Bruno Ricci [Mon, 3 Dec 2018 14:54:03 +0000 (14:54 +0000)]
[AST][Sema] Remove CallExpr::setNumArgs
CallExpr::setNumArgs is the only thing that prevents storing the arguments
in a trailing array. There is only 3 places in Sema where setNumArgs is called.
D54900 dealt with one of them.
This patch remove the other two calls to setNumArgs in ConvertArgumentsForCall.
To do this we do the following changes:
1.) Replace the first call to setNumArgs by an assertion since we are moving the
responsability to allocate enough space for the arguments from
Sema::ConvertArgumentsForCall to its callers
(which are Sema::BuildCallToMemberFunction, and Sema::BuildResolvedCallExpr).
2.) Add a new member function CallExpr::shrinkNumArgs, which can only be used
to drop arguments and then replace the second call to setNumArgs by
shrinkNumArgs.
3.) Add a new defaulted parameter MinNumArgs to CallExpr and its derived
classes which specifies a minimum number of argument slots to allocate.
The actual number of arguments slots allocated will be
max(number of args, MinNumArgs) with the extra args nulled. Note that
after the creation of the call expression all of the arguments will be
non-null. It is just during the creation of the call expression that some of
the last arguments can be temporarily null, until filled by default arguments.
4.) Update Sema::BuildCallToMemberFunction by passing the number of parameters
in the function prototype to the constructor of CXXMemberCallExpr. Here the
change is pretty straightforward.
5.) Update Sema::BuildResolvedCallExpr. Here the change is more complicated
since the type-checking for the function type was done after the creation of
the call expression. We need to move this before the creation of the call
expression, and then pass the number of parameters in the function prototype
(if any) to the constructor of the call expression.
6.) Update the deserialization of CallExpr and its derived classes.
Differential Revision: https://reviews.llvm.org/D54902
Reviewed By: aaron.ballman
llvm-svn: 348145
Fedor Sergeev [Mon, 3 Dec 2018 14:48:15 +0000 (14:48 +0000)]
Fixing -print-module-scope for legacy SCC passes
It appears that print-module-scope was not implemented for legacy SCC passes.
Fixed to print a whole module instead of just current SCC.
Reviewed By: mkazantsev
Differential Revision: https://reviews.llvm.org/D54793
llvm-svn: 348144
George Rimar [Mon, 3 Dec 2018 14:44:02 +0000 (14:44 +0000)]
[LLD][ELF] - Remove the excessive condition. NFC.
There is no need to check that In.DynSymTab != nullptr,
because `includeInDynsym` already checks for `!Config->HasDynSymTab`
and `HasDynSymTab` is the pre-condition for In.DynSymTab creation.
llvm-svn: 348143
Pablo Barrio [Mon, 3 Dec 2018 14:40:37 +0000 (14:40 +0000)]
[AArch64] Add command-line option for SSBS
Summary:
SSBS (Speculative Store Bypass Safe) is only mandatory from 8.5
onwards but is optional from Armv8.0-A. This patch adds testing for
the ssbs command line option, added to allow enabling the feature
in previous Armv8-A architectures to 8.5.
Reviewers: olista01, samparker, aemerson
Reviewed By: samparker
Subscribers: javed.absar, kristof.beyls, cfe-commits
Differential Revision: https://reviews.llvm.org/D54961
llvm-svn: 348142
Jonas Paulsson [Mon, 3 Dec 2018 14:30:18 +0000 (14:30 +0000)]
[SystemZ::TTI] Return zero cost for ICmp that becomes Load And Test.
A loaded value with multiple users compared with 0 will become a load and
test single instruction. The load is not folded in this case (multiple
users), but the compare instruction is eliminated.
This patch returns 0 cost for the icmp in these cases.
Review: Ulrich Weigand
https://reviews.llvm.org/D55111
llvm-svn: 348141
Eugene Leviant [Mon, 3 Dec 2018 14:03:51 +0000 (14:03 +0000)]
[SanitizerCommon] Remove RenameFile
This function seems to be no longer used by compiler-rt
libraries
Differential revision: https://reviews.llvm.org/D55123
llvm-svn: 348140
Marco Antognini [Mon, 3 Dec 2018 14:03:49 +0000 (14:03 +0000)]
[OpenCL][Sema] Improving formatting
Reformat comment added in r348120 following
review https://reviews.llvm.org/D55136.
llvm-svn: 348139
Louis Dionne [Mon, 3 Dec 2018 14:03:27 +0000 (14:03 +0000)]
[libcxx] Implement P0318: unwrap_ref_decay and unwrap_reference
Summary:
This was voted into C++20 in San Diego. Note that there was a revision
D0318R2 which did include unwrap_reference_t, but we mistakingly voted
P0318R1 into the C++20 Working Draft (which does not include
unwrap_reference_t). This patch implements D0318R2, which is what
we'll end up with in the Working Draft once this mistake has been
fixed.
Reviewers: EricWF, mclow.lists
Subscribers: christof, dexonsmith, libcxx-commits
Differential Revision: https://reviews.llvm.org/D54485
llvm-svn: 348138
Pablo Barrio [Mon, 3 Dec 2018 14:00:47 +0000 (14:00 +0000)]
[AArch64] Add command-line option for SSBS
Summary:
SSBS (Speculative Store Bypass Safe) is only mandatory from 8.5
onwards but is optional from Armv8.0-A. This patch adds a command
line option to enable SSBS, as it was previously only possible to
enable by selecting -march=armv8.5-a.
Similar patch upstream in GNU binutils:
https://sourceware.org/ml/binutils/2018-09/msg00274.html
Reviewers: olista01, samparker, aemerson
Reviewed By: samparker
Subscribers: javed.absar, kristof.beyls, kristina, llvm-commits
Differential Revision: https://reviews.llvm.org/D54629
llvm-svn: 348137
Aleksandr Urakov [Mon, 3 Dec 2018 13:31:13 +0000 (13:31 +0000)]
[PDB] Support PDB-backed expressions evaluation (+ fix stuck test)
Summary:
This patch contains several small fixes, which makes it possible to evaluate
expressions on Windows using information from PDB. The changes are:
- several sanitize checks;
- make IRExecutionUnit::MemoryManager::getSymbolAddress to not return a magic
value on a failure, because callers wait 0 in this case;
- entry point required to be a file address, not RVA, in the ObjectFilePECOFF;
- do not crash on a debuggee second chance exception - it may be an expression
evaluation crash. Also fix detection of "crushed" threads in tests;
- create parameter declarations for functions in AST to make it possible to call
debugee functions from expressions;
- relax name searching rules for variables, functions, namespaces and types. Now
it works just like in the DWARF plugin;
- fix endless recursion in SymbolFilePDB::ParseCompileUnitFunctionForPDBFunc.
