platform/upstream/llvm.git
3 years ago[AMDGPU] Fix expansion of i16 MULH
Piotr Sobczak [Thu, 22 Oct 2020 14:28:33 +0000 (16:28 +0200)]
[AMDGPU] Fix expansion of i16 MULH

This commit marks i16 MULH as expand in AMDGPU backend,
which is necessary after the refactoring in D80485.

Differential Revision: https://reviews.llvm.org/D89965

3 years ago[AArch64] Add min/max cost-model tests for v2i32.
Florian Hahn [Thu, 22 Oct 2020 15:02:55 +0000 (16:02 +0100)]
[AArch64] Add min/max cost-model tests for v2i32.

3 years ago[ARM][SchedModels] Convert IsLdstsoScaledPred to MCSchedPredicate
Evgeny Leviant [Thu, 22 Oct 2020 15:03:01 +0000 (18:03 +0300)]
[ARM][SchedModels] Convert IsLdstsoScaledPred to MCSchedPredicate

Differential revision: https://reviews.llvm.org/D89939

3 years ago[X86] X86AsmParser - make methods const where possible. NFCI.
Simon Pilgrim [Thu, 22 Oct 2020 14:46:09 +0000 (15:46 +0100)]
[X86] X86AsmParser - make methods const where possible. NFCI.

Reported by cppcheck

3 years ago[X86] Return const& in IntelExprStateMachine::getIdentifierInfo(). NFCI.
Simon Pilgrim [Thu, 22 Oct 2020 13:53:30 +0000 (14:53 +0100)]
[X86] Return const& in IntelExprStateMachine::getIdentifierInfo(). NFCI.

Avoid unnecessary copy in X86AsmParser::ParseIntelOperand

3 years ago[DebugInstrRef] Pass DBG_INSTR_REFs through register allocation
Jeremy Morse [Thu, 22 Oct 2020 14:47:09 +0000 (15:47 +0100)]
[DebugInstrRef] Pass DBG_INSTR_REFs through register allocation

Both FastRegAlloc and LiveDebugVariables/greedy need to cope with
DBG_INSTR_REFs. None of them actually need to take any action, other than
passing DBG_INSTR_REFs through: variable location information doesn't refer
to any registers at this stage.

LiveDebugVariables stashes the instruction information in a tuple, then
re-creates it later. This is only necessary as the register allocator
doesn't expect to see any debug instructions while it's working. No
equivalence classes or interval splitting is required at all!

No changes are needed for the fast register allocator, as it just ignores
debug instructions. The test added checks that both of them preserve
DBG_INSTR_REFs.

This also expands ScheduleDAGInstrs.cpp to treat DBG_INSTR_REFs the same as
DBG_VALUEs when rescheduling instructions around. The current movement of
DBG_VALUEs around is less than ideal, but it's not a regression to make
DBG_INSTR_REFs subject to the same movement.

Differential Revision: https://reviews.llvm.org/D85757

3 years ago[AArch64] Add min/max cost-model tests for v4i16.
Florian Hahn [Thu, 22 Oct 2020 14:47:38 +0000 (15:47 +0100)]
[AArch64] Add min/max cost-model tests for v4i16.

3 years ago[lldb] Fix TestTargetAPI.py on Apple simulators
Raphael Isemann [Thu, 22 Oct 2020 13:31:34 +0000 (15:31 +0200)]
[lldb] Fix TestTargetAPI.py on Apple simulators

This test checks that the output of `SBTarget.GetDescription()` contains the
substrings `'a.out', 'Target', 'Module', 'Breakpoint'` in that order. This test
is currently failing on Apple simulators as apparently 'Module' can't be found
in the output after 'Target".

The reason for that is that the actual output of `SBTarget.GetDescription()` looks like this:
```
Target
  Module /build/path/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_description_dwarf/a.out
0x7ff2b6d3f990:     ObjectFileMachO64, file = /build/path/lldb-test-build.noindex/python_api/target/TestTargetAPI.test_get_description
[...]
0x7ff307150000:   BreakpointList with 0 Breakpoints:
<LLDB module output repeats for each loaded module>
```

Clearly the string order should be `'Target', 'Module', 'a.out', 'Breakpoint'`.
However, LLDB is also a bunch of system shared libraries (libxpc.dylib,
libobjc.A.dylib, etc.) when *not* running against a simulator, we end up
unintentionally finding the `'Target', 'Module', 'Breakpoint'` substrings in the
trailing descriptions of the system modules. When running against a simulator we
however don't load shared system libraries.

This patch just moves the substrings in the correct order to make this test pass
without having any shared library modules in the description output.

Reviewed By: JDevlieghere

Differential Revision: https://reviews.llvm.org/D89698

3 years agoAMDGPU: Fix not always reserving VGPRs used for SGPR spilling
Matt Arsenault [Thu, 15 Oct 2020 22:53:56 +0000 (18:53 -0400)]
AMDGPU: Fix not always reserving VGPRs used for SGPR spilling

The VGPRs used for SGPR spills need to be reserved, even if we aren't
speculatively reserving one.

This was broken by 117e5609e98b43f925c678b72f816ad3a1c3eee7.

3 years agoAMDGPU: Implement getNoPreservedMask
Matt Arsenault [Thu, 15 Oct 2020 13:56:11 +0000 (09:56 -0400)]
AMDGPU: Implement getNoPreservedMask

We don't support funclets for exception handling and I hit this when
manually reducing MIR.

