds limited support in ValueTracking for inferring known bits of a value from conditional expressions which must be true to reach the instruction we're trying to optimize. At this time, the feature is off by default. Once landed, I'm hoping for feedback from others on both profitability and compile time impact.
Forms of conditional value propagation have been tried in LLVM before and have failed due to compile time problems. In an attempt to side step that, this patch only considers conditions where the edge leaving the branch dominates the context instruction. It does not attempt full dataflow. Even with that restriction, it handles many interesting cases:
* Early exits from functions
* Early exits from loops (for context instructions in the loop and after the check)
* Conditions which control entry into loops, including multi-version loops (such as those produced during vectorization, IRCE, loop unswitch, etc..)
Possible applications include optimizing using information provided by constructs such as: preconditions, assumptions, null checks, & range checks.
This patch implements two approaches to the problem that need further benchmarking. Approach 1 is to directly walk the dominator tree looking for interesting conditions. Approach 2 is to inspect other uses of the value being queried for interesting comparisons. From initial benchmarking, it appears that Approach 2 is faster than Approach 1, but this needs to be further validated.
Differential Revision: http://reviews.llvm.org/D7708
llvm-svn: 231879
Tobias Grosser [Tue, 10 Mar 2015 22:35:43 +0000 (22:35 +0000)]
Assert in isl expression builder if id can not be found [NFC]
llvm-svn: 231865
Dan Albert [Tue, 10 Mar 2015 22:31:49 +0000 (22:31 +0000)]
Copy data files to the remote runner.
Summary:
The data files for any given test will be in the same directory as the
source with a file name that matches *.dat. To make these available to
tests running remotely (such as over adb or ssh), copy them into the
test's remote working directory.
Note that we will perform more copies than we actually need. The data
files in the directory may only be used by one of the tests, but will
be copied for all tests in the same directory.
This patch also moves the remote test binary into the working
directory (previously it was only invoked from the working directory
rather than existing in it).
Reviewers: EricWF, jroelofs
Reviewed By: jroelofs
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D8118
llvm-svn: 231864
Anton Yartsev [Tue, 10 Mar 2015 22:24:21 +0000 (22:24 +0000)]
[analyzer] Make getCheckIfTracked() return either leak or regular checker.
llvm-svn: 231863
Eric Christopher [Tue, 10 Mar 2015 22:03:27 +0000 (22:03 +0000)]
Update clang for llvm r231861.
llvm-svn: 231862
Eric Christopher [Tue, 10 Mar 2015 22:03:14 +0000 (22:03 +0000)]
Remove the use of the subtarget in MCCodeEmitter creation and
update all ports accordingly. Required a couple of small rewrites
in handling subtarget features during creation in PPC.
llvm-svn: 231861
Rafael Espindola [Tue, 10 Mar 2015 22:00:25 +0000 (22:00 +0000)]
Create symbols marking the start of a section earlier.
This lets us pass the symbol to the constructor and avoid the mutable field.
This also opens the way for outputting the symbol only when needed, instead
of outputting them at the start of the file.
llvm-svn: 231859
Ilia K [Tue, 10 Mar 2015 21:59:55 +0000 (21:59 +0000)]
Add =shlibs-added/=shlibs-removed notifications (MI)
Summary:
This patch adds =shlibs-added/=shlibs-removed notifications in lldb-mi. In more detail:
# Add Target::ModulesDidLoad/ModulesDidUnload notifications
# Improve Target::TargetEventData:
## Refactoring
## Move it back to include/lldb/Target/Target.h
## Add Target::{GetModuleListFromEvent,GetModuleList}; Add Target::m_module_list
# Add SBModule::{GetSymbolVendorMainFileSpec,GetObjectFileHeaderAddress}
# Add SBTarget::{EventIsTaretEvent,GetTargetFromEvent,GetNumModulesFromEvent,GetModuleAtIndexFromEvent}
All tests pass on OS X.