Reviewers: zturner, asmith, stella.stamenova
Reviewed By: stella.stamenova, asmith
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D53759
llvm-svn: 348136
Ilya Biryukov [Mon, 3 Dec 2018 13:29:17 +0000 (13:29 +0000)]
[CodeComplete] Cleanup access checking in code completion
Summary: Also fixes a crash (see the added 'accessibility-crash.cpp' test).
Reviewers: ioeric, kadircet
Reviewed By: kadircet
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D55124
llvm-svn: 348135
Bruno Ricci [Mon, 3 Dec 2018 13:23:56 +0000 (13:23 +0000)]
[Sema] Avoid CallExpr::setNumArgs in Sema::BuildCallToObjectOfClassType
CallExpr::setNumArgs is the only thing that prevents storing the arguments
of a call expression in a trailing array since it might resize the argument
array. setNumArgs is only called in 3 places in Sema, and for all of them it
is possible to avoid it.
This deals with the call to setNumArgs in BuildCallToObjectOfClassType.
Instead of constructing the CXXOperatorCallExpr first and later calling
setNumArgs if we have default arguments, we first construct a large
enough SmallVector, do the promotion/check of the arguments, and
then construct the CXXOperatorCallExpr.
Incidentally this also avoid reallocating the arguments when the
call operator has default arguments but this is not the primary goal.
Differential Revision: https://reviews.llvm.org/D54900
Reviewed By: aaron.ballman
llvm-svn: 348134
Haojian Wu [Mon, 3 Dec 2018 13:16:04 +0000 (13:16 +0000)]
[clangd] Fix a stale comment, NFC.
llvm-svn: 348133
Ron Lieberman [Mon, 3 Dec 2018 13:04:54 +0000 (13:04 +0000)]
[AMDGPU] Add sdwa support for ADD|SUB U64 decomposed Pseudos
The introduction of S_{ADD|SUB}_U64_PSEUDO instructions which are decomposed
into VOP3 instruction pairs for S_ADD_U64_PSEUDO:
V_ADD_I32_e64
V_ADDC_U32_e64
and for S_SUB_U64_PSEUDO
V_SUB_I32_e64
V_SUBB_U32_e64
preclude the use of SDWA to encode a constant.
SDWA: Sub-Dword addressing is supported on VOP1 and VOP2 instructions,
but not on VOP3 instructions.
We desire to fold the bit-and operand into the instruction encoding
for the V_ADD_I32 instruction. This requires that we transform the
VOP3 into a VOP2 form of the instruction (_e32).
%19:vgpr_32 = V_AND_B32_e32 255,
killed %16:vgpr_32, implicit $exec
%47:vgpr_32, %49:sreg_64_xexec = V_ADD_I32_e64
%26.sub0:vreg_64, %19:vgpr_32, implicit $exec
%48:vgpr_32, dead %50:sreg_64_xexec = V_ADDC_U32_e64
%26.sub1:vreg_64, %54:vgpr_32, killed %49:sreg_64_xexec, implicit $exec
which then allows the SDWA encoding and becomes
%47:vgpr_32 = V_ADD_I32_sdwa
0, %26.sub0:vreg_64, 0, killed %16:vgpr_32, 0, 6, 0, 6, 0,
implicit-def $vcc, implicit $exec
%48:vgpr_32 = V_ADDC_U32_e32
0, %26.sub1:vreg_64, implicit-def $vcc, implicit $vcc, implicit $exec
Differential Revision: https://reviews.llvm.org/D54882
llvm-svn: 348132
Bruno Ricci [Mon, 3 Dec 2018 13:04:10 +0000 (13:04 +0000)]
[AST] Fix an uninitialized bug in the bits of FunctionDecl
FunctionDeclBits.IsCopyDeductionCandidate was not initialized.
This caused a warning with valgrind.
llvm-svn: 348131
Haojian Wu [Mon, 3 Dec 2018 12:53:19 +0000 (12:53 +0000)]
[clangd] Get rid of AST matchers in CodeComplete, NFC
Summary:
The isIndexedForCodeCompletion is called in the code patch of
SymbolCollector.
Reviewers: kadircet
Subscribers: ilya-biryukov, ioeric, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D55206
llvm-svn: 348130
Serge Guelton [Mon, 3 Dec 2018 12:41:35 +0000 (12:41 +0000)]
Portable Python script across Python version
Python3 does not support type destructuring in function parameters.
Differential Revision: https://reviews.llvm.org/D55198
llvm-svn: 348129
Bruno Ricci [Mon, 3 Dec 2018 12:32:32 +0000 (12:32 +0000)]
[AST][NFC] Pack CXXDeleteExpr
Use the newly available space in the bit-fields of Stmt.
This saves 8 bytes per CXXDeleteExpr. NFC.
llvm-svn: 348128
Serge Guelton [Mon, 3 Dec 2018 12:12:48 +0000 (12:12 +0000)]
Portable Python script across version
Have all classes derive from object: that's implicitly the default in Python3,
it needs to be done explicilty in Python2.
Differential Revision: https://reviews.llvm.org/D55121
llvm-svn: 348127
Serge Guelton [Mon, 3 Dec 2018 12:11:21 +0000 (12:11 +0000)]
Portable Python script across Python version
Python2 supports the two following equivalent construct
raise ExceptionType, exception_value
and
raise ExceptionType(exception_value)
Only the later is supported by Python3.
Differential Revision: https://reviews.llvm.org/D55195
llvm-svn: 348126
Ilya Biryukov [Mon, 3 Dec 2018 11:34:08 +0000 (11:34 +0000)]
[Analyzer] Actually check for -model-path being a directory
The original patch (r348038) clearly contained a typo and checked
for '-ctu-dir' twice.
llvm-svn: 348125
Ilya Biryukov [Mon, 3 Dec 2018 11:28:17 +0000 (11:28 +0000)]
[Analysis] Properly prepare test env in test/Analysis/undef-call.c
The test expectes the '%T/ctudir' to be present, but does not create it.
llvm-svn: 348124
Ilya Biryukov [Mon, 3 Dec 2018 11:26:35 +0000 (11:26 +0000)]
[clang] Do not read from 'test/SemaCXX/Inputs' inside 'test/AST'
Our integrate relies on test inputs being taken from the same diretory as the
test itself.
llvm-svn: 348123
Tim Northover [Mon, 3 Dec 2018 11:16:21 +0000 (11:16 +0000)]
ARM: use target-specific SUBS node when combining cmp with cmov.
