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Update to r211349 #9

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@dotdash dotdash commented Jun 20, 2014

The previous update to r211089 unfortunately had broken codegen for x86 floating point comparisons when optimizations are turned off.

bogner and others added 30 commits June 17, 2014 06:52
This reads a little strangely. Add a space to clean it up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211090 91177308-0d34-0410-b5e6-96231b3b80d8
Mimic r116632 in passing LLVM_VERSION_INFO from the Makefile build
system to the build. This improves the -version output of tools that
use llvm::cl under the configure+make system.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211091 91177308-0d34-0410-b5e6-96231b3b80d8
…trailing zeroes.

Multiplication by an integer with a number of trailing zero bits leaves
the same number of lower bits of the result initialized to zero.
This change makes MSan take this into account in the case of multiplication by
a compile-time constant.

We don't handle the general, non-constant, case because
(a) it's not going to be cheap (computation-wise);
(b) multiplication by a partially uninitialized value in user code is
    a bad idea anyway.

Constant case must be handled because it appears from LLVM optimization of a
completely valid user code, as the test case in compiler-rt demonstrates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211092 91177308-0d34-0410-b5e6-96231b3b80d8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211094 91177308-0d34-0410-b5e6-96231b3b80d8
To make sure branches are in range, we need to do a better job of estimating
the length of an inline assembly block than "it's probably 1 instruction, who'd
write asm with more than that?".

Fortunately there's already a (highly suspect, see how many ways you can think
of to break it!) callback for this purpose, which is used by the other targets.

rdar://problem/17277590

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211095 91177308-0d34-0410-b5e6-96231b3b80d8
This patch add code to remove unreachable blocks from function
as they may cause jump threading to stuck in infinite loop.

Differential Revision: http://reviews.llvm.org/D3991



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211103 91177308-0d34-0410-b5e6-96231b3b80d8
Overlooked that fcmp_une uses an "or" instead of an "and" for combining the
flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211104 91177308-0d34-0410-b5e6-96231b3b80d8
…dressing

We need to store a value greater than or equal to the number of LDS
bytes allocated by the shader in the m0 register in order for LDS
instructions to work correctly.

We always initialize m0 at the beginning of a shader, but this register
is also used for indirect addressing offsets, so we need to
re-initialize it any time we use indirect addressing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211107 91177308-0d34-0410-b5e6-96231b3b80d8
mark the old JIT tests as unsupported for powerpc64 - CMake style.
This follows the style used for hexagon/arm64/aarch64.
The equivalent tests still run under the supported MCJIT/*



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211111 91177308-0d34-0410-b5e6-96231b3b80d8
…ut, and

and the -l option for the long format.  Also when the object is a Mach-O
file and the format is berkeley produce output like darwin’s default size(1)
summary berkeley derived output.

Like System V format, there are also some small changes in how and where
the file names and archive member names are printed for darwin and
Mach-O.

Like the changes to llvm-nm these are the first steps in seeing if it is
possible to make llvm-size produce the same output as darwin's size(1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211117 91177308-0d34-0410-b5e6-96231b3b80d8
The OSX ranlib warns on files with no symbols, and lib/Support/WindowsError.cpp
was empty when building on non-windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211118 91177308-0d34-0410-b5e6-96231b3b80d8
Add all inputs to the array, except those starting with @, which
are treated as response files and expanded.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211119 91177308-0d34-0410-b5e6-96231b3b80d8
This pattern loses some of its usefulness when the mutex type is
statically polymorphic as opposed to runtime polymorphic, as
swapping out the mutex type requires changing a significant number
of function parameters, and templatizing the function parameter
requires the methods to be defined in the headers.

Furthermore, if LLVM is compiled with threads disabled then there
may even be no mutex to acquire anyway, so it should not be up to
individual APIs to know whether or not acquiring a mutex is required
to use those APIs to begin with.  It should be up to the user of the
API.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211125 91177308-0d34-0410-b5e6-96231b3b80d8
This optimizes predicates for certain compares, such as fcmp oeq %x, %x to
fcmp ord %x, %x. The latter one is more efficient to generate.

The same optimization is applied to conditional branches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211126 91177308-0d34-0410-b5e6-96231b3b80d8
This patch is a follow up to r211040 & r211052. Rather than bailing out of fast
isel this patch will generate an alternate instruction (movabsq) instead of the
leaq. While this will always have enough room to handle the 64 bit displacment
it is generally over kill for internal symbols (most displacements will be
within 32 bits) but since we have no way of communicating the code model to the
the assmebler in order to avoid flagging an absolute leal/leaq as illegal when
using a symbolic displacement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211130 91177308-0d34-0410-b5e6-96231b3b80d8
that we link in the support libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211131 91177308-0d34-0410-b5e6-96231b3b80d8
…CAT_VECTOR.