Reviewers: abidh, zturner, jingham, clayborg
Reviewed By: clayborg
Subscribers: jingham, zturner, lldb-commits, clayborg, abidh
Differential Revision: http://reviews.llvm.org/D8201
llvm-svn: 231858
Eric Christopher [Tue, 10 Mar 2015 21:57:34 +0000 (21:57 +0000)]
Remove createAMDGPUMCCodeEmitter and instead just register the correct
MCCodeEmitter creation routine based on TargetMachine since the only
64-bit R600 gpus are part of the GCN target.
llvm-svn: 231856
Quentin Colombet [Tue, 10 Mar 2015 21:48:15 +0000 (21:48 +0000)]
[CodeGenPrepare] Refine the cost model provided by the promotion helper.
- Use TargetLowering to check for the actual cost of each extension.
- Provide a factorized method to check for the cost of an extension:
TargetLowering::isExtFree.
- Provide a virtual method TargetLowering::isExtFreeImpl for targets to be able
to tune the cost of non-free extensions.
This refactoring offers a better granularity to model what really happens on
different targets.
No performance changes and very few code differences.
Part of <rdar://problem/
19267165>
llvm-svn: 231855
Adam Nemet [Tue, 10 Mar 2015 21:47:39 +0000 (21:47 +0000)]
[LoopAccesses] Add debug message to indicate the result of the analysis
The debug message was pretty confusing here. It only reported the
situation with memchecks without the result of the dependence analysis.
Now it prints whether the loop is safe from the POV of the dependence
analysis and if yes, whether we need memchecks.
llvm-svn: 231854
Rafael Espindola [Tue, 10 Mar 2015 21:35:16 +0000 (21:35 +0000)]
Move a non-trivial virtual function out of line.
llvm-svn: 231853
Eric Fiselier [Tue, 10 Mar 2015 21:32:53 +0000 (21:32 +0000)]
Remove unneeded const_cast in readPointerHelper. Pointed out by jroelofs
llvm-svn: 231852
Fariborz Jahanian [Tue, 10 Mar 2015 21:28:33 +0000 (21:28 +0000)]
[Objective-C Sema]. Remove -Wreceiver-is-weak warning.
It is incorrect and better warning is issued under
-Warc-repeated-use-of-weak. rdar://
16316934.
llvm-svn: 231851
Colin LeMahieu [Tue, 10 Mar 2015 21:24:13 +0000 (21:24 +0000)]
[Hexagon] Adding frame index + add load/store patterns.
llvm-svn: 231850
Ilia K [Tue, 10 Mar 2015 21:18:59 +0000 (21:18 +0000)]
Add SymbolVendor::GetMainFileSpec and simplify CommandObjectTargetModulesList::PrintModule
Summary:
Add SymbolVendor::GetMainFileSpec and simplify CommandObjectTargetModulesList::PrintModule.
All tests pass on OS X.
Reviewers: abidh, clayborg
Reviewed By: clayborg
Subscribers: lldb-commits, clayborg, abidh
Differential Revision: http://reviews.llvm.org/D8002
llvm-svn: 231849
Rafael Espindola [Tue, 10 Mar 2015 21:16:18 +0000 (21:16 +0000)]
clang-format code that is about to change.
llvm-svn: 231848
Colin LeMahieu [Tue, 10 Mar 2015 21:12:32 +0000 (21:12 +0000)]
[Hexagon] Simplifying deallocret definitions.
llvm-svn: 231847
Rafael Espindola [Tue, 10 Mar 2015 21:05:09 +0000 (21:05 +0000)]
clang-format these declarations. NFC.
llvm-svn: 231846
Rafael Espindola [Tue, 10 Mar 2015 21:01:50 +0000 (21:01 +0000)]
Don't repeat names in comments. NFC.
llvm-svn: 231845
Colin LeMahieu [Tue, 10 Mar 2015 20:56:22 +0000 (20:56 +0000)]
[Hexagon] Separating InstHexagon from OpcodeHexagon.
llvm-svn: 231844
Nemanja Ivanovic [Tue, 10 Mar 2015 20:51:07 +0000 (20:51 +0000)]
Add support for part-word atomics for PPC
http://reviews.llvm.org/D8090#inline-67337
llvm-svn: 231843
Chris Bieneman [Tue, 10 Mar 2015 20:48:02 +0000 (20:48 +0000)]
Add new LLVM_OPTIMIZED_TABLEGEN build setting which configures, builds and uses a release tablegen build when LLVM is configured with assertions enabled.
