platform/upstream/llvm.git
6 years agoUpdate the synopsis for <version>. NFC
Marshall Clow [Tue, 11 Sep 2018 20:51:54 +0000 (20:51 +0000)]
Update the synopsis for <version>. NFC

llvm-svn: 341990

6 years agoIntroduce the VTable interleaving scheme to the CFI design documentation
Peter Collingbourne [Tue, 11 Sep 2018 20:43:52 +0000 (20:43 +0000)]
Introduce the VTable interleaving scheme to the CFI design documentation

Dimitar et. al. in [1] proposed a novel VTable layout scheme that enables efficient implementation of virtual call CFI.

This patch adds an introduction of this scheme to the CFI design documentation.

[1] Protecting C++ Dynamic Dispatch Through VTable Interleaving. Dimitar Bounov, Rami Gökhan Kıcı, Sorin Lerner. https://cseweb.ucsd.edu/~lerner/papers/ivtbl-ndss16.pdf

Patch by Zhaomo Yang!

Differential Revision: https://reviews.llvm.org/D50372

llvm-svn: 341989

6 years ago[Support] Avoid calling CommandLineToArgvW from shell32.dll
Reid Kleckner [Tue, 11 Sep 2018 20:22:39 +0000 (20:22 +0000)]
[Support] Avoid calling CommandLineToArgvW from shell32.dll

Summary:
Shell32.dll depends on gdi32.dll and user32.dll, which are mostly DLLs
for Windows GUI functionality. LLVM's utilities don't typically need GUI
functionality, and loading these DLLs seems to be slowing down startup.
Also, we already have an implementation of Windows command line
tokenization in cl::TokenizeWindowsCommandLine, so we can just use it.

The goal is to get the original argv in UTF-8, so that it can pass
through most LLVM string APIs. A Windows process starts life with a
UTF-16 string for its command line, and it can be retreived with
GetCommandLineW from kernel32.dll.

Previously, we would:
1. Get the wide command line
2. Call CommandLineToArgvW to handle quoting rules and separate it into
   arguments.
3. For each wide argument, expand wildcards (* and ?) using
   FindFirstFileW.
4. Convert each argument to UTF-8

Now we:
1. Get the wide command line, convert the whole thing to UTF-8
2. Tokenize the UTF-8 command line with cl::TokenizeWindowsCommandLine
3. For each argument, expand wildcards if present
   - This requires converting back to UTF-16 to call FindFirstFileW
   - Results of FindFirstFileW must be converted back to UTF-8

Reviewers: zturner

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D51941

llvm-svn: 341988

6 years ago[SanitizerCoverage] Create comdat for global arrays.
Matt Morehouse [Tue, 11 Sep 2018 20:10:40 +0000 (20:10 +0000)]
[SanitizerCoverage] Create comdat for global arrays.

Summary:
Place global arrays in comdat sections with their associated functions.
This makes sure they are stripped along with the functions they
reference, even on the BFD linker.

Reviewers: eugenis

Reviewed By: eugenis

Subscribers: eraman, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D51902

llvm-svn: 341987

6 years ago[clang-tidy] Handle sugared reference types in ExprMutationAnalyzer
Shuai Wang [Tue, 11 Sep 2018 20:05:37 +0000 (20:05 +0000)]
[clang-tidy] Handle sugared reference types in ExprMutationAnalyzer

Summary:
This handles cases like this:
```
typedef int& IntRef;
void mutate(IntRef);
void f() {
  int x;
  mutate(x);
}
```
where the param type is a sugared type (`TypedefType`) instead of a
reference type directly.

Note that another category of similar but different cases are already
handled properly before:
```
typedef int Int;
void mutate(Int&);
void f() {
  int x;
  mutate(x);
}
```

Reviewers: aaron.ballman, alexfh, george.karpenkov

Subscribers: xazax.hun, a.sidorin, Szelethus, cfe-commits

Differential Revision: https://reviews.llvm.org/D50953

llvm-svn: 341986

6 years ago[gcov] Update a clang test for r341977
Vedant Kumar [Tue, 11 Sep 2018 19:42:58 +0000 (19:42 +0000)]
[gcov] Update a clang test for r341977

Update test/CodeGen/code-coverage.c so that it doesn't refer to a gcov
function which is no longer emitted after r341977.

Fixes bot failure:
http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/23831

llvm-svn: 341985

6 years agoUpdate MemorySSA in LoopUnswitch.
Alina Sbirlea [Tue, 11 Sep 2018 19:19:21 +0000 (19:19 +0000)]
Update MemorySSA in LoopUnswitch.

Summary:
Update MemorySSA in old LoopUnswitch pass.
Actual dependency and update is disabled by default.

Subscribers: sanjoy, jlebar, Prazek, llvm-commits

Differential Revision: https://reviews.llvm.org/D45301

llvm-svn: 341984

6 years ago[libFuzzer] [Windows] Include windows.h and psapi.h with lowercase
Martin Storsjo [Tue, 11 Sep 2018 19:11:54 +0000 (19:11 +0000)]
[libFuzzer] [Windows] Include windows.h and psapi.h with lowercase

This fixes building on a case sensitive filesystem with mingw-w64
headers, where all headers are lowercase, and matches how these
headers are included elsewhere in compiler-rt.

Also include these headers with angle brackets, as they are system
headers.

Differential Revision: https://reviews.llvm.org/D51913

llvm-svn: 341983

6 years agoAMDGPU: Move isa version and EF_AMDGPU_MACH_* determination
Konstantin Zhuravlyov [Tue, 11 Sep 2018 18:56:51 +0000 (18:56 +0000)]
AMDGPU: Move isa version and EF_AMDGPU_MACH_* determination
into TargetParser.

Also switch away from target features to CPU string when
determining isa version. This fixes an issue when we
output wrong isa version in the object code when features
of a particular CPU are altered (i.e. gfx902 w/o xnack
used to result in gfx900).

Differential Revision: https://reviews.llvm.org/D51890

llvm-svn: 341982

6 years ago[InstCombine] enhance vector demanded elements to look at a vector select condition...
Sanjay Patel [Tue, 11 Sep 2018 18:49:00 +0000 (18:49 +0000)]
[InstCombine] enhance vector demanded elements to look at a vector select condition operand

I noticed that we were not back-propagating undef lanes to shuffle masks when we have a
shuffle that reduces the vector width. This is part of investigating/solving PR38691:
https://bugs.llvm.org/show_bug.cgi?id=38691

The DAG equivalent was proposed with:
D51696

Differential Revision: https://reviews.llvm.org/D51433

llvm-svn: 341981

6 years ago[llvm-mca] Delay calculation of Cycles per Resources, separate the cycles and resourc...
Matt Davis [Tue, 11 Sep 2018 18:47:48 +0000 (18:47 +0000)]
[llvm-mca] Delay calculation of Cycles per Resources, separate the cycles and resource quantities.

