Roman Lebedev [Mon, 22 Jul 2019 22:09:11 +0000 (22:09 +0000)]
[InstSimplify][NFC] Tests for skipping 'div-by-0' checks before @llvm.umul.with.overflow
These may remain after @llvm.umul.with.overflow was canonicalized
from the code that was originally doing the check via division.
llvm-svn: 366751
Roman Lebedev [Mon, 22 Jul 2019 22:09:02 +0000 (22:09 +0000)]
[SimplifyCFG][NFC] Test that we fail to flatten CFG in JPEG "sign" value extend pattern
This comes up in JPEG decoding, see e.g.
Figure F.12 – Extending the sign bit of a decoded value in V
of ITU T.81 (JPEG specification).
llvm-svn: 366750
Roman Lebedev [Mon, 22 Jul 2019 22:08:55 +0000 (22:08 +0000)]
[SimplifyCFG][NFC] Test that we fail to flatten CFG after forming @llvm.umul.with.overflow
Even if we formed @llvm.umul.with.overflow, we are still stuck
with that guard against div-by-zero, which is no longer needed,
because we didn't flatten the CFG.
llvm-svn: 366749
Roman Lebedev [Mon, 22 Jul 2019 22:08:45 +0000 (22:08 +0000)]
[InstCombine][NFC] Tests for canonicalization of unsigned multiply overflow check
llvm-svn: 366748
Roman Lebedev [Mon, 22 Jul 2019 22:08:35 +0000 (22:08 +0000)]
[NFC][PhaseOrdering] Add tests showcasing the problems of unsigned multiply overflow check
While we can form the @llvm.mul.with.overflow easily,
we are still left with that check that was guarding against div-by-0.
And in the second case we won't even flatten the CFG.
llvm-svn: 366747
Roman Lebedev [Mon, 22 Jul 2019 22:08:27 +0000 (22:08 +0000)]
[IndVarSimplify][NFC] Autogenerate check lines in loop_evaluate_1.ll
Being affected by upcoming patch.
llvm-svn: 366746
Jonas Devlieghere [Mon, 22 Jul 2019 21:51:04 +0000 (21:51 +0000)]
Remove Xcode project remnants
llvm-svn: 366745
Vedant Kumar [Mon, 22 Jul 2019 21:46:45 +0000 (21:46 +0000)]
[Driver] Set the default win32-macho debug format to DWARF
rdar://
53267670
Differential Revision: https://reviews.llvm.org/D65116
llvm-svn: 366744
Matt Arsenault [Mon, 22 Jul 2019 21:38:11 +0000 (21:38 +0000)]
AMDGPU: Don't use SDNodeXForm for DS offset output
The xform has no real valuewhen it's using out of a complex pattern
output. The complex pattern was already creating TargetConstants with
i16, so this was just unnecessary machinery.
This allows global isel to import the simple cases once the complex
pattern is implemented.
llvm-svn: 366743
Jonas Devlieghere [Mon, 22 Jul 2019 21:33:43 +0000 (21:33 +0000)]
Remove INSTALL.txt file
Its contents are stale and much better documentation can be found either
online or in the docs directory.
llvm-svn: 366742
Jonas Devlieghere [Mon, 22 Jul 2019 21:26:50 +0000 (21:26 +0000)]
[Docs] Remove stale documentation
This removes a stale piece of documentation about building LLDB with the
Xcode project.
llvm-svn: 366741
Jonas Devlieghere [Mon, 22 Jul 2019 21:20:23 +0000 (21:20 +0000)]
[LLDB] Remove the Xcode project
Finally, after a lot of hard work from a bunch of people, we're in a
state where we can unify LLDB's build system.
This patch removes the hand-maintained Xcode project in favor of using
CMake in combination with the Xcode generator. Going forward, we want to
focus our efforts on improving the generated Xcode project.
Differential revision: https://reviews.llvm.org/D65109
llvm-svn: 366739
Julian Lettner [Mon, 22 Jul 2019 21:13:19 +0000 (21:13 +0000)]
[TSan] Enable fiber tests on iOS simulator
These tests *do not* work on device, but they *do* work in the
simulator.
rdar://
53403778
llvm-svn: 366738
Eric Christopher [Mon, 22 Jul 2019 21:04:23 +0000 (21:04 +0000)]
Temporarily Revert "[Attributor] Liveness analysis." as it's breaking the build.
This reverts commit
9285295f75a231dc446fa7cbc10a0a391b3434a5.
llvm-svn: 366737
Stefan Stipanovic [Mon, 22 Jul 2019 20:54:30 +0000 (20:54 +0000)]
[Attributor] Liveness analysis.
Liveness analysis abstract attribute used to indicate which BasicBlocks are dead and can therefore be ignored.
Right now we are only looking at noreturn calls.
Reviewers: jdoerfert, uenoku
Subscribers: hiraditya, llvm-commits
Differential revision: https://reviews.llvm.org/D64162
llvm-svn: 366736
Louis Dionne [Mon, 22 Jul 2019 20:45:23 +0000 (20:45 +0000)]
[NFC][libc++] Add missing EXPLICIT to pair and tuple synopsis
The constructors for std::pair and std::tuple have been made conditionally
explicit, however the synopsis in the headers do not reflect that.
llvm-svn: 366735
Yi Kong [Mon, 22 Jul 2019 20:41:03 +0000 (20:41 +0000)]
[runtimes] Don't depend on libpthread on Android
r362048 added support for ELF dependent libraries, but broke Android
build since Android does not have libpthread. Remove the dependency on
the Android build.