Summary: This change leverages the cross-compiling functionality in the build system to build a release tablegen executable for use during the build.
Reviewers: resistor, rnk
Reviewed By: rnk
Subscribers: rnk, joker.eph, llvm-commits
Differential Revision: http://reviews.llvm.org/D7349
llvm-svn: 231842
Eric Fiselier [Tue, 10 Mar 2015 20:46:04 +0000 (20:46 +0000)]
Use generic feature name for sanitizers that replace new and delete
llvm-svn: 231841
Ahmed Bougacha [Tue, 10 Mar 2015 20:45:38 +0000 (20:45 +0000)]
[AArch64] Avoid going through GPRs for across-vector instructions.
This adds new node types for each intrinsic.
For instance, for addv, we have AArch64ISD::UADDV, such that:
(v4i32 (uaddv ...))
is the same as
(v4i32 (scalar_to_vector (i32 (int_aarch64_neon_uaddv ...))))
that is,
(v4i32 (INSERT_SUBREG (v4i32 (IMPLICIT_DEF)),
(i32 (int_aarch64_neon_uaddv ...)), ssub)
In a combine, we transform all such across-vector-lanes intrinsics to:
(i32 (extract_vector_elt (uaddv ...), 0))
This has one big advantage: by making the extract_element explicit, we
enable the existing patterns for lane-aware instructions to fire.
This lets us avoid needlessly going through the GPRs. Consider:
uint32x4_t test_mul(uint32x4_t a, uint32x4_t b) {
return vmulq_n_u32(a, vaddvq_u32(b));
}
We now generate:
addv.4s s1, v1
mul.4s v0, v0, v1[0]
instead of the previous:
addv.4s s1, v1
fmov w8, s1
dup.4s v1, w8
mul.4s v0, v1, v0
rdar://
20044838
llvm-svn: 231840
Eric Fiselier [Tue, 10 Mar 2015 20:43:34 +0000 (20:43 +0000)]
[libcxx] Fix PR21580 - Undefined behavior in readEncodedPointer()
Summary: This patch fixes a bug in `readEncodedPointer()` where it would read from memory that was not suitably aligned. This patch fixes it by using memcpy.
Reviewers: danalbert, echristo, compnerd, mclow.lists
Reviewed By: compnerd, mclow.lists
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D8179
llvm-svn: 231839
Ahmed Bougacha [Tue, 10 Mar 2015 20:37:19 +0000 (20:37 +0000)]
[AArch64] Remove integer INSvi*lane patterns. NFCI.
Most are redundant, and they never seem to fire.
The V128 integer patterns already exist in the INS multiclass.
The duplicates only fire when the vector index type isn't i64,
because they accept "imm" instead of an explicit "i64", as the
instruction definition patterns do.
TLI::getVectorIdxTy is i64 on AArch64, so this should never happen.
Also, one of them had a typo: for i64, INSvi32lane was used.
I noticed because I mistakenly used an explicit i32 as the idx type,
and got ins.s for an i64 vector_insert.
The V64 patterns also don't seem to ever fire, as V64 vector
extract/insert are legalized to V128.
The equivalent float patterns are unique and useful, so keep them.
No functional change intended; none exhibited on the LIT and LNT tests.
llvm-svn: 231838
Chad Rosier [Tue, 10 Mar 2015 20:29:59 +0000 (20:29 +0000)]
Don't evaluate rend() on every iteration of the loop.
llvm-svn: 231837
David Majnemer [Tue, 10 Mar 2015 20:23:29 +0000 (20:23 +0000)]
LoopAccessAnalysis: Silence -Wreturn-type diagnostic from GCC
llvm-svn: 231836
Tobias Grosser [Tue, 10 Mar 2015 20:23:14 +0000 (20:23 +0000)]
Ensure the functions in our GPURuntime are visible
llvm-svn: 231835
Benjamin Kramer [Tue, 10 Mar 2015 20:07:44 +0000 (20:07 +0000)]
Don't use LLVM_LIBRARY_VISIBILITY in cpp files.
llvm-svn: 231831
Bruno Cardoso Lopes [Tue, 10 Mar 2015 20:05:23 +0000 (20:05 +0000)]
[AsmPrinter][TLOF] Reintroduce AArch64 test
Follow up from r231505.