3 years agoScheduleDAGInstrs: Skip debug instructions at end of scheduling region
Matt Arsenault [Thu, 15 Oct 2020 14:44:50 +0000 (10:44 -0400)]
ScheduleDAGInstrs: Skip debug instructions at end of scheduling region

If the end instruction of the scheduling region was a DBG_VALUE, the
uses of the debug instruction were tracked as if they were real
uses. This would then hit the deadDefHasNoUse assertion in
addVRegDefDeps if the only use was the debug instruction.

3 years agoLimit debug instr-referencing tests to X86
Jeremy Morse [Thu, 22 Oct 2020 13:50:45 +0000 (14:50 +0100)]
Limit debug instr-referencing tests to X86

The instruction referencing work currently only works on X86, and all the
tests for it will be X86 based for the time being. Configure the whole
directory to be X86-only, seeing how I keep on landing tests that don't
have the correct REQUIRES lines.

3 years ago[OpenMP] Emit calls to int64_t functions for amdgcn
Jon Chesterfield [Thu, 22 Oct 2020 14:02:44 +0000 (15:02 +0100)]
[OpenMP] Emit calls to int64_t functions for amdgcn

[OpenMP] Emit calls to int64_t functions for amdgcn

Two functions, syncwarp and active_thread_mask, return lanemask_t. Currently
this is assumed to be int32, which is true for nvptx. Patch makes the type
target architecture dependent.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D89746

3 years ago[TableGen] Continue improving the comments for the data structures.
Paul C. Anagnostopoulos [Mon, 19 Oct 2020 13:20:54 +0000 (09:20 -0400)]
[TableGen] Continue improving the comments for the data structures.

Differential Revision: https://reviews.llvm.org/D89901

3 years ago[mlir] Convert from Async dialect to LLVM coroutines
Eugene Zhulenev [Thu, 22 Oct 2020 12:59:05 +0000 (05:59 -0700)]
[mlir] Convert from Async dialect to LLVM coroutines

Lower from Async dialect to LLVM by converting async regions attached to `async.execute` operations into LLVM coroutines (https://llvm.org/docs/Coroutines.html):
1. Outline all async regions to functions
2. Add LLVM coro intrinsics to mark coroutine begin/end
3. Use MLIR conversion framework to convert all remaining async types and ops to LLVM + Async runtime function calls

All `async.await` operations inside async regions converted to coroutine suspension points. Await operation outside of a coroutine converted to the blocking wait operations.

Implement simple runtime to support concurrent execution of coroutines.

Reviewed By: herhut

Differential Revision: https://reviews.llvm.org/D89292

3 years ago[lldb] Explicitly use the configuration architecture when building test executables
Raphael Isemann [Thu, 22 Oct 2020 13:10:22 +0000 (15:10 +0200)]
[lldb] Explicitly use the configuration architecture when building test executables

The Darwin builder currently assumes in `getArchCFlags` that the passed `arch`
value is an actual string it can string.join with vendor/os/version/env strings:

```
   triple = '-'.join([arch, vendor, os, version, env])
```

However this is not true for most tests as we just pass down the `arch=None`
default value from `TestBase.build`. This causes that if we actually end up in
this function we just error out when concatenating `None` with the other actual
strings of vendor/os/version/env. What we should do instead is check that if
there is no test-specific architecture that we fall back to the configuration's
architecture value.

It seems we already worked around this in `builder.getArchSpec` by explicitly
falling back to the architecture specified in the configuration.

This patch just moves this fallback logic to the top `build` function so that it
affects all functions called from `TestBase.build`.

Reviewed By: JDevlieghere

Differential Revision: https://reviews.llvm.org/D89056

3 years ago[Clang] [TableGen] Clean up !if(!eq(bool, 1) and related booleans
Paul C. Anagnostopoulos [Wed, 21 Oct 2020 15:58:06 +0000 (11:58 -0400)]
[Clang] [TableGen] Clean up !if(!eq(bool, 1) and related booleans

Differential Revision: https://reviews.llvm.org/D89893

3 years ago[CodeGen] Split MVT::changeTypeToInteger() functionality from EVT::changeTypeToInteger().
Simon Pilgrim [Thu, 22 Oct 2020 13:27:19 +0000 (14:27 +0100)]
[CodeGen] Split MVT::changeTypeToInteger() functionality from EVT::changeTypeToInteger().

Add the MVT equivalent handling for EVT changeTypeToInteger/changeVectorElementType/changeVectorElementTypeToInteger.

All the SimpleVT code already exists inside the EVT equivalents, but by splitting this out we can use these directly inside MVT types without converting to/from EVT.

3 years ago[llvm-mca] Add few ldm* instructions to cortex-a57 test case
Evgeny Leviant [Thu, 22 Oct 2020 13:21:40 +0000 (16:21 +0300)]
[llvm-mca] Add few ldm* instructions to cortex-a57 test case

3 years ago[mlir] Add MemRefReinterpretCastOp definition to Standard.
Alexander Belyaev [Thu, 22 Oct 2020 12:48:52 +0000 (14:48 +0200)]
[mlir] Add MemRefReinterpretCastOp definition to Standard.

Reuse most code for printing/parsing/verification from SubViewOp.

https://llvm.discourse.group/t/rfc-standard-memref-cast-ops/1454/15

Differential Revision: https://https://reviews.llvm.org/D89720

3 years ago[lldb][NFC] Make GetShellSafeArgument return std::string and unittest it.
Raphael Isemann [Thu, 22 Oct 2020 11:50:22 +0000 (13:50 +0200)]
[lldb][NFC] Make GetShellSafeArgument return std::string and unittest it.