Summary:
This patch removes the storing of accumulated floating point data
within the llvm-mca library.

This patch splits-up the two quantities: cycles and number of resource units.
By splitting-up these two quantities, we delay the calculation of "cycles per resource unit"
until that value is read, reducing the chance of accumulating floating point error.

I considered using the APFloat, but after measuring performance, for a large (many iteration)
sample, I decided to go with this faster solution.

Reviewers: andreadb, courbet, RKSimon

Reviewed By: andreadb

Subscribers: llvm-commits, javed.absar, tschuett, gbedwell

Differential Revision: https://reviews.llvm.org/D51903

llvm-svn: 341980

6 years ago[InstCombine] add tests for add-with-overflow compares; NFC
Sanjay Patel [Tue, 11 Sep 2018 18:45:28 +0000 (18:45 +0000)]
[InstCombine] add tests for add-with-overflow compares; NFC

llvm-svn: 341979

6 years ago[analyzer] [NFC] Change the tests by making the version check more resilient
George Karpenkov [Tue, 11 Sep 2018 18:45:15 +0000 (18:45 +0000)]
[analyzer] [NFC] Change the tests by making the version check more resilient

llvm-svn: 341978

6 years ago[gcov] Fix branch counters with switch statements (fix PR38821)
Vedant Kumar [Tue, 11 Sep 2018 18:38:34 +0000 (18:38 +0000)]
[gcov] Fix branch counters with switch statements (fix PR38821)

Right now, the counters are added in regards of the number of successors
for a given BasicBlock: it's good when we've only 1 or 2 successors (at
least with BranchInstr). But in the case of a switch statement, the
BasicBlock after switch has several predecessors and we need know from
which BB we're coming from.

So the idea is to revert what we're doing: add a PHINode in each block
which will select the counter according to the incoming BB.  They're
several pros for doing that:

- we fix the "switch" bug
- we remove the function call to "__llvm_gcov_indirect_counter_increment"
  and the lookup table stuff
- we replace by PHINodes, so the optimizer will probably makes a better
  job.

Patch by calixte!

Differential Revision: https://reviews.llvm.org/D51619

llvm-svn: 341977

6 years agoFix PR# 38900 - don't call swap inside of random_shuffle when we'd be swapping an...
Marshall Clow [Tue, 11 Sep 2018 18:33:45 +0000 (18:33 +0000)]
Fix PR# 38900 - don't call swap inside of random_shuffle when we'd be swapping an element with itself

llvm-svn: 341975

6 years agoAdd some context to fatal verifier errors
Xin Tong [Tue, 11 Sep 2018 18:06:03 +0000 (18:06 +0000)]
Add some context to fatal verifier errors

Summary: Add function name when verification fails as an initial breadcrumb for debugging.

Patch by David Callahan.

Reviewers: mehdi_amini, modocache

Reviewed By: modocache

Subscribers: llvm-commits, modocache

Differential Revision: https://reviews.llvm.org/D51386

llvm-svn: 341974

6 years ago[X86] Prefer unpckhpd over movhlps in isel for fake unary cases
Craig Topper [Tue, 11 Sep 2018 17:57:27 +0000 (17:57 +0000)]
[X86] Prefer unpckhpd over movhlps in isel for fake unary cases

In r337348, I changed lowering to prefer X86ISD::UNPCKL/UNPCKH opcodes over MOVLHPS/MOVHLPS for v2f64 {0,0} and {1,1} shuffles when we have SSE2. This enabled the removal of a bunch of weirdly bitcasted isel patterns in r337349. To avoid changing the tests I placed a gross hack in isel to still emit movhlps instructions for fake unary unpckh nodes. A similar hack was not needed for unpckl and movlhps because we do execution domain switching for those. But unpckh and movhlps have swapped operand order.

This patch removes the hack.

This is a code size increase since unpckhpd requires a 0x66 prefix and movhlps does not. But if that's a big concern we should be using movhlps for all unpckhpd opcodes and let commuteInstruction turnit into unpckhpd when its an advantage.

Differential Revision: https://reviews.llvm.org/D49499

llvm-svn: 341973

6 years ago[X86] Teach X86FastISel::X86SelectRet to use EAX for the sret pointer in GNUX32
Craig Topper [Tue, 11 Sep 2018 17:57:23 +0000 (17:57 +0000)]
[X86] Teach X86FastISel::X86SelectRet to use EAX for the sret pointer in GNUX32

GNUX32 uses 32-bit pointers despite is64BitMode being true. So we should use EAX to return the value.

Fixes ones of the failures from PR38865.

Differential Revision: https://reviews.llvm.org/D51940

llvm-svn: 341972

6 years ago[InstCombine] Fix incorrect usage of getPrimitiveSizeInBits when we should be using...
Craig Topper [Tue, 11 Sep 2018 17:57:20 +0000 (17:57 +0000)]
[InstCombine] Fix incorrect usage of getPrimitiveSizeInBits when we should be using the element size for vectors

For vectors, getPrimitiveSizeInBits returns the full vector width. This code should using the element size for vectors. This could be fixed by calling getScalarSizeInBits, but its even easier to just get it from the APInt we're checking.

Differential Revision: https://reviews.llvm.org/D51938

llvm-svn: 341971

6 years ago[CallSiteSplitting] Add debug location to created PHI nodes.
Florian Hahn [Tue, 11 Sep 2018 17:55:58 +0000 (17:55 +0000)]
[CallSiteSplitting] Add debug location to created PHI nodes.

There are 2 cases when we create PHI nodes:
 * For the result of the call that was duplicated in the split blocks.
   Those PHI nodes should have the debug location of the call.

 * For values produced before the call. Those instructions need to be
   duplicated in the split blocks and the PHI nodes should have the
   debug locations of those instructions.

Fixes PR37962.