This has two positive effects. First, using a custom node prevents
recombination leading to an infinite loop since the output DAG is notionally a
little more complex than the input one. Using a flag-setting instruction also
allows the subtraction to be folded with the related comparison more easily.
https://reviews.llvm.org/D53190
llvm-svn: 348122
Diogo N. Sampaio [Mon, 3 Dec 2018 11:08:13 +0000 (11:08 +0000)]
[NFC][AArch64] Split out backend features
This patch splits backend features currently
hidden behind architecture versions.
For example, currently the only way to activate
complex numbers extension is targeting an v8.3
architecture, where after the patch this extension
can be added separately.
This refactoring is required by the new command lines proposal:
http://lists.llvm.org/pipermail/llvm-dev/2018-September/126346.html
Reviewers: DavidSpickett, olista01, t.p.northover
Subscribers: kristof.beyls, bryanpkc, javed.absar, pbarrio
Differential revision: https://reviews.llvm.org/D54633
llvm-svn: 348121
Marco Antognini [Mon, 3 Dec 2018 10:58:56 +0000 (10:58 +0000)]
[OpenCL][Sema] Improve BuildResolvedCallExpr handling of builtins
Summary:
This is a follow-up on https://reviews.llvm.org/D52879, addressing a few issues.
This:
- adds a FIXME for later improvement for specific builtins: I previously have only checked OpenCL ones and ensured tests cover those.
- fixed the CallExpr type.
Reviewers: riccibruno
Reviewed By: riccibruno
Subscribers: yaxunl, Anastasia, kristina, svenvh, cfe-commits
Differential Revision: https://reviews.llvm.org/D55136
llvm-svn: 348120
George Rimar [Mon, 3 Dec 2018 10:48:57 +0000 (10:48 +0000)]
[LLD][ELF] - Improve the DWARF v5 suport for building .gdb_index.
Now LLD might build the broken/incomplete .gdb_index when some DWARF v5
sections (like .debug_rnglists and .debug_addr) are used.
Particularly, for the case above, we emit an empty address area.
A test case is provided and patch fixes the issue.
Differential revision: https://reviews.llvm.org/D55109
llvm-svn: 348119
Stefan Granitz [Mon, 3 Dec 2018 10:42:32 +0000 (10:42 +0000)]
[CMake] Add LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR for custom dSYM target directory on Darwin
Summary: When using `LLVM_EXTERNALIZE_DEBUGINFO` in LLDB, the default dSYM location for the shared library in LLDB.framework is inside the framework bundle. With `LLVM_EXTERNALIZE_DEBUGINFO_OUTPUT_DIR` we can easily fix that. I consider it a useful feature to be able to set a global output directory for external debug info (rather then having a target-specific one). Only implemented for Darwin so far.
Reviewers: beanz, aprantl
Reviewed By: aprantl
Subscribers: mgorny, aprantl, #lldb, lldb-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D55114
llvm-svn: 348118
Alex Bradbury [Mon, 3 Dec 2018 10:35:46 +0000 (10:35 +0000)]
[RISCV] Fix test/MC/Disassembler/RISCV/invalid-instruction.txt after rL347988
The test for [0x00 0x00] failed due to the introduction of c.unimp.
This particular test is unnecessary now that c.unimp was defined (and is
tested in test/MC/RISCV/rv32c-valid.s).
llvm-svn: 348117
Stefan Granitz [Mon, 3 Dec 2018 10:34:25 +0000 (10:34 +0000)]
[CMake] Store path to vendor-specific headers in clang-headers target property
Summary:
LLDB.framework wants a copy these headers. With this change LLDB can easily glob for the list of files:
```
get_target_property(clang_include_dir clang-headers RUNTIME_OUTPUT_DIRECTORY)
file(GLOB_RECURSE clang_vendor_headers RELATIVE ${clang_include_dir} "${clang_include_dir}/*")
```
By default `RUNTIME_OUTPUT_DIRECTORY` is unset for custom targets like `clang-headers`.
Reviewers: aprantl, JDevlieghere, davide, friss, dexonsmith
Reviewed By: JDevlieghere
Subscribers: mgorny, #lldb, cfe-commits, llvm-commits
Differential Revision: https://reviews.llvm.org/D55128
llvm-svn: 348116
George Rimar [Mon, 3 Dec 2018 10:33:40 +0000 (10:33 +0000)]
[llvm-dwarfdump] - Stop printing the bogus empty section name on invalid dwarf.
When there is no .debug_addr section for some reason,
llvm-dwarfdump would print the bogus empty section name when dumping ranges
in .debug_info:
DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000004
[0x0000000000000000, 0x0000000000000001) ""
[0x0000000000000000, 0x0000000000000002) "")
That happens because of the code which uses 0 (zero) as a section index as a default value.
The code should use -1ULL instead because technically 0 is a valid zero section index
in ELF and -1ULL is a special constant used that means "no section available".
This is mostly a fix for the overall correctness/safety of the code,
but a test case is provided too.
Differential revision: https://reviews.llvm.org/D55113
llvm-svn: 348115
Oliver Stannard [Mon, 3 Dec 2018 10:32:42 +0000 (10:32 +0000)]
[ARM][MC] Move information about variadic register defs into tablegen
Currently, variadic operands on an MCInst are assumed to be uses,
because they come after the defs. However, this is not always the case,
for example the Arm/Thumb LDM instructions write to a variable number of
registers.
This adds a property of instruction definitions which can be used to
mark variadic operands as defs. This only affects MCInst, because
MachineInstruction already tracks use/def per operand in each instance
of the instruction, so can already represent this.
This property can then be checked in MCInstrDesc, allowing us to remove
some special cases in ARMAsmParser::isITBlockTerminator.
Differential revision: https://reviews.llvm.org/D54853
llvm-svn: 348114
Oliver Stannard [Mon, 3 Dec 2018 10:21:28 +0000 (10:21 +0000)]
[ARM][Asm] Debug trace for the processInstruction loop
In the Arm assembly parser, we first match an instruction, then call
processInstruction to possibly change it to a different encoding, to
match rules in the architecture manual which can't be expressed by the
table-generated matcher.
This adds debug printing so that this process is visible when using the
-debug option.