3 years ago[AArch64] Add cost model tests for min/max intrinsics.
Florian Hahn [Thu, 22 Oct 2020 10:47:43 +0000 (11:47 +0100)]
[AArch64] Add cost model tests for min/max intrinsics.

3 years agoTest I added requires X86 to be built.
Jeremy Morse [Thu, 22 Oct 2020 12:18:55 +0000 (13:18 +0100)]
Test I added requires X86 to be built.

This the second time I've stepped on this landmine, I'll look at setting
a lit local config. All the tests in this dir are going to be X86 for now.

3 years ago[DebugInstrRef] Substitute debug value numbers to handle optimizations
Jeremy Morse [Thu, 22 Oct 2020 11:48:57 +0000 (12:48 +0100)]
[DebugInstrRef] Substitute debug value numbers to handle optimizations

This patch touches two optimizations, TwoAddressInstruction and X86's
FixupLEAs pass, both of which optimize by re-creating instructions. For
LEAs, various bits of arithmetic are better represented as LEAs on X86,
while TwoAddressInstruction sometimes converts instrs into three address
instructions if it's profitable.

For debug instruction referencing, both of these require substitutions to
be created -- the old instruction number must be pointed to the new
instruction number, as illustrated in the added test. If this isn't done,
any variable locations based on the optimized instruction are
conservatively dropped.

Differential Revision: https://reviews.llvm.org/D85756

3 years ago[x86 testing] NFC: Create exhaustive vector popcnt ULT/UGT tests
David Zarzycki [Thu, 22 Oct 2020 11:50:00 +0000 (07:50 -0400)]
[x86 testing] NFC: Create exhaustive vector popcnt ULT/UGT tests

There are bunch of optimization opportunities right now in the vector
popcnt code gen when doing simple less-than/greater-than comparisons, so
let's examine them all to ensure that things don't regress as different
scenarios are fixed. We can always delete some later once some fixes are
made.

Please note: the new files were auto-generated. If people want, I can
commit the short C code that printed out the various combinations.

3 years ago[clang-tidy] Add links to check docs in comments
Alexander Kornienko [Thu, 22 Oct 2020 11:30:30 +0000 (13:30 +0200)]
[clang-tidy] Add links to check docs in comments

3 years ago[mlir] Add MemRefReshapeOp definition to Standard.
Alexander Belyaev [Wed, 21 Oct 2020 19:05:06 +0000 (21:05 +0200)]
[mlir] Add MemRefReshapeOp definition to Standard.

https://llvm.discourse.group/t/rfc-standard-memref-cast-ops/1454/15

Differential Revision: https://reviews.llvm.org/D89784

3 years ago[SCEV][NFC] Simplify internals of BackedgeTakenInfo
Max Kazantsev [Thu, 22 Oct 2020 10:29:15 +0000 (17:29 +0700)]
[SCEV][NFC] Simplify internals of BackedgeTakenInfo

3 years ago[RISCV][NFC] Add more tests for 32-bit constant materialization
Luís Marques [Thu, 22 Oct 2020 10:34:03 +0000 (11:34 +0100)]
[RISCV][NFC] Add more tests for 32-bit constant materialization

The existing tests were mostly for 64-bit constants.

Differential Revision: https://reviews.llvm.org/D83210

3 years ago[gn build] Port be39a6fe6fc
LLVM GN Syncbot [Thu, 22 Oct 2020 09:39:53 +0000 (09:39 +0000)]
[gn build] Port be39a6fe6fc

3 years ago[SCEV][NFC] Rename MaxAndComplete -> ConstantMaxAndComplete
Max Kazantsev [Thu, 22 Oct 2020 09:25:16 +0000 (16:25 +0700)]
[SCEV][NFC] Rename MaxAndComplete -> ConstantMaxAndComplete

This better reflects what this variable is about.

3 years ago[X86] Add User Interrupts(UINTR) instructions
Tianqing Wang [Thu, 22 Oct 2020 08:46:07 +0000 (16:46 +0800)]
[X86] Add User Interrupts(UINTR) instructions

For more details about these instructions, please refer to the latest
ISE document:
https://software.intel.com/en-us/download/intel-architecture-instruction-set-extensions-programming-reference.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D89301

3 years ago[llvm-mca] Improve test case
Evgeny Leviant [Thu, 22 Oct 2020 09:08:08 +0000 (12:08 +0300)]
[llvm-mca] Improve test case

3 years ago[libc++] Update continous integration scripts
Mikhail Goncharov [Fri, 9 Oct 2020 10:23:48 +0000 (12:23 +0200)]
[libc++] Update continous integration scripts

Now libc++ pipeline will be triggered from the "premerge-checks" and the
combined result are going to be returned to Harbormaster.

Reviewed-by: ldionne
Differential Revision: https://reviews.llvm.org/D89113

3 years ago[SCEV][NFC] Rename getMax -> getConstantMax
Max Kazantsev [Thu, 22 Oct 2020 08:12:54 +0000 (15:12 +0700)]
[SCEV][NFC] Rename getMax -> getConstantMax

This better reflects what this logic actually does.

3 years agoRevert "[DWARFLinker] Capitalize type names (NFC)"
Max Kazantsev [Thu, 22 Oct 2020 07:57:36 +0000 (14:57 +0700)]
Revert "[DWARFLinker] Capitalize type names (NFC)"

This reverts commit 3fce5ea7ce663410d3fb533528158bdab3a3604e.

`make check` broken.