Reviewers: junbuml, gbedwell, vsk

Reviewed By: junbuml

Tags: #debug-info

Differential Revision: https://reviews.llvm.org/D51919

llvm-svn: 341970

6 years ago[GlobalISel] Lower dbg.declare into indirect DBG_VALUE
Josh Stone [Tue, 11 Sep 2018 17:52:01 +0000 (17:52 +0000)]
[GlobalISel] Lower dbg.declare into indirect DBG_VALUE

Summary:
D31439 changed the semantics of dbg.declare to take the address of a
variable as the first argument, making it indirect.  It specifically
updated FastISel for this change here:

https://reviews.llvm.org/D31439#change-WVArzi177jPl

GlobalISel needs to follow suit, or else it will be missing a level of
indirection in the generated debuginfo.  This problem was seen in a Rust
debuginfo test on aarch64, since GlobalISel is used at -O0 for aarch64.

https://github.com/rust-lang/rust/issues/49807
https://bugzilla.redhat.com/show_bug.cgi?id=1611597
https://bugzilla.redhat.com/show_bug.cgi?id=1625768

Reviewers: dblaikie, aprantl, t.p.northover, javed.absar, rnk

Reviewed By: rnk

Subscribers: #debug-info, rovka, kristof.beyls, JDevlieghere, llvm-commits, tstellar

Differential Revision: https://reviews.llvm.org/D51749

llvm-svn: 341969

6 years ago[LoopInfo][FIX] Remove leftover dump in unit test
Johannes Doerfert [Tue, 11 Sep 2018 17:49:43 +0000 (17:49 +0000)]
[LoopInfo][FIX] Remove leftover dump in unit test

llvm-svn: 341968

6 years ago[clang-tidy] Handle unique owning smart pointers in ExprMutationAnalyzer
Shuai Wang [Tue, 11 Sep 2018 17:33:12 +0000 (17:33 +0000)]
[clang-tidy] Handle unique owning smart pointers in ExprMutationAnalyzer

Summary:
For smart pointers like std::unique_ptr which uniquely owns the
underlying object, treat the mutation of the pointee as mutation of the
smart pointer itself.

This gives better behavior for cases like this:
```
void f(std::vector<std::unique_ptr<Foo>> v) { // undesirable analyze result of `v` as not mutated.
  for (auto& p : v) {
      p->mutate(); // only const member function `operator->` is invoked on `p`
  }
}
```

Reviewers: hokein, george.karpenkov

Subscribers: xazax.hun, a.sidorin, Szelethus, cfe-commits

Differential Revision: https://reviews.llvm.org/D50883

llvm-svn: 341967

6 years agoTest commit: remove trailing whitespace
Josh Stone [Tue, 11 Sep 2018 17:28:43 +0000 (17:28 +0000)]
Test commit: remove trailing whitespace

llvm-svn: 341966

6 years agoRevert "[SanitizerCoverage] Create comdat for global arrays."
Matt Morehouse [Tue, 11 Sep 2018 17:20:14 +0000 (17:20 +0000)]
Revert "[SanitizerCoverage] Create comdat for global arrays."

This reverts r341951 due to bot breakage.

llvm-svn: 341965

6 years ago[OPENMP]Increment iterator when the loop is continued.
Alexey Bataev [Tue, 11 Sep 2018 17:16:26 +0000 (17:16 +0000)]
[OPENMP]Increment iterator when the loop is continued.

Summary:
Missed operation of the incrementing iterator when required just to
continue execution.

Reviewers: kkwli0, gtbercea, grokos

Subscribers: guansong, openmp-commits

Differential Revision: https://reviews.llvm.org/D51937

llvm-svn: 341964

6 years ago[clang-cl, PCH] Support for /Yc and /Yu without filename and #pragma hdrstop
Mike Rice [Tue, 11 Sep 2018 17:10:44 +0000 (17:10 +0000)]
[clang-cl, PCH] Support for /Yc and /Yu without filename and #pragma hdrstop

With clang-cl, when the user specifies /Yc or /Yu without a filename
the compiler uses a #pragma hdrstop in the main source file to
determine the end of the PCH. If a header is specified with /Yc or
/Yu #pragma hdrstop has no effect.

The optional #pragma hdrstop filename argument is not yet supported.

Differential Revision: https://reviews.llvm.org/D51391

llvm-svn: 341963

6 years ago[InstCombine] Use dyn_cast instead of match(m_Constant). NFC
Craig Topper [Tue, 11 Sep 2018 16:51:26 +0000 (16:51 +0000)]
[InstCombine] Use dyn_cast instead of match(m_Constant). NFC

llvm-svn: 341962

6 years ago[InstCombine] Support (mul (sext x), cst) --> (sext (mul x, cst')) and (mul (zext...
Craig Topper [Tue, 11 Sep 2018 16:51:24 +0000 (16:51 +0000)]
[InstCombine] Support (mul (sext x), cst) --> (sext (mul x, cst')) and (mul (zext x), cst) --> (zext (mul x, cst')) for vectors constants.

Similar to D51236, but for mul instead of add.

Differential Revision: https://reviews.llvm.org/D51900

llvm-svn: 341961

6 years ago[NFC] Fix typo in comment
Jessica Paquette [Tue, 11 Sep 2018 16:38:46 +0000 (16:38 +0000)]
[NFC] Fix typo in comment

Fore -> For

llvm-svn: 341960

6 years ago[MachineOutliner][NFC] Factor out instruction mapping into its own function
Jessica Paquette [Tue, 11 Sep 2018 16:33:46 +0000 (16:33 +0000)]
[MachineOutliner][NFC] Factor out instruction mapping into its own function

Just some tidy-up. Pull the mapper stuff into `populateMapper`. This makes it
a bit easier to read what's going on in `runOnModule`.

llvm-svn: 341959

6 years ago[ASTMatchers] add three matchers for dependent expressions
Jonas Toth [Tue, 11 Sep 2018 16:09:19 +0000 (16:09 +0000)]
[ASTMatchers] add three matchers for dependent expressions

Summary:
The new matchers can be used to check if an expression is type-, value- or instantiation-dependent
in a templated context.
These matchers are used in a clang-tidy check and generally useful as the
problem of unresolved templates occurs more often in clang-tidy and they
provide an easy way to check for this issue.

Reviewers: aaron.ballman, alexfh, klimek

Reviewed By: aaron.ballman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51880

llvm-svn: 341958

6 years agoRemove undefined behavior around the use of StateType
Shafik Yaghmour [Tue, 11 Sep 2018 16:08:05 +0000 (16:08 +0000)]
Remove undefined behavior around the use of StateType

rdar://problem/43530233

Patch by Shafik Yaghmour.