To support this, I've added a new overload of MCInst::dump_pretty which
takes the opcode name as a StringRef, since we don't have an InstPrinter
instance in the assembly parser. Instead, we can get the same
information directly from the MCInstrInfo.
Differential revision: https://reviews.llvm.org/D54852
llvm-svn: 348113
Alexander Potapenko [Mon, 3 Dec 2018 10:15:43 +0000 (10:15 +0000)]
[KMSAN] Enable -msan-handle-asm-conservative by default
This change enables conservative assembly instrumentation in KMSAN builds
by default.
It's still possible to disable it with -msan-handle-asm-conservative=0
if something breaks. It's now impossible to enable conservative
instrumentation for userspace builds, but it's not used anyway.
llvm-svn: 348112
Petr Pavlu [Mon, 3 Dec 2018 09:28:28 +0000 (09:28 +0000)]
[GlobalISel] Fix test irtranslator-stackprotect-check.ll
Fix for commit r347862. Use correct AArch64 triple in test
CodeGen/AArch64/GlobalISel/irtranslator-stackprotect-check.ll.
llvm-svn: 348111
Sjoerd Meijer [Mon, 3 Dec 2018 08:26:34 +0000 (08:26 +0000)]
[ARM] FP16: support vld1.16 for vector loads with post-increment
Differential Revision: https://reviews.llvm.org/D55112
llvm-svn: 348110
Kang Zhang [Mon, 3 Dec 2018 03:32:57 +0000 (03:32 +0000)]
[PowerPC] Fix inconsistent ImmMustBeMultipleOf for same instruction
Summary:
There are 4 instructions which have Inconsistent ImmMustBeMultipleOf in the
function PPCInstrInfo::instrHasImmForm, they are LFS, LFD, STFS, STFD.
These four instructions should set the ImmMustBeMultipleOf to 1 instead of 4.
Reviewed By: steven.zhang
Differential Revision: https://reviews.llvm.org/D54738
llvm-svn: 348109
QingShan Zhang [Mon, 3 Dec 2018 03:32:16 +0000 (03:32 +0000)]
[NFC] [PowerPC] add an routine in PPCTargetLowering to determine if a global is accessed as got-indirect or not.
In theory, we should let the PPC target to determine how to lower the TOC Entry for globals.
And the PPCTargetLowering requires this query to do some optimization for TOC_Entry.
Differential Revision: https://reviews.llvm.org/D54925
llvm-svn: 348108
Nico Weber [Sun, 2 Dec 2018 22:26:18 +0000 (22:26 +0000)]
[gn build] Fix cosmetic bug in write_cmake_config.py
Before, #cmakedefine FOO resulted in #define FOO with a trailing space if FOO
was set to something truthy. Make it so that it's just #define FOO without a
trailing space.
No functional difference.
Differential Revision: https://reviews.llvm.org/D55172
llvm-svn: 348107
Nico Weber [Sun, 2 Dec 2018 22:25:25 +0000 (22:25 +0000)]
[gn build] Slightly simplify write_cmake_config.
Before, the script had a bunch of special cases for #cmakedefine and
#cmakedefine01 and then did general variable substitution. Now, the script
always does general variable substitution for all lines and handles the special
cases afterwards.
This has no observable effect for the inputs we use, but is easier to explain
and slightly easier to implement.
Also mention to link to CMake's configure_file() in the docstring.
(The new behavior doesn't quite match CMake on lines like #cmakedefine ${FOO},
but nobody does that.)
Differential Revision: https://reviews.llvm.org/D55171
llvm-svn: 348106
Nico Weber [Sun, 2 Dec 2018 21:43:15 +0000 (21:43 +0000)]
[gn build] Add build files for llvm/lib/Analysis and llvm/lib/ProfileData
Differential Revision: https://reviews.llvm.org/D55166
llvm-svn: 348105
Craig Topper [Sun, 2 Dec 2018 19:47:14 +0000 (19:47 +0000)]
[X86] Add a DAG combine to turn stores of vXi1 on pre-avx512 targets into a bitcast and a store of a iX scalar.
llvm-svn: 348104
Craig Topper [Sun, 2 Dec 2018 19:47:13 +0000 (19:47 +0000)]
[X86] Fix bad comment. NFC
llvm-svn: 348103
Stephen Kelly [Sun, 2 Dec 2018 17:30:40 +0000 (17:30 +0000)]
Replace FullComment member being visited with parameter
Reviewers: aaron.ballman
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D55070
llvm-svn: 348101
Stephen Kelly [Sun, 2 Dec 2018 17:30:34 +0000 (17:30 +0000)]
Extend the CommentVisitor with parameter types
Summary:
This has precedent in the StmtVisitor. This change will make it
possible to clean up the comment handling in ASTDumper.
Reviewers: aaron.ballman
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D55069
llvm-svn: 348100
Stephen Kelly [Sun, 2 Dec 2018 17:30:26 +0000 (17:30 +0000)]
Remove unecessary methods
The base class calls VisitExpr
llvm-svn: 348099
Michal Gorny [Sun, 2 Dec 2018 16:49:33 +0000 (16:49 +0000)]
[test] Fix use of 'sort -b' in SimpleLoopUnswitch on NetBSD
Add '-k 1' to 'sort -b' calls in SimpleLoopUnswitch tests, as required
for sort implementation on NetBSD. The '-b' modifier is ineffective
if specified without any key. Per the manpage:
Note that the -b option has no effect unless key fields are specified.
Differential Revision: https://reviews.llvm.org/D55168
llvm-svn: 348097
Michal Gorny [Sun, 2 Dec 2018 16:49:28 +0000 (16:49 +0000)]
[test] Fix ScalarEvolution test to allow __func__ with prototype
Fix ScalarEvolution/solve-quadratic.ll test to account for __func__
output listing the complete function prototype rather than just its
name, as it does on NetBSD.
Example Linux output:
GetQuadraticEquation: addrec coeff bw: 4
GetQuadraticEquation: equation -2x^2 + -2x + -4, coeff bw: 5, multiplied by 2
Example NetBSD output:
llvm::Optional<std::tuple<llvm::APInt, llvm::APInt, llvm::APInt, llvm::APInt, unsigned int> > GetQuadraticEquation(const llvm::SCEVAddRecExpr*): addrec coeff bw: 4
llvm::Optional<std::tuple<llvm::APInt, llvm::APInt, llvm::APInt, llvm::APInt, unsigned int> > GetQuadraticEquation(const llvm::SCEVAddRecExpr*): equation -2x^2 + -2x + -4, coeff bw: 5, multiplied by 2
Differential Revision: https://reviews.llvm.org/D55162
llvm-svn: 348096
Michal Gorny [Sun, 2 Dec 2018 16:49:23 +0000 (16:49 +0000)]
[test] Fix BugPoint/compile-custom.ll to use detected python exec
Spawn the custom compile command in BugPoint/compile-custom.ll via
%python rather than relying on implicit 'env python' shebang, in order
to fix it on systems that don't have 'python' executable such as NetBSD.