3 years ago[InstructionSimplify] icmp (X+Y), (X+Z) simplification
Sjoerd Meijer [Wed, 21 Oct 2020 10:06:10 +0000 (11:06 +0100)]
[InstructionSimplify] icmp (X+Y), (X+Z) simplification

This improves simplifications for pattern `icmp (X+Y), (X+Z)` -> `icmp Y,Z`
if only one of the operands has NSW set, e.g.:

    icmp slt (x + 0), (x +nsw 1)

We can still safely rewrite this to:

    icmp slt 0, 1

because we know that the LHS can't overflow if the RHS has NSW set and
C1 < C2 && C1 >= 0, or C2 < C1 && C1 <= 0

This simplification is useful because ScalarEvolutionExpander which is used to
generate code for SCEVs in different loop optimisers is not always able to put
back NSW flags across control-flow, thus inhibiting CFG simplifications.

Differential Revision: https://reviews.llvm.org/D89317

3 years ago[ShrinkWrap] Delete unneeded nullptr checks for the save point. NFC
Fangrui Song [Thu, 22 Oct 2020 06:44:45 +0000 (23:44 -0700)]
[ShrinkWrap] Delete unneeded nullptr checks for the save point. NFC

findNearestCommonDominator never returns nullptr.

3 years ago[DWARFLinker] Capitalize type names (NFC)
Jonas Devlieghere [Thu, 22 Oct 2020 07:13:53 +0000 (00:13 -0700)]
[DWARFLinker] Capitalize type names (NFC)

Make these types conform to the LLVM Coding Standards:

> Type names (including classes, structs, enums, typedefs, etc) should
> be nouns and start with an upper-case letter.

3 years ago[driver][arm64] Set target CPU to A12 for compiler invocations that
Alex Lorenz [Thu, 22 Oct 2020 05:43:10 +0000 (22:43 -0700)]
[driver][arm64] Set target CPU to A12 for compiler invocations that
target Apple Silicon macOS machines

Differential Revision: https://reviews.llvm.org/D82699

3 years ago[libcxx] [test] Move use of statvfs to helper header
Martin Storsjö [Wed, 21 Oct 2020 10:42:48 +0000 (13:42 +0300)]
[libcxx] [test] Move use of statvfs to helper header

Implement the corresponding thing using windows functions as well.

Differential Revision: https://reviews.llvm.org/D89864

3 years ago[libcxx] [test] Mark bits of fs.enum tests as libcpp specific
Martin Storsjö [Wed, 21 Oct 2020 07:37:59 +0000 (10:37 +0300)]
[libcxx] [test] Mark bits of fs.enum tests as libcpp specific

The individual enum values in copy_options and file_type aren't
specified in the standard.

The standard doesn't require fs::path::format to be a scoped enum.

Differential Revision: https://reviews.llvm.org/D89866

3 years ago[libcxx] [test] Add another (void) cast for a function marked nodiscard in MS STL
Martin Storsjö [Wed, 21 Oct 2020 08:44:51 +0000 (11:44 +0300)]
[libcxx] [test] Add another (void) cast for a function marked nodiscard in MS STL

Differential Revision: https://reviews.llvm.org/D89867

3 years ago[libcxxabi] Define _LIBCXXABI_WEAK properly for mingw compilers
Martin Storsjö [Wed, 21 Oct 2020 06:11:31 +0000 (09:11 +0300)]
[libcxxabi] Define _LIBCXXABI_WEAK properly for mingw compilers

Copy over the compiler detection structure from libcxx, and set
_LIBCXXABI_WEAK like _LIBCPP_WEAK is set in libcxx.

This allows users to override operator new/delete, if using those
operators from libcxxabi instead of from libcxx.

Differential Revision: https://reviews.llvm.org/D89863

3 years ago[NFC][AMDGPU] Reorder SIMemoryLegalizer functions to be consistent
Tony [Wed, 21 Oct 2020 13:30:02 +0000 (13:30 +0000)]
[NFC][AMDGPU] Reorder SIMemoryLegalizer functions to be consistent

- Make the SIMemoryLegalizer insertAcquire function be in the same
  order for each target to be consistent.

Differential Revision: https://reviews.llvm.org/D89880

3 years agoRevert "Add "not" to an llvm-symbolizer test that expects to fail"
Douglas Yung [Thu, 22 Oct 2020 04:57:59 +0000 (21:57 -0700)]
Revert "Add "not" to an llvm-symbolizer test that expects to fail"

A recent commit to revert llvm-symbolizer changes forgot to revert this test fix.

This reverts commit 5e656ee48bccc73f1328db1770770acaec90a7c9.

3 years ago[test] Fix tests using -analyze that fail under NPM
Arthur Eubanks [Thu, 22 Oct 2020 04:52:27 +0000 (21:52 -0700)]
[test] Fix tests using -analyze that fail under NPM

Many of these tests don't use the output of -analyze.

3 years ago[IRCE] consolidate profitability check
Serguei Katkov [Tue, 20 Oct 2020 06:28:20 +0000 (13:28 +0700)]
[IRCE] consolidate profitability check

Use BFI if it is available and BPI otherwise.
This is a promised follow-up after D89541.

Reviewers: ebrevnov, mkazantsev
Reviewed By: ebrevnov
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D89773

3 years ago[test] Fix shrunk-constant.ll under NPM
Arthur Eubanks [Thu, 22 Oct 2020 04:19:02 +0000 (21:19 -0700)]
[test] Fix shrunk-constant.ll under NPM

3 years agoDo not intercept __libc_memalign and cfree on Android because neither of these exists...
Vy Nguyen [Sat, 17 Oct 2020 06:24:10 +0000 (02:24 -0400)]
Do not intercept __libc_memalign and cfree on Android because neither of these exists in Bionic.