Differential Revision: https://reviews.llvm.org/D65098
llvm-svn: 366734
Alex Langford [Mon, 22 Jul 2019 20:14:18 +0000 (20:14 +0000)]
[Symbol] Improve Variable::GetLanguage
Summary:
When trying to ascertain what language a variable belongs to, just
checking the compilation unit is often not enough. In r364845 I added a way to
check for a variable's language type, but didn't put it in Variable itself.
Let's go ahead and put it in Variable.
Reviewers: jingham, clayborg
Subscribers: jdoerfert, lldb-commits
Differential Revision: https://reviews.llvm.org/D64042
llvm-svn: 366733
Craig Topper [Mon, 22 Jul 2019 19:58:49 +0000 (19:58 +0000)]
[X86] When using AND+PACKUS in lowerV16I8Shuffle, generate the build vector directly in v16i8 with the correct 0x00 or 0xFF elements rather than using another VT and bitcasting it.
The build_vector will become a constant pool load. By using the
desired type initially, it ensures we don't generate a bitcast
of the constant pool load which will need to be folded with
the load.
While experimenting with another patch, I noticed that when the
load type and the constant pool type don't match, then
SimplifyDemandedBits can't handle it. While we should probably
fix that, this was a simple way to fix the issue I saw.
llvm-svn: 366732
Jason Liu [Mon, 22 Jul 2019 19:55:33 +0000 (19:55 +0000)]
[NFC][PowerPC]Change ADDIStocHA to ADDIStocHA8 to follow 64-bit naming convention
Summary:
Since we are planning to add ADDIStocHA for 32bit in later patch, we decided
to change 64bit one first to follow naming convention with 8 behind opcode.
Patch by: Xiangling_L
Differential Revision: https://reviews.llvm.org/D64814
llvm-svn: 366731
Petr Hosek [Mon, 22 Jul 2019 19:54:34 +0000 (19:54 +0000)]
[libc++] Set __file_ to 0 in basic_filebuf::close() even if fclose fails
This issue was detected by ASan in one of our tests. This test manually
invokes basic_filebuf::cloe(). fclose(__h.release() returned a non-zero
exit status, so __file_ wasn't set to 0. Later when basic_filebuf
destructor ran, we would enter the if (__file_) block again leading to
heap-use-after-free error.
The POSIX specification for fclose says that independently of the return
value, fclose closes the underlying file descriptor and any further
access (including another call to fclose()) to the stream results in
undefined behavior. This is exactly what happened in our test case.
To avoid this issue, we have to always set __file_ to 0 independently of
the fclose return value.
Differential Revision: https://reviews.llvm.org/D64979
llvm-svn: 366730
Stefan Stipanovic [Mon, 22 Jul 2019 19:36:27 +0000 (19:36 +0000)]
[Attributor] NoAlias on return values.
Porting function return value attribute noalias to attributor.
This will be followed with a patch for callsite and function argumets.
Reviewers: jdoerfert
Subscribers: lebedev.ri, hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D63067
llvm-svn: 366728
Sean Fertile [Mon, 22 Jul 2019 19:15:29 +0000 (19:15 +0000)]
Stubs out TLOF for AIX and add support for common vars in assembly output.
Stubs out a TargetLoweringObjectFileXCOFF class, implementing only
SelectSectionForGlobal for common symbols. Also adds an override of
EmitGlobalVariable in PPCAIXAsmPrinter which adds a number of defensive errors
and adds support for emitting common globals.
llvm-svn: 366727
Petr Hosek [Mon, 22 Jul 2019 18:52:42 +0000 (18:52 +0000)]
[SafeStack] Insert the deref after the offset
While debugging code that uses SafeStack, we've noticed that LLVM
produces an invalid DWARF. Concretely, in the following example:
int main(int argc, char* argv[]) {
std::string value = "";
printf("%s\n", value.c_str());
return 0;
}
DWARF would describe the value variable as being located at:
DW_OP_breg14 R14+0, DW_OP_deref, DW_OP_constu 0x20, DW_OP_minus
The assembly to get this variable is:
leaq -32(%r14), %rbx
The order of operations in the DWARF symbols is incorrect in this case.
Specifically, the deref is incorrect; this appears to be incorrectly
re-inserted in repalceOneDbgValueForAlloca.
With this change which inserts the deref after the offset instead of
before it, LLVM produces correct DWARF:
DW_OP_breg14 R14-32
Differential Revision: https://reviews.llvm.org/D64971
llvm-svn: 366726
Peter Collingbourne [Mon, 22 Jul 2019 18:50:45 +0000 (18:50 +0000)]
WholeProgramDevirt: Teach the pass to respect the global's alignment.
The bytes inserted before an overaligned global need to be padded according
to the alignment set on the original global in order for the initializer
to meet the global's alignment requirements. The previous implementation
that padded to the pointer width happened to be correct for vtables on most
platforms but may do the wrong thing if the vtable has a larger alignment.
This issue is visible with a prototype implementation of HWASAN for globals,
which will overalign all globals including vtables to 16 bytes.
There is also no padding requirement for the bytes inserted after the global
because they are never read from nor are they significant for alignment
purposes, so stop inserting padding there.