Differential Revision: https://reviews.llvm.org/D55161
llvm-svn: 348095
Stephen Kelly [Sun, 2 Dec 2018 16:42:34 +0000 (16:42 +0000)]
Fix whitespace
llvm-svn: 348094
Stephen Kelly [Sun, 2 Dec 2018 16:36:23 +0000 (16:36 +0000)]
Add dump tests for ArrayInitLoopExpr and ArrayInitIndexExpr
llvm-svn: 348093
Nikita Popov [Sun, 2 Dec 2018 14:14:11 +0000 (14:14 +0000)]
[ValueTracking] Support funnel shifts in computeKnownBits()
If the shift amount is known, we can determine the known bits of the
output based on the known bits of two inputs.
This is essentially the same functionality as implemented in D54869,
but for ValueTracking rather than InstCombine SimplifyDemandedBits.
Differential Revision: https://reviews.llvm.org/D55140
llvm-svn: 348091
Sanjay Patel [Sun, 2 Dec 2018 13:48:42 +0000 (13:48 +0000)]
[SelectionDAG] fold constant with undef vector per element
This makes the SDAG behavior consistent with the way we do this in IR.
It's possible that we were getting the wrong answer before. For example,
'xor undef, undef --> 0' but 'xor undef, C' --> undef.
But the most practical improvement is likely as shown in the tests here -
for FP, we were overconstraining undef lanes to NaN, and that can prevent
vector simplifications/narrowing (see D51553).
llvm-svn: 348090
Sanjay Patel [Sun, 2 Dec 2018 13:33:56 +0000 (13:33 +0000)]
[DAGCombiner] guard against an oversized shift crash
This change prevents the crash noted in the post-commit comments
for rL347478 :
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-
20181119/605166.html
We can't guarantee that an oversized shift amount is folded away,
so we have to check for it.
Note that I committed an incomplete fix for that crash with:
rL347502
But as discussed here:
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-
20181126/605679.html
...we have to try harder.
So I'm not sure how to expose the bug now (and apparently no fuzzers have found
a way yet either).
On the plus side, we have discovered that we're missing real optimizations by
not simplifying nodes sooner, so the earlier fix still has value, and there's
likely more value in extending that so we can simplify more opcodes and simplify
when doing RAUW and/or putting nodes on the combiner worklist.
Differential Revision: https://reviews.llvm.org/D54954
llvm-svn: 348089
Sanjay Patel [Sun, 2 Dec 2018 13:26:03 +0000 (13:26 +0000)]
[ValueTracking] add helper function for testing implied condition; NFCI
We were duplicating code around the existing isImpliedCondition() that
checks for a predecessor block/dominating condition, so make that a
wrapper call.
llvm-svn: 348088
Craig Topper [Sun, 2 Dec 2018 07:52:39 +0000 (07:52 +0000)]
[X86] Simplify LowerBITCAST code for v2i32/v4i16/v8i8/i64->mmx/i64/f64 bitcast.
Previously this code generated its own extracts and build_vector. But we can use a simpler concat_vectors or scalar_to_vector operation and let type legalization do additional legalization of those operations.
llvm-svn: 348087
Craig Topper [Sun, 2 Dec 2018 05:46:50 +0000 (05:46 +0000)]
[X86] Add custom type legalization for v2i32/v4i16/v8i8->mmx bitcasts to avoid a store/load to/from the stack.
Widen the input to a 128 bit vector by padding with undef elements. Then use a movdq2q to convert from xmm register to mmx register.
llvm-svn: 348086
Craig Topper [Sun, 2 Dec 2018 05:46:48 +0000 (05:46 +0000)]
[X86] Custom type legalize v2i32/v4i16/v8i8->i64 bitcasts in 64-bit mode similar to what's done when the destination is f64.
The generic legalizer will fall back to a stack spill that uses a truncating store. That store will get expanded into a shuffle and non-truncating store on pre-avx512 targets. Once that happens the stack store/load pair will be combined away leaving behind the shuffle and bitcasts. On avx512 targets the truncating store is legal so doesn't get folded away.
By custom legalizing it we can avoid this churn and maybe produce better code.
llvm-svn: 348085
Matt Arsenault [Sat, 1 Dec 2018 22:16:27 +0000 (22:16 +0000)]
OpenCL: Improve vector printf warnings
The vector modifier is considered separate, so
don't treat it as a conversion specifier.
This is still not warning on some cases, like
using a type that isn't a valid vector element.
Fixes bug 39652
llvm-svn: 348084
Matt Arsenault [Sat, 1 Dec 2018 21:56:10 +0000 (21:56 +0000)]
OpenCL: Extend argument promotion rules to vector types
The spec is ambiguous on whether vector types are allowed to be
implicitly converted. The only legal context I think this can
be used for OpenCL is printf, where it seems necessary.
llvm-svn: 348083
Craig Topper [Sat, 1 Dec 2018 21:53:08 +0000 (21:53 +0000)]
[X86] Add vXi8 division/remainder by non-splat constant test cases to prepare for an upcoming patch.
llvm-svn: 348082
Jessica Paquette [Sat, 1 Dec 2018 21:24:06 +0000 (21:24 +0000)]
[MachineOutliner][AArch64] Improve checks for stack instructions
If we know that we'll definitely save LR to a register, there's no reason to
pre-check whether or not a stack instruction is unsafe to fix up.
This makes it so that we check for that condition before mapping instructions.
This allows us to outline more, since we don't pessimise as many instructions.
Also update some tests, since we outline more.
llvm-svn: 348081
Jessica Paquette [Sat, 1 Dec 2018 21:23:58 +0000 (21:23 +0000)]
Replace w16/w17 in machine-outliner.mir with w11/w12
These registers should not be used here, since they are interprocedural
scratch registers in AArch64.
llvm-svn: 348080
Craig Topper [Sat, 1 Dec 2018 19:26:31 +0000 (19:26 +0000)]
[X86] Don't use zero_extend_vector_inreg for mulhu lowering with sse 4.1
Summary: With sse4.1 we use two zero_extend_vector_inreg and a pshufd to expand the v16i8 input into two v8i16 vectors for the multiply. That's 3 shuffles to extend one operand. The other operand is usually constant as this is mostly used by division by constant optimization. Pre sse4.1 we use a punpckhbw and a punpcklbw with a zero vector. That's two shuffles and an xor and a copy due to tied register constraints. That seems maybe better than the 3 shuffles. With AVX we avoid the copy so that's obviously better.
