Jingyue Wu [Fri, 24 Jul 2015 19:05:53 +0000 (19:05 +0000)]
Remove the user-count threshold when analyzing read attributes
Summary:
This threshold limited FunctionAttrs ability to prove arguments to be read-only.
In NVPTX, a specialized instruction ld.global.nc can be used to load memory
with non-coherent texture cache. We notice that in SHOC [1] benchmark, some
function arguments are not marked with readonly because FunctionAttrs reaches
a hardcoded threshold when analysis uses.
Removing this threshold won't cause significant regression in compilation time, because the worst-case time complexity of the algorithm is still O(# of instructions) for each parameter.
Patched by Xuetian Weng.
[1] https://github.com/vetter/shoc
Reviewers: nlewycky, jingyue, nicholas
Subscribers: nicholas, test, llvm-commits
Differential Revision: http://reviews.llvm.org/D11311
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243141
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Philip Reames [Fri, 24 Jul 2015 19:01:39 +0000 (19:01 +0000)]
[RewriteStatepointsForGC] Adjust naming scheme to be more stable
The names for instructions inserted were previous dependent on iteration order. By deriving the names from the original instructions, we can avoid instability in tests without resorting to ordered traversals. It also makes the IR mildly easier to read at large scale.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243140
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Duncan P. N. Exon Smith [Fri, 24 Jul 2015 18:58:32 +0000 (18:58 +0000)]
DI: Strengthen block-byref cast to DIDerivedType, NFC
This code is visiting the members of a block-byref, and we know those
are all `DIDerivedType`. Strengthen the cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243138
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Pete Cooper [Fri, 24 Jul 2015 18:55:49 +0000 (18:55 +0000)]
Use foreach loops for StructType::elements(). NFC.
We had a few places where we did
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
but those could instead do
for (auto *EltTy : STy->elements()) {
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243136
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Pete Cooper [Fri, 24 Jul 2015 18:29:09 +0000 (18:29 +0000)]
Add const to a bunch of Type* in DataLayout. NFC.
Almost all methods in DataLayout took mutable pointers but didn't need to.
These were only accessing constant methods of the types, or using the Type*
to key a map. Neither of these needs a mutable pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243135
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Duncan P. N. Exon Smith [Fri, 24 Jul 2015 18:17:17 +0000 (18:17 +0000)]
DI: Only DICompositeType has getElements(), NFC
There is an assertion inside `DICompositeTypeBase::getElements()` that
`this` is not a `DISubroutineType`, leaving only `DICompositeType`.
Make that clear at the call sites.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243134
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Alex Lorenz [Fri, 24 Jul 2015 17:44:49 +0000 (17:44 +0000)]
MIR Parser: Run the machine verifier after initializing machine functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243128
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Lang Hames [Fri, 24 Jul 2015 17:40:04 +0000 (17:40 +0000)]
[RuntimeDyld] MachO: Add support for ARM scattered vanilla relocations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243126
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Alex Lorenz [Fri, 24 Jul 2015 17:36:55 +0000 (17:36 +0000)]
MIR Tests: Add liveins and successors to make tests pass with machine verifier.
This commit adds the liveins and successors properties to machine basic blocks
in some of the MIR tests to ensure that the tests will pass when the MIR parser
will run the machine verifier after initializing a machine function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243124
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Alex Lorenz [Fri, 24 Jul 2015 17:31:55 +0000 (17:31 +0000)]
MIR Tests: Make the basic block successor test an X86 specific test.
This commit moves and transforms the generic test
'CodeGen/MIR/successor-basic-blocks.mir' into an X86 specific test
'CodeGen/MIR/X86/successor-basic-blocks.mir'. This change is required in order
to enable the machine verifier for the MIR parser, as the machine verifier
verifies that the machine basic blocks contain instructions that actually
determine the machine basic block successors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243123
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Igor Breger [Fri, 24 Jul 2015 17:24:15 +0000 (17:24 +0000)]
AVX-512: Implemented encoding , DAG lowering and intrinsics for Integer Truncate with/without saturation
Added tests for DAG lowering ,encoding and intrinsic
Differential Revision: http://reviews.llvm.org/D11218
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243122
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Chandler Carruth [Fri, 24 Jul 2015 17:23:09 +0000 (17:23 +0000)]
Update for r243115 which changed the DataLayout API on TargetMachine but
didn't update the gold-plugin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243121
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Hans Wennborg [Fri, 24 Jul 2015 16:16:09 +0000 (16:16 +0000)]
test-release.sh: Defer test errors until the end
This makes the script run to the end and produce tarballs even on test
failures, and then highlights any errors afterwards.
(I first tried just storing the errors in a global variable, but that
didn't work as the "test_llvmCore" function invocation is actually
running as a sub-shell.)