Differential Revision: https://reviews.llvm.org/D51445

llvm-svn: 341957

6 years ago[X86] Correct the one use check from r341915.
Craig Topper [Tue, 11 Sep 2018 16:05:03 +0000 (16:05 +0000)]
[X86] Correct the one use check from r341915.

The one use check should be on the bitcast, not the input to the bitcast.

llvm-svn: 341956

6 years agoReland "Implement a (simple) Markdown generator"
Julie Hockett [Tue, 11 Sep 2018 15:56:55 +0000 (15:56 +0000)]
Reland "Implement a (simple) Markdown generator"

Relanding with fixes to tests for the failing bots.

Differential Revision: https://reviews.llvm.org/D43424

llvm-svn: 341955

6 years ago[GVNHoist] Re-enable GVNHoist by default
Alexandros Lamprineas [Tue, 11 Sep 2018 15:55:45 +0000 (15:55 +0000)]
[GVNHoist] Re-enable GVNHoist by default

Rebase rL340922 since https://bugs.llvm.org/show_bug.cgi?id=38807
has been fixed by rL341947.

llvm-svn: 341954

6 years ago[DagCombine][NFC] Some more tests fo for X % C == 0 (UREM case) transform
Roman Lebedev [Tue, 11 Sep 2018 15:34:26 +0000 (15:34 +0000)]
[DagCombine][NFC] Some more tests fo for X % C == 0 (UREM case) transform

For https://reviews.llvm.org/D50222

Patch by: hermord (Dmytro Shynkevych)!

llvm-svn: 341953

6 years ago[MIPS] Fix illegal type assert in single-float mode
Simon Atanasyan [Tue, 11 Sep 2018 15:32:47 +0000 (15:32 +0000)]
[MIPS] Fix illegal type assert in single-float mode

An fp_to_sint node would be incorrectly lowered to a TruncIntFP node in
single-float mode. This would trigger an "Unexpected illegal type!"
assert.

Patch by Dan Ravensloft.

Differential revision: https://reviews.llvm.org/D51810

llvm-svn: 341952

6 years ago[SanitizerCoverage] Create comdat for global arrays.
Matt Morehouse [Tue, 11 Sep 2018 15:23:14 +0000 (15:23 +0000)]
[SanitizerCoverage] Create comdat for global arrays.

Summary:
Place global arrays in comdat sections with their associated functions.
This makes sure they are stripped along with the functions they
reference, even on the BFD linker.

Reviewers: eugenis

Reviewed By: eugenis

Subscribers: eraman, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D51902

llvm-svn: 341951

6 years ago[clangd] Add unittests for D51917
Kadir Cetinkaya [Tue, 11 Sep 2018 15:12:10 +0000 (15:12 +0000)]
[clangd] Add unittests for D51917

Reviewers: ilya-biryukov

Reviewed By: ilya-biryukov

Subscribers: ioeric, MaskRay, jkorous, arphaman, cfe-commits

Differential Revision: https://reviews.llvm.org/D51924

llvm-svn: 341950

6 years ago[CodeCompletion] Enable signature help when initializing class/struct/union members.
Kadir Cetinkaya [Tue, 11 Sep 2018 15:02:18 +0000 (15:02 +0000)]
[CodeCompletion] Enable signature help when initializing class/struct/union members.

Summary:
Factors out member decleration gathering and uses it in parsing to call signature
help. Doesn't support signature help for base class constructors, the code was too
coupled with diagnostic handling, but still can be factored out but just needs
more afford.

Reviewers: sammccall, ilya-biryukov, ioeric

Reviewed By: ilya-biryukov

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51917

llvm-svn: 341949

6 years agoSimplify.
Rui Ueyama [Tue, 11 Sep 2018 14:37:27 +0000 (14:37 +0000)]
Simplify.

Instead of Map<StringRef, bool>, we can simply use Set<StringRef>.

llvm-svn: 341948

6 years ago[MemorySSAUpdater] Avoid creating self-referencing MemoryDefs
Alexandros Lamprineas [Tue, 11 Sep 2018 14:29:59 +0000 (14:29 +0000)]
[MemorySSAUpdater] Avoid creating self-referencing MemoryDefs

Fix for https://bugs.llvm.org/show_bug.cgi?id=38807, which occurred
while compiling SemaTemplateInstantiate.cpp with clang and GVNHoist
enabled. In the following example:

      1=def(entry)
      /        \
2=def(1)       4=def(1)
3=def(2)       5=def(4)

When removing the MemoryDef 2=def(1) from its basic block, and just
before adding it to the end of the parent basic block, we first
replace all its uses with the defining memory access:

3=def(2) -> 3=def(1)

Then we call insertDef for adding 2=def(1) to the parent basic block,
where we replace the uses of 1=def(entry) with 2=def(1). Doing so we
create a self reference:

2=def(1) -> 2=def(2)  (bad)
3=def(1) -> 3=def(2)  (ok)
4=def(1) -> 4=def(2)  (ok)

Differential Revision: https://reviews.llvm.org/D51801

llvm-svn: 341947

6 years ago [PerfMonitor] Fix rdtscp callsites
Tobias Grosser [Tue, 11 Sep 2018 14:17:44 +0000 (14:17 +0000)]
 [PerfMonitor] Fix rdtscp callsites

Summary:
Update all rdtscp callsites in PerfMonitor so that they conform with the signature changes introduced in r341698.

Reviewers: grosser, bollu

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D51928

llvm-svn: 341946

6 years agopdb output: Initialize padding in PublicsStreamHeader.
Nico Weber [Tue, 11 Sep 2018 14:11:52 +0000 (14:11 +0000)]
pdb output: Initialize padding in PublicsStreamHeader.

Makes the produced pdbs more deterministic; before they'd contain 2 arbitary
bytes where this padding was.

Also reorder initialization to match the order of the fields in the struct (nfc)

llvm-svn: 341945

6 years agoMake malformed-machos.test pass on my Mac.
Nico Weber [Tue, 11 Sep 2018 14:10:33 +0000 (14:10 +0000)]
Make malformed-machos.test pass on my Mac.

For some reason, llvm-objdump defaults to -arch=i386 on this system while
the test checks x86_64 output. Explicitly pass -arch=x86_64.

llvm-svn: 341944

6 years ago[Hexagon] [Test] Remove undef and infinite loop from test
Roman Lebedev [Tue, 11 Sep 2018 14:06:14 +0000 (14:06 +0000)]
[Hexagon] [Test] Remove undef and infinite loop from test

Summary:
The undef and the infinite loop at the end cause this test to be translated
unpredictably. In particular, the checked-for `mpy` disappears under
certain legal optimizations (e.g. the one in D50222).
Since the use of these constructs is not relevant to the behavior tested,
according to the header comment, this change, suggested by @kparzysz,
eliminates them.

