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323065 evgeny777
Temporarily revert r323062 to investigate buildbot failures
323064 teemperor
[modules] Fix missing includes/typo in LLDB's includes. [NFC]

Summary:
This patch adds missing includes to the LLDB headers inside `include/` as a first step of building LLDB's source with C++ modules. It also fixes this single `stds::` typo.

Some quick map why some non-obvious includes were necessary:
* lldb/lldb-defines.h for LLDB_INVALID_ADDRESS
* lldb/lldb-types.h for addr_t
* lldb/lldb-defines.h for DISALLOW_COPY_AND_ASSIG
* lldb/DataFormatters/TypeSynthetic.h for SyntheticChildrenFrontEnd

Reviewers: aprantl

Reviewed By: aprantl

Subscribers: zturner, lldb-commits

Differential Revision: https://reviews.llvm.org/D42340
323063 evgeny777
An attempt to fix buildbot after rL323062
323062 evgeny777
[ThinLTO] Implement summary visualizer

Differential revision: https://reviews.llvm.org/D41297
323061 phosek
[sanitizer] Pass the CMake compiler to custom libc++ build

This addresses the error introduced in r323054 on some bots.
323060 lhames
[ORC] Add a lookupFlags method to VSO.

lookupFlags returns a SymbolFlagsMap for the requested symbols, along with a
set containing the SymbolStringPtr for any symbol not found in the VSO.

The JITSymbolFlags for each symbol will have been stripped of its transient
JIT-state flags (i.e. NotMaterialized, Materializing).

Calling lookupFlags does not trigger symbol materialization.
323059 lhames
[ORC] More cleanup. NFC.
323058 kuhar
[Dominators] Remove misleading double-deletion test

Summary:
It's generally not safe to perform multiple DomTree updates without using the incremental API.

Although it is supposed to work in this particular case, the testcase is misleading/confusing, and it's better to remove it.

Reviewers: dberlin, brzycki, davide, grosser

Reviewed By: davide

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42333
323057 lhames
[ORC] Cleanup. NFC.
323056 reames
[DSE] Factor out common code [NFC]

We already had the pointer being stored to in the MemLoc, reuse that code.  In merging cases, it turned out the interface of the getLocForWrite had become inconsitent with other related utilities.  Fix that by making sure the input passes hasAnalyzableWrite as well.

323055 reames
[DSE] Minor rename for clarity sake [NFC]

323054 phosek
Reland "[Fuzzer] Parametrize add_custom_libcxx"

add_custom_libcxx uses the just built compiler and installs the
built libc++, e.g. for testing, neither of which is desirable in
case of Fuzzer where the libc++ should be built using the host
compiler and it's only linked into the libFuzzer and should never
be installed. This change introduces additional arguments to
add_custom_libcxx to allow parametrizing its behavior.

Differential Revision: https://reviews.llvm.org/D42330
323053 dhinton
[cmake] Don't build Native llvm-config when cross compiling if passed by user.

Summary:
Rename LLVM_CONFIG_EXE to LLVM_CONFIG_PATH, and avoid building it if
passed in by user.  This is the same way CLANG_TABLEGEN and
LLVM_TABLEGEN are handled, e.g., when -DLLVM_OPTIMIZED_TABLEGEN=ON is
passed.

Differential Revision: https://reviews.llvm.org/D41806
323052 dcoughlin
[analyzer] Provide a check name when MallocChecker enables CStringChecker

Fix an assertion failure caused by a missing CheckName. The malloc checker
enables "basic" support in the CStringChecker, which causes some CString
bounds checks to be enabled. In this case, make sure that we have a
valid CheckName for the BugType.
323051 vvassilev
[cmake] Use CLANG_BINARY_DIR to determine the build directory.

The patch puts the ClangConfig.cmake in the expected location  when clang is
embedded into a framework.
323050 marshall
More P0202 constexpr work. This commit adds fill/fill_n/generate/generate_n/unique/unique_copy. I removed a specialization of fill_n that recognized when we were dealing with raw pointers and 1 byte trivially-assignable types and did a memset, because the compiler will do that optimization for us.
323049 fhahn
[ValueLattice] Use union to shave off ptr size bytes from elements.

By using a union for Constant* and ConstantRange we can shave off ptr
size bytes off lattice elements. On 64 bit systems, it brings down the
size to 40 bytes from 48 bytes.

Initialization of Range happens on-demand using placement new, if the
state changes to constantrange from non-constantrange. Similarly, the
Range object is destroyed if the state changes from constantrange to
non-constantrange.

Reviewers: reames, anna, davide

Reviewed By: reames, davide

Differential Revision: https://reviews.llvm.org/D41903
323048 ctopper
[X86] Add an override of targetShrinkDemandedConstant to limit the damage that shrinkdemandedbits can do to zext_in_reg operations

Summary:
This patch adds an implementation of targetShrinkDemandedConstant that tries to keep shrinkdemandedbits from removing bits that would otherwise have been recognized as a movzx.

We still need a follow patch to stop moving ands across srl if the and could be represented as a movzx before the shift but not after. I think this should help with some of the cases that D42088 ended up removing during isel.

Reviewers: spatel, RKSimon

Reviewed By: spatel

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D42265
323047 ctopper
[X86] Add rdpid command line option and intrinsics.

Summary: This patch adds -mrdpid/-mno-rdpid and the rdpid intrinsic. The corresponding LLVM commit has already been made.

Reviewers: RKSimon, spatel, zvi, AndreiGrischenko

Reviewed By: RKSimon

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D42272
323046 ctopper
[X86] Put the code that defines __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 for the preprocessor with the other __GCC_HAVE_SYNC_COMPARE_AND_SWAP_* defines. NFC
323045 rksimon
[X86][SSE] Check for out of bounds PEXTR/PINSR indices during faux shuffle combining.
323044 jonpa
Move new test from Generic to SystemZ.

A few build bots failed with r323042 because they are not configured to
build the SystemZ target.
323043 spatel
[InstCombine] add baseline tests for (X << Y) / X -> 1 << Y; NFC

This fold is proposed in D42032.
323042 jonpa
[SelectionDAG] Fix codegen of vector stores with non byte-sized elements.

This was completely broken, but hopefully fixed by this patch.

In cases where it is needed, a vector with non byte-sized elements is stored
by extracting, zero-extending, shift:ing and or:ing the elements into an
integer of the same width as the vector, which is then stored.

Review: Eli Friedman, Ulrich Weigand
https://reviews.llvm.org/D42100#inline-369520
https://bugs.llvm.org/show_bug.cgi?id=35520
323041 dim
Assume the shared library path variable is LD_LIBRARY_PATH on systems
except Darwin and Windows.  This prevents inserting an environment
variable with an empty name (which is illegal and leads to a Python
exception) on any of the BSDs.