Differential Revision: http://reviews.llvm.org/D11478
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243116
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Mehdi Amini [Fri, 24 Jul 2015 16:04:22 +0000 (16:04 +0000)]
Remove access to the DataLayout in the TargetMachine
Summary:
Replace getDataLayout() with a createDataLayout() method to make
explicit that it is intended to create a DataLayout only and not
accessing it for other purpose.
This change is the last of a series of commits dedicated to have a
single DataLayout during compilation by using always the one owned
by the module.
Reviewers: echristo
Subscribers: jholewinski, llvm-commits, rafael, yaron.keren
Differential Revision: http://reviews.llvm.org/D11103
(cherry picked from commit
5609fc56bca971e5a7efeaa6ca4676638eaec5ea)
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243114
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Sanjay Patel [Fri, 24 Jul 2015 16:02:14 +0000 (16:02 +0000)]
fix wrong comment; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243113
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NAKAMURA Takumi [Fri, 24 Jul 2015 11:55:11 +0000 (11:55 +0000)]
llvm/test/tools/dsymutil/ARM/lit.local.cfg: Fix possibly typo, s/X86/ARM/.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243106
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Luke Cheeseman [Fri, 24 Jul 2015 09:57:05 +0000 (09:57 +0000)]
[ARM] - Fix lowering of shufflevectors in AArch32
Some shufflevectors are currently being incorrectly lowered in the AArch32
backend as the existing checks for detecting the NEON operations from the
shufflevector instruction expects the shuffle mask and the vector operands to be
of the same length.
This is not always the case as the mask may be twice as long as the operand;
here only the lower half of the shufflemask gets checked, so provided the lower
half of the shufflemask looks like a vector transpose (or even is just all -1
for undef) then the intrinsics may get incorrectly lowered into a vector
transpose (VTRN) instruction.
This patch fixes this by accommodating for both cases and adds regression tests.
Differential Revision: http://reviews.llvm.org/D11407
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243103
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Luke Cheeseman [Fri, 24 Jul 2015 09:31:48 +0000 (09:31 +0000)]
When lowering vector shifts a check is performed to see if the value to shift by
is an immediate, in this check the value is negated and stored in and int64_t.
The value can be -2^63 yet the result cannot be stored in an int64_t and this
gives some undefined behaviour causing failures. The negation is only necessary
when the values is within a certain range and so it should not need to negate
-2^63, this patch introduces this and also a regression test.
Differential Revision: http://reviews.llvm.org/D11408
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243100
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Frederic Riss [Fri, 24 Jul 2015 06:41:11 +0000 (06:41 +0000)]
[dsymutil] Implement support for universal mach-o object files.
This patch allows llvm-dsymutil to read universal (aka fat) macho object
files and archives. The patch touches nearly everything in the BinaryHolder,
but it is fairly mechinical: the methods that returned MemoryBufferRefs or
ObjectFiles now return a vector of those, and the high-level access function
takes a triple argument to select the architecture.
There is no support yet for handling fat executables and thus no support for
writing fat object files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243096
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Frederic Riss [Fri, 24 Jul 2015 06:41:04 +0000 (06:41 +0000)]
[dsymutil] Make the triple detection more strict.
MachOObjectFile offers a method for detecting the correct triple, use
it instead of the previous approximation. This doesn't matter right
now, but it will become important for mach-o universal (fat) binaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243095
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Frederic Riss [Fri, 24 Jul 2015 06:40:59 +0000 (06:40 +0000)]
[dsymutil] Refactor BinaryHolder internals. NFC
Call a helper that resets all the internal state of the BinaryHolder
when we change the underlying memory buffer. Makes a followup patch
a tiny bit smaller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243094
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Mehdi Amini [Fri, 24 Jul 2015 03:36:55 +0000 (03:36 +0000)]
Revert "Remove access to the DataLayout in the TargetMachine"
This reverts commit
0f720d984f419c747709462f7476dff962c0bc41.
It breaks clang too badly, I need to prepare a proper patch for clang
first.
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243089
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Alexei Starovoitov [Fri, 24 Jul 2015 03:17:08 +0000 (03:17 +0000)]
[bpf] initial support for debug_info
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243087
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Davide Italiano [Fri, 24 Jul 2015 02:14:20 +0000 (02:14 +0000)]
[llvm-reaobj] Display COFF-specific sections/tables only if the object is COFF.
Just skip them otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243086
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Michael Zolotukhin [Fri, 24 Jul 2015 01:53:04 +0000 (01:53 +0000)]
Handle resolvable branches in complete loop unroll heuristic.
Summary:
Resolving a branch allows us to ignore blocks that won't be executed, and thus make our estimate more accurate.
This patch is intended to be applied after D10205 (though it could be applied independently).