Differential Revision: https://reviews.llvm.org/D65031
llvm-svn: 366725
Sean Fertile [Mon, 22 Jul 2019 18:47:59 +0000 (18:47 +0000)]
[PowerPC] Fix comment on MO_PLT Target Operand Flag. [NFC]
Patch by Xiangling Liao.
llvm-svn: 366724
Sean Fertile [Mon, 22 Jul 2019 18:47:55 +0000 (18:47 +0000)]
[Object][XCOFF] Remove extra includes from XCOFF related files. [NFC]
Differential Revision: https://reviews.llvm.org/D60885
llvm-svn: 366723
Peter Collingbourne [Mon, 22 Jul 2019 18:47:03 +0000 (18:47 +0000)]
LowerTypeTests: Teach the pass to respect global alignments.
We were previously ignoring alignment entirely when combining globals
together in this pass. There are two main things that we need to do here:
add additional padding before each global to meet the alignment requirements,
and set the combined global's alignment to the maximum of all of the original
globals' alignments.
Since we now need to calculate layout as we go anyway, use the calculated
layout to produce GlobalLayout instead of using StructLayout.
Differential Revision: https://reviews.llvm.org/D65033
llvm-svn: 366722
Jonas Hahnfeld [Mon, 22 Jul 2019 18:46:02 +0000 (18:46 +0000)]
[OMPT] Cleanup reset of exit_frame pointer
This is done at call-site and does not need to be handled in
__kmp_invoke_microtask. It was already absent from the x86
and x86_64 assembly, this patch removes it from the generic
implementation in z_Linux_util.cpp and adds documentation for
AArch64 and PPC64 that it's actually not needed. I can't test
on these architectures, so I don't want to change the code just
because it looks right :)
While at it, rename some variables for consistency and add a
check in test/ompt/parallel/normal.c that the pointer was reset
before entering the barrier.
Differential Revision: https://reviews.llvm.org/D64442
llvm-svn: 366721
Nilanjana Basu [Mon, 22 Jul 2019 18:22:55 +0000 (18:22 +0000)]
Changes to emit CodeView debug info nested type records properly using MCStreamer directives
llvm-svn: 366720
Ben Hamilton [Mon, 22 Jul 2019 18:20:01 +0000 (18:20 +0000)]
Adds support for formatting NS_CLOSED_ENUM and CF_CLOSED_ENUM alongside NS_ENUM and CF_ENUM.
Summary:
Addresses the formatting of NS_CLOSED_ENUM and CF_CLOSED_ENUM, introduced in Swift 5.
Before:
```
typedef NS_CLOSED_ENUM(NSInteger, Foo){FooValueOne = 1, FooValueTwo,
FooValueThree};
```
After:
```
typedef NS_CLOSED_ENUM(NSInteger, Foo) {
FooValueOne = 1,
FooValueTwo,
FooValueThree
};
```
Contributed by heijink.
Reviewers: benhamilton, krasimir
Reviewed By: benhamilton
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D65012
llvm-svn: 366719
Jonas Hahnfeld [Mon, 22 Jul 2019 18:11:06 +0000 (18:11 +0000)]
Delete empty file
This is a left-over from r356288 which was reviewed in D58989.
llvm-svn: 366716
Stanislav Mekhanoshin [Mon, 22 Jul 2019 18:08:53 +0000 (18:08 +0000)]
[AMDGPU] Test update. NFC.
llvm-svn: 366715
Simon Pilgrim [Mon, 22 Jul 2019 17:57:36 +0000 (17:57 +0000)]
[SLPVectorizer] Fix some MSVC/cppcheck uninitialized variable warnings. NFCI.
llvm-svn: 366712
Vlad Tsyrklevich [Mon, 22 Jul 2019 17:48:53 +0000 (17:48 +0000)]
Revert "Reland [ELF] Loose a condition for relocation with a symbol"
This reverts commit r366686 as it appears to be causing buildbot
failures on sanitizer-x86_64-linux-android and sanitizer-x86_64-linux.
llvm-svn: 366708
Adrian McCarthy [Mon, 22 Jul 2019 17:03:20 +0000 (17:03 +0000)]
[Windows] Fix race condition between state changes
Patch by Martin Andersson (martin.andersson@evoma.se)
If the process is resumed before the state is changed to "running"
there is a possibility (when single stepping) that the debugger stops
and changes the state to "stopped" before it is first changed to
"running". This causes the process to ignore the stop event (since
the state did not change) which in turn leads the DebuggerThread to
wait indefinitely for the exception predicate in HandleExceptionEvent.
Differential Revision: https://reviews.llvm.org/D62183
llvm-svn: 366703
Alexey Bataev [Mon, 22 Jul 2019 16:49:59 +0000 (16:49 +0000)]
[OPENMP][MSVC]Enable /openmp[:experimental] to compile OpenMP.
Mapped /openmp[:experimental] to -fopenmp option and /openmp- option to
-fno-openmp
llvm-svn: 366702
Mikhail Maltsev [Mon, 22 Jul 2019 16:43:03 +0000 (16:43 +0000)]
[libunwind][ARM] Fix types in _Unwind_VRS_Get.
This is a small fix for https://reviews.llvm.org/D64996. The types of
w0 and w1 in _Unwind_VRS_Get must be uint64_t, not uint32_t.
Committing as obvious.
llvm-svn: 366701
Louis Dionne [Mon, 22 Jul 2019 16:24:48 +0000 (16:24 +0000)]
[libc++] Do not infer support for C++17 in GCC < 7
libc++'s lit configuration infers the C++ language dialect when it is
not provided by checking which -std= flags that a compiler supports.