ReconstructShuffle() may wrongly creat a CONCAT_VECTOR trying to
concat 2 of v2i32 into v4i16. This commit is to fix this issue and
try to generate UZP1 instead of lots of MOV and INS.
Patch is initalized by Kevin Qin, and refactored by Tim Northover.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211144 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Provides an abstraction for a random number generator (RNG) that produces a stream of pseudo-random numbers.
The current implementation uses C++11 facilities and is therefore not cryptographically secure.

The RNG is salted with the text of the current command line invocation.
In addition, a user may specify a seed (reproducible builds).

In clang, the seed can be set via
  -frandom-seed=X
In the back end, the seed can be set via
  -rng-seed=X

This is the llvm part of the patch.
clang part: D3391

Reviewers: ahomescu, rinon, nicholas, jfb

Reviewed By: jfb

Subscribers: jfb, perl

Differential Revision: http://reviews.llvm.org/D3390

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211145 91177308-0d34-0410-b5e6-96231b3b80d8
This reverts commit cccba093090d127e0b6d17473b14c264c14c5259.

It causes build breakage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211146 91177308-0d34-0410-b5e6-96231b3b80d8
MIPS GOT section.

Patch reviewed by Rafael Espindola.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211150 91177308-0d34-0410-b5e6-96231b3b80d8
echristo and others added 25 commits June 19, 2014 21:03
the atomic load linked expander pass to run for a particular
subtarget. This requires a check of the subtarget and so save
the TargetMachine rather than only TargetLoweringInfo and update
all callers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211314 91177308-0d34-0410-b5e6-96231b3b80d8
The tools/lto API is not the best choice for implementing a gold plugin. Among
other issues:

* It is an stable ABI. Old errors stay and we have to be really careful
  before adding new features.
* It has to support two fairly different linkers: gold and ld64.
* We end up with a plugin that depends on a shared lib, something quiet
  unusual in LLVM land.
* It hides LLVM. For some features in the gold plugin it would be really
  nice to be able to just get a Module or a GlobalValue.

This change is intended to be a very direct translation from the C API. It
will just enable other fixes and cleanups.

Tested with a LTO bootstrap on linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211315 91177308-0d34-0410-b5e6-96231b3b80d8
… (aka

fat files) to print “ (for architecture XYZ)” for fat files with more than
one architecture to be like what the darwin tools do for fat files.

Also clean up the Mach-O printing of archive membernames in llvm-nm to use
the darwin form of "libx.a(foo.o)".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211316 91177308-0d34-0410-b5e6-96231b3b80d8
Patch by Tom Roeder, I just added the test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211317 91177308-0d34-0410-b5e6-96231b3b80d8
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211319 91177308-0d34-0410-b5e6-96231b3b80d8
Thanks to Alp Toker for noticing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211320 91177308-0d34-0410-b5e6-96231b3b80d8
…and ‘b’ for

data and bss symbols instead of the generic ’s’ for a symbol in a section.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211321 91177308-0d34-0410-b5e6-96231b3b80d8
This fixes the  processing of --plugin-opt=-jump-table-type=arity.

Nice properties:
 * We call InitTargetOptionsFromCodeGenFlags once.
 * We call parseCodeGenDebugOptions once.
 * It works :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211322 91177308-0d34-0410-b5e6-96231b3b80d8
Back in r128440 tools/LTO started exporting the disassembler interface. It
was never clear why, but whatever the reason I am pretty sure it doesn't hold
for tools/gold.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211325 91177308-0d34-0410-b5e6-96231b3b80d8
…m-size

which is what the darwin tools use for the Mach-O format output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211326 91177308-0d34-0410-b5e6-96231b3b80d8
We would previously put dllimport variables in switch lookup tables, which
doesn't work because the address cannot be used in a constant initializer.
This is basically the same problem that we have in PR19955.

Putting TLS variables in switch tables also desn't work, because the
address of such a variable is not constant.

Differential Revision: http://reviews.llvm.org/D4220

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211331 91177308-0d34-0410-b5e6-96231b3b80d8
instructions available as synthetic SDNodes PACKSS and PACKUS that will
select to the correct instruction variants based on the return type.
This allows us to use these rather important instructions when lowering
vector shuffles.

Also moves the relevant instruction definitions to be split out from
the fully generic multiclasses to allow them to match these new SDNodes
in the same way that the UNPCK instructions do.

No functionality should actually be changed here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211332 91177308-0d34-0410-b5e6-96231b3b80d8
Start extracting helper functions out of -block-freq's `UnsignedFloat`
into `Support/ScaledNumber.h` with the eventual goal of moving and
renaming the class to `ScaledNumber`.

The bike shed about names is still being painted, but I'm going with
this for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211333 91177308-0d34-0410-b5e6-96231b3b80d8
Use static instead of anonymous namespace.
Delete write only variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211335 91177308-0d34-0410-b5e6-96231b3b80d8
…ctorizer.