Fix the non-determinism by using a MapVector and reintroduce the AArch64
testcase. Defer deleting the got candidates up to the end and remove
them in a bulk, avoiding linear time removal of each element.
Thanks to Renato Golin for trying it out on other platforms.
llvm-svn: 231830
Colin LeMahieu [Tue, 10 Mar 2015 20:04:44 +0000 (20:04 +0000)]
[Hexagon] Adding nodes for PIC support.
llvm-svn: 231829
Colin LeMahieu [Tue, 10 Mar 2015 19:53:14 +0000 (19:53 +0000)]
[Hexagon] Adding DuplexInst instruction format and duplex class defs.
llvm-svn: 231828
Kit Barton [Tue, 10 Mar 2015 19:49:38 +0000 (19:49 +0000)]
Change the generation of the vmuluwm instruction to be based on the MUL opcode.
Phabricator review: http://reviews.llvm.org/D8185
llvm-svn: 231827
Sanjay Patel [Tue, 10 Mar 2015 19:42:57 +0000 (19:42 +0000)]
remove function names from comments; NFC
llvm-svn: 231826
Colin LeMahieu [Tue, 10 Mar 2015 19:40:03 +0000 (19:40 +0000)]
[Hexagon] Adding nodes for vector insert/extract lowering.
llvm-svn: 231825
Colin LeMahieu [Tue, 10 Mar 2015 19:29:53 +0000 (19:29 +0000)]
[Hexagon] Renaming HexagonJT to JT and adding CP for constantpool.
llvm-svn: 231824
Adrian Prantl [Tue, 10 Mar 2015 19:23:37 +0000 (19:23 +0000)]
Change the datatype of DwarfExpression::Emit(Un)Signed to (u)int64_t
so it matches the one used by ByteStreamer::Emit(U|S)LEB128.
llvm-svn: 231823
Benjamin Kramer [Tue, 10 Mar 2015 19:20:52 +0000 (19:20 +0000)]
NVPTX: move NVPTXAllocaHoisting into the cpp file
Also initialize without using static initialization.
llvm-svn: 231822
Adam Nemet [Tue, 10 Mar 2015 19:12:41 +0000 (19:12 +0000)]
[LAA-memchecks] Comment improvement
I forgot to roll this into r231816. It was requested by Hal in D8122.
llvm-svn: 231821
Michael Zolotukhin [Tue, 10 Mar 2015 19:07:41 +0000 (19:07 +0000)]
Enable loop-rotate before loop-vectorize by default
llvm-svn: 231820
David Majnemer [Tue, 10 Mar 2015 19:01:51 +0000 (19:01 +0000)]
MS ABI: Mangle the location of the catchable type into it's name
Because the catchable type has a reference to its name, mangle the
location to ensure that two catchable types with different locations are
distinct.
llvm-svn: 231819
Adam Nemet [Tue, 10 Mar 2015 18:54:26 +0000 (18:54 +0000)]
[LAA-memchecks 3/3] Introduce pointer partitions for memchecks
This is the final patch that actually introduces the new parameter of
partition mapping to RuntimePointerCheck::needsChecking.
Another API (LAI::getInstructionsForAccess) is also exposed that helps
to map pointers to instructions because ultimately we partition
instructions.
The WIP version of the Loop Distribution pass in D6930 has been adapted
to use all this. See for example, how
InstrPartitionContainer::computePartitionSetForPointers sets up the
partitions using the above API and then calls to LAI::addRuntimeCheck
with the pointer partitions.
llvm-svn: 231818
Adam Nemet [Tue, 10 Mar 2015 18:54:23 +0000 (18:54 +0000)]
[LAA-memchecks 2/3] Move number of memcheck threshold checking to LV
Now the analysis won't "fail" if the memchecks exceed the threshold. It
is the transform pass' responsibility to perform the check.
This allows the transform pass to further analyze/eliminate the
memchecks. E.g. in Loop distribution we only need to check pointers
that end up in different partitions.