GCC 5 and GCC 6 have a -std=c++17 flag, however, they do not have full
C++17 support. The lit configuration has hardcoded logic that removes
-std=c++1z as an option to test for GCC < 7, but not -std=c++17.
This leads to a bunch of failures when running libc++ tests with GCC 5
or GCC 6. This patch adds -std=c++17 to the list of flags that are
discarded for GCC < 7 by lit's language dialect inference.
Thanks to Bryce Adelstein Lelbach for the patch.
Differential Revision: https://reviews.llvm.org/D62874
llvm-svn: 366700
Paul Robinson [Mon, 22 Jul 2019 16:14:09 +0000 (16:14 +0000)]
[X86] Remove const from some intrinsics that shouldn't have them
llvm-svn: 366699
Sam McCall [Mon, 22 Jul 2019 15:55:53 +0000 (15:55 +0000)]
[clangd] Add dlog()s for SelectionTree, enabling -debug-only=SelectionTree.cpp
Summary:
SelectionTree is a RecursiveASTVisitor which processes getSourceRange() for
every node. This is a lot of surface area with the AST, as getSourceRange()
is specialized for *many* node types.
And the resulting SelectionTree depends on the source ranges of many
visited nodes, and the order of traversal.
Put together, this means we really need a traversal log to debug when we
get an unexpected SelectionTree. I've built this ad-hoc a few times, now
it's time to check it in.
Example output:
```
D[14:07:44.184] Computing selection for </usr/local/google/home/sammccall/test.cc:1:7, col:8>
D[14:07:44.184] push: VarDecl const auto x = 42
D[14:07:44.184] claimRange: </usr/local/google/home/sammccall/test.cc:1:12, col:13>
D[14:07:44.184] push: NestedNameSpecifierLoc (empty NestedNameSpecifierLoc)
D[14:07:44.184] pop: NestedNameSpecifierLoc (empty NestedNameSpecifierLoc)
D[14:07:44.184] push: QualifiedTypeLoc const auto
D[14:07:44.184] pop: QualifiedTypeLoc const auto
D[14:07:44.184] claimRange: </usr/local/google/home/sammccall/test.cc:1:7, col:11>
D[14:07:44.184] hit selection: </usr/local/google/home/sammccall/test.cc:1:7, col:8>
D[14:07:44.184] skip: IntegerLiteral 42
D[14:07:44.184] skipped range = </usr/local/google/home/sammccall/test.cc:1:16>
D[14:07:44.184] pop: VarDecl const auto x = 42
D[14:07:44.184] claimRange: </usr/local/google/home/sammccall/test.cc:1:1, col:18>
D[14:07:44.184] skip: VarDecl int y = 43
D[14:07:44.184] skipped range = </usr/local/google/home/sammccall/test.cc:2:1, col:9>
D[14:07:44.184] Built selection tree
TranslationUnitDecl
VarDecl const auto x = 42
.QualifiedTypeLoc const auto
```
Reviewers: hokein
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D65073
llvm-svn: 366698
Guillaume Chatelet [Mon, 22 Jul 2019 15:34:27 +0000 (15:34 +0000)]
[Polly] Clang complains about missing virtual destructor
Summary: Feel free to reassign if needed.
Reviewers: mhalk, bollu, jdoerfert
Reviewed By: jdoerfert
Subscribers: jdoerfert, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64786
llvm-svn: 366697
Marshall Clow [Mon, 22 Jul 2019 15:13:14 +0000 (15:13 +0000)]
Update c++2a status page with post-Cologne information
llvm-svn: 366696
Matt Arsenault [Mon, 22 Jul 2019 15:02:34 +0000 (15:02 +0000)]
TableGen: Support physical register inputs > 255
This was truncating register value that didn't fit in unsigned char.
Switch AMDGPU sendmsg intrinsics to using a tablegen pattern.
llvm-svn: 366695
Marco Antognini [Mon, 22 Jul 2019 14:47:36 +0000 (14:47 +0000)]
[NFC] Relaxed regression tests for PR42665
Following up on the buildbot failures, this commits relaxes some tests:
instead of checking for specific IR output, it now ensures that the
underlying issue (the crash), and only that, doesn't happen.
llvm-svn: 366694
Pavel Labath [Mon, 22 Jul 2019 14:29:29 +0000 (14:29 +0000)]
ELF: Fix a "memset clearing object of non-trivial type" warning
Just delete the memset as the ELFHeader constructor already
zero-initializes the object. Also clean up the ObjectFileELF
constructors/desctructors while I'm in there.
llvm-svn: 366692
Sam Parker [Mon, 22 Jul 2019 14:16:40 +0000 (14:16 +0000)]
[ARM][LowOverheadLoops] Revert remaining pseudos
ARMLowOverheadLoops would assert a failure if it did not find all the
pseudo instructions that comprise the hardware loop. Instead of doing
this, iterate through all the instructions of the function and revert
any remaining pseudo instructions that haven't been converted.
Differential Revision: https://reviews.llvm.org/D65080
llvm-svn: 366691
Alexey Bataev [Mon, 22 Jul 2019 13:51:07 +0000 (13:51 +0000)]
[OPENMP]Add support for analysis of firstprivate variables.
Summary:
Firstprivate variables are the variables, for which the private copies
must be created in the OpenMP regions and must be initialized with the
original values. Thus, we must report if the uninitialized variable is
used as firstprivate.
