llvm-svn: 210219

llvm-svn: 210218

They should be initialized when they're exported.

Differential Revision: http://reviews.llvm.org/D4020

llvm-svn: 210217

llvm-svn: 210216

We would previously assert here when trying to figure out the section
for the global.

This makes us handle the situation more gracefully since the IR isn't
malformed.

Differential Revision: http://reviews.llvm.org/D4022

llvm-svn: 210215

llvm-svn: 210214

lldb-gdbserver and NativeProcessProtocol will use MemoryRegionInfo
but don't want to pull in Process.h.  Pull this declaration and
definition out into its own header.

llvm-svn: 210213

Share mode code between these functions and re-structure them in a way
which shows how similar they actually are. The latter function works well
with literals of multi-byte chars and does a GlobalVariable name mangling
(if global strings are non-writable).

No functionality change.

llvm-svn: 210212

allows allocations and deallocations to be optimized out.

llvm-svn: 210211

Signals may result in nanosleep returning with only some of the
requested sleeping performed.

Utilize nanosleep's "time-remaining" out parameter to continue sleeping
when this occurs.

llvm-svn: 210210

llvm-svn: 210208

llvm-svn: 210206

Thanks to rnk for the suggestion.

llvm-svn: 210205

llvm-svn: 210204

llvm-svn: 210203

llvm-svn: 210202

When JITting a large project such as Boost it's quite hard to figure out the problematic inline asm without debug location. This patch provides debug location printout before the JIT aborts due to inline asm. printDebugLoc() was exposed from MachineInstr.cpp and reused here.

If the JIT run with debug info, don't bomb on DBG_VALUE but ignore them.

http://reviews.llvm.org/D3416

llvm-svn: 210201

XFAIL: test/DebugInfo/missing-abstract-variable.ll on mips and ppc64 due to an inlined parameter that goes missing.

llvm-svn: 210200

Based on a patch by Stephan Bergmann.

llvm-svn: 210199

Tested for compatibility with VS2013.

llvm-svn: 210198

Straightforward implementation of UDLs, it's compatible with VS "14".

This nearly completes our implementation of C++ name mangling for the
MS-ABI.

llvm-svn: 210197

Added two new tests: one to verify that a test exe heap address
returned is readable and writeable, and a similar one to verify
a test exe stack address is readable and writeable.

Ran the main.cpp test exe code through the Xcode re-indenter.
I was using TextMate to edit the test's C++ code alongside the
Python code but last check-in found that it was not handling
tabs/indentation the way I am intending it.

Modified test exe to require C++11.

Refactored gdb remote python code's handling of memory region
info into more re-usable methods.

llvm-svn: 210196

The maximum alignment on arm is 8, not 16 like on x86. Use alignof(max_align_t)
to make the test work in both cases.

llvm-svn: 210195

Add parenthesis as suggested by GCC.

llvm-svn: 210194

Case insensitive case preserving file systems are not a good choice for
development.

llvm-svn: 210193

Add support to llvm-readobj to decode Windows ARM Exception Handling data.  This
uses the previously added datastructures to decode the information into a format
that can be used by tests.  This is a necessary step to add support for emitting
Windows on ARM exception handling information.

A fair amount of formatting inspiration is drawn from the Win64 EH printer as
well as the ARM EHABI printer.  This allows for a reasonably thorough look into
the encoded data.

llvm-svn: 210192

Add a helper print method to print a boolean value as "Yes" or "No".  This is
intended to be used by the Windows ARM EH printer.

llvm-svn: 210191

This is purely a documentation/whitespace cleanup for the format support
functions.

The current style does not duplicate the function/class names in the
documentation; conform to this style.

Additionally, there was a large amount of duplication of comments that added no
real value.  Use block comments for the related sets of functions which are used
for type deduction and parameter container classes.

No functional change.

llvm-svn: 210190

Replicate the fact that ARM::WinEH::RuntimeFunction purposefully does not merge
functions to accommodate raw data access use cases in tools such as readobj.
Pointed out by Renato during post-commit review.

No functional change.

llvm-svn: 210189

libc++ currently relies on undefined initialization order of global
initializers when using gcc:

1. __start_std_streams in iostream.cpp calls locale::id::_init, which assigns
   an id to each locale::facet in an initializer

2. Every facet has a static locale::id id, whose constructor sets the facet's
   id to 0

If 2 runs after 1, it clobbers the facet's assigned consecutive id, causing
exceptions to be thrown when e.g. running code like "cout << endl".

To fix this, let _LIBCPP_CONSTEXPR evaluate to "constexpr" instead of nothing
with gcc.  locale::id's constructor is marked _LIBCPP_CONSTEXPR, which ensures
that it won't get an initializer that could potentially run after the
iostream.cpp initializer. (This remains broken when building with msvc.)

Also switch constexpr-specific code in bitset to use __SIZEOF_SIZE_T__ instead
of __SIZE_WIDTH__, because gcc doesn't define the latter.

Pair-programmed/debugged with Dana Jansens.

llvm-svn: 210188

Added test stub for collecting a code, heap and stack address.

Added test to verify that the code address returns a readable,
executable memory region and that the memory region range
was indeed the one that the code belonged to.

llvm-svn: 210187

This patch implements two things:

1. If we know one number is positive and another is negative, we return true as
    signed addition of two opposite signed numbers will never overflow.

2. Implemented TODO : If one of the operands only has one non-zero bit, and if
    the other operand has a known-zero bit in a more significant place than it
    (not including the sign bit) the ripple may go up to and fill the zero, but
    won't change the sign. e.x -  (x & ~4) + 1

We make sure that we are ignoring 0 at MSB.

Patch by Suyog Sarda.

llvm-svn: 210186

llvm-svn: 210185

Parsing this clause, allowing it on directive ‘omp simd’ and semantic checks.

llvm-svn: 210184

These are commonly used to structure things like enums or long braced
lists. There doesn't seem to be a good reason to have the behavior in
such structures be different from the behavior between statements.

llvm-svn: 210183

No change in functionality.

llvm-svn: 210182

Variable names should start with an upper case letter.

No change in functionality.

llvm-svn: 210181

Reset coverage data on fork().
For memory-mapped mode (coverage_direct=1) this helps avoid loss of data
(before this change two processes would write to the same file simultaneously).
For normal mode, this reduces coverage dump size, because PCs from the parent
process are no longer inherited by the child.

llvm-svn: 210180

We do this currently only for test cases where we have integer offsets that
clearly access array dimensions out-of-bound.

-;   for (long i = 0; i < n; i++)
-;     for (long j = 0; j < m; j++)
-;       for (long k = 0; k < o; k++)
+;   for (long i = 0; i < n - 3; i++)
+;     for (long j = 4; j < m; j++)
+;       for (long k = 0; k < o - 7; k++)
 ;         A[i+3][j-4][k+7] = 1.0;

This will be helpful if we later want to simplify the access functions under the
assumption that they do not access memory out of bounds.

llvm-svn: 210179

llvm-svn: 210178