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Commit Graph

107660 Commits

Author SHA1 Message Date
Craig Topper
7125897c92 Use vector constructor instead of a for loop to initialize entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217123 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 04:49:03 +00:00
Lang Hames
5ade584a96 [MCJIT] Add command-line argument to llvm-rtdyld to specify target addresses for
sections.

This allows fine-grained control of the memory layout of hypothetical target
processes for testing purposes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217122 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 04:19:54 +00:00
Juergen Ributzka
cd72c216cd Revert r216803 "[MachineSinking] Clear kill flag of all operands at all their uses."
This reverts commit r216803, because it might have broken the buildbot.
The issue is tracked in PR20842.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217120 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 02:07:36 +00:00
Juergen Ributzka
319b5d0e8e [FastISel][AArch64] Cleanup and simplify 'fastSelectInstruction'. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217119 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 01:29:21 +00:00
Juergen Ributzka
68a4ab08b3 [FastISel][AArch64] Add target-specific lowering for logical operations.
This change adds support for immediate and shift-left folding into logical
operations.

This fixes rdar://problem/18223183.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217118 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 01:29:18 +00:00
Chandler Carruth
fa2dfaedf2 [x86] Teach the new vector shuffle lowering about the zero masking
abilities of INSERTPS which are really powerful and come up in very
important contexts such as forming diagonal matrices, etc.

With this I ended up being able to remove the somewhat weird helper
I added for INSERTPS because we can collapse the entire state to a no-op
mask. Added a bunch of tests for inserting into a zero-ish vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217117 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 01:13:48 +00:00
David Majnemer
e35ac41a3a IndVarSimplify: Address review comments for r217102
No functional change intended, just some cleanups and comments added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217115 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 00:23:13 +00:00
Justin Bogner
b79ed97962 llvm-cov: Don't pointlessly create a unique_ptr (NFC)
There's no ownership going on here, and no reason to heap allocate
this object.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217113 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-04 00:04:54 +00:00
Matt Arsenault
c7ad7ec8b9 Revert accidentally committed r217107
"Don't treat 0 as a special value for int attributes."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217110 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:38:05 +00:00
Matt Arsenault
fa2e31c394 R600/SI: Un-move pattern I forgot to remove in last commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217109 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:28:57 +00:00
Matt Arsenault
c9cc488dfe R600/SI: Try to keep i32 mul on SALU
Also fix bug this exposed where when legalizing an immediate
operand, a v_mov_b32 would be created with a VSrc dest register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217108 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:24:35 +00:00
Matt Arsenault
017c14e722 Don't treat 0 as a special value for int attributes.
Split the get() to not use a default value. This way
attributes can be added that have 0 as a legitimate value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217107 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:24:31 +00:00
Kostya Serebryany
c9b2548b23 [asan] fix debug info produced for asan-coverage=2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217106 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:24:18 +00:00
Chris Bieneman
901166c939 Enabling LLVM & Clang to be cross-compiled using CMake from a single configuration command line
The basic idea is similar to the existing cross compilation support. A directory must be configured to build host versions of tablegen tools and llvm-config. This directory can be user provided (and configured), or it can be created during the build. During a build the native build directory will be configured and built to supply the tablegen tools used during the build. A user could also explicitly provide the tablegen executables to run on the CMake command line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217105 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:21:18 +00:00
David Majnemer
c0f2b8b528 IndVarSimplify: Don't let LFTR compare against a poison value
LinearFunctionTestReplace tries to use the *next* indvar to compare
against when possible.  However, it may be the case that the calculation
for the next indvar has NUW/NSW flags and that it may only be safely
used inside the loop.  Using it in a comparison to calculate the exit
condition could result in observing poison.

This fixes PR20680.

Differential Revision: http://reviews.llvm.org/D5174

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217102 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 23:03:18 +00:00
Chandler Carruth
699fd1909e [x86] Teach the new vector shuffle lowering about the simplest of
'insertps' patterns.

This replaces two shuffles with a single insertps in very common cases.
My next patch will extend this to leverage the zeroing capabilities of
insertps which will allow it to be used in a much wider set of cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217100 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 22:48:34 +00:00
Chandler Carruth
5f209637c4 [x86] Teach the asm comment printing to only print the clarification of
an immediate operand when we don't have instruction-specific comments.

This ensures that instruction-specific comments are attached to the same
line as the instruction which is important for using them to write
readable and maintainable tests. My next commit will just such a test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217099 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 22:46:44 +00:00
Kostya Serebryany
f12b1d8c7b [asan] add -asan-coverage=3: instrument all blocks and critical edges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217098 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 22:37:37 +00:00
David Blaikie
1c71488efc unique_ptrify RuntimeDyldImpl::loadObject
I'm not sure this is a particularly helpful API (to pass ownership and
then return it unconditionally) rather than just pass the underlying
object by non-const reference, but this was the original API so I'll
just make it more safe/stable and anyone else is free to adjust that at
their whim, of course.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217081 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 21:34:34 +00:00
Robin Morisset
1ad925ccf8 Refactor AtomicExpandPass and add a generic isAtomic() method to Instruction
Summary:
Split shouldExpandAtomicInIR() into different versions for Stores/Loads/RMWs/CmpXchgs.
Makes runOnFunction cleaner (no more redundant checking/casting), and will help moving
the X86 backend to this pass.