Reviewers: chandlerc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10206
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243084
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Mehdi Amini [Fri, 24 Jul 2015 01:44:39 +0000 (01:44 +0000)]
Remove access to the DataLayout in the TargetMachine
Summary:
Replace getDataLayout() with a createDataLayout() method to make
explicit that it is intended to create a DataLayout only and not
accessing it for other purpose.
This change is the last of a series of commits dedicated to have a
single DataLayout during compilation by using always the one owned
by the module.
Reviewers: echristo
Subscribers: jholewinski, llvm-commits, rafael, yaron.keren
Differential Revision: http://reviews.llvm.org/D11103
(cherry picked from commit
5609fc56bca971e5a7efeaa6ca4676638eaec5ea)
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243083
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Saleem Abdulrasool [Fri, 24 Jul 2015 01:14:25 +0000 (01:14 +0000)]
build: fix small typo in cmake doxygen build
A search word spelled as "searhc" in the LLVM_DOXYGEN_SEARCHENGINE_URL cmake
variable docstring.
Patch by Daniel Otero!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243082
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NAKAMURA Takumi [Fri, 24 Jul 2015 01:12:36 +0000 (01:12 +0000)]
MIRParser/LLVMBuild.txt: Add MC for MCRegisterInfo::getDwarfRegNum().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243081
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NAKAMURA Takumi [Fri, 24 Jul 2015 01:12:28 +0000 (01:12 +0000)]
Reorder alphabetically.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243080
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Eric Christopher [Fri, 24 Jul 2015 01:07:50 +0000 (01:07 +0000)]
Clean up function attributes on PPC fast-isel tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243079
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Kostya Serebryany [Fri, 24 Jul 2015 01:06:40 +0000 (01:06 +0000)]
[libFuzzer] allow users to supply their own implementation of rand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243078
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Philip Reames [Fri, 24 Jul 2015 00:42:55 +0000 (00:42 +0000)]
[RewriteStatepointsForGC] Fix release build warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243076
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Jonathan Roelofs [Fri, 24 Jul 2015 00:29:50 +0000 (00:29 +0000)]
Add missing underlines for a docs section. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243075
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Philip Reames [Fri, 24 Jul 2015 00:02:11 +0000 (00:02 +0000)]
[RewriteStatepointsForGC] Use a worklist algorithm for first part of base pointer algorithm [NFC]
The new code should hopefully be equivalent to the old code; it just uses a worklist to track instructions which need to visited rather than iterating over all instructions visited each time. This should be faster, but the primary benefit is that the purpose should be more clear and the diff of adding another instruction type (forthcoming) much more obvious.
Differential Revision: http://reviews.llvm.org/D11480
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243071
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Lawrence Hu [Thu, 23 Jul 2015 23:55:28 +0000 (23:55 +0000)]
test commit, only added one space
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243070
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Jingyue Wu [Thu, 23 Jul 2015 23:13:37 +0000 (23:13 +0000)]
[NaryReassociate] remove redundant code
This check is already done by findClosestMatchingDominator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243065
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Alex Lorenz [Thu, 23 Jul 2015 23:09:07 +0000 (23:09 +0000)]
MIR Serialization: Serialize the '.cfi_offset' CFI instruction.
Reviewers: Duncan P. N. Exon Smith
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243062
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JF Bastien [Thu, 23 Jul 2015 23:00:04 +0000 (23:00 +0000)]
WebAssembly: test that valid -mcpu flags are accepted.
Summary: AArch64 has a similar test.
Subscribers: sunfish, aemerson, llvm-commits, jfb
Differential Revision: http://reviews.llvm.org/D11479
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243058
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Sanjay Patel [Thu, 23 Jul 2015 22:56:53 +0000 (22:56 +0000)]
fix crash in machine trace metrics due to processing dbg_value instructions (PR24199)
The test in PR24199 ( https://llvm.org/bugs/show_bug.cgi?id=24199 ) crashes because machine
trace metrics was not ignoring dbg_value instructions when calculating data dependencies.
The machine-combiner pass asks machine trace metrics to calculate an instruction trace,
does some reassociations, and calls MachineInstr::eraseFromParentAndMarkDBGValuesForRemoval()
along with MachineTraceMetrics::invalidate(). The dbg_value instructions have their operands
invalidated, but the instructions are not expected to be deleted.
On a subsequent loop iteration of the machine-combiner pass, machine trace metrics would be
called again and die while accessing the invalid debug instructions.