Differential Revision: https://reviews.llvm.org/D89616

3 years ago[NPM][opt] Disallow -analyze under NPM
Arthur Eubanks [Thu, 22 Oct 2020 03:17:12 +0000 (20:17 -0700)]
[NPM][opt] Disallow -analyze under NPM

-analyze does not work with the NPM.
'print<foo>' passes should be used instead.

3 years agoFix test failure on Windows.
Richard Smith [Thu, 22 Oct 2020 03:02:07 +0000 (20:02 -0700)]
Fix test failure on Windows.

3 years ago[sanitizer] Allow log_path to distinguish default from explicit stderr
Teresa Johnson [Sat, 17 Oct 2020 17:40:03 +0000 (10:40 -0700)]
[sanitizer] Allow log_path to distinguish default from explicit stderr

Split out of D89086 as suggested.

Change the default of the log_path flag to nullptr, and the code
consuming that flag (ReportFile::SetReportPath), to treat nullptr as
stderr (so no change to the behavior of existing users). This allows
code to distinguish between the log_path being specified explicitly as
stderr vs the default.

This is so the flag can be used to override the new report path variable
that will be encoded in the binary for memprof for runtime testing.

Differential Revision: https://reviews.llvm.org/D89629

3 years ago[X86] Support customizing stack protector guard
Xiang1 Zhang [Thu, 22 Oct 2020 01:46:42 +0000 (09:46 +0800)]
[X86] Support customizing stack protector guard

Reviewed By: nickdesaulniers, MaskRay

Differential Revision: https://reviews.llvm.org/D88631

3 years ago[test] Fix LoopDistribute tests under NPM
Arthur Eubanks [Thu, 22 Oct 2020 02:05:01 +0000 (19:05 -0700)]
[test] Fix LoopDistribute tests under NPM

3 years ago[LSR] add testcase for LSR profitable chain change, nfc
Chen Zheng [Thu, 22 Oct 2020 01:53:55 +0000 (21:53 -0400)]
[LSR] add testcase for LSR profitable chain change, nfc

3 years agoEnsure that the "value" of an unnamed bit-field isn't taken into
Richard Smith [Thu, 22 Oct 2020 01:50:43 +0000 (18:50 -0700)]
Ensure that the "value" of an unnamed bit-field isn't taken into
account when determining the identity of a class NTTP.

3 years ago[test] Fix LoopDeletion tests under NPM
Arthur Eubanks [Thu, 22 Oct 2020 01:31:06 +0000 (18:31 -0700)]
[test] Fix LoopDeletion tests under NPM

3 years ago[FPEnv][X86][SystemZ] Use different algorithms for i64->double uint_to_fp under stric...
Craig Topper [Wed, 21 Oct 2020 23:45:23 +0000 (16:45 -0700)]
[FPEnv][X86][SystemZ] Use different algorithms for i64->double uint_to_fp under strictfp to avoid producing -0.0 when rounding toward negative infinity

Some of our conversion algorithms produce -0.0 when converting unsigned i64 to double when the rounding mode is round toward negative. This switches them to other algorithms that don't have this problem. Since it is undefined behavior to change rounding mode with the non-strict nodes, this patch only changes the behavior for strict nodes.

There are still problems with unsigned i32 conversions too which I'll try to fix in another patch.

Fixes part of PR47393

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D87115

3 years agoMake APValue profiling a little more compact.
Richard Smith [Thu, 22 Oct 2020 01:04:04 +0000 (18:04 -0700)]
Make APValue profiling a little more compact.

3 years ago[sanitizer]Update tests to be compatible with Android.
Vy Nguyen [Wed, 21 Oct 2020 19:07:52 +0000 (12:07 -0700)]
[sanitizer]Update tests to be compatible with Android.

Split off from D89251

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D89884

3 years agoRevert "Revert "SimplifyCFG: Clean up optforfuzzing implementation""
Zequan Wu [Thu, 22 Oct 2020 00:08:56 +0000 (17:08 -0700)]
Revert "Revert "SimplifyCFG: Clean up optforfuzzing implementation""

This reverts commit 716f7636e1ec7880a6d2f2205f54f65191cf8f9a.

3 years agoRevert "SimplifyCFG: Clean up optforfuzzing implementation"
Zequan Wu [Wed, 21 Oct 2020 23:56:32 +0000 (16:56 -0700)]
Revert "SimplifyCFG: Clean up optforfuzzing implementation"

See discussion: https://reviews.llvm.org/D89590
This reverts commit cdd006eec9409923f9a56b9026ce2cb72e7b71dc.

3 years ago[NFC] Set return type of getStackPointerRegisterToSaveRestore to Register
Gaurav Jain [Wed, 21 Oct 2020 08:15:13 +0000 (01:15 -0700)]
[NFC] Set return type of getStackPointerRegisterToSaveRestore to Register

Differential Revision: https://reviews.llvm.org/D89858

3 years agoRevert several changes related to llvm-symbolizer exiting non-zero on failure.
David Blaikie [Wed, 21 Oct 2020 22:16:14 +0000 (15:16 -0700)]
Revert several changes related to llvm-symbolizer exiting non-zero on failure.

Seems users have enough different uses of the symbolizer where they
might have unknown binaries and offsets such that "best effort" behavior
is all that's expected of llvm-symbolizer - so even erroring on unknown
executables and out of bounds offsets might not be suitable.