This requires a way of easily detecting which instructions are atomic.
I followed the pattern of mayReadFromMemory, mayWriteOrReadMemory, etc.. in making
isAtomic() a method of Instruction implemented by a switch on the opcodes.

Test Plan: make check

Reviewers: jfb

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D5035

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217080 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 21:29:59 +00:00
Benjamin Kramer
f0644b42a7 Make some helpers static or move into the llvm namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217077 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 21:04:12 +00:00
Robin Morisset
4b2698cf19 Use target-dependent emitLeading/TrailingFence instead of the target-independent insertLeading/TrailingFence (in AtomicExpandPass)
Fixes two latent bugs:
- There was no fence inserted before expanded seq_cst load (unsound on Power)
- There was only a fence release before seq_cst stores (again unsound, in particular on Power)
    It is not even clear if this is correct on ARM swift processors (where release fences are
    DMB ishst instead of DMB ish). This behaviour is currently preserved on ARM Swift
    as it is not clear whether it is incorrect. I would love to get documentation stating
    whether it is correct or not.
These two bugs were not triggered because Power is not (yet) using this pass, and these
behaviours happen to be (mostly?) working on ARM
(although they completely butchered the semantics of the llvm IR).

See:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-August/075821.html
for an example of the problems that can be caused by the second of these bugs.

I couldn't see a way of fixing these in a completely target-independent way without
adding lots of unnecessary fences on ARM, hence the target-dependent parts of this
patch.

This patch implements the new target-dependent parts only for ARM (the default
of not doing anything is enough for AArch64), other architectures will use this
infrastructure in later patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217076 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 21:01:03 +00:00
Juergen Ributzka
ecadea992a [FastISel][tblgen] Rename tblgen generated FastISel functions. NFC.
This is the final round of renaming. This changes tblgen to emit lower-case
function names for FastEmitInst_* and FastEmit_*, and updates all its uses
in the source code.

Reviewed by Eric

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217075 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:56:59 +00:00
Juergen Ributzka
6042034603 [FastISel] Rename public visible FastISel functions. NFC.
This commit renames the following public FastISel functions:
LowerArguments -> lowerArguments
SelectInstruction -> selectInstruction
TargetSelectInstruction -> fastSelectInstruction
FastLowerArguments -> fastLowerArguments
FastLowerCall -> fastLowerCall
FastLowerIntrinsicCall -> fastLowerIntrinsicCall
FastEmitZExtFromI1 -> fastEmitZExtFromI1
FastEmitBranch -> fastEmitBranch
UpdateValueMap -> updateValueMap
TargetMaterializeConstant -> fastMaterializeConstant
TargetMaterializeAlloca -> fastMaterializeAlloca
TargetMaterializeFloatZero -> fastMaterializeFloatZero
LowerCallTo -> lowerCallTo

Reviewed by Eric

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217074 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:56:52 +00:00
Chandler Carruth
e361d518d1 [JIT] Add an out-of-line definition for the virtual destructor in
JITEventListener. This used to be in the old JIT (last line of the file)
and everyone just "happened" to pick it up from there. =/ Doh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217073 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:39:10 +00:00
Chandler Carruth
36cf5d68be [x86] Add an SSE4.1 mode to this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217072 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:39:06 +00:00
Eric Christopher
5b7ae59f6d Remove resetSubtargetFeatures as it is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217071 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:36:31 +00:00
Eric Christopher
c24df453b0 Remove unnecessary getTarget call now that the subtarget is cached
on the machine function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217070 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:36:26 +00:00
Sanjay Patel
8bf2a84891 house cleaning: "Don’t duplicate function or class name at the beginning of the comment."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217069 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:08:51 +00:00
Rafael Espindola
52fa0d066a Add writeFileWithSystemEncoding to LibLLVMSuppor.
This patch adds to LLVMSupport the capability of writing files with
international characters encoded in the current system encoding. This
is relevant for Windows, where we can either use UTF16 or the current
code page (the legacy Windows international characters). On UNIX, the
file is always saved in UTF8.

This will be used in a patch for clang to thoroughly support response
files creation when calling other tools, addressing PR15171. On
Windows, to correctly support internationalization, we need the
ability to write response files both in UTF16 or the current code
page, depending on the tool we will call. GCC for mingw, for instance,
requires files to be encoded in the current code page. MSVC tools
requires files to be encoded in UTF16.

Patch by Rafael Auler!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217068 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 20:02:00 +00:00
David Blaikie
3693c29d1c unique_ptrify MCJIT::emitObject
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217067 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 19:57:35 +00:00
David Blaikie
96a8ccfab7 unique_ptrify a bunch of stuff through RuntimeDyld::loadObject
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217065 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 19:48:09 +00:00
Chandler Carruth
87508f1d87 [x86] Make this test check everything for both SSE2 and AVX1 modes,
using a common 'all' prefix for the common test output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217063 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 19:39:10 +00:00
Juergen Ributzka
39af4e655a [FastISel] Some long overdue spring cleaning of FastISel.
Things got a little bit messy over the years and it is time for a little bit
spring cleaning.