Reviewers: spatel, RKSimon
Reviewed By: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D55138
llvm-svn: 348079
Dan Liew [Sat, 1 Dec 2018 15:45:42 +0000 (15:45 +0000)]
Introduce a way to allow the ASan dylib on Darwin platforms to be loaded via `dlopen()`.
Summary:
The purpose of this option is provide a way for the ASan dylib
to be loaded via `dlopen()` without triggering most initialization
steps (e.g. shadow memory set up) that normally occur when the
ASan dylib is loaded.
This new functionality is exposed by
- A `SANITIZER_SUPPORTS_INIT_FOR_DLOPEN` macro which indicates if the
feature is supported. This only true for Darwin currently.
- A `HandleDlopenInit()` function which should return true if the library
is being loaded via `dlopen()` and
`SANITIZER_SUPPORTS_INIT_FOR_DLOPEN` is supported. Platforms that
support this may perform any initialization they wish inside this
function.
Although disabling initialization is something that could potentially
apply to other sanitizers it appears to be unnecessary for other
sanitizers so this patch only makes the change for ASan.
rdar://problem/
45284065
Reviewers: kubamracek, george.karpenkov, kcc, eugenis, krytarowski
Subscribers: #sanitizers, llvm-commits
Differential Revision: https://reviews.llvm.org/D54469
llvm-svn: 348078
Simon Pilgrim [Sat, 1 Dec 2018 14:18:31 +0000 (14:18 +0000)]
[TTI] Reduction costs only need to include a single extract element cost (REAPPLIED)
We were adding the entire scalarization extraction cost for reductions, which returns the total cost of extracting every element of a vector type.
For reductions we don't need to do this - we just need to extract the 0'th element after the reduction pattern has completed.
Fixes PR37731
Rebased and reapplied after being reverted in rL347541 due to PR39774 - which was fixed by D54955/rL347759 and D55017/rL347997
Differential Revision: https://reviews.llvm.org/D54585
llvm-svn: 348076
Graham Sellers [Sat, 1 Dec 2018 12:27:53 +0000 (12:27 +0000)]
[AMDGPU] Split 64-Bit XNOR to 64-Bit NOT/XOR
The identity ~(x ^ y) == (~x ^ y) == (x ^ ~y) allows XNOR (XOR/NOT) to turn into NOT/XOR. Handling this case with its own split means we can make the NOT remain in the scalar unit. Previously, we split 64-bit XNOR into two 32-bit XNOR, then lowered. Now, we get three instructions (s_not, v_xor, v_xor) rather than four in the case where either of the sources is a scalar 64-bit.
Add test cases to xnor.ll to attempt XNOR Vx, Sy and XNOR Sx, Vy. Also adding test that uses the opposite identity such that (~x ^ y) on the scalar unit (or vector for gfx906) can generate XNOR. This already worked, but I didn't see a test for it.
Differential: https://reviews.llvm.org/D55071
llvm-svn: 348075
Xing GUO [Sat, 1 Dec 2018 12:27:24 +0000 (12:27 +0000)]
[llvm-readobj] Improve dynamic section iteration NFC.
llvm-svn: 348074
Simon Pilgrim [Sat, 1 Dec 2018 12:08:55 +0000 (12:08 +0000)]
[SelectionDAG] Improve SimplifyDemandedBits to SimplifyDemandedVectorElts simplification
D52935 introduced the ability for SimplifyDemandedBits to call SimplifyDemandedVectorElts through BITCASTs if the demanded bit mask entirely covered the sub element.
This patch relaxes this to demanding an element if we need any bit from it.
Differential Revision: https://reviews.llvm.org/D54761
llvm-svn: 348073
Nikita Popov [Sat, 1 Dec 2018 10:58:34 +0000 (10:58 +0000)]
[InstCombine] Support ssub.sat canonicalization for non-splats
Extend ssub.sat(X, C) -> sadd.sat(X, -C) canonicalization to also
support non-splat vector constants. This is done by generalizing
the implementation of the isNotMinSignedValue() helper to return
true for constants that are non-splat, but don't contain any
signed min elements.
Differential Revision: https://reviews.llvm.org/D55011
llvm-svn: 348072
Bill Wendling [Sat, 1 Dec 2018 09:06:26 +0000 (09:06 +0000)]
Correct indentation.
llvm-svn: 348071
Bill Wendling [Sat, 1 Dec 2018 08:29:36 +0000 (08:29 +0000)]
Specify constant context in constant emitter
The constant emitter may need to evaluate the expression in a constant context.
For exasmple, global initializer lists.
llvm-svn: 348070
Craig Topper [Sat, 1 Dec 2018 07:45:36 +0000 (07:45 +0000)]
[X86] Remove stale FIXME from test case. NFC
This was fixed in r346581. I just forgot to remove it.
llvm-svn: 348069
Teresa Johnson [Sat, 1 Dec 2018 05:11:46 +0000 (05:11 +0000)]
[ThinLTO] Allow importing of functions with var args
Summary:
Follow up to D54270, which allowed importing of var args functions
unless they called va_start. As pointed out in the post-commit comments
on that patch, the inliner can handle functions that call va_start in
certain situations as well. Go ahead and enable importing of all var
args functions. Measurements on a large binary show that this increases
imports and binary size by an insignificant amount.
Reviewers: davidxl
Subscribers: mehdi_amini, inglorion, eraman, steven_wu, dexonsmith, llvm-commits
Differential Revision: https://reviews.llvm.org/D54607
llvm-svn: 348068
Alex Bradbury [Sat, 1 Dec 2018 05:00:00 +0000 (05:00 +0000)]
[RISCV] Remove RV64I SLLW/SRLW/SRAW patterns and add new test cases
As noted by Eli Friedman <https://reviews.llvm.org/D52977?id=168629#1315291>,
the RV64I shift patterns for SLLW/SRLW/SRAW make some incorrect assumptions.
