This gives a lot of love to the docs for the C API. Like Clang's
documentation, the C API is now organized into a Doxygen "module"
(LLVMC). Each C header file is a child of the main module. Some modules
(like Core) have a hierarchy of there own. The produced documentation is
thus better organized (before everything was in one monolithic list).

This patch also includes a lot of new documentation for APIs in Core.h.
It doesn't document them all, but is better than none. Function docs are
missing @param and @return annotation, but the documentation body now
commonly provides help details (like the expected llvm::Value sub-type
to expect).

llvm-svn: 153157

RewriteModernObjC.cpp: Don't expose temporary std::string with StringRef. (StringRef)getName() can be used here.

llvm-svn: 153156

llvm-svn: 153155

Spacing fixes and using 'unsigned' instead of 'int' to index to select shuffle elements for consistency with other shuffle code in X86 backend.

llvm-svn: 153154

These changes allow us to compile big endian from the command line for 32 bit
Mips targets. This patch will result in code and data actually being produced
in the correct endianess.

llvm-svn: 153153

of references to function template parameters in noexcept clauses when
the instantiation is forced from a point during parsing when a block
is in scope.

llvm-svn: 153152

// rdar://11076938

llvm-svn: 153151

llvm-svn: 153150

llvm-svn: 153149

ImmutAVLTree uses random unsigned values as keys into a DenseMap,
which could possibly happen to be the same value as the Tombstone or
Entry keys in the DenseMap.

Test case is hard to come up with. We randomly get failures on the
internal static analyzer bot, which most likely hits this issue
(hard to be 100% sure without the full stack).

llvm-svn: 153148

relocations (i.e., pieces of data whose addresses
are referred to elsewhere in the binary image) and
update the references when the section containing
the relocations moves.  The way this works is that
there is a map from section IDs to lists of
relocations.

Because the relocations are associated with the
section containing the data being referred to, they
are updated only when the target moves.  However,
many data references are relative and also depend
on the location of the referrer.

To solve this problem, I introduced a new data
structure, Referrer, which simply contains the
section being referred to and the index of the
relocation in that section.  These referrers are
associated with the source containing the
reference that needs to be updated, so now
regardless of which end of the relocation moves,
the relocation will now be updated correctly.

llvm-svn: 153147

llvm-svn: 153146

// rdar://11079898

llvm-svn: 153145

llvm-svn: 153142

llvm-svn: 153141

llvm-svn: 153140

vextractf128 with 128-bit mem dest.

Combines

	vextractf128 $0, %ymm0, %xmm0
	vmovaps %xmm0, (%rdi)

to

    vextractf128 $0, %ymm0, (%rdi)

rdar://11082570

llvm-svn: 153139

the class pointer in the category structure.
// rdar://11076938

llvm-svn: 153138

rdar://11027851

llvm-svn: 153137

llvm-svn: 153136

llvm-svn: 153135

Do not call SplitBlockPredecessors on a loop preheader when one of the
predecessors is an indirectbr. Otherwise, you will hit this assert:
!isa<IndirectBrInst>(Preds[i]->getTerminator()) && "Cannot split an edge from an IndirectBrInst"

llvm-svn: 153134

llvm-svn: 153133

llvm-svn: 153132

instead of skipping the current loop.

My prior fix was incomplete because of an overzealous compile-time optimization:
Better fix for: <rdar://problem/11049788> Segmentation fault: 11 in LoopStrengthReduce

llvm-svn: 153131

llvm-svn: 153130

llvm-svn: 153129

expression parser code.

llvm-svn: 153128

llvm-svn: 153127

llvm-svn: 153126

llvm-svn: 153125

llvm-svn: 153124

llvm-svn: 153123

llvm-svn: 153122

Fixes PR12284. The test case only triggered under asan/valgrind, but it's better than nothing.

llvm-svn: 153120

via functions for certain pointer initialization
fields. // rdar://11076938

llvm-svn: 153117

llvm-svn: 153116

TrackingVH notices when it gets RAUW'd. Fixes PR12305 and PR12315.

llvm-svn: 153115

precedence over the VINSERTF128 avx1 patterns.

llvm-svn: 153114

llvm-svn: 153113