Was initially committed in r341046, but was reverted.

Patch by: hermord (Dmytro Shynkevych)!

Reviewers: kparzysz

Reviewed By: kparzysz

Subscribers: lebedev.ri, llvm-commits, kparzysz

Differential Revision: https://reviews.llvm.org/D50944

llvm-svn: 341943

6 years ago[PDB] Fix problems after rL341782
Aleksandr Urakov [Tue, 11 Sep 2018 14:03:12 +0000 (14:03 +0000)]
[PDB] Fix problems after rL341782

Summary:
This commit fixes following problems after rL341782:
- Broken SymbolFilePDBTests
- Warning on comparison of integers of different signs

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D51162

llvm-svn: 341942

6 years ago[ARM] Add smlald support in ARMParallelDSP
Sam Parker [Tue, 11 Sep 2018 14:01:22 +0000 (14:01 +0000)]
[ARM] Add smlald support in ARMParallelDSP

Search from i64 reducing phis, as well as i32, to allow the
generation of smlald instructions.

Differential Revision: https://reviews.llvm.org/D51101

llvm-svn: 341941

6 years agoPrint the correct error when our DynamicCheckerFunctions fail to install
Raphael Isemann [Tue, 11 Sep 2018 13:59:47 +0000 (13:59 +0000)]
Print the correct error when our DynamicCheckerFunctions fail to install

Summary:
The check is inverted here: If we have error messages, we should print those instead
of our default error message. But currently we print the default message when we
actually have a sensible error to print.

Fixes https://bugs.llvm.org/show_bug.cgi?id=38383
Thanks Nat for the patch!

Reviewers: #lldb, JDevlieghere

Reviewed By: JDevlieghere

Subscribers: JDevlieghere, lldb-commits

Differential Revision: https://reviews.llvm.org/D51602

llvm-svn: 341940

6 years ago[OPENMP] Simplified checks for declarations in declare target regions.
Alexey Bataev [Tue, 11 Sep 2018 13:59:10 +0000 (13:59 +0000)]
[OPENMP] Simplified checks for declarations in declare target regions.

Sema analysis should not mark functions as an implicit declare target,
it may break codegen. Simplified semantic analysis and removed extra
code for implicit declare target functions.

llvm-svn: 341939

6 years agoRemove unnecessary semicolon to silence -Wpedantic warning. NFCI.
Simon Pilgrim [Tue, 11 Sep 2018 13:42:15 +0000 (13:42 +0000)]
Remove unnecessary semicolon to silence -Wpedantic warning. NFCI.

llvm-svn: 341938

6 years agoStyle fix.
Rui Ueyama [Tue, 11 Sep 2018 13:41:58 +0000 (13:41 +0000)]
Style fix.

llvm-svn: 341937

6 years ago[AArch64] test codegen for unsigned saturated add; NFC
Sanjay Patel [Tue, 11 Sep 2018 13:21:28 +0000 (13:21 +0000)]
[AArch64] test codegen for unsigned saturated add; NFC

This is identical to the tests added for x86 at rL341845.
A semi-generic DAGCombine should improve things universally.

llvm-svn: 341935

6 years ago[MIPS] ORC JIT support
Petar Jovanovic [Tue, 11 Sep 2018 13:10:04 +0000 (13:10 +0000)]
[MIPS] ORC JIT support

This patch adds support for ORC JIT for mips/mips64 architecture.
In common code $static is changed to __ORCstatic because on MIPS
architecture "$" is a reserved character.

Patch by Luka Ercegovcevic

Differential Revision: https://reviews.llvm.org/D49665

llvm-svn: 341934

6 years ago[NFC][clangd] fix warning for extra semicolon
Jonas Toth [Tue, 11 Sep 2018 13:01:49 +0000 (13:01 +0000)]
[NFC][clangd] fix warning for extra semicolon

llvm-svn: 341933

6 years ago[ARM] Enable ARMCodeGenPrepare by default
Sam Parker [Tue, 11 Sep 2018 12:45:43 +0000 (12:45 +0000)]
[ARM] Enable ARMCodeGenPrepare by default

We've had the pass enabled downstream for a couple of weeks and it
seems to be okay, so enable it by default.

Differential Revision: https://reviews.llvm.org/D51920

llvm-svn: 341932

6 years ago[NFC] Fix compiler warning in TestArmv7Disassembly.cpp
Raphael Isemann [Tue, 11 Sep 2018 12:45:22 +0000 (12:45 +0000)]
[NFC] Fix compiler warning in TestArmv7Disassembly.cpp

The warning is
    comparison of integers of different signs: 'const int' and 'const unsigned long'
and triggered by
    EXPECT_EQ (num_of_instructions, inst_list.GetSize());
as num_of_instructions is an int in this comparison (and the RHS is size_t).

llvm-svn: 341931

6 years ago[python bindings] Expose getNumTemplateArguments
Jonathan Coe [Tue, 11 Sep 2018 12:44:52 +0000 (12:44 +0000)]
[python bindings] Expose getNumTemplateArguments

Expose the C bindings for clang_Type_getNumTemplateArguments() and
clang_Type_getTemplateArgumentAsType() in the python API.

Patch by kjteske (Kyle Teske).

Reviewed By: jbcoe

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51299

llvm-svn: 341930

6 years ago[clang-tidy] Insert absl::StrAppend when replacing StrCat.
Benjamin Kramer [Tue, 11 Sep 2018 12:19:45 +0000 (12:19 +0000)]
[clang-tidy] Insert absl::StrAppend when replacing StrCat.