Reviewers: NoQ
Subscribers: guansong, jdoerfert, caomhin, kkwli0, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64765
llvm-svn: 366689
Matt Arsenault [Mon, 22 Jul 2019 13:33:11 +0000 (13:33 +0000)]
AMDGPU/GlobalISel: Fix broken tests
llvm-svn: 366688
Aaron Ballman [Mon, 22 Jul 2019 13:22:08 +0000 (13:22 +0000)]
Update documentation for all CERT checks that correspond to a recommendation.
CERT removed their C++ secure coding recommendations from public view and so the links within that documentation are stale. This updates various pieces of documentation to make this more clear, and to help add substance where our docs deferred to CERT's wiki.
llvm-svn: 366687
Nikola Prica [Mon, 22 Jul 2019 13:07:01 +0000 (13:07 +0000)]
Reland [ELF] Loose a condition for relocation with a symbol
This patch was not the reason of the buildbot failure.
Deleted code was introduced as a work around for a bug in the gold linker
(http://sourceware.org/PR16794). Test case that was given as a reason for
this part of code, the one on previous link, now works for the gold.
This condition is too strict and when a code is compiled with debug info
it forces generation of numerous relocations with symbol for architectures
that do not have relocation addend.
Reviewers: arsenm, espindola
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D64327
llvm-svn: 366686
Matt Arsenault [Mon, 22 Jul 2019 13:05:25 +0000 (13:05 +0000)]
AMDGPU/GlobalISel: Remove unnecessary code
The minnum/maxnum case are dead, and the cvt is handled by the
default.
llvm-svn: 366685
David Green [Mon, 22 Jul 2019 12:51:38 +0000 (12:51 +0000)]
[ARM] Fix for MVE VPT block pass
We need to ensure that the number of T's is correct when adding multiple
instructions into the same VPT block.
Differential revision: https://reviews.llvm.org/D65049
llvm-svn: 366684
Christudasan Devadasan [Mon, 22 Jul 2019 12:50:30 +0000 (12:50 +0000)]
Updated the signature for some stack related intrinsics (CLANG)
Modified the intrinsics
int_addressofreturnaddress,
int_frameaddress & int_sponentry.
This commit depends on the changes in rL366679
Reviewed By: arsenm
Differential Revision: https://reviews.llvm.org/D64563
llvm-svn: 366683
Aaron Ballman [Mon, 22 Jul 2019 12:49:28 +0000 (12:49 +0000)]
Revert the change to the [[nodiscard]] feature test macro value.
This value only gets bumped once both P1301 and P1771 are implemented.
llvm-svn: 366682
Simon Pilgrim [Mon, 22 Jul 2019 12:44:10 +0000 (12:44 +0000)]
[X86] EltsFromConsecutiveLoads - support common source loads (REAPPLIED)
This patch enables us to find the source loads for each element, splitting them into a Load and ByteOffset, and attempts to recognise consecutive loads that are in fact from the same source load.
A helper function, findEltLoadSrc, recurses to find a LoadSDNode and determines the element's byte offset within it. When attempting to match consecutive loads, byte offsetted loads then attempt to matched against a previous load that has already been confirmed to be a consecutive match.
Next step towards PR16739 - after this we just need to account for shuffling/repeated elements to create a vector load + shuffle.
Fixed out of bounds load assert identified in rL366501
Differential Revision: https://reviews.llvm.org/D64551
llvm-svn: 366681
Matt Arsenault [Mon, 22 Jul 2019 12:43:41 +0000 (12:43 +0000)]
AMDGPU/GlobalISel: Fix tests without asserts
The legality check is only done under NDEBUG, so the failure cases are
different in a release build.
llvm-svn: 366680
Christudasan Devadasan [Mon, 22 Jul 2019 12:42:48 +0000 (12:42 +0000)]
Added address-space mangling for stack related intrinsics
Modified the following 3 intrinsics:
int_addressofreturnaddress,
int_frameaddress & int_sponentry.
Reviewed By: arsenm
Differential Revision: https://reviews.llvm.org/D64561
llvm-svn: 366679
Simon Pilgrim [Mon, 22 Jul 2019 12:17:56 +0000 (12:17 +0000)]
[X86][SSE] Add EltsFromConsecutiveLoads test case identified in rL366501
Test case that led to rL366441 being reverted at rL366501
llvm-svn: 366678
George Rimar [Mon, 22 Jul 2019 12:01:52 +0000 (12:01 +0000)]
[yaml2obj] - Change how we handle implicit sections.
Instead of having the special list of implicit sections,
that are mixed with the sections read from YAML on late
stages, I just create the placeholders and add them to
the main sections list early.
That allows to significantly simplify the code.
Differential revision: https://reviews.llvm.org/D64999
llvm-svn: 366677
Fangrui Song [Mon, 22 Jul 2019 11:37:03 +0000 (11:37 +0000)]
[ARM][test] Improve tests
Delete trailing 2>&1 that is not piped to another command.
Add --no-show-raw-insn to objdump -d commands.
llvm-svn: 366676
Sam McCall [Mon, 22 Jul 2019 11:12:16 +0000 (11:12 +0000)]
[clangd] Set buffer name for main file. NFCI
llvm-svn: 366675
Ilya Biryukov [Mon, 22 Jul 2019 10:05:11 +0000 (10:05 +0000)]
[clangd] Log input code of failed highlighting tests. NFC
llvm-svn: 366674
Raphael Isemann [Mon, 22 Jul 2019 10:02:09 +0000 (10:02 +0000)]
[lldb][NFC] Tablegenify breakpoint
llvm-svn: 366673
Ilya Biryukov [Mon, 22 Jul 2019 09:58:53 +0000 (09:58 +0000)]
[AST] Treat semantic form of InitListExpr as implicit code in traversals
Summary:
In particular, do not traverse the semantic form if shouldVisitImplicitCode()
returns false.