Differential Revision: http://reviews.llvm.org/D11423
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243057
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Philip Reames [Thu, 23 Jul 2015 22:49:14 +0000 (22:49 +0000)]
[RewriteStatepointsForGC] Rename PhiState to reflect that it's associated w/more than just PHIs
Today, Select instructions also have associated PhiStates. In the near future, so will ExtractElement and SuffleVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243056
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Philip Reames [Thu, 23 Jul 2015 22:25:26 +0000 (22:25 +0000)]
[RewriteStatepointsForGC] Use idomatic mechanisms for debug tracing [NFC]
Deleting much of the code using trace-rewrite-statepoints and use idiomatic DEBUG statements instead. This includes adding operator<< to a helper class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243054
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David Gross [Thu, 23 Jul 2015 22:12:46 +0000 (22:12 +0000)]
[ARM] Register (existing) ARMLoadStoreOpt pass with LLVM pass manager.
Summary: Among other things, this allows -print-after-all/-print-before-all to dump IR around this pass.
Subscribers: aemerson, llvm-commits, rengolin
Differential Revision: http://reviews.llvm.org/D11373
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243052
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Colin LeMahieu [Thu, 23 Jul 2015 21:55:26 +0000 (21:55 +0000)]
Moving tests in to X86 directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243049
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David Gross [Thu, 23 Jul 2015 21:46:09 +0000 (21:46 +0000)]
Test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243046
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Philip Reames [Thu, 23 Jul 2015 21:41:27 +0000 (21:41 +0000)]
[RewriteStatepointsForGC] Simplify code around meet of PhiStates [NFC]
We don't need to pass in the map from BDV to PhiStates; we can instead handle that externally and let the MeetPhiStates helper class just meet PhiStates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243045
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Colin LeMahieu [Thu, 23 Jul 2015 21:40:19 +0000 (21:40 +0000)]
Using an input object file instead of trying to generate an object file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243044
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Colin LeMahieu [Thu, 23 Jul 2015 21:24:52 +0000 (21:24 +0000)]
Specifying a test triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243042
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Colin LeMahieu [Thu, 23 Jul 2015 20:58:49 +0000 (20:58 +0000)]
[llvm-objdump] Add -D and --disassemble-all flags that attempt disassembly on all sections instead of just text sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243041
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Matt Wala [Thu, 23 Jul 2015 20:53:46 +0000 (20:53 +0000)]
[Scalarizer] Fix potential for stale data in Scattered across invocations
Summary:
Scalarizer has two data structures that hold information about changes
to the function, Gathered and Scattered. These are cleared in finish()
at the end of runOnFunction() if finish() detects any changes to the
function.
However, finish() was checking for changes by only checking if
Gathered was non-empty. The function visitStore() only modifies
Scattered without touching Gathered. As a result, Scattered could have
ended up having stale data if Scalarizer only scalarized store
instructions. Since the data in Scattered is used during the execution
of the pass, this introduced dangling pointer errors.
The fix is to check whether both Scattered and Gathered are empty
before deciding what to do in finish(). This also fixes a problem
where the Function can be modified although the pass returns false.
Reviewers: rnk
Subscribers: rnk, srhines, llvm-commits
Differential Revision: http://reviews.llvm.org/D10459
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243040
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Duncan P. N. Exon Smith [Thu, 23 Jul 2015 19:27:07 +0000 (19:27 +0000)]
X86: Use dyn_cast instead of isa+cast, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243034
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Weiming Zhao [Thu, 23 Jul 2015 19:24:53 +0000 (19:24 +0000)]
This patch eanble register coalescing to coalesce the following:
%vreg2<def> = MOVi32imm 1; GPR32:%vreg2
%W1<def> = COPY %vreg2; GPR32:%vreg2
into:
%W1<def> = MOVi32imm 1
Patched by Lawrence Hu (lawrence@codeaurora.org)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243033
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Kostya Serebryany [Thu, 23 Jul 2015 18:37:22 +0000 (18:37 +0000)]
[libFuzzer] dump long running units to disk
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243031
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Igor Laevsky [Thu, 23 Jul 2015 14:31:18 +0000 (14:31 +0000)]
NFC. Explicitly specify attributes in BasicAA/cs-cs.ll test.
This will simplify verifying correctness for a changes which modify attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243016
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Rafael Espindola [Thu, 23 Jul 2015 13:42:16 +0000 (13:42 +0000)]
Delete dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243015
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Rafael Espindola [Thu, 23 Jul 2015 12:51:44 +0000 (12:51 +0000)]
Use helper function. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243012
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Rafael Espindola [Thu, 23 Jul 2015 12:49:40 +0000 (12:49 +0000)]
Add a version of getSymbol with an explicit symbol table. Use it. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243011
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Michael Kuperstein [Thu, 23 Jul 2015 12:23:45 +0000 (12:23 +0000)]
[X86] Allow load folding into PUSH instructions
Adds pushes to the folding tables.