Note that there is a slight change of functionality here. The logic in
analyzeLoop is that if dependence checking fails due to non-constant
distance between the pointers, another attempt is made to prove safety
of the dependences purely using run-time checks.
Before this patch we could fail the loop due to exceeding the memcheck
threshold after the first step, now we only check the threshold in the
client after the full analysis. There is no measurable compile-time
effect but I wanted to record this here.
llvm-svn: 231817
Adam Nemet [Tue, 10 Mar 2015 18:54:19 +0000 (18:54 +0000)]
[LAA-memchecks 1/3] Split out NumComparisons checks. NFC
The check for the number of memchecks will be moved to the client of
this analysis. Besides allowing for transform-specific thresholds, this
also lets Loop Distribution post-process the memchecks; Loop
Distribution only needs memchecks between pointers of different
partitions.
The motivation for this first patch is to untangle the CanDoRT check
from the NumComparison check before moving the NumComparison part.
CanDoRT means that we couldn't determine the bounds for the pointer.
Note that NumComparison is set independent of this flag.
llvm-svn: 231816
Dan Albert [Tue, 10 Mar 2015 18:43:16 +0000 (18:43 +0000)]
Factor out RemoteExecutor from SSHExecutor.
Summary:
A lot of the pieces of SSHExecutor can be shared with my AdbExecutor
(https://android-review.googlesource.com/#/c/138807/).
Reviewers: EricWF, jroelofs
Reviewed By: jroelofs
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D8117
llvm-svn: 231815
John McCall [Tue, 10 Mar 2015 18:41:23 +0000 (18:41 +0000)]
Recognize objc_bridge(id) on bridged casts to CF types.
Fixes <rdar://
20107345>.
llvm-svn: 231814
Sanjay Patel [Tue, 10 Mar 2015 18:41:22 +0000 (18:41 +0000)]
remove names from comments; NFC
llvm-svn: 231813
Sanjay Patel [Tue, 10 Mar 2015 18:37:05 +0000 (18:37 +0000)]
fix typos; NFC
llvm-svn: 231812
Benjamin Kramer [Tue, 10 Mar 2015 18:24:01 +0000 (18:24 +0000)]
Make helper functions static. NFC.
llvm-svn: 231811
Benjamin Kramer [Tue, 10 Mar 2015 18:19:24 +0000 (18:19 +0000)]
NVPTX: Remove copy of LLVMInitializeNVPTXAsmPrinter.
If anyone is using this for some strange reason,
LLVMInitializeNVPTXAsmPrinter does exactly the same thing and is what
other LLVM tools are calling.
llvm-svn: 231810
Benjamin Kramer [Tue, 10 Mar 2015 18:19:16 +0000 (18:19 +0000)]
Hexagon: Remove unused InstrMapping.
llvm-svn: 231809
Robert Flack [Tue, 10 Mar 2015 18:07:47 +0000 (18:07 +0000)]
Add Debugger::InitializeForLLGS to allow ref counted LLGS initialization.
After http://reviews.llvm.org/D8133 landed as r231550 process launch on remote platform stopped working.
This adds Debugger::InitializeForLLGS and tracks whether one or both of Initialize and InitializeForLLGS have been called, calling only the corresponding lldb_private::Terminate* methods as necessary. Since lldb_private::Terminate calls lldb_private::TerminateForLLGS, the latter method may be called twice if Initialize was called for both however the terminate methods ensure they are only called once after being initialized.
This still maintains the reduced binary size, though it does now technically link in lldb_private::Terminate on lldb-server even though this should never be called.
This should resolve the issue raised in http://reviews.llvm.org/D8133 where Debugger::Terminate assumed that there were 0 references to debugger and terminated early.
Differential Revision: http://reviews.llvm.org/D8183
llvm-svn: 231808
Adam Nemet [Tue, 10 Mar 2015 17:40:43 +0000 (17:40 +0000)]
[LoopAccesses 3/3] Print the dependences with -analyze
The dependences are now expose through the new getInterestingDependences
API so we can use that with -analyze too and fix the FIXME.