This simplifies the common case of traversals, avoiding the need to
worry about some expressions being traversed twice.
No tests break after the change, the change would allow to simplify at
least one of the usages, i.e. r366070 which had to handle this in
clangd.
Reviewers: gribozavr
Reviewed By: gribozavr
Subscribers: kadircet, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64762
llvm-svn: 366672
Stefan Granitz [Mon, 22 Jul 2019 09:47:40 +0000 (09:47 +0000)]
Add location of SVN staging dir to git-llvm error output
Summary:
In pre-monorepo times the svn staging directory was `.git/svn`. The below error message wasn't mentioning the new name yet.
Example before:
```
Can't push git rev
104cfa289d9 because svn status is not empty:
! llvm/trunk/include/llvm
```
Example after:
```
Can't push git rev
104cfa289d9 because status in svn staging dir (.git/llvm-upstream-svn) is not empty:
! llvm/trunk/include/llvm
```
Reviewers: mehdi_amini, jlebar, teemperor
Reviewed By: mehdi_amini
Subscribers: llvm-commits, #llvm
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D65038
llvm-svn: 366671
Marco Antognini [Mon, 22 Jul 2019 09:39:13 +0000 (09:39 +0000)]
[OpenCL] Improve destructor support in C++ for OpenCL
This re-applies r366422 with a fix for Bug PR42665 and a new regression
test.
llvm-svn: 366670
Oliver Stannard [Mon, 22 Jul 2019 08:44:36 +0000 (08:44 +0000)]
[IPRA][ARM] Make use of the "returned" parameter attribute
ARM has code to recognise uses of the "returned" function parameter
attribute which guarantee that the value passed to the function in r0
will be returned in r0 unmodified. IPRA replaces the regmask on call
instructions, so needs to be told about this to avoid reverting the
optimisation.
Differential revision: https://reviews.llvm.org/D64986
llvm-svn: 366669
George Rimar [Mon, 22 Jul 2019 08:10:02 +0000 (08:10 +0000)]
[llvm-readobj] - Stop using precompiled objects in file-headers.test
This converts all sub-tests except one to YAML instead of precompiled inputs.
Differential revision: https://reviews.llvm.org/D64800
llvm-svn: 366668
Jay Foad [Mon, 22 Jul 2019 07:19:44 +0000 (07:19 +0000)]
[AMDGPU] Save some work when an atomic op has no uses
Summary:
In the atomic optimizer, save doing a bunch of work and generating a
bunch of dead IR in the fairly common case where the result of an
atomic op (i.e. the value that was in memory before the atomic op was
performed) is not used. NFC.
Reviewers: arsenm, dstuttard, tpr
Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, t-tye, hiraditya, jfb, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64981
llvm-svn: 366667
Kai Luo [Mon, 22 Jul 2019 05:32:20 +0000 (05:32 +0000)]
[PowerPC][NFC] Precommit a test case where ppc-mi-peepholes miscompiles extswsli
Added a test case to show codegen differences.
llvm-svn: 366666
Serguei Katkov [Mon, 22 Jul 2019 05:15:34 +0000 (05:15 +0000)]
[Loop Peeling] Fix the handling of branch weights of peeled off branches.
Current algorithm to update branch weights of latch block and its copies is
based on the assumption that number of peeling iterations is approximately equal
to trip count.
However it is not correct. According to profitability check in one case we can decide to peel
in case it helps to reduce the number of phi nodes. In this case the number of peeled iteration
can be less then estimated trip count.
This patch introduces another way to set the branch weights to peeled of branches.
Let F is a weight of the edge from latch to header.
Let E is a weight of the edge from latch to exit.
F/(F+E) is a probability to go to loop and E/(F+E) is a probability to go to exit.
Then, Estimated TripCount = F / E.
For I-th (counting from 0) peeled off iteration we set the the weights for
the peeled latch as (TC - I, 1). It gives us reasonable distribution,
The probability to go to exit 1/(TC-I) increases. At the same time
the estimated trip count of remaining loop reduces by I.
As a result after peeling off N iteration the weights will be
(F - N * E, E) and trip count of loop becomes
F / E - N or TC - N.
The idea is taken from the review of the patch D63918 proposed by Philip.
Reviewers: reames, mkuper, iajbar, fhahn
Reviewed By: reames
Subscribers: hiraditya, zzheng, llvm-commits
Differential Revision: https://reviews.llvm.org/D64235
llvm-svn: 366665
Fangrui Song [Mon, 22 Jul 2019 04:59:01 +0000 (04:59 +0000)]
[utils] Clean up UpdateTestChecks/common.py
llvm-svn: 366664
Fangrui Song [Mon, 22 Jul 2019 04:14:09 +0000 (04:14 +0000)]
[analyzer] Fix -Wunused-function in NDEBUG builds with #ifdef LLVM_DUMP_METHOD
llvm-svn: 366663
Craig Topper [Mon, 22 Jul 2019 02:43:43 +0000 (02:43 +0000)]
[InstCombine] Add foldAndOfICmps test cases inspired by PR42691.
icmp ne %x, INT_MIN can be treated similarly to icmp sgt %x, INT_MIN.
icmp ne %x, INT_MAX can be treated similarly to icmp slt %x, INT_MAX.
icmp ne %x, UINT_MAX can be treated similarly to icmp ult %x, UINT_MAX.