This reverts commit 1de0199748ef2a20cd146c100ea1b8e6726c4767.
This reverts commit a7b209a6d40d77b43a38664b1fe64513587f24c6.
This reverts commit 338dd138ea4a70b52ab48e0c8aa38ec152b3569a.

3 years ago[ValueTracking] Interpret GEPs as a series of adds multiplied by the related scaling...
Quentin Colombet [Tue, 20 Oct 2020 21:43:25 +0000 (14:43 -0700)]
[ValueTracking] Interpret GEPs as a series of adds multiplied by the related scaling factor

Prior to this patch, computeKnownBits would only try to deduce trailing zeros
bits for getelementptrs. This patch adds the logic to treat geps as a series
of add * scaling factor.

Thanks to this patch, using a gep or performing an address computation
directly "by hand" (ptrtoint followed by adds and mul followed by inttoptr)
offers the same computeKnownBits information.

Previously, the "by hand" approach would have given more information.

This is related to https://llvm.org/PR47241.

Differential Revision: https://reviews.llvm.org/D86364

3 years ago[c++20] For P0732R2: permit class template argument deduction for non-type template...
Richard Smith [Mon, 14 Sep 2020 03:15:46 +0000 (20:15 -0700)]
[c++20] For P0732R2: permit class template argument deduction for non-type template parameters.

3 years ago[libc++] Fix the benchmarks build
Louis Dionne [Wed, 21 Oct 2020 21:55:35 +0000 (17:55 -0400)]
[libc++] Fix the benchmarks build

3 years ago[libc++][ci] Also install the library in the CI scripts
Louis Dionne [Wed, 21 Oct 2020 17:57:05 +0000 (13:57 -0400)]
[libc++][ci] Also install the library in the CI scripts

It's good to run the installation step to make sure it works properly,
as build system changes can break that.

3 years ago[mlir] Simplify DDR matching patterns with equal operands for operators where it...
rdzhabarov [Tue, 20 Oct 2020 04:51:41 +0000 (04:51 +0000)]
[mlir] Simplify DDR matching patterns with equal operands for operators where it's applicable. Added documentation.

This https://reviews.llvm.org/D89254 diff introduced implicit matching between same name operands.

Differential Revision: https://reviews.llvm.org/D89598

3 years agoAlways allow std::function to be copied.
Felix Berger [Tue, 13 Oct 2020 17:32:53 +0000 (13:32 -0400)]
Always allow std::function to be copied.

Since its call operator is const but can modify the state of its underlying
functor we cannot tell whether the copy is necessary or not.

This avoids false positives.

Reviewed-by: aaron.ballman, gribozavr2
Differential Revision: https://reviews.llvm.org/D89332

3 years ago[c++20] For P0732R2: Give class NTTPs the proper type when examined with 'decltype'.
Richard Smith [Mon, 14 Sep 2020 02:38:32 +0000 (19:38 -0700)]
[c++20] For P0732R2: Give class NTTPs the proper type when examined with 'decltype'.

This requires that we track enough information to determine the original
type of the parameter in a substituted non-type template parameter, to
distinguish the reference-to-class case from the class case.

3 years ago[OpenMP] Fixing OpenMP/driver.c failing on 32-bit hosts
Joseph Huber [Wed, 21 Oct 2020 13:55:21 +0000 (09:55 -0400)]
[OpenMP] Fixing OpenMP/driver.c failing on 32-bit hosts

The changes made in D88594 caused the test OpenMP/driver.c to fail on a 32-bit host becuase it was offloading to a 64-bit architecture by default. The offloading test was moved to a new file and a feature was added to the lit config to check for a 64-bit host.

Reviewed By: daltenty

Differential Revision: https://reviews.llvm.org/D89904

3 years ago[libc++] Fix compiler-rt build by copying libc++ headers to <build>/include
Louis Dionne [Wed, 21 Oct 2020 20:52:21 +0000 (16:52 -0400)]
[libc++] Fix compiler-rt build by copying libc++ headers to <build>/include

This commit should really be named "Workaround external projects depending
on libc++ build system implementation details". It seems that the compiler-rt
build (and perhaps other projects) is relying on the fact that we copy libc++
and libc++abi headers to `<build-root>/include/c++/v1`. This was changed
by 5d796645, which moved the headers to `<build-root>/projects/libcxx/include/c++/v1`
and broke the compiler-rt build.

I'm committing this workaround to fix the compiler-rt build, but we should
remove reliance on implementation details like that. The correct way to
setup the compiler-rt build would be to "link" against the `cxx-headers`
target in CMake, or to run `install-cxx-headers` using an appropriate
installation prefix, and then manually add a `-I` path to that location.

3 years ago[spirv] Fix legalize standard to spir-v for transfer ops
Thomas Raoux [Wed, 21 Oct 2020 20:42:29 +0000 (13:42 -0700)]
[spirv] Fix legalize standard to spir-v for transfer ops

Forward missing attributes when creating the new transfer op otherwise the
builder would use default values.

Differential Revision: https://reviews.llvm.org/D89907

3 years agoSimple fix to basic-block-sections to replace emit-obj with emit-llvm
Sriraman Tallam [Wed, 21 Oct 2020 20:38:55 +0000 (13:38 -0700)]
Simple fix to basic-block-sections to replace emit-obj with emit-llvm

emit-obj is unnecessary here and further wasn't redirected to /dev/null.