This lets us remove the test that relied on -debug to check the
dependences.
llvm-svn: 231807
Adam Nemet [Tue, 10 Mar 2015 17:40:37 +0000 (17:40 +0000)]
[LoopAccesses 2/3] Allow querying of interesting dependences
Gather an array of interesting dependences rather than just failing
after the first unsafe one and regarding the loop unsafe. Loop
Distribution needs to be able to collect all dependences in order to
isolate the dependence cycles into their own partition.
Since the dependence checking algorithm is quadratic in terms of
accesses sharing the same underlying pointer, I am applying a cut-off
threshold (MaxInterestingDependence). Exceeding that, the logic reverts
back to the original approach deeming the loop unsafe upon encountering
the first unsafe dependence.
The main idea of the patch is to split isDepedent from directly
answering the question whether the dep is safe for vectorization to
return a dependence type which then gets mapped to old boolean result
using Dependence::isSafeForVectorization.
Tested that this was compile-time neutral on SpecINT2006 LTO bitcode
inputs. No assembly change on the testsuite including external.
llvm-svn: 231806
Adam Nemet [Tue, 10 Mar 2015 17:40:34 +0000 (17:40 +0000)]
[LoopAccesses 1/3] Expose MemoryDepChecker to LAA users
LoopDistribution needs to query various results of the dependence
analysis. This series will expose some more APIs and state of the
dependence checker.
This patch is a simple one to just expose the DepChecker instance. The
set is compile-time neutral measured with LTO bitcode files of
SpecINT2006. Also there is no assembly change on the testsuite.
llvm-svn: 231805
Ilia K [Tue, 10 Mar 2015 17:24:32 +0000 (17:24 +0000)]
Fix a comment for ValueObject::GetValueDidChange after r231526
Summary:
Fix a comment for ValueObject::GetValueDidChange after r231526.
This fix was requested by @jingham.
Reviewers: jingham, ki.stfu
Reviewed By: ki.stfu
Subscribers: lldb-commits, jingham
Differential Revision: http://reviews.llvm.org/D8206
llvm-svn: 231804
Aaron Ballman [Tue, 10 Mar 2015 17:19:18 +0000 (17:19 +0000)]
The semantic spelling enumeration should retain values to the spelling list indexes used by the attribute. The only attribute affected by this in practice is the OpenCLImageAccessAttr, which has duplicate semantic spellings that are automatically stripped.
We do not implicitly create an OpenCLImageAccessAttr, so this change only affects out of tree users. There is no way to test this behavior specifically that I can see, since this only affects implicit creation of attributes.
Fixes PR22403.
llvm-svn: 231803
Rafael Espindola [Tue, 10 Mar 2015 16:58:10 +0000 (16:58 +0000)]
Store an optional section start label in MCSection.
This makes code that uses section relative expressions (debug info) simpler and
less brittle.
This is still a bit awkward as the symbol is created late and has to be
stored in a mutable field.
I will move the symbol creation earlier in the next patch.
llvm-svn: 231802
Sanjay Patel [Tue, 10 Mar 2015 16:42:24 +0000 (16:42 +0000)]
remove function names from comments; NFC
llvm-svn: 231801
Igor Laevsky [Tue, 10 Mar 2015 16:26:48 +0000 (16:26 +0000)]
Teach lowering to correctly handle invoke statepoint and gc results tied to them. Note that we still can not lower gc.relocates for invoke statepoints.
Also it extracts getCopyFromRegs helper function in SelectionDAGBuilder as we need to be able to customize type of the register exported from basic block during lowering of the gc.result.
(Resubmitting this change after not being able to reproduce buildbot failure)
Differential Revision: http://reviews.llvm.org/D7760
llvm-svn: 231800
Chad Rosier [Tue, 10 Mar 2015 16:22:52 +0000 (16:22 +0000)]
[BranchFolding] Remove MMOs during tail merge to preserve dependencies.
When tail merging it may be necessary to remove MMOs from memory operations to
ensures later passes (e.g., MI sched) conservatively compute dependencies.
Currently, we only remove the MMO from the common tail if the MMO doesn't match
with the relative instruction in the non-common tail(s).
A more robust solution would be to add multiple MMOs from the duplicate MIs to
the new MI. Currently ScheduleDAGInstrs.cpp ignores all MMOs on instructions
with multiple MMOs, so this solution is equivalent for the time being.