We already treat icmp ne %x, 0 similarly to icmp ugt %x, 0
llvm-svn: 366662
Nemanja Ivanovic [Sun, 21 Jul 2019 21:03:45 +0000 (21:03 +0000)]
[PowerPC][NFC] Precomit test case for upcoming patch
Just committing a test case for an upcoming patch so that the review can show
only the codegen differences.
llvm-svn: 366661
Simon Pilgrim [Sun, 21 Jul 2019 19:04:44 +0000 (19:04 +0000)]
[X86] SimplifyDemandedVectorEltsForTargetNode - Move SUBV_BROADCAST narrowing handling. NFCI.
Move the narrowing of SUBV_BROADCAST to where we handle all the other opcodes.
llvm-svn: 366660
Nemanja Ivanovic [Sun, 21 Jul 2019 18:42:29 +0000 (18:42 +0000)]
[PowerPC][NFC] Regenerate test using script
This test case ended up as a hybrid of generated checks and manually inserted
checks. Regenerate using script to make it consistent.
llvm-svn: 366659
Craig Topper [Sun, 21 Jul 2019 16:15:03 +0000 (16:15 +0000)]
[InstCombine] Update comment I missed in r366649. NFC
llvm-svn: 366658
Simon Pilgrim [Sun, 21 Jul 2019 16:06:26 +0000 (16:06 +0000)]
[SmallBitVector] Fix bug in find_next_unset for small types with indices >=32
We were creating a bitmask from a shift of unsigned instead of uintptr_t, meaning we couldn't create masks for indices above 31.
Noticed due to a MSVC analyzer warning.
llvm-svn: 366657
Aditya Nandakumar [Sun, 21 Jul 2019 14:07:54 +0000 (14:07 +0000)]
[GISel]: Attach missing range metadata while translating G_LOADs
https://reviews.llvm.org/D65048
Attach range information to G_LOAD when only defining one register.
reviewed by: arsenm
llvm-svn: 366656
David Green [Sun, 21 Jul 2019 13:09:19 +0000 (13:09 +0000)]
[ARM] Move MVE VPT block tests into the Thumb2 directory. NFC
llvm-svn: 366655
Raphael Isemann [Sun, 21 Jul 2019 10:31:13 +0000 (10:31 +0000)]
[lldb] Fix crash when looking up type coming from the ClangModuleDeclVendor
Summary:
We assume in LLDB that every type comes from an ASTContext with an associated ClangASTContext.
However the types inside the ClangModuleDeclVendor don't have a ClangASTContext so we end up
crashing whenever we create a CompilerType for one of these types.
Simplest way to trigger this bug is to just look up NSObject from a module:
(lldb) expr @import Foundation
(lldb) type lookup NSObject
Assertion failed: (m_type_system != nullptr), function CompilerType, file /Users/teemperor/llvm1/llvm-project/lldb/source/Symbol/CompilerType.cpp, line 39.
This patch just creates a ClangASTContext for the ASTContext used by ClangModuleDeclVendor.
Reviewers: davide, shafik
Reviewed By: davide
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D64989
llvm-svn: 366653
Roman Lebedev [Sun, 21 Jul 2019 09:05:49 +0000 (09:05 +0000)]
[NFC][InstCombine] Add a few extra srem-by-power-of-two tests - extra uses
llvm-svn: 366652
Nathan Lanza [Sun, 21 Jul 2019 07:46:18 +0000 (07:46 +0000)]
[NativePDB] Make GetOrCreateDeclForUid return an lldb CompilerDecl
We intend to make PdbAstBuilder abstract and implement
PdbAstBuilderClang along with any other languages that wish to use
PDBs. Thus, change GetOrCreateDeclForUid from returning a clang decl
to a lldb_private::CompilerDecl.
llvm-svn: 366650
Craig Topper [Sun, 21 Jul 2019 06:43:38 +0000 (06:43 +0000)]
[InstCombine] Remove insertRangeTest code that handles the equality case.
For equality, the function called getTrue/getFalse with the VT
of the comparison input. But getTrue/getFalse need the boolean VT.
So if this code ever executed, it would assert.
I believe these cases are removed by InstSimplify so we don't get here.
So this patch just fixes up an assert to exclude the equality
possibility and removes the broken code.
llvm-svn: 366649
Craig Topper [Sun, 21 Jul 2019 05:26:05 +0000 (05:26 +0000)]
[InstCombine] Don't use AddOne/SubOne to see if two APInts are 1 apart. Use APInt operations instead. NFCI
AddOne/SubOne create new Constant objects. That seems heavy for
comparing ConstantInts which wrap APInts. Just do the math on
on the APInts and compare them.
llvm-svn: 366648
Yuanfang Chen [Sun, 21 Jul 2019 00:07:39 +0000 (00:07 +0000)]
[lldb] Fix buildbot build fail caused by r366645
llvm-svn: 366647
Nico Weber [Sun, 21 Jul 2019 00:03:55 +0000 (00:03 +0000)]
gn build: Merge r366622
llvm-svn: 366646
Yuanfang Chen [Sat, 20 Jul 2019 22:50:50 +0000 (22:50 +0000)]
[Clang] Replace cc1 options '-mdisable-fp-elim' and '-momit-leaf-frame-pointer'
with '-mframe-pointer'
After D56351 and D64294, frame pointer handling is migrated to tri-state
(all, non-leaf, none) in clang driver and on the function attribute.