3 years ago[test] Fix quadradic-exit-value.ll under NPM
Arthur Eubanks [Wed, 21 Oct 2020 20:33:01 +0000 (13:33 -0700)]
[test] Fix quadradic-exit-value.ll under NPM

3 years ago[test] Fix alloca-offset-lifetime.ll under NPM
Arthur Eubanks [Wed, 21 Oct 2020 20:30:45 +0000 (13:30 -0700)]
[test] Fix alloca-offset-lifetime.ll under NPM

3 years ago[mlir] Add missing dependency for MLIRSCFTransforms
Lei Zhang [Wed, 21 Oct 2020 20:22:41 +0000 (16:22 -0400)]
[mlir] Add missing dependency for MLIRSCFTransforms

MLIRTransforms is needed to provide BufferizeTypeConverter
definitions.

3 years agoAdd more test coverage for APValue serialization / deserialization and
Richard Smith [Wed, 21 Oct 2020 19:59:08 +0000 (12:59 -0700)]
Add more test coverage for APValue serialization / deserialization and
fix a few exposed bugs.

3 years ago[c++20] For P0732R2 / P1907R1: Basic frontend support for class types as
Richard Smith [Mon, 21 Sep 2020 06:16:08 +0000 (23:16 -0700)]
[c++20] For P0732R2 / P1907R1: Basic frontend support for class types as
non-type template parameters.

Create a unique TemplateParamObjectDecl instance for each such value,
representing the globally unique template parameter object to which the
template parameter refers.

No IR generation support yet; that will follow in a separate patch.

3 years ago[test] Fix no-wrap-symbolic-becount.ll under NPM
Arthur Eubanks [Wed, 21 Oct 2020 20:14:44 +0000 (13:14 -0700)]
[test] Fix no-wrap-symbolic-becount.ll under NPM

3 years ago[libcxxabi] Stub out 'sleep' call when _LIBCXXABI_HAS_NO_THREADS is defined.
Hafiz Abid Qadeer [Wed, 21 Oct 2020 19:56:24 +0000 (20:56 +0100)]
[libcxxabi] Stub out 'sleep' call when _LIBCXXABI_HAS_NO_THREADS is defined.

While running this test on a bare metal target, I got an error as 'sleep' was not available on that system. As 'sleep' call is not doing anything useful for cases when _LIBCXXABI_HAS_NO_THREADS is defined. This patch puts it under this check.

Reviewed By: ldionne

Differential Revision: https://reviews.llvm.org/D89871

3 years ago[BlockExtract][NewPM] Port -extract-blocks to NPM
Arthur Eubanks [Wed, 7 Oct 2020 22:15:09 +0000 (15:15 -0700)]
[BlockExtract][NewPM] Port -extract-blocks to NPM

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D89015

3 years ago[sanitizer] Convert PrintModuleMap to DumpProcessMap
Teresa Johnson [Sat, 17 Oct 2020 17:46:19 +0000 (10:46 -0700)]
[sanitizer] Convert PrintModuleMap to DumpProcessMap

As discussed in the review for D87120 (specifically at
https://reviews.llvm.org/D87120#inline-831939), clean up PrintModuleMap
and DumpProcessMap usage differences. The former is only implemented for
Mac OSX, whereas the latter is implemented for all OSes. The former is
called by asan and tsan, and the latter by hwasan and now memprof, under
the same option. Simply rename the PrintModuleMap implementation for Mac
to DumpProcessMap, remove other empty PrintModuleMap implementations,
and convert asan/tsan to new name. The existing posix DumpProcessMap is
disabled for SANITIZER_MAC.

Differential Revision: https://reviews.llvm.org/D89630

3 years ago[LowerMatrixIntrinsics][NewPM] Fix PreservedAnalyses result
Arthur Eubanks [Sat, 10 Oct 2020 00:58:27 +0000 (17:58 -0700)]
[LowerMatrixIntrinsics][NewPM] Fix PreservedAnalyses result

PreservedCFGCheckerInstrumentation was saying that LowerMatrixIntrinsics
didn't properly preserve CFG even though it claimed to. The legacy pass
says it doesn't. Match the legacy pass's preserved analyses.

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D89175

3 years ago[RS4GC] NFC. Preparatory refactoring to make GC parseable memcpy
Artur Pilipenko [Fri, 2 Oct 2020 03:01:39 +0000 (20:01 -0700)]
[RS4GC] NFC. Preparatory refactoring to make GC parseable memcpy

For GC parseable element atomic memcpy/memmove we'll need to
shuffle statepoint arguments. Make it possible by storing the
arguments as Value *, not Use *.

3 years ago[NFC] Fixes Doxygen copy-paste error.
Mark de Wever [Wed, 21 Oct 2020 19:19:04 +0000 (21:19 +0200)]
[NFC] Fixes Doxygen copy-paste error.

3 years ago[mlir][CAPI][Python] Plumb OpPrintingFlags to C and Python APIs.
Stella Laurenzo [Wed, 21 Oct 2020 06:20:04 +0000 (23:20 -0700)]
[mlir][CAPI][Python] Plumb OpPrintingFlags to C and Python APIs.

* Adds a new MlirOpPrintingFlags type and supporting accessors.
* Adds a new mlirOperationPrintWithFlags function.
* Adds a full featured python Operation.print method with all options and the ability to print directly to files/stdout in text or binary.
* Adds an Operation.get_asm which delegates to print and returns a str or bytes.
* Reworks Operation.__str__ to be based on get_asm.

Differential Revision: https://reviews.llvm.org/D89848

3 years ago[mlir][shape] Split out structural type conversions for shape dialect.
Sean Silva [Mon, 19 Oct 2020 22:59:03 +0000 (15:59 -0700)]
[mlir][shape] Split out structural type conversions for shape dialect.