There might be no using decl for StrAppend around, inserting the
qualified name is less likely to break things.

llvm-svn: 341929

6 years ago[AMDGPU] Preliminary patch for divergence driven instruction selection. Immediate...
Alexander Timofeev [Tue, 11 Sep 2018 11:56:50 +0000 (11:56 +0000)]
[AMDGPU] Preliminary patch for divergence driven instruction selection. Immediate selection predicate changed
Differential revision: https://reviews.llvm.org/D51734
Reviewers: rampitec

llvm-svn: 341928

6 years ago[FuncAttrs] Remove "access range attributes" for read-none functions
Johannes Doerfert [Tue, 11 Sep 2018 11:51:29 +0000 (11:51 +0000)]
[FuncAttrs] Remove "access range attributes" for read-none functions

The presence of readnone and an access range attribute (argmemonly,
inaccessiblememonly, inaccessiblemem_or_argmemonly) is considered an
error by the verifier. This seems strict but also not wrong. This
patch makes sure function attribute detection will remove all access
range attributes for readnone functions.

llvm-svn: 341927

6 years ago[LoopInfo] Fix Loop::getLoopID() for loops with multiple latches
Johannes Doerfert [Tue, 11 Sep 2018 11:44:17 +0000 (11:44 +0000)]
[LoopInfo] Fix Loop::getLoopID() for loops with multiple latches

The previous implementation traversed all loop blocks and bailed if one
was not a latch block. Since we are only interested in latch blocks, we
should only traverse those.

llvm-svn: 341926

6 years ago[clang-tidy] Add a missing comma after "flags"
Benjamin Kramer [Tue, 11 Sep 2018 10:37:08 +0000 (10:37 +0000)]
[clang-tidy] Add a missing comma after "flags"

llvm-svn: 341925

6 years ago[Msan] Fix unit test linkage issue on FreeBSD
David Carlier [Tue, 11 Sep 2018 10:35:32 +0000 (10:35 +0000)]
[Msan] Fix unit test linkage issue on FreeBSD

Fix typical relocation linkage issue.

Reviwewers: dim, emaste

Reviewed By: krytarowski

Differential Revision: https://reviews.llvm.org/D51681

llvm-svn: 341924

6 years ago[clangd] NFC: Use uint32_t for FuzzyFindRequest limits
Kirill Bobyrev [Tue, 11 Sep 2018 10:31:38 +0000 (10:31 +0000)]
[clangd] NFC: Use uint32_t for FuzzyFindRequest limits

Reviewed By: ioeric

Differential Revision: https://reviews.llvm.org/D51860

llvm-svn: 341921

6 years ago[mips] Add a pattern for 64-bit GPR variant of the `rdhwr` instruction
Simon Atanasyan [Tue, 11 Sep 2018 09:57:25 +0000 (09:57 +0000)]
[mips] Add a pattern for 64-bit GPR variant of the `rdhwr` instruction

MIPS ISAs start to support third operand for the `rdhwr` instruction
starting from Revision 6. But LLVM generates assembler code with
three-operands version of this instruction on any MIPS64 ISA. The third
operand is always zero, so in case of direct code generation we get
correct code.

This patch fixes the bug by adding an instruction alias. The same alias
already exists for 32-bit ISA.

Ideally, we also need to reject three-operands version of the `rdhwr`
instruction in an assembler code if ISA revision is less than 6. That is
a task for a separate patch.

This fixes PR38861 (https://bugs.llvm.org/show_bug.cgi?id=38861)

Differential revision: https://reviews.llvm.org/D51773

llvm-svn: 341919

6 years ago[NFC] Sanitizing asserts for OrderedBasicBlock
Max Kazantsev [Tue, 11 Sep 2018 08:46:19 +0000 (08:46 +0000)]
[NFC] Sanitizing asserts for OrderedBasicBlock

llvm-svn: 341917

6 years ago[X86] In combineMOVMSK, look through int->fp bitcasts before callling SimplifyDemande...
Craig Topper [Tue, 11 Sep 2018 08:20:02 +0000 (08:20 +0000)]
[X86] In combineMOVMSK, look through int->fp bitcasts before callling SimplifyDemandedBits.

MOVMSKPS and MOVMSKPD both take FP types, but likely the operations before it are on integer types with just a int->fp bitcast between them. If the bitcast isn't used by anything else and doesn't change the element width we can look through it to simplify the integer ops.

llvm-svn: 341915

6 years ago[XRay] Ensure lambda outlives llvm::function_ref
Dean Michael Berris [Tue, 11 Sep 2018 08:03:30 +0000 (08:03 +0000)]
[XRay] Ensure lambda outlives llvm::function_ref

Follow-up to D51912.

llvm-svn: 341912

6 years ago[Tooling] Restore working dir in ClangTool.
Ilya Biryukov [Tue, 11 Sep 2018 07:29:09 +0000 (07:29 +0000)]
[Tooling] Restore working dir in ClangTool.

Summary:
And add an option to disable this behavior. The option is only used in
AllTUsExecutor to avoid races when running concurrently on multiple
threads.

This fixes PR38869 introduced by r340937.

Reviewers: ioeric, steveire

Reviewed By: ioeric

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D51864

llvm-svn: 341910

6 years ago[XRay] Write the TSC along with CPUID
Dean Michael Berris [Tue, 11 Sep 2018 07:27:59 +0000 (07:27 +0000)]
[XRay] Write the TSC along with CPUID

Fixes builds in non-little-endian systems.

This is a follow-up to D51911.

llvm-svn: 341909

6 years ago[X86] Add test cases inspired by PR38840.
Craig Topper [Tue, 11 Sep 2018 07:23:29 +0000 (07:23 +0000)]
[X86] Add test cases inspired by PR38840.

These are test cases inspired by sequences like below for extracting the same bit from every vector element and checking for all zeros/ones.

define i1 @and256_x8(<8 x i32>) {
    %a = trunc <8 x i32> %0 to <8 x i1>
    %b = bitcast <8 x i1> %a to i8
    %d = icmp eq i8 %b, -1
    ret i1 %d
}

This is what the above looks like after InstCombine.

define i1 @and256_x8_opt(<8 x i32>) {
  %2 = and <8 x i32> %0, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1>
  %a = icmp ne <8 x i32> %2, zeroinitializer
  %b = bitcast <8 x i1> %a to i8
  %d = icmp eq i8 %b, -1
  ret i1 %d
}

llvm-svn: 341908

6 years agoMake test more robust in case the expected output appears in clang version string.
Douglas Yung [Tue, 11 Sep 2018 06:48:45 +0000 (06:48 +0000)]
Make test more robust in case the expected output appears in clang version string.

llvm-svn: 341907

6 years ago[XRay] Use FDR Records+Visitors for Trace Loading
Dean Michael Berris [Tue, 11 Sep 2018 06:45:59 +0000 (06:45 +0000)]
[XRay] Use FDR Records+Visitors for Trace Loading

Summary:
In this change, we overhaul the implementation for loading
`llvm::xray::Trace` objects from files by using the combination of
specific FDR Record types and visitors breaking up the logic to
reconstitute an execution trace from flight-data recorder mode traces.