This patch adds support to recognize patterns such as fadd,fsub,fadd,fsub.../add,sub,add,sub... and
vectorizes them as vector shuffles if they are profitable.
These patterns of vector shuffle can later be converted to instructions such as addsubpd etc on X86.
Thanks to Arnold and Hal for the reviews. http://reviews.llvm.org/D4015 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211339 91177308-0d34-0410-b5e6-96231b3b80d8
Remove an unused AMDIL leftover, correct extra periods
appearing in the help menu.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211341 91177308-0d34-0410-b5e6-96231b3b80d8
Emit the ARM build attributes ABI_PCS_wchar_t and ABI_enum_size based on
module flags metadata.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211349 91177308-0d34-0410-b5e6-96231b3b80d8
PassRegistry::getPass() is quite heavy since it involves taking a lock and
looking up the info in a hashtable.
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alexcrichton pushed a commit that referenced this pull request Aug 2, 2018
…d VPlan for tests."

Memory leaks in tests.
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/6289/steps/check-llvm%20asan/logs/stdio

Direct leak of 192 byte(s) in 1 object(s) allocated from:
    #0 0x554ea8 in operator new(unsigned long) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/projects/compiler-rt/lib/asan/asan_new_delete.cc:106
    #1 0x56cef1 in llvm::VPlanTestBase::doAnalysis(llvm::Function&) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/unittests/Transforms/Vectorize/VPlanTestBase.h:53:14
    #2 0x56bec4 in llvm::VPlanTestBase::buildHCFG(llvm::BasicBlock*) /b/sanitizer-x86_64-linux-bootstrap/build/llvm/unittests/Transforms/Vectorize/VPlanTestBase.h:57:3
    #3 0x571f1e in llvm::(anonymous namespace)::VPlanHCFGTest_testVPInstructionToVPRecipesInner_Test::TestBody() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/unittests/Transforms/Vectorize/VPlanHCFGTest.cpp:119:15
    #4 0xed2291 in testing::Test::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    #5 0xed44c8 in testing::TestInfo::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2656:11
    #6 0xed5890 in testing::TestCase::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:2774:28
    #7 0xef3634 in testing::internal::UnitTestImpl::RunAllTests() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc:4649:43
    #8 0xef27e0 in testing::UnitTest::Run() /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/src/gtest.cc
    #9 0xebbc23 in RUN_ALL_TESTS /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/googletest/include/gtest/gtest.h:2233:46
    #10 0xebbc23 in main /b/sanitizer-x86_64-linux-bootstrap/build/llvm/utils/unittest/UnitTestMain/TestMain.cpp:51
    #11 0x7f65569592e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

and more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336718 91177308-0d34-0410-b5e6-96231b3b80d8
alexcrichton pushed a commit that referenced this pull request Aug 2, 2018
This reverts commit r337504 while I investigate a TSan bot failure that
seems related:

http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-autoconf/builds/26526

    #8 0x000055581f2895d8 (/b/sanitizer-x86_64-linux-autoconf/build/tsan_debug_build/bin/clang-7+0x1eb45d8)
    #9 0x000055581f294323 llvm::ConstantAggrKeyType<llvm::ConstantArray>::create(llvm::ArrayType*) const /b/sanitizer-x86_64-linux-autoconf/build/llvm/lib/IR/ConstantsContext.h:409:0
    #10 0x000055581f294323 llvm::ConstantUniqueMap<llvm::ConstantArray>::create(llvm::ArrayType*, llvm::ConstantAggrKeyType<llvm::ConstantArray>, std::pair<unsigned int, std::pair<llvm::ArrayType*, llvm::ConstantAggrKeyType<llvm::ConstantArray> > >&) /b/sanitizer-x86_64-linux-autoconf/build/llvm/lib/IR/ConstantsContext.h:635:0
    #11 0x000055581f294323 llvm::ConstantUniqueMap<llvm::ConstantArray>::getOrCreate(llvm::ArrayType*, llvm::ConstantAggrKeyType<llvm::ConstantArray>) /b/sanitizer-x86_64-linux-autoconf/build/llvm/lib/IR/ConstantsContext.h:654:0
    #12 0x000055581f2944cb llvm::ConstantArray::get(llvm::ArrayType*, llvm::ArrayRef<llvm::Constant*>) /b/sanitizer-x86_64-linux-autoconf/build/llvm/lib/IR/Constants.cpp:964:0
    #13 0x000055581fa27e19 llvm::SmallVectorBase::size() const /b/sanitizer-x86_64-linux-autoconf/build/llvm/include/llvm/ADT/SmallVector.h:53:0
    #14 0x000055581fa27e19 llvm::SmallVectorImpl<llvm::Constant*>::resize(unsigned long) /b/sanitizer-x86_64-linux-autoconf/build/llvm/include/llvm/ADT/SmallVector.h:347:0
    #15 0x000055581fa27e19 (anonymous namespace)::EmitArrayConstant(clang::CodeGen::CodeGenModule&, clang::ConstantArrayType const*, llvm::Type*, unsigned int, llvm::SmallVectorImpl<llvm::Constant*>&, llvm::Constant*) /b/sanitizer-x86_64-linux-autoconf/build/llvm/tools/clang/lib/CodeGen/CGExprConstant.cpp:669:0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337511 91177308-0d34-0410-b5e6-96231b3b80d8
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