This first commit is focused on the FastISel base class itself. It doxyfies all
comments, C++11fies the code where it makes sense, renames internal methods to
adhere to the coding standard, and clang-formats the files.

Reviewed by Eric

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217060 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 18:46:45 +00:00
Alexey Samsonov
75899aab35 Fix downcasts of unaligned empty/tombstone DenseMap keys for DenseMap<AssertVH<T>, Foo>.
Test Plan: llvm regression test suite

Reviewers: chandlerc, rsmith

Reviewed By: rsmith

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D4976

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217058 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 18:11:48 +00:00
Lang Hames
07ad198d6c Add a regression test to sanity check the PBQP allocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217057 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 18:04:10 +00:00
David Blaikie
faa7461fc3 unique_ptrify IRObjectFile::createIRObjectFile
I took a guess at the changes to the gold plugin, because that doesn't
seem to build by default for me. Not sure what dependencies I might be
missing for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217056 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:59:23 +00:00
Juergen Ributzka
1892eabdef [FastISel][AArch64] Move unconditional branch handling into 'SelectBranch'. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217054 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:58:10 +00:00
Chris Bieneman
b9053f6cbc Removing static initializer from Debug.cpp by converting to a ManagedStatic.
This is part of our larger effort to remove static initializers from LLVM libraries.

Reviewed by: chandlerc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217053 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:50:14 +00:00
David Blaikie
413eadfac9 unique_ptrify MachOUniversalBinary::create
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217052 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:41:05 +00:00
Sanjay Patel
b89304eb7c Preserve IR flags (nsw, nuw, exact, fast-math) in SLP vectorizer (PR20802).
The SLP vectorizer should propagate IR-level optimization hints/flags (nsw, nuw, exact, fast-math)
when converting scalar instructions into vectors. But this isn't a simple copy - we need to take
the intersection (the logical 'and') of the sets of flags on the scalars.

The solution is further complicated because we can have non-uniform (non-SIMD) vector ops after:
http://reviews.llvm.org/D4015
http://llvm.org/viewvc/llvm-project?view=revision&revision=211339

The vast majority of changed files are existing tests that were not propagating IR flags, but I've
also added a new test file for focused testing of IR flag possibilities.

Differential Revision: http://reviews.llvm.org/D5172



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217051 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:40:30 +00:00
Rafael Espindola
6d66a1cd2f Pass a && to getLazyBitcodeModule.
This forces callers to use std::move when calling it. It is somewhat odd to have
code with std::move that doesn't always move, but it is also odd to have code
without std::move that sometimes moves.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217049 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:31:46 +00:00
David Blaikie
38a4f3bbec Ensure ErrorOr cannot implicitly invoke explicit ctors of the underlying type.
An unpleasant surprise while migrating unique_ptrs (see changes in
lib/Object): ErrorOr<int*> was implicitly convertible to
ErrorOr<std::unique_ptr<int>>.

Keep the explicit conversions otherwise it's a pain to convert
ErrorOr<int*> to ErrorOr<std::unique_ptr<int>>.

I'm not sure if there should be more SFINAE on those explicit ctors (I
could check if !is_convertible && is_constructible, but since the ctor
has to be called explicitly I don't think there's any need to disable
them when !is_constructible - they'll just fail anyway. It's the
converting ctors that can create interesting ambiguities without proper
SFINAE). I had to SFINAE the explicit ones because otherwise they'd be
ambiguous with the implicit ones in an explicit context, so far as I
could tell.

The converting assignment operators seemed unnecessary (and similarly
buggy/dangerous) - just rely on the converting ctors to convert to the
right type for assignment instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217048 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 17:31:25 +00:00
Rafael Espindola
c359193486 Update to not depend on "llvm-objdump -d -symbolize".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217047 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 16:16:02 +00:00
Tom Stellard
ce4caf146f R600/SI: Add a pattern for i64 and in a branch
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217041 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 15:22:41 +00:00
Tom Stellard
2381dfeab5 R600/SI: Fix typos in SIInstrInfo::areLoadsFromSameBasePtr()
This fixes a crash in the OpenCV test:
ImgprocWarpResizeArea/Resize.Mat/16

There is no test case for this, because this failure depends on a
specific ordering of the loads, which could easily change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217040 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 15:22:39 +00:00
Renato Golin
218805d21d Check-label a bit more specific
Sometimes, the .file could be reordered and it'd identify the ldr in the filename as a bad match.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217037 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 13:32:08 +00:00
Joerg Sonnenberger
b9f34663cb Document !and. Fix !shl and friends -- they provide binary operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217034 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 13:17:03 +00:00
Iain Sandoe
b449c2885f Fix configure and make build of llvm examples.
Replaced link component 'jit' with 'mcjit'.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217032 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 13:12:16 +00:00
Benjamin Kramer
a80ff26688 Add override to overriden virtual methods, remove virtual keywords.
No functionality change. Changes made by clang-tidy + some manual cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217028 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-03 11:41:21 +00:00