SRAW assumed that (sext_inreg foo, i32) could only be produced when
sign-extended an i32. However, it can be produced by input such as:
define i64 @tricky_ashr(i64 %a, i64 %b) {
%1 = shl i64 %a, 32
%2 = ashr i64 %1, 32
%3 = ashr i64 %2, %b
ret i64 %3
}
It's important not to select sraw in the above case, because sraw only uses
bits lower 5 bits from the shift, while a shift of 32-63 would be valid.
Similarly, the patterns for srlw assumed (and foo, 0xffffffff) would only be
produced when zero-extending a value that was originally i32 in LLVM IR. This
is obviously incorrect.
This patch removes the SLLW/SRLW/SRAW shift patterns for the time being and
adds test cases that would demonstrate a miscompile if the incorrect patterns
were re-added.
llvm-svn: 348067
Fangrui Song [Sat, 1 Dec 2018 01:57:15 +0000 (01:57 +0000)]
[clangd] Recommit the "AnyScope" changes in requests.json by rCTE347753 (reverted by rCTE347792)
This fixes IndexBenchmark tests.
llvm-svn: 348066
Fangrui Song [Sat, 1 Dec 2018 01:43:05 +0000 (01:43 +0000)]
[Basic] Move DiagnosticsEngine::dump from .h to .cpp
The two LLVM_DUMP_METHOD methods have a undefined reference on clang::DiagnosticsEngine::DiagStateMap::dump.
tools/clang/tools/extra/clangd/benchmarks/IndexBenchmark links in
clangDaemon but does not link in clangBasic explicitly, which causes a
linker error "undefined symbol" in !NDEBUG + -DBUILD_SHARED_LIBS=on builds.
Move LLVM_DUMP_METHOD methods to .cpp to fix IndexBenchmark. They should
be unconditionally defined as they are also used by non-dump-method #pragma clang __debug diag_mapping
llvm-svn: 348065
Shoaib Meenai [Sat, 1 Dec 2018 01:41:27 +0000 (01:41 +0000)]
[projects] Use add_llvm_external_project for implicit projects
This allows disabling implicit projects via the LLVM_TOOL_*_BUILD
variables, similar to how implicit tools can be disabled. They'll still
be enabled by default, since add_llvm_external_project defaults the
LLVM_TOOL_*_BUILD variables to ON for in-tree implciit projects.
Differential Revision: https://reviews.llvm.org/D55105
llvm-svn: 348064
Craig Topper [Sat, 1 Dec 2018 01:38:44 +0000 (01:38 +0000)]
[X86][LoopVectorize] Replace -mcpu=skylake-avx512 with -mattr=avx512f in some tests that failed when experimenting with defaulting to -mprefer-vector-width=256 for skylake-avx512.
llvm-svn: 348063
Adrian Prantl [Sat, 1 Dec 2018 01:30:00 +0000 (01:30 +0000)]
Relax test to also work on Windows.
llvm-svn: 348062
Vitaly Buka [Sat, 1 Dec 2018 01:24:29 +0000 (01:24 +0000)]
[compiler-rt] Use "ColumnLimit: 0" instead of "clang-format off" in tests
Reviewers: eugenis, jfb
Subscribers: kubamracek, dberris, llvm-commits
Differential Revision: https://reviews.llvm.org/D55152
llvm-svn: 348061
Adrian Prantl [Sat, 1 Dec 2018 00:24:27 +0000 (00:24 +0000)]
Honor -fdebug-prefix-map when creating function names for the debug info.
This adds a callback to PrintingPolicy to allow CGDebugInfo to remap
file paths according to -fdebug-prefix-map. Otherwise the debug info
(particularly function names for C++ lambdas) may contain paths that
should have been remapped in the debug info.
<rdar://problem/
46128056>
Differential Revision: https://reviews.llvm.org/D55137
llvm-svn: 348060
Zachary Turner [Sat, 1 Dec 2018 00:22:39 +0000 (00:22 +0000)]
Use RequireNullTerminator=false in identify_magic.
identify_magic does not need the file to be null terminated. Passing
true here causes the file reading code to decide not to use mmap in
some rare cases (which happen to be true 100% of the time in PDB files)
which can lead to very large files failing to load. Since it was
probably just an accident that we were passing true here (since it is
the default function parameter), this should be strictly an improvement.
llvm-svn: 348059
Zachary Turner [Sat, 1 Dec 2018 00:22:21 +0000 (00:22 +0000)]
[lit] Add a generic build script with a lit substitution.
This adds a script called build.py as well as a lit substitution
called %build that we can use to invoke it. The idea is that
this allows a lit test to build test inferiors without having
to worry about architecture / platform specific differences,
command line syntax, finding / configurationg a proper toolchain,
and other issues. They can simply write something like:
%build --arch=32 -o %t.exe %p/Inputs/foo.cpp
and it will just work. This paves the way for being able to
run lit tests with multiple configurations, platforms, and
compilers with a single test.
Differential Revision: https://reviews.llvm.org/D54914
llvm-svn: 348058
Artem Belevich [Sat, 1 Dec 2018 00:21:52 +0000 (00:21 +0000)]
[NVPTX] Add lowering of i128 numbers as struct fields
Addition to D34555 - override VTs computation with ComputePTXValueVTs
for struct fields.
Author: Denys Zariaiev<denys.zariaiev@gmail.com>
Differential Revision: https://reviews.llvm.org/D55144
llvm-svn: 348057
Craig Topper [Sat, 1 Dec 2018 00:21:49 +0000 (00:21 +0000)]
[X86] Replace '-mcpu=skx' with -mattr=avx512f or -mattr=avx512bw in interleave/strided load/store cost model tests.
llvm-svn: 348056
Stella Stamenova [Sat, 1 Dec 2018 00:18:19 +0000 (00:18 +0000)]
[windows] Fix two minor bugs on Windows
1. In ProcessWindows if we fail to allocate memory, we need to return LLDB_INVALID_ADDRESS rather than 0 or nullptr as that is the invalid address that LLDB looks for
2. In RegisterContextWindows in ReadAllRegisterValues, always create a new buffer. This is what the other platforms do and data_sp is always null in all tested scenarios on Windows as well
llvm-svn: 348055
Nico Weber [Sat, 1 Dec 2018 00:02:39 +0000 (00:02 +0000)]
[gn build] Add action to generate VCSRevision.h and use it to add llvm/lib/Object/BUILD.gn
Differential Revision: https://reviews.llvm.org/D55090
llvm-svn: 348054
Fangrui Song [Fri, 30 Nov 2018 23:41:18 +0000 (23:41 +0000)]
Revert "Revert r347417 "Re-Reinstate 347294 with a fix for the failures.""