No test case included as this is incredibly difficult to reproduce.
Patch was a collaborative effort between Ana Pazos and myself.
Phabricator: http://reviews.llvm.org/D7769
llvm-svn: 231799
Tom Stellard [Tue, 10 Mar 2015 16:16:51 +0000 (16:16 +0000)]
R600/SI: Add _IDXEN and _BOTHEN variants for buffer_store
llvm-svn: 231798
Tom Stellard [Tue, 10 Mar 2015 16:16:49 +0000 (16:16 +0000)]
R600/SI: Re-order MUBUF operands to match asm strings.
llvm-svn: 231797
Tom Stellard [Tue, 10 Mar 2015 16:16:48 +0000 (16:16 +0000)]
R600/SI: Move kill flag to second instruction when splitting SMRD
This fixes a machine verifier error in the salu-to-valu.ll, which
would have been exposed by a future commit.
llvm-svn: 231796
Tom Stellard [Tue, 10 Mar 2015 16:16:44 +0000 (16:16 +0000)]
R600/SI: Add 32-bit encoding of v_cndmask_b32
This was done by refactoring the v_cndmask_b32 tablegen definition
to use inherit from VOP2Inst.
llvm-svn: 231795
Sanjay Patel [Tue, 10 Mar 2015 16:08:36 +0000 (16:08 +0000)]
[X86, AVX] replace vinsertf128 intrinsics with generic shuffles
We want to replace as much custom x86 shuffling via intrinsics
as possible because pushing the code down the generic shuffle
optimization path allows for better codegen and less complexity
in LLVM.
This is the sibling patch for the Clang half of this change:
http://reviews.llvm.org/D8088
Differential Revision: http://reviews.llvm.org/D8086
llvm-svn: 231794
Tobias Grosser [Tue, 10 Mar 2015 15:24:33 +0000 (15:24 +0000)]
Fix compilation after DataLayout was added to ScevExpander
The corresponding LLVM commit is 231740.
llvm-svn: 231793
Sanjay Patel [Tue, 10 Mar 2015 15:19:26 +0000 (15:19 +0000)]
[X86, AVX] Replace vinsertf128 intrinsics with generic shuffles.
We want to replace as much custom x86 shuffling via intrinsics
as possible because pushing the code down the generic shuffle
optimization path allows for better codegen and less complexity
in LLVM.
This is the sibling patch for the LLVM half of this change:
http://reviews.llvm.org/D8086
Differential Revision: http://reviews.llvm.org/D8088
llvm-svn: 231792
Benjamin Kramer [Tue, 10 Mar 2015 15:06:38 +0000 (15:06 +0000)]
Hexagon: Remove pass that does nothing at all
llvm-svn: 231791
Rafael Espindola [Tue, 10 Mar 2015 14:48:01 +0000 (14:48 +0000)]
Remove effectively dead code.
Switching back and forth between sections does nothing (other than producing
larger .s files).
llvm-svn: 231790
Ben Langmuir [Tue, 10 Mar 2015 14:39:26 +0000 (14:39 +0000)]
Document __has_feature(modules) in LanguageExtensions
Fixes PR18985
Patch by Vassil Vassilev!
llvm-svn: 231789
Karthik Bhat [Tue, 10 Mar 2015 14:32:02 +0000 (14:32 +0000)]
Fix a memory corruption in Dependency Analysis.
This crash occurs due to memory corruption when trying to update dependency
direction based on Constraints.
This crash was observed during lnt regression of Polybench benchmark test case dynprog.
Review: http://reviews.llvm.org/D8059
llvm-svn: 231788
Renato Golin [Tue, 10 Mar 2015 13:58:33 +0000 (13:58 +0000)]
Allow -target= and --target options
Using clang as a cross-compiler with the 'target' option could be confusing
for those inexperienced in the realm of cross compiling.