This also required a fix to the TD definition, since the memory forms of
the push instructions did not have the right mayLoad/mayStore flags.
Differential Revision: http://reviews.llvm.org/D11340
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243010
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Asaf Badouh [Thu, 23 Jul 2015 12:10:51 +0000 (12:10 +0000)]
[x86] change FP scalar builtin naming convention
Differential Revision: http://reviews.llvm.org/D11454
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243008
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Kuba Brecka [Thu, 23 Jul 2015 10:54:06 +0000 (10:54 +0000)]
[asan] Rename the ABI versioning symbol to '__asan_version_mismatch_check' instead of abusing '__asan_init'
We currently version `__asan_init` and when the ABI version doesn't match, the linker gives a `undefined reference to '__asan_init_v5'` message. From this, it might not be obvious that it's actually a version mismatch error. This patch makes the error message much clearer by changing the name of the undefined symbol to be `__asan_version_mismatch_check_xxx` (followed by the version string). We obviously don't want the initializer to be named like that, so it's a separate symbol that is used only for the purpose of version checking.
Reviewed at http://reviews.llvm.org/D11004
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243003
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Michael Kuperstein [Thu, 23 Jul 2015 10:23:48 +0000 (10:23 +0000)]
[X86] Fix order of operands for ins and outs instructions when parsing intel syntax
Patch by: marina.yatsina@intel.com
Differential Revision: http://reviews.llvm.org/D11337
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243001
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Chandler Carruth [Thu, 23 Jul 2015 09:34:01 +0000 (09:34 +0000)]
[GMR] Add a late run of GlobalsModRef to the main pass pipeline behind
the general GMR-in-non-LTO flag.
Without this, we have the global information during the CGSCC pipeline
for GVN and such, but don't have it available during the late loop
optimizations such as the vectorizer. Moreover, after the CGSCC pipeline
has finished we have substantially more accurate and refined call graph
information, function annotations, etc, which will make GMR even more
powerful than it is early in the pipelien.
Note that we have to play silly games with preserving AliasAnalysis
(which is now trivially preserved) in order to let a module analysis
magically be preserved into the entire function pass pipeline.
Simultaneously we have to not make GMR an immutable pass in order to be
able to re-run it and collect fresh data on the final call graph.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242999
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Rafael Espindola [Thu, 23 Jul 2015 09:11:05 +0000 (09:11 +0000)]
Support printing relocations in files with no section table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242998
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Rafael Espindola [Thu, 23 Jul 2015 08:48:14 +0000 (08:48 +0000)]
Use typdef to simplify the code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242995
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Elena Demikhovsky [Thu, 23 Jul 2015 08:25:23 +0000 (08:25 +0000)]
X86: Fixed assertion failure in 32-bit mode
The DAG Node "SCALAR_TO_VECTOR" may be created if the type of the scalar element is legal.
Added a check for the scalar type before creating this node.
Added a test that fails with assertion on the current version.
Differential Revision: http://reviews.llvm.org/D11413
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242994
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Yaron Keren [Thu, 23 Jul 2015 08:06:12 +0000 (08:06 +0000)]
Avoid using -Wl,-z,defs on Cygwin.
Prior to CMAKE 2.8.4 that was covered by the WIN32 conditional but
from 2.8.4 CMAKE no longer defined WIN32 when running under Cygwin
and it needs its own test.
Patch by Martell Malone!
http://reviews.llvm.org/D11347
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242993
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Chandler Carruth [Thu, 23 Jul 2015 08:03:44 +0000 (08:03 +0000)]
Revert r242990: "AVX-512: Implemented encoding , DAG lowering and ..."
This commit broke the build. Numerous build bots broken, and it was
blocking my progress so reverting.
It should be trivial to reproduce -- enable the BPF backend and it
should fail when running llvm-tblgen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242992
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Chandler Carruth [Thu, 23 Jul 2015 07:50:52 +0000 (07:50 +0000)]
[GMR] Switch the function info we store for every function to be a much
more dense datastructure. We actually only have 3 bits of information
and an often-null pointer here. This fits very nicely into a
pointer-size value in the DenseMap from Function -> Info. Then we take
one more pointer hop to get to a secondary DenseMap from GlobalValue ->
ModRefInfo when we actually have precise info for particular globals.
This is more code than I would really like to do this packing, but it
ended up reasonably cleanly laid out. It should ensure we don't hit
scaling limitations with more widespread use of GMR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242991
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Igor Breger [Thu, 23 Jul 2015 07:39:21 +0000 (07:39 +0000)]
AVX-512: Implemented encoding , DAG lowering and intrinsics for Integer Truncate with/without saturation
Added tests for DAG lowering ,encoding and intrinsic
Differential Revision: http://reviews.llvm.org/D11218
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242990
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Craig Topper [Thu, 23 Jul 2015 07:33:48 +0000 (07:33 +0000)]
[ScalarEvolution] Change addRequired to addRequiredTransitive on two passes where ScalarEvolution stores long lived raw pointers to objects those passes own.