This change allows us to handle out-of-temporal order blocks as written
in files, and more consistently recreate an execution trace spanning
multiple blocks and threads. To do this, we use the `WallclockRecord`
associated with each block to maintain temporal order of blocks, before
attempting to recreate an execution trace.

The new addition in this change is the `TraceExpander` type which can be
thought of as a decompression/decoding routine. This allows us to
maintain the state of an execution environment (thread+process) and
create `XRayRecord` instances that fit nicely into the `Trace`
container. We don't have a specific unit test for the TraceExpander
type, since the end-to-end tests for the `llvm-xray convert` tools
already cover precisely this codepath.

This change completes the refactoring started with D50441.

Depends on D51911.

Reviewers: mboerger, eizan

Subscribers: mgorny, hiraditya, mgrang, llvm-commits

Differential Revision: https://reviews.llvm.org/D51912

llvm-svn: 341906

6 years ago[XRay] Add TSC to NewCPUId Records
Dean Michael Berris [Tue, 11 Sep 2018 06:36:51 +0000 (06:36 +0000)]
[XRay] Add TSC to NewCPUId Records

Summary:
This more correctly reflects the data written by the FDR mode runtime.

This is a continuation of the work in D50441.

Reviewers: mboerger, eizan

Subscribers: hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D51911

llvm-svn: 341905

6 years ago[NFC] Specify test's option to reduce reliance on defaults
Max Kazantsev [Tue, 11 Sep 2018 06:34:43 +0000 (06:34 +0000)]
[NFC] Specify test's option to reduce reliance on defaults

llvm-svn: 341904

6 years ago[ASan] [Windows] Remove const from _msize function declaration parameter
Martin Storsjo [Tue, 11 Sep 2018 06:07:32 +0000 (06:07 +0000)]
[ASan] [Windows] Remove const from _msize function declaration parameter

This function isn't declared with a const parameter anywhere; neither
in MSVC (neither in ucrt or in older msvcrt versions) nor in mingw-w64.

Differential Revision: https://reviews.llvm.org/D51876

llvm-svn: 341903

6 years ago[Modules] Add imported modules to the output of -module-file-info
Bruno Cardoso Lopes [Tue, 11 Sep 2018 05:17:13 +0000 (05:17 +0000)]
[Modules] Add imported modules to the output of -module-file-info

Fix a bug in the deserialization of IMPORTS section and allow for
imported modules to also be printed with -module-file-info.

rdar://problem/43867753

llvm-svn: 341902

6 years ago[NFC] Rename variable
Max Kazantsev [Tue, 11 Sep 2018 05:10:01 +0000 (05:10 +0000)]
[NFC] Rename variable

llvm-svn: 341901

6 years agoNCF: use bit_cast in IntervalMap
JF Bastien [Tue, 11 Sep 2018 04:52:21 +0000 (04:52 +0000)]
NCF: use bit_cast in IntervalMap

This use is sketchy because it basically reinterprets a pointer to another pointer, but right now it's hiding in a union. After this change it'll be easy to grep for bit_cast of a pointer and un-sketch things if we want. This patch therefore obeys the law of conservation of sketch, with minor improvement.

llvm-svn: 341900

6 years ago[XRay] Add missing LLVMTestingSupport target_link_libraries
Heejin Ahn [Tue, 11 Sep 2018 04:48:08 +0000 (04:48 +0000)]
[XRay] Add missing LLVMTestingSupport target_link_libraries

Without this builds with `-DLLVM_LINK_LLVM_DYLIB=ON` fail.

llvm-svn: 341899

6 years agoAMDGPU: Fix r600 test
Matt Arsenault [Tue, 11 Sep 2018 04:39:16 +0000 (04:39 +0000)]
AMDGPU: Fix r600 test

llvm-svn: 341898

6 years agoNFC: use bit_cast more in AArch64AddressingModes
JF Bastien [Tue, 11 Sep 2018 04:08:05 +0000 (04:08 +0000)]
NFC: use bit_cast more in AArch64AddressingModes

The was previously committed as r341749 then reverted as r341750 because
bit_cast needed to do its own thing to check is_trivially_copyable on GCC 4.x.
This is now done and std;:array should now get accepted.

llvm-svn: 341897

6 years ago[LICM] Avoid duplicate work during building AliasSetTracker
Serguei Katkov [Tue, 11 Sep 2018 04:07:36 +0000 (04:07 +0000)]
[LICM] Avoid duplicate work during building AliasSetTracker

Currently we re-use cached info from sub loops or traverse them
to populate AliasSetTracker. But after that we traverse all basic blocks
from the current loop. This is redundant work.

All what we need is traversing the all basic blocks from the loop except
those which are used to get the data from the cache.

This should improve compile time only.

Reviewers: mkazantsev, reames, kariddi, anna
Reviewed By: reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D51715

llvm-svn: 341896

6 years agoAMDGPU: Remove leftovers from configurable address spaces
Matt Arsenault [Tue, 11 Sep 2018 04:00:49 +0000 (04:00 +0000)]
AMDGPU: Remove leftovers from configurable address spaces

llvm-svn: 341895

6 years agoAMDGPU: Don't error on out of bounds address spaces
Matt Arsenault [Tue, 11 Sep 2018 04:00:41 +0000 (04:00 +0000)]
AMDGPU: Don't error on out of bounds address spaces

We should never abort on valid IR. The most reasonable
interpretation of an arbitrary address space pointer is
probably some kind of special subset of global memory.

llvm-svn: 341894

6 years ago[IndVars][NFC] Refactor to make modifications of Changed transparent
Max Kazantsev [Tue, 11 Sep 2018 03:57:22 +0000 (03:57 +0000)]
[IndVars][NFC] Refactor to make modifications of Changed transparent

IndVarSimplify's design is somewhat odd in the way how it reports that
some transform has made a change. It has a `Changed` field which can
be set from within any function, which makes it hard to track whether or
not it was set properly after a transform was made. It leads to oversights
in setting this flag where needed, see example in PR38855.

This patch removes the `Changed` field, turns it into a local and unifies
the signatures of all relevant transform functions to return boolean value
which designates whether or not this transform has made a change.

