o int_to_bytearray()
o bytearray_to_int()

They return/interpret the bytearray in the little endian format.
For big endian, simply perform ba.reverse() on the bytearray object.

And modify TestProcessAPI.py to take advantage of the functions.

llvm-svn: 126813

This fixes PR9259.

llvm-svn: 126812

llvm-svn: 126811

llvm-svn: 126810

Simplify the signature - The return value and ParentVNI are no longer needed.

llvm-svn: 126809

template specialization types. This also required some parser tweaks,
since we were losing track of the nested-name-specifier's source
location information in several places in the parser. Other notable
changes this required:

  - Sema::ActOnTagTemplateIdType now type-checks and forms the
    appropriate type nodes (+ source-location information) for an
    elaborated-type-specifier ending in a template-id. Previously, we
    used a combination of ActOnTemplateIdType and
    ActOnTagTemplateIdType that resulted in an ElaboratedType wrapped
    around a DependentTemplateSpecializationType, which duplicated the
    keyword ("class", "struct", etc.) and nested-name-specifier
    storage.

  - Sema::ActOnTemplateIdType now gets a nested-name-specifier, which
    it places into the returned type-source location information.

  - Sema::ActOnDependentTag now creates types with source-location
    information.

llvm-svn: 126808

Add code to emulate LDRSH (immediate) Arm instruction.

llvm-svn: 126807

llvm-svn: 126806

llvm-svn: 126805

retrieve the underlying getOperandNo() value.

llvm-svn: 126804

This method could probably be used by LiveIntervalAnalysis::shrinkToUses, and
now it can use extendIntervalEndTo() which coalesces ranges.

llvm-svn: 126803

Add code to emulate LDRSB (register) Arm instruction.

llvm-svn: 126802

llvm-svn: 126801

The value map is currently not used, all values are 'complex mapped' and
LiveIntervalMap::mapValue is used to dig them out.

This is the first step in a series changes leading to the removal of
LiveIntervalMap. Its data structures can be shared among all the live intervals
created by a split, so it is wasteful to create a copy for each.

llvm-svn: 126800

Local live range splitting is better driven by interference. This code was just
guessing.

llvm-svn: 126799

This is a waste of time since we already know how to evict all interferences
which is a better approach anyway.

llvm-svn: 126798

llvm-svn: 126797

Patch by Erik Olofsson!

llvm-svn: 126796

This fixes few blocks.exp regressions.

llvm-svn: 126795

llvm-svn: 126794

Today, the language front ends produces llvm.dbg.* intrinsics, used to encode arguments' debug info, in order any way, most of the times. However, if a front end mix-n-matches llvm.dbg.declare and llvm.dbg.value intrinsics to encode debug info for arguments then code generator needs a way to find argument order.

Use 8 bits from line number field to keep track of argument ordering while encoding debug info for an argument. That leaves 24 bit for line no, DebugLoc also allocates 24 bit for line numbers. If a function has more than 255 arguments then rest of the arguments will be ordered by llvm.dbg.* intrinsics' ordering in IR.

llvm-svn: 126793

among other SBProcess APIs, to write (int)256 into a memory location of a global variable
(int)my_int and reads/checks the variable afterwards.

llvm-svn: 126792

compare it with getDriver().Dir.c_str(), since that is a pointer
comparison, not a "are these strings equal" comparison.

Instead, just compare with getDriver().Dir directly, so both sides will
get promoted to std::string, and the regular std::string comparison
operator applies.

Patch by Dimitry Andric!

llvm-svn: 126791

On the first cmake run before the caches has been updated with the
default options, options defined after HandleLLVMOptions are always
treated as off inside HandleLLVMOptions.

Patch by Erik Olofsson!

llvm-svn: 126790

Add code to emulate LDRSB (literal) Arm instruction.

llvm-svn: 126789

llvm-svn: 126788

which constructs a diagnostic with no line to show.

llvm-svn: 126787

llvm-svn: 126786

llvm-svn: 126785

a StringRef, for the benefit of clients that want the result as a
nul-terminated string. Clients that expect a StringRef will get one via
the implicit conversion.

llvm-svn: 126784

Add code to emulate LDRSB (immediate) Arm instruction.

llvm-svn: 126783

addressing code. On 403.gcc this almost halves CodeGenPrepare time and reduces
total llc time by 9.5%. Unfortunately, getNumUses() is still the hottest function
in llc.

llvm-svn: 126782

This effectively disables the 'turbo' functionality of the greedy register
allocator where all new live ranges created by splitting would be reconsidered
as if they were originals.

There are two reasons for doing this, 1. It guarantees that the algorithm
terminates. Early versions were prone to infinite looping in certain corner
cases. 2. It is a 2x speedup. We can skip a lot of unnecessary interference
checks that won't lead to good splitting anyway.

The problem is that region splitting only gets one shot, so it should probably
be changed to target multiple physical registers at once.

Local live range splitting is still 'turbo' enabled. It only accounts for a
small fraction of compile time, so it is probably not necessary to do anything
about that.

llvm-svn: 126781

llvm-svn: 126780

Don't warn about unused values in ternary ?: expressions unless both the LHS and RHS are "unused" (side-effect free).

Patch by Justin Bogner!  Fixes PR 8282.

llvm-svn: 126779

template specialization types. There are still a few rough edges to
clean up with some of the parser actions dropping
nested-name-specifiers too early.

llvm-svn: 126776

llvm-svn: 126775

llvm-svn: 126774

llvm-svn: 126773

llvm-svn: 126772