This prevents the pointers from dangling when those passes are freed.
http://reviews.llvm.org/D11236
Patch by Steve King.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242989
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Craig Topper [Thu, 23 Jul 2015 07:17:53 +0000 (07:17 +0000)]
Replace a 0 with nullptr. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242988
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Igor Breger [Thu, 23 Jul 2015 07:11:14 +0000 (07:11 +0000)]
AVX : Fix ISA disabling in case AVX512VL , some instructions should be disabled only if AVX512BW and AVX512VL present.
Tests added.
Differential Revision: http://reviews.llvm.org/D11414
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242987
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Yaron Keren [Thu, 23 Jul 2015 05:49:29 +0000 (05:49 +0000)]
Remove unnecessary in C++11 c_str() calls
While theoratically required in pre-C++11 to avoid re-allocation upon call,
C++11 guarantees that c_str() returns a pointer to the internal array so
pre-calling c_str() is no longer required.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242983
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Jingyue Wu [Thu, 23 Jul 2015 04:59:07 +0000 (04:59 +0000)]
[NVPTX] run LSR before straight-line optimizations
Summary:
Straight-line optimizations can simplify the loop body and make LSR's
cost analysis more precise. This significantly improves several Eigen3
CUDA benchmarks.
With this change, EigenContractionKernel runs up to 40% faster
(https://bitbucket.org/eigen/eigen/src/
753ceee5f206ff7dde9f6a41a5a420749fc9406f/unsupported/Eigen/CXX11/src/Tensor/TensorContractionCuda.h?at=default#cl-502).
EigenConvolutionKernel2D runs up to 10% faster
(https://bitbucket.org/eigen/eigen/src/
753ceee5f206ff7dde9f6a41a5a420749fc9406f/unsupported/Eigen/CXX11/src/Tensor/TensorConvolution.h?at=default#cl-605).
I have some difficulties writing small tests that benefit from this
reordering due to a seemingly issue with LSR (being discussed at
http://lists.cs.uiuc.edu/pipermail/llvmdev/2015-July/088244.html).
See the review thread for the compilation time impact of GVN.
Reviewers: eliben, jholewinski
Subscribers: llvm-commits, jholewinski
Differential Revision: http://reviews.llvm.org/D11304
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242982
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Rafael Espindola [Thu, 23 Jul 2015 03:24:22 +0000 (03:24 +0000)]
Refactor duplicated code and check for invalid symbol table size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242981
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Chandler Carruth [Thu, 23 Jul 2015 00:12:32 +0000 (00:12 +0000)]
[GMR] Further improve the FunctionInfo API inside of GlobalsModRef, NFC.
This takes the operation of merging a callee's information into the
current information and embeds it into the FunctionInfo type itself.
This is much cleaner as now we don't need to expose iteration of the
globals, etc.
Also, switched all the uses of a raw integer two maintain the mod/ref
info during the SCC walk into just directly manipulating it in the
FunctionInfo object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242976
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Chandler Carruth [Wed, 22 Jul 2015 23:56:31 +0000 (23:56 +0000)]
[GMR] Wrap all of the per-function information behind a more strongly
typed interface as a precursor to rewriting how it is stored.
This way we know that the access paths are controlled and it should be
easy to store these bits in a different way.
No functionality changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242974
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Frederic Riss [Wed, 22 Jul 2015 23:24:00 +0000 (23:24 +0000)]
[dsymutil] Check archive members timestamps.
The debug map contains the timestamp of the object files in references.
We do not check these in the general case, but it's really useful if
you have archives where different versions of an object file have been
appended. This allows llvm-dsymutil to find the right one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242965
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Chandler Carruth [Wed, 22 Jul 2015 23:16:02 +0000 (23:16 +0000)]
[PM/AA] Cleanup comments, formatting, and organization of the AA
interface prior to making more substantial and invasive changes.
No functionality changed, and should hopefully keep subsequent patches
as clean and focused as possible in addition to making the comments and
such more clear.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242964
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Chandler Carruth [Wed, 22 Jul 2015 23:15:57 +0000 (23:15 +0000)]
[PM/AA] Extract the ModRef enums from the AliasAnalysis class in
preparation for de-coupling the AA implementations.
In order to do this, they had to become fake-scoped using the
traditional LLVM pattern of a leading initialism. These can't be actual
scoped enumerations because they're bitfields and thus inherently we use
them as integers.
I've also renamed the behavior enums that are specific to reasoning
about the mod/ref behavior of functions when called. This makes it more
clear that they have a very narrow domain of applicability.