A "structural" type conversion is one where the underlying ops are
completely agnostic to the actual types involved and simply need to update
their types. An example of this is shape.assuming -- the shape.assuming op
and the corresponding shape.assuming_yield op need to update their types
accordingly to the TypeConverter, but otherwise don't care what type
conversions are happening.

Also, the previous conversion code would not correctly materialize
conversions for the shape.assuming_yield op. This should have caused a
verification failure, but shape.assuming's verifier wasn't calling
RegionBranchOpInterface::verifyTypes (which for reasons can't be called
automatically as part of the trait verification, and requires being
called manually). This patch also adds that verification.

Differential Revision: https://reviews.llvm.org/D89833

3 years ago[mlir] Add structural type conversions for SCF dialect.
Sean Silva [Fri, 16 Oct 2020 03:17:25 +0000 (20:17 -0700)]
[mlir] Add structural type conversions for SCF dialect.

A "structural" type conversion is one where the underlying ops are
completely agnostic to the actual types involved and simply need to update
their types. An example of this is scf.if -- the scf.if op and the
corresponding scf.yield ops need to update their types accordingly to the
TypeConverter, but otherwise don't care what type conversions are happening.

To test the structural type conversions, it is convenient to define a
bufferize pass for a dialect, which exercises them nicely.

Differential Revision: https://reviews.llvm.org/D89757

3 years ago[CostModel] remove cost-kind predicate for scatter/gather cost
Sanjay Patel [Wed, 21 Oct 2020 18:19:52 +0000 (14:19 -0400)]
[CostModel] remove cost-kind predicate for scatter/gather cost

This is similar in spirit to 01ea93d85d6e (memcpy) except that
here the underlying caller assumptions were created for vectorizer
use (throughput) rather than other passes.

That meant ARM could have an enormous throughput cost with no
corresponding size, latency, or blended cost increase. X86 has
the same throughput restriction as the basic implementation, so
it is still unchanged.

Paraphrasing from the previous commit:
This may not make sense for some callers, but at least now the
costs will be consistently wrong instead of mysteriously wrong.

Targets should provide better overrides if the current modeling
is not accurate.

3 years ago[ARM] add cost-kind tests for intrinsics; NFC
Sanjay Patel [Wed, 21 Oct 2020 18:10:14 +0000 (14:10 -0400)]
[ARM] add cost-kind tests for intrinsics; NFC

This is a copy of the x86 file to provide better coverage;
x86 may have strange overrides that mask changes in the
generic model.

3 years ago[NFC][OpenMP] Update description of OMPGridValues enums
Saiyedul Islam [Wed, 21 Oct 2020 18:20:16 +0000 (18:20 +0000)]
[NFC][OpenMP] Update description of OMPGridValues enums

Update comments describing how OMPGridValues enums will be used in
clang, deviceRTLs, and hsa and cuda plugins.

Reviewed By: jdoerfert

Differential Revision: https://reviews.llvm.org/D86232

3 years ago[gn build] try to fix clang build after 37c030f81a9fdd
Nico Weber [Wed, 21 Oct 2020 18:11:16 +0000 (14:11 -0400)]
[gn build] try to fix clang build after 37c030f81a9fdd

37c030f81a9fdd made it so that depending on //libcxx/include
automatically added the copied header dir to the include search path.
For some reason, clang can't build against the copied libcxx headers
(it complains about ldiv_t not being a type). I don't have a mac
to debug right now, but for the clang target this change was
unintentional anyways -- only depend on the copies target, instead
of on the target that also adjusts the include path.

3 years ago[NFC] Clean up always false variables
Arthur Eubanks [Thu, 8 Oct 2020 02:35:39 +0000 (19:35 -0700)]
[NFC] Clean up always false variables

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D89023

3 years ago[libomptarget] Require LLVM source tree to build libomptarget
Jon Chesterfield [Wed, 21 Oct 2020 17:52:53 +0000 (18:52 +0100)]
[libomptarget] Require LLVM source tree to build libomptarget

[libomptarget] Require LLVM source tree to build libomptarget

This is to permit reliably #including files from the LLVM tree in libomptarget,
as an improvement on the copy and paste that is currently in use. See D87841
for the first example of removing duplication given this new requirement.

The weekly openmp dev call reached consensus on this approach. See also D87841
for some alternatives that were considered. In the future, we may want to
introduce a new top level repo for shared constants, or start using the ADT
library within openmp.

This will break sufficiently exotic build systems, trivial fixes as below.

Building libomptarget as part of the monorepo will continue to work.
If openmp is built separately, it now requires a cmake macro indicating
where to find the LLVM source tree.

If openmp is built separately, without the llvm source tree already on disk,
the build machine will need a copy of a subset of the llvm source tree and
the cmake macro indicating where it is.

Reviewed By: protze.joachim

Differential Revision: https://reviews.llvm.org/D89426

3 years ago[ARM][SchedModels] Convert IsLdrAm3RegOffPred to MCSchedPredicate
Evgeny Leviant [Wed, 21 Oct 2020 17:49:10 +0000 (20:49 +0300)]
[ARM][SchedModels] Convert IsLdrAm3RegOffPred to MCSchedPredicate

Differential revision: https://reviews.llvm.org/D89876

3 years agoFix missing c++ mode comment
Matt Arsenault [Fri, 9 Oct 2020 00:05:18 +0000 (20:05 -0400)]
Fix missing c++ mode comment

3 years ago[NFC] Fix the definition of SuitableAlign
Xiangling Liao [Wed, 21 Oct 2020 17:34:56 +0000 (13:34 -0400)]
[NFC] Fix the definition of SuitableAlign