This patch would allow the use of all these four variants of the target option:
-target <triple>
--target <triple>
-target=<triple>
--target=<triple>
Patch by Gabor Ballabas.
llvm-svn: 231787
Rafael Espindola [Tue, 10 Mar 2015 13:56:44 +0000 (13:56 +0000)]
Don't repeat names and clang-format this file.
llvm-svn: 231786
Aaron Ballman [Tue, 10 Mar 2015 13:56:28 +0000 (13:56 +0000)]
Removing dead code to silence warning C4060: switch statement contains no 'case' or 'default' labels; NFC.
llvm-svn: 231785
Karthik Bhat [Tue, 10 Mar 2015 13:31:03 +0000 (13:31 +0000)]
Fix a crash in Dependency Analysis.
This crash in Dependency analysis is because we assume here that in case of UsefulGEP
both source and destination have the same number of operands which may not be true.
This incorrect assumption results in crash while populating Pairs. Fix the same.
This crash was observed during lnt regression for code such as-
struct s{
int A[10][10];
int C[10][10][10];
} S;
void dep_constraint_crash_test(int k,int N) {
for( int i=0;i<N;i++)
for( int j=0;j<N;j++)
S.A[0][0] = S.C[0][0][k];
}
Review: http://reviews.llvm.org/D8162
llvm-svn: 231784
Daniel Sanders [Tue, 10 Mar 2015 10:42:59 +0000 (10:42 +0000)]
The operand flag word used in ISD::INLINEASM is an i32 not a pointer. NFC.
Summary:
This is part of the work to support memory constraints that behave
differently to 'm'. The subsequent patches will expand on the existing
encoding (which is a 32-bit int) and as a result in some flag words will no
longer fit into an i16. This problem only affected the MSP430 target which
appears to have 16-bit pointers.
Reviewers: hfinkel
Reviewed By: hfinkel
Subscribers: hfinkel, llvm-commits
Differential Revision: http://reviews.llvm.org/D8168
llvm-svn: 231783
Dmitry Vyukov [Tue, 10 Mar 2015 10:36:06 +0000 (10:36 +0000)]
asan: fix leak test for power platform
Power is 64-bit but does not support leak detection,
so this test fails. Use the more robust leak-detection
predicate instead.
llvm-svn: 231782
Andrey Churbanov [Tue, 10 Mar 2015 10:14:57 +0000 (10:14 +0000)]
fix for broken commit 231774
llvm-svn: 231781
Ed Schouten [Tue, 10 Mar 2015 09:35:22 +0000 (09:35 +0000)]
Also use LC_C_LOCALE on CloudABI.
Before I discovered that NetBSD provides a permanent handle to the C
locale called LC_C_LOCALE, I also added support for this to CloudABI
under the name LC_POSIX_LOCALE. I've renamed it to LC_C_LOCALE to
improve compatibility.
llvm-svn: 231780
Andrey Churbanov [Tue, 10 Mar 2015 09:34:38 +0000 (09:34 +0000)]
issuing of incorrect warning fixed
llvm-svn: 231779
Andrey Churbanov [Tue, 10 Mar 2015 09:31:21 +0000 (09:31 +0000)]
cleanup: removed unused function __kmp_change_thread_affinity_mask
llvm-svn: 231778
Ed Schouten [Tue, 10 Mar 2015 09:26:38 +0000 (09:26 +0000)]
Enable _LIBCPP_LOCALE__L_EXTENSIONS on CloudABI.
CloudABI provides the _l() functions that are part of POSIX.1-2008, but
also the extensions that are available on systems like OS X and *BSD
(scanf_l, printf_l, etc).
llvm-svn: 231777
Andrey Churbanov [Tue, 10 Mar 2015 09:19:47 +0000 (09:19 +0000)]
proc_bind_disabled enum value removed, its usage replased with proc_bind_false
llvm-svn: 231776
Andrey Churbanov [Tue, 10 Mar 2015 09:15:26 +0000 (09:15 +0000)]
cleanup: usages of mask size wrapped into macros
llvm-svn: 231775
Andrey Churbanov [Tue, 10 Mar 2015 09:03:42 +0000 (09:03 +0000)]
Adding some 8-bit atomic operations for future use
llvm-svn: 231774
Andrey Churbanov [Tue, 10 Mar 2015 09:00:36 +0000 (09:00 +0000)]
changed unsigned types to signed - caused by comments of Hal Finkel on one of earlier patches
llvm-svn: 231773