I think there is a significantly cleaner API for all of this, but
I don't want to try to do really substantive changes for now, I just
want to refactor the things away from analysis groups so I'm preserving
the exact original design and just cleaning up the names, style, and
lifting out of the class.
Differential Revision: http://reviews.llvm.org/D10564
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242963
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Chandler Carruth [Wed, 22 Jul 2015 22:32:34 +0000 (22:32 +0000)]
[GMR] Continue my quest to remove linked datastructures from GMR, NFC.
This replaces the next-to-last std::map with a DenseMap. While DenseMap
doesn't yet make tons of sense (there are 32 bytes or so in the value
type), my next change will reduce the value type to a single pointer --
we only need a pointer and 3 bits, and that is exactly what we can have.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242956
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David Majnemer [Wed, 22 Jul 2015 22:29:30 +0000 (22:29 +0000)]
[ConstantFolding] Support folding loads from a GlobalAlias
The MSVC ABI requires that we generate an alias for the vtable which
means looking through a GlobalAlias which cannot be overridden improves
our ability to devirtualize.
Found while investigating PR20801.
Patch by Andrew Zhogin!
Differential Revision: http://reviews.llvm.org/D11306
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242955
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Anthony Pesch [Wed, 22 Jul 2015 22:26:54 +0000 (22:26 +0000)]
Revert "Improve merging of stores from static constructors in GlobalOpt"
This reverts commit
0a9dee959a30b81b9e7df64c9a58ff9898c24024.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242954
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Anthony Pesch [Wed, 22 Jul 2015 22:26:52 +0000 (22:26 +0000)]
Revert "IPO: Avoid brace initialization of a map, some versions of libc++ don't like it"
This reverts commit
fc2dad0c68f8d32273d3c2d790ed496961f829af.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242953
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Chandler Carruth [Wed, 22 Jul 2015 22:10:05 +0000 (22:10 +0000)]
[GMR] Make the collection of readers and writers of globals much more
efficient, NFC.
Previously, we built up vectors of function pointers to track readers
and writers. The primary problem here is that we would add the same
function to this vector every time we found an instruction that reads or
writes to the pointer. This could be a *lot* of redudant function
pointers. Instead of doing that, we can use a SmallPtrSet.
This does more than just reduce the size of the list of readers or
writers. We walk the entire lists of each and do a map lookup for each
one. By having sets, we will only do one map lookup per reader or writer
function.
But only one user of the pointer analyzer actually needs this
information, so we can also skip accumulating it (and doing a lot of
heap allocations) for all the other pointer analysis. This is
particularly useful because there are very many more pointers in some of
the other cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242950
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Rafael Espindola [Wed, 22 Jul 2015 22:09:44 +0000 (22:09 +0000)]
Force the gnu archive format to fix the test on darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242949
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Sanjay Patel [Wed, 22 Jul 2015 21:56:41 +0000 (21:56 +0000)]
fix typo; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242947
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Sanjay Patel [Wed, 22 Jul 2015 21:47:13 +0000 (21:47 +0000)]
fix indent; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242946
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Justin Bogner [Wed, 22 Jul 2015 21:41:12 +0000 (21:41 +0000)]
IPO: Avoid brace initialization of a map, some versions of libc++ don't like it
Should fix the build failure on these darwin bots:
http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_build/12427/
http://lab.llvm.org:8080/green/job/clang-stage1-configure-RA_build/10389/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242945
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Reid Kleckner [Wed, 22 Jul 2015 21:35:27 +0000 (21:35 +0000)]
[lit] Fix launching executables relative to the cwd after 'cd'
This was affecting test/asan/TestCases/Windows/coverage-basic.cc in
compiler-rt. It does something like:
cd %T/mydir
%clang %s -o t.exe
./t.exe
Previously, we'd end up looking for t.exe relative to the cwd of the lit
process, not the cwd of the test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242941
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Bruno Cardoso Lopes [Wed, 22 Jul 2015 21:30:16 +0000 (21:30 +0000)]
[PeepholeOptimizer] Refactor optimizeUncoalescable logic
Reapply r242294.
- Create a new CopyRewriter for Uncoalescable copy-like instructions
- Change the ValueTracker to return a ValueTrackerResult
This makes optimizeUncoalescable looks more like optimizeCoalescable and
use the CopyRewritter infrastructure.
This is also the preparation for looking up into PHI nodes in the
ValueTracker.
rdar://problem/
20404526
Differential Revision: http://reviews.llvm.org/D11195
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242940
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JF Bastien [Wed, 22 Jul 2015 21:28:15 +0000 (21:28 +0000)]
WebAssembly: basic bitcode → assembly CodeGen test
Summary:
Add a basic CodeGen bitcode test which (for now) only prints out the function name and nothing else. The current code merely implements the basic needed for the test run to not crash / assert. Getting to that point required:
- Basic InstPrinter.