Differential Revision: https://reviews.llvm.org/D51850
Reviewed By: skatkov

llvm-svn: 341893

6 years ago[LICM] (re-)simplify code using MemoryLocation API [NFC]
Philip Reames [Tue, 11 Sep 2018 03:28:28 +0000 (03:28 +0000)]
[LICM] (re-)simplify code using MemoryLocation API [NFC]

I'd made exactly this same change before, but it appears to have been accidentally reverted in another change.  (I'm assuming accidental since it was without comment or test case, and in an unrelated change.)

llvm-svn: 341892

6 years agoRevert "Revert "[clang-tidy] Handle unresolved expressions in ExprMutationAnalyzer""
Shuai Wang [Tue, 11 Sep 2018 02:23:35 +0000 (02:23 +0000)]
Revert "Revert "[clang-tidy] Handle unresolved expressions in ExprMutationAnalyzer""

This is the same as D50619 plus fixes for buildbot failures on windows.
The test failures on windows are caused by -fdelayed-template-parsing
and is fixed by forcing -fno-delayed-template-parsing on test cases that
requires AST for uninstantiated templates.

llvm-svn: 341891

6 years agollvm-symbolizer: Fix bug related to TUs interfering with symbolizing
David Blaikie [Tue, 11 Sep 2018 02:04:45 +0000 (02:04 +0000)]
llvm-symbolizer: Fix bug related to TUs interfering with symbolizing

With the merge of TUs and CUs into a single container, some code that
relied on the CU range having an ordered range of contiguous addresses
(for locating a CU at a given offset) broke. But the units from
debug_info (currently only CUs, but CUs and TUs in DWARFv5) are in a
contiguous sub-range of that container - searching only through that
subrange is still valid & so do that.

llvm-svn: 341889

6 years agoPrevent Constant Folding From Optimizing inrange GEP
Peter Collingbourne [Tue, 11 Sep 2018 01:53:36 +0000 (01:53 +0000)]
Prevent Constant Folding From Optimizing inrange GEP

This patch does the following things:

1. update SymbolicallyEvaluateGEP so that it bails out if it cannot preserve inrange arribute;
2. update llvm/test/Analysis/ConstantFolding/gep.ll to remove UB in it;
3. remove inaccurate comment above ConstantFoldInstOperandsImpl in llvm/lib/Analysis/ConstantFolding.cpp;
4. add a new regression test that makes sure that no optimizations change an inrange GEP in an unexpected way.

Patch by Zhaomo Yang!

Differential Revision: https://reviews.llvm.org/D51698

llvm-svn: 341888

6 years ago[XRay] Add the `llvm-xray fdr-dump` implementation
Dean Michael Berris [Tue, 11 Sep 2018 00:22:53 +0000 (00:22 +0000)]
[XRay] Add the `llvm-xray fdr-dump` implementation

Summary:
In this change, we implement a `BlockPrinter` which orders records in a
Block that's been indexed by the `BlockIndexer`. This is used in the
`llvm-xray fdr-dump` tool which ties together the various types and
utilities we've been working on, to allow for inspection of XRay FDR
mode traces both with and without verification.

This change is the final step of the refactoring of D50441.

Reviewers: mboerger, eizan

Subscribers: mgorny, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D51846

llvm-svn: 341887

6 years agoRevert "[clang-tidy] Handle unresolved expressions in ExprMutationAnalyzer"
Shuai Wang [Mon, 10 Sep 2018 23:58:04 +0000 (23:58 +0000)]
Revert "[clang-tidy] Handle unresolved expressions in ExprMutationAnalyzer"

Summary:
Tests somehow break on windows (and only on windows)
http://lab.llvm.org:8011/builders/clang-x64-ninja-win7/builds/13003
http://lab.llvm.org:8011/builders/clang-x86-windows-msvc2015/builds/13747

I have yet figure out why so reverting to unbreak first.

Reviewers: george.karpenkov

Subscribers: xazax.hun, a.sidorin, Szelethus, cfe-commits

Differential Revision: https://reviews.llvm.org/D51898

llvm-svn: 341886

6 years agoAdd REQUIRES line to machine-size-remarks
Jessica Paquette [Mon, 10 Sep 2018 23:53:08 +0000 (23:53 +0000)]
Add REQUIRES line to machine-size-remarks

Just was made aware that this is necessary for tests outside of
the X86 subdirectory. Add a REQUIRES line to make sure bots that
don't enable x86 are happy.

llvm-svn: 341885

6 years ago[InstCombine] Add testcases for (mul (sext x), cst) --> (sext (mul x, cst')) and...
Craig Topper [Mon, 10 Sep 2018 23:48:21 +0000 (23:48 +0000)]
[InstCombine] Add testcases for (mul (sext x), cst) --> (sext (mul x, cst')) and (mul (zext x), cst) --> (zext (mul x, cst')) for vectors constants.

If the multiply won't overflow in the original type we can use a smaller mul and sign extend afterwards. We don't currently support this for vector constants.

llvm-svn: 341884

6 years ago[InstCombine] Partially revert rL341674 due to PR38897.
Alina Sbirlea [Mon, 10 Sep 2018 23:47:21 +0000 (23:47 +0000)]
[InstCombine] Partially revert rL341674 due to PR38897.

Summary:
Revert min/max changes in rL341674 dues to high compile times causing timeouts (PR38897).
Checking in to unblock failing builds. Patch available for post-commit review and re-revert once resolved.
Working on a smaller reproducer for PR38897.

Reviewers: craig.topper, spatel

Subscribers: sanjoy, jlebar, llvm-commits

Differential Revision: https://reviews.llvm.org/D51897

llvm-svn: 341883

6 years agoExplicitly state triple in machine-size-remarks.ll
Jessica Paquette [Mon, 10 Sep 2018 23:30:53 +0000 (23:30 +0000)]
Explicitly state triple in machine-size-remarks.ll

A bot was unhappy with the x86 triple there before. Set it explicitly to
x86_64-apple-darwin just to get something consistent.

Example failure:
http://lab.llvm.org:8011/builders/llvm-hexagon-elf/builds/16846

llvm-svn: 341882

6 years agoUndoing first commit which added a space to a comment
Shafik Yaghmour [Mon, 10 Sep 2018 23:18:32 +0000 (23:18 +0000)]
Undoing first commit which added a space to a comment

llvm-svn: 341881

6 years ago[AST] Add test coverage of memsets
Philip Reames [Mon, 10 Sep 2018 23:14:30 +0000 (23:14 +0000)]
[AST] Add test coverage of memsets

Immediately after posting https://reviews.llvm.org/D51895, I noticed a small bug.  These tests would have caught that.

llvm-svn: 341880