llvm-svn: 210041

Patch by Rahul Jain.

llvm-svn: 210040

llvm-svn: 210039

Instrumentation passes now use attributes
address_safety/thread_safety/memory_safety which are added by Clang frontend.
Clang parses the blacklist file and adds the attributes accordingly.

Currently blacklist is still used in ASan module pass to disable instrumentation
for certain global variables. We should fix this as well by collecting the
set of globals we're going to instrument in Clang and passing it to ASan
in metadata (as we already do for dynamically-initialized globals and init-order
checking).

This change also removes -tsan-blacklist and -msan-blacklist LLVM commandline
flags in favor of -fsanitize-blacklist= Clang flag.

llvm-svn: 210038

Instrumentation passes now use attributes
address_safety/thread_safety/memory_safety which are added by Clang frontend.
Clang parses the blacklist file and adds the attributes accordingly.

Currently blacklist is still used in ASan module pass to disable instrumentation
for certain global variables. We should fix this as well by collecting the
set of globals we're going to instrument in Clang and passing it to ASan
in metadata (as we already do for dynamically-initialized globals and init-order
checking).

This change also removes -tsan-blacklist and -msan-blacklist LLVM commandline
flags in favor of -fsanitize-blacklist= Clang flag.

llvm-svn: 210037

See http://reviews.llvm.org/D3904 for details.

Change by Scott Graham.

llvm-svn: 210036

See http://reviews.llvm.org/D3944 for more details.

Change by Zachary Turner.

llvm-svn: 210035

llvm-svn: 210034

llvm-svn: 210033

When lowering a ISD::BRCOND into a test+branch, make sure that we
always use the correct condition code to emit the test operation.

This fixes PR19858: "i8 checked mul is wrong on x86".

Patch by Keno Fisher!

llvm-svn: 210032

llvm-svn: 210031

[ASan Win] Manually call __asan_init early in the DLL initialization process to avoid a null function call in cout/cerr constructors

llvm-svn: 210030

We already had a function for checking this, we were just using it only in
specialized cases.

llvm-svn: 210029

llvm-svn: 210028

llvm-svn: 210027

function parameter. One of our existing test cases was XFAILed because
of this. This fixes the issue and un-XFAILs the test.

llvm-svn: 210026

Patch by Jack Howarth!

llvm-svn: 210025

The alternative (writing coverage at process exit) is nearly useless there.

llvm-svn: 210024

MSan is no longer an "early prototype".

llvm-svn: 210023

Looks like it was only used by dejagnu and is now dead.

llvm-svn: 210022

[AArch64] Add some more regression tests for store pre-index update folding in the load/store optimizer.

Add tests for the following transform:

 add x8, x8, #16
  ...
 str X, [x8]
  ->
 str X, [x8, #16]!

with X being either w0, x0, s0, d0 or q0.

llvm-svn: 210021

llvm-svn: 210020

Other tests in this directory use this type, so it's probably copypasta from
there.

(test_buf only forwards to the superclass in all tests where it's used though,
so I wonder if it can be replaced with just using filebuf / wfilebuf
everywhere?)

llvm-svn: 210019

[AArch64] Add some more regression tests for load pre-index update folding in the load/store optimizer.

Add tests for the following transform:

 add x8, x8, #16
  ...
 ldr X, [x8]
  ->
 ldr X, [x8, #16]!

with X being either w0, x0, s0, d0 or q0.

llvm-svn: 210018

There is a pattern where evaluation order is used as control flow.
This patch special-cases a commonly occuring version of this pattern.

Before:
  Aaaaa *aaa = nullptr;
  // ...
  aaa &&aaa->f();

After:
  Aaaaa *aaa = nullptr;
  // ...
  aaa && aaa->f();

llvm-svn: 210017

llvm-svn: 210016

llvm-svn: 210015

llvm-svn: 210014

Before:
  auto j = decltype(i) {};

After:
  auto j = decltype(i){};

This fixes llvm.org/PR19892.

llvm-svn: 210013

llvm-svn: 210012

Before:
  enum Side
  { LEFT,
    RIGHT };

After:
  enum Side
  {
    LEFT,
    RIGHT
  };

This fixes llvm.org/PR19911.

llvm-svn: 210011

Before:
  void someLongFunction(int someLongParameter)
      const
  {
  }

After:
  void someLongFunction(
      int someLongParameter) const
  {
  }

This fixes llvm.org/PR19912.

llvm-svn: 210010

llvm-svn: 210009

Reference::target() never returns a nullptr, so NULL check
is not needed and is more harmful than doing nothing.
No functionality change.

llvm-svn: 210008

This patch can handles following cases from http://nondot.org/sabre/LLVMNotes/InstCombine.txt
  "((1 << X) & 7) == 0" ==> "X > 2"
  "((1 << X) & 7) != 0" ==> "X < 3".

Differential Revision: http://reviews.llvm.org/D3678

llvm-svn: 210007

if ((x & C) == 0) x |= C becomes x |= C
if ((x & C) != 0) x ^= C becomes x &= ~C
if ((x & C) == 0) x ^= C becomes x |= C
if ((x & C) != 0) x &= ~C becomes x &= ~C
if ((x & C) == 0) x &= ~C becomes nothing

Differential Revision: http://reviews.llvm.org/D3777

llvm-svn: 210006

llvm-svn: 210005

No functional changes.

llvm-svn: 210004

Amend r210001 to use the classic fallback order behaviour if the requested
graphing program isn't found.

llvm-svn: 210003

Preparation for <string_view>. More helper functions that can be shared between <string> and <string_view>. No functionality change

llvm-svn: 210002