- Basic AsmPrinter.
- DiagnosticInfoUnsupported (not strictly required, but nice to have, duplicated from AMDGPU/BPF's ISelLowering).
- Some SP and register setup in WebAssemblyTargetLowering.
- Basic LowerFormalArguments.
- GenInstrInfo.
- Placeholder LowerFormalArguments.
- Placeholder CanLowerReturn and LowerReturn.
- Basic DAGToDAGISel::Select, which requiresGenDAGISel.inc as well as GET_INSTRINFO_ENUM with GenInstrInfo.inc.
- Remove WebAssemblyFrameLowering::determineCalleeSaves and rely on default.
- Implement WebAssemblyFrameLowering::hasFP, same as AArch64's implementation.
Follow-up patches will implement a real AsmPrinter, which will require adding MI opcodes specific to WebAssembly.
Reviewers: sunfish
Subscribers: aemerson, jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D11369
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242939
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Alex Lorenz [Wed, 22 Jul 2015 21:15:11 +0000 (21:15 +0000)]
MIR Serialization: Serialize the machine instruction's debug location.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242938
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Yaron Keren [Wed, 22 Jul 2015 21:11:17 +0000 (21:11 +0000)]
Rename RunCallBacksToRun to llvm::sys::RunSignalHandlers
And expose it in Signals.h, allowing clients to call it directly,
possibly LLVMErrorHandler which currently calls RunInterruptHandlers
but not RunSignalHandlers, thus for example not printing the stack
backtrace on Unixish OSes. On Windows it does happen because
RunInterruptHandlers ends up calling the callbacks as well via
Cleanup(). This difference in behaviour and code structures in
*/Signals.inc should be patched in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242936
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Anthony Pesch [Wed, 22 Jul 2015 21:10:45 +0000 (21:10 +0000)]
Improve merging of stores from static constructors in GlobalOpt
Summary:
While working on a project I wound up generating a fairly large lookup table (10k entries) of callbacks inside of a static constructor. Clang was taking upwards of ~10 minutes to compile the lookup table. I generated a smaller test case (http://www.inolen.com/static_initializer_test.ll) that, after running with -ftime-report, pointed fingers at GlobalOpt and MemCpyOptimizer.
Running globalopt took around ~9 minutes. The slowdown came from how GlobalOpt merged stores from static constructors individually into the global initializer in EvaluateStaticConstructor. For each store it discovered and wanted to commit, it would copy the existing global initializer and then merge in the individual store. I changed this so that stores are now grouped by global, and sorted from most significant to least significant by their GEP indexes (e.g. a store to GEP 0, 0 comes before GEP 0, 0, 1). With this representation, the existing initializer can be copied and all new stores merged into it in a single pass.
With this patch and http://reviews.llvm.org/D11198, the lookup table that was taking ~10 minutes to compile now compiles in around 5 seconds. I've ran 'make check' and the test-suite, which all passed.
I'm not really sure who to tag as a reviewer, Lang mentioned that Chandler may be appropriate.
Reviewers: chandlerc, nlewycky
Subscribers: nlewycky, llvm-commits
Differential Revision: http://reviews.llvm.org/D11200
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242935
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Alex Lorenz [Wed, 22 Jul 2015 21:07:04 +0000 (21:07 +0000)]
MIR Parser: Extract the MDNode parsing code into a separate method. NFC.
This change would allow the machine instruction parser to reuse this method when
parsing the metadata node for the machine instruction's debug location property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242934
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Hans Wennborg [Wed, 22 Jul 2015 20:46:11 +0000 (20:46 +0000)]
Fix -Wextra-semi warnings.
Patch by Eugene Zelenko!
Differential Revision: http://reviews.llvm.org/D11400
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242930
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Rafael Espindola [Wed, 22 Jul 2015 19:34:26 +0000 (19:34 +0000)]
Fix fetching the symbol table of a thin archive.
We were trying to read it as an external file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242926
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Yaron Keren [Wed, 22 Jul 2015 19:01:14 +0000 (19:01 +0000)]
De-duplicate Unix & Windows CallBacksToRun
Move CallBacksToRun into the common Signals.cpp, create RunCallBacksToRun()
and use these in both Unix/Signals.inc and Windows/Signals.inc.
Lots of potential code to be merged here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242925
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Anthony Pesch [Wed, 22 Jul 2015 18:50:10 +0000 (18:50 +0000)]
Test commit, added blank line
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242923
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Chad Rosier [Wed, 22 Jul 2015 18:41:57 +0000 (18:41 +0000)]
Simplify switch as all cases other than default return true. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242922
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