This patch makes the frame pointer handling cc1 option tri-state.
Reviewers: chandlerc, rnk, t.p.northover, MaskRay
Reviewed By: MaskRay
Differential Revision: https://reviews.llvm.org/D56353
llvm-svn: 366645
Petr Hosek [Sat, 20 Jul 2019 21:59:47 +0000 (21:59 +0000)]
[ELF] Support explicitly overriding relocation model in LTO
lld currently selects the relocation model automatically depending on
the link flags specified, but in some cases it'd be useful to allow
explicitly overriding the relocation model using a flag.
llvm-svn: 366644
Roman Lebedev [Sat, 20 Jul 2019 21:34:00 +0000 (21:34 +0000)]
[NFC][InstCombine] Autogenerate a few tests
llvm-svn: 366643
Roman Lebedev [Sat, 20 Jul 2019 21:33:50 +0000 (21:33 +0000)]
[NFC][InstCombine] Add srem-by-signbit tests - still can fold to bittest
https://rise4fun.com/Alive/IIeS
llvm-svn: 366642
Roman Lebedev [Sat, 20 Jul 2019 19:25:44 +0000 (19:25 +0000)]
[NFC][Codegen][X86][AArch64] Add "(x s% C) == 0" tests
Much like with `urem`, the same optimization (albeit with slightly
different algorithm) applies for the signed case, too.
I'm simply copying the test coverage from `urem` case for now,
i believe it should be (close to?) sufficient.
llvm-svn: 366640
Saleem Abdulrasool [Sat, 20 Jul 2019 17:59:08 +0000 (17:59 +0000)]
build: allow the user to specify `llvm-tblgen`
This follows the same pattern as Clang and permits the user to specify
the tablegen to use via `-DLLVM_TABLEGEN=`. This allows for
cross-compiling LLDB for a foreign target (e.g. Windows ARM64 on Windows
X64). The LLVM dependency for LLDB in that case must be a Windows ARM64
build which cannot cross-compile llvm-tblgen due to the way that Visual
Studio works. Instead, permit the user to have a separate tablegen
build which can be used during the build.
llvm-svn: 366639
Serge Guelton [Sat, 20 Jul 2019 17:44:30 +0000 (17:44 +0000)]
Fix asan infinite loop on undefined symbol
Fix llvm#39641
Recommit of r366413
Differential Revision: https://reviews.llvm.org/D63877
> llvm-svn: 366632
llvm-svn: 366638
Roman Lebedev [Sat, 20 Jul 2019 16:33:15 +0000 (16:33 +0000)]
[Codegen][SelectionDAG] X u% C == 0 fold: non-splat vector improvements
Summary:
Four things here:
1. Generalize the fold to handle non-splat divisors. Reasonably trivial.
2. Unban power-of-two divisors. I don't see any reason why they should
be illegal.
* There is no ban in Hacker's Delight
* I think the ban came from the same bug that caused the miscompile
in the base patch - in `floor((2^W - 1) / D)` we were dividing by
`D0` instead of `D`, and we **were** ensuring that `D0` is not `1`,
which made sense.
3. Unban `1` divisors. I no longer believe Hacker's Delight actually says
that the fold is invalid for `D = 0`. Further considerations:
* We know that
* `(X u% 1) == 0` can be constant-folded to `1`,
* `(X u% 1) != 0` can be constant-folded to `0`,
* Also, we know that
* `X u<= -1` can be constant-folded to `1`,
* `X u> -1` can be constant-folded to `0`,
* https://godbolt.org/z/7jnZJX https://rise4fun.com/Alive/oF6p
* We know will end up with the following:
`(setule/setugt (rotr (mul N, P), K), Q)`
* Therefore, for given new DAG nodes and comparison predicates
(`ule`/`ugt`), we will still produce the correct answer if:
`Q` is a all-ones constant; and both `P` and `K` are *anything*
other than `undef`.
* The fold will indeed produce `Q = all-ones`.
4. Try to re-splat the `P` and `K` vectors - we don't care about
their values for the lanes where divisor was `1`.
Reviewers: RKSimon, hermord, craig.topper, spatel, xbolva00
Reviewed By: RKSimon
Subscribers: hiraditya, javed.absar, dexonsmith, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63963
llvm-svn: 366637
Simon Pilgrim [Sat, 20 Jul 2019 15:20:11 +0000 (15:20 +0000)]
[X86][SSE] Use PSADBW to improve vXi8 sum reduction (PR42674)
As detailed on PR42674, we can reduce a vXi8 down until we have the final <8 x i8>, and then use PSADBW with zero, to sum those values. We then extract the bottom i8, discarding any overflow from the upper bits of the i16 result.
llvm-svn: 366636
Simon Pilgrim [Sat, 20 Jul 2019 13:01:16 +0000 (13:01 +0000)]
Fix cppcheck reduce scope variable warnings. NFCI
Move a couple of variables inside the block where they are actually needed.
llvm-svn: 366635
Serge Guelton [Sat, 20 Jul 2019 13:00:12 +0000 (13:00 +0000)]
Revert "Fix asan infinite loop on undefined symbol"
This reverts commit
cbd28cd05bb11e9d76d71c6cc2d38d89dbb1fe1a.
Buildbot fail: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/22434/steps/64-bit%20check-asan-dynamic/
llvm-svn: 366634