It seems the two failing tests can be simply fixed after r348037
Fix 3 cases in Analysis/builtin-functions.cpp
Delete the bad CodeGen/builtin-constant-p.c for now
llvm-svn: 348053
Reid Kleckner [Fri, 30 Nov 2018 23:32:11 +0000 (23:32 +0000)]
[codeview] Remove dead macros for codeview record serialization, NFC
These weren't needed when we went to the yaml IO style of serialization,
which has "mapOptional".
llvm-svn: 348052
Nicolai Haehnle [Fri, 30 Nov 2018 23:07:49 +0000 (23:07 +0000)]
LegacyDivergenceAnalysis: fix uninitialized value
Change-Id: I014502e431a68f7beddf169f6a3d19dac5dd2c26
llvm-svn: 348051
Nicolai Haehnle [Fri, 30 Nov 2018 22:55:38 +0000 (22:55 +0000)]
AMDGPU: Divergence-driven selection of scalar buffer load intrinsics
Summary:
Moving SMRD to VMEM in SIFixSGPRCopies is rather bad for performance if
the load is really uniform. So select the scalar load intrinsics directly
to either VMEM or SMRD buffer loads based on divergence analysis.
If an offset happens to end up in a VGPR -- either because a floating
point calculation was involved, or due to other remaining deficiencies
in SIFixSGPRCopies -- we use v_readfirstlane.
There is some unrelated churn in tests since we now select MUBUF offsets
in a unified way with non-scalar buffer loads.
Change-Id: I170e6816323beb1348677b358c9d380865cd1a19
Reviewers: arsenm, alex-t, rampitec, tpr
Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D53283
llvm-svn: 348050
Nicolai Haehnle [Fri, 30 Nov 2018 22:55:29 +0000 (22:55 +0000)]
AMDGPU: Fix various issues around the VirtReg2Value mapping
Summary:
The VirtReg2Value mapping is crucial for getting consistently
reliable divergence information into the SelectionDAG. This
patch fixes a bunch of issues that lead to incorrect divergence
info and introduces tight assertions to ensure we don't regress:
1. VirtReg2Value is generated lazily; there were some cases where
a lookup was performed before all relevant virtual registers were
created, leading to an out-of-sync mapping. Those cases were:
- Complex code to lower formal arguments that generated CopyFromReg
nodes from live-in registers (fixed by never querying the mapping
for live-in registers).
- Code that generates CopyToReg for formal arguments that are used
outside the entry basic block (fixed by never querying the
mapping for Register nodes, which don't need the divergence info
anyway).
2. For complex values that are lowered to a sequence of registers,
all registers must be reflected in the VirtReg2Value mapping.
I am not adding any new tests, since I'm not actually aware of any
bugs that these problems are causing with trunk as-is. However,
I recently added a test case (in r346423) which fails when D53283 is
applied without this change. Also, the new assertions should provide
most of the effective test coverage.
There is one test change in sdwa-peephole.ll. The underlying issue
is that since the divergence info is now correct, the DAGISel will
select V_OR_B32 directly instead of S_OR_B32. This leads to an extra
COPY which affects the behavior of MachineLICM in a way that ends up
with the S_MOV_B32 with the constant in a different basic block than
the V_OR_B32, which is presumably what defeats the peephole.
Reviewers: alex-t, arsenm, rampitec
Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D54340
llvm-svn: 348049
Nicolai Haehnle [Fri, 30 Nov 2018 22:55:20 +0000 (22:55 +0000)]
[DA] GPUDivergenceAnalysis for unstructured GPU kernels
Summary:
This is patch #3 of the new DivergenceAnalysis
<https://lists.llvm.org/pipermail/llvm-dev/2018-May/123606.html>
The GPUDivergenceAnalysis is intended to eventually supersede the existing
LegacyDivergenceAnalysis. The existing LegacyDivergenceAnalysis produces
incorrect results on unstructured Control-Flow Graphs:
<https://bugs.llvm.org/show_bug.cgi?id=37185>
This patch adds the option -use-gpu-divergence-analysis to the
LegacyDivergenceAnalysis to turn it into a transparent wrapper for the
GPUDivergenceAnalysis.
Reviewers: nhaehnle
Reviewed By: nhaehnle
Subscribers: jholewinski, jvesely, jfb, llvm-commits, alex-t, sameerds, arsenm, nhaehnle
Differential Revision: https://reviews.llvm.org/D53493
llvm-svn: 348048
Sanjay Patel [Fri, 30 Nov 2018 22:54:33 +0000 (22:54 +0000)]
[x86] add tests for undef + partial undef constant folding; NFC
Keep this file sync'd with the instsimplify version (rL348045).
llvm-svn: 348047
Craig Topper [Fri, 30 Nov 2018 22:53:21 +0000 (22:53 +0000)]
[X86] Split skylake-avx512 run lines in SLP vectorizer tests to cover -mprefer=vector-width=256 and -mprefer-vector-width=512.
This will make these tests immune if we ever change the default behavior of -march=skylake-avx512 to prefer 256 bit vectors.
llvm-svn: 348046
Sanjay Patel [Fri, 30 Nov 2018 22:51:34 +0000 (22:51 +0000)]
[InstSimplify] add tests for undef + partial undef constant folding; NFC
These tests should probably go under a separate test file because they
should fold with just -constprop, but they're similar to the scalar
tests already in here.
llvm-svn: 348045
Kristof Umann [Fri, 30 Nov 2018 22:32:17 +0000 (22:32 +0000)]
[analyzer] Deleting unnecessary test file
That I really should've done in rC348031.
llvm-svn: 348044
Nikita Popov [Fri, 30 Nov 2018 22:22:30 +0000 (22:22 +0000)]
[ValueTracking] Make unit tests easier to write; NFC
Generalize the existing MatchSelectPatternTest class to also work
with other types of tests. This reduces the amount of boilerplate
necessary to write ValueTracking tests in general, and computeKnownBits
tests in particular.
The inherited convention is that the function must be @test and the
tested instruction %A.
Differential Revision: https://reviews.llvm.org/D55141
llvm-svn: 348043
Saleem Abdulrasool [Fri, 30 Nov 2018 22:13:42 +0000 (22:13 +0000)]
Support: use std::is_trivially_copyable on MSVC
MSVC 2015 and newer have std::is_trivially_copyable available for use.
We should prefer that over the std::is_class to get this check be
correct.
llvm-svn: 348042