Revert prev. patch for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68569 91177308-0d34-0410-b5e6-96231b3b80d8

Temporarily revert r68552. This was causing a failure in the self-hosting LLVM
builds.

--- Reverse-merging (from foreign repository) r68552 into '.':
U    test/CodeGen/X86/tls8.ll
U    test/CodeGen/X86/tls10.ll
U    test/CodeGen/X86/tls2.ll
U    test/CodeGen/X86/tls6.ll
U    lib/Target/X86/X86Instr64bit.td
U    lib/Target/X86/X86InstrSSE.td
U    lib/Target/X86/X86InstrInfo.td
U    lib/Target/X86/X86RegisterInfo.cpp
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86CodeEmitter.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86InstrInfo.h
U    lib/Target/X86/X86ISelDAGToDAG.cpp
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
U    lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
U    lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
U    lib/Target/X86/X86ISelLowering.h
U    lib/Target/X86/X86InstrInfo.cpp
U    lib/Target/X86/X86InstrBuilder.h
U    lib/Target/X86/X86RegisterInfo.td

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68560 91177308-0d34-0410-b5e6-96231b3b80d8

Right now DBG_LABEL are required for llvm.dbg.region_start and llvm.dbg.region_end in non-fast mode also.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68559 91177308-0d34-0410-b5e6-96231b3b80d8

Reduce code duplication on the TLS implementation.
This introduces a small regression on the generated code
quality in the case we are just computing addresses, not
loading values.

Will work on it and on X86-64 support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68552 91177308-0d34-0410-b5e6-96231b3b80d8

Don't attempt to handle aggregate argument values in FastISel; let
SelectionDAG do those. This fixes PR3955.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68546 91177308-0d34-0410-b5e6-96231b3b80d8

PR2985 / <rdar://problem/6584986>

When compiling in Thumb mode, only the low (R0-R7) registers are available
for most instructions. Breaking the low registers into a new register class
handles this. Uses of R12, SP, etc, are handled explicitly where needed
with copies inserted to move results into low registers where the rest of
the code generator can deal with them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68545 91177308-0d34-0410-b5e6-96231b3b80d8

Remove ccc now.  Radar 6737767

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68544 91177308-0d34-0410-b5e6-96231b3b80d8

fix style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68542 91177308-0d34-0410-b5e6-96231b3b80d8

Use 'name' instead of 'href'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68534 91177308-0d34-0410-b5e6-96231b3b80d8

Fix verification failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68531 91177308-0d34-0410-b5e6-96231b3b80d8

Offer an explanation of why building LLVM-GCC with objdir == srcdir doesn't
work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68530 91177308-0d34-0410-b5e6-96231b3b80d8

Another reformatting. No change in docs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68528 91177308-0d34-0410-b5e6-96231b3b80d8

Another attempt at fixing PR2975.
Types can have references to eachother, so we can't just call destroy on them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68523 91177308-0d34-0410-b5e6-96231b3b80d8

fix comment to reflect the implementation I ended up settling on.
Thanks to Duncan for noticing this

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68518 91177308-0d34-0410-b5e6-96231b3b80d8

fix rdar://6762290, a crash compiling cxx filt with clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68500 91177308-0d34-0410-b5e6-96231b3b80d8

Add an API for the bitstream reader to read blobs and return
them by reference, instead of packing each byte into a
smallvector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68486 91177308-0d34-0410-b5e6-96231b3b80d8

remove empty section

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68485 91177308-0d34-0410-b5e6-96231b3b80d8

Add svn:ignore properties.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68479 91177308-0d34-0410-b5e6-96231b3b80d8

stub out code for reading record with blobs as blobs.  Not active yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68472 91177308-0d34-0410-b5e6-96231b3b80d8

allow clients to look up abbrev id's

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68471 91177308-0d34-0410-b5e6-96231b3b80d8

Add a new EmitRecordWithBlob API that allows a blob to be emitted
without converting each byte to a uint64_t to stick in a SmallVector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68469 91177308-0d34-0410-b5e6-96231b3b80d8

add a new Blob encoding abbreviation for bitcode files that emits
elements in a form that is efficient for the reader to just get a
pointer in memory and start reading.  APIs to do efficient reading
and writing are still todo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68465 91177308-0d34-0410-b5e6-96231b3b80d8

Handle 'a' modifier in ARM inline assembly.
Patch by Richard Pennington.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68464 91177308-0d34-0410-b5e6-96231b3b80d8

split ReadAbbreviatedLiteral out of ReadAbbreviatedField.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68463 91177308-0d34-0410-b5e6-96231b3b80d8

reduce indentation with early-out

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68462 91177308-0d34-0410-b5e6-96231b3b80d8

simplify code a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68461 91177308-0d34-0410-b5e6-96231b3b80d8

simplify to reduce indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68460 91177308-0d34-0410-b5e6-96231b3b80d8

revert r68457, its crashing in make check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68459 91177308-0d34-0410-b5e6-96231b3b80d8

Teach llvm-bcanalyzer to skip over the header we use on LLVM IR files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68458 91177308-0d34-0410-b5e6-96231b3b80d8

fix (part of) memory leak on shutdown. See PR2975.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68457 91177308-0d34-0410-b5e6-96231b3b80d8

clean up some html

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68456 91177308-0d34-0410-b5e6-96231b3b80d8

Avoid -O3 on Darwin for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68455 91177308-0d34-0410-b5e6-96231b3b80d8

Let the strcat optimizer return the pointer to the start of the buffer,
instead of the place where it started to perform the string copy.

- PR3661
- Patch by Benjamin Kramer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68443 91177308-0d34-0410-b5e6-96231b3b80d8

Map stack based frameindices for spills to zero based indices that can be accessed based on an external symbol defining the location of temporary data for a function. For example: we have spill slots addressed as foo.tmp + 0, foo.tmp + 1 etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68442 91177308-0d34-0410-b5e6-96231b3b80d8

Add character encoding declaration to fix verification warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68440 91177308-0d34-0410-b5e6-96231b3b80d8

Obsessively format this document.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68439 91177308-0d34-0410-b5e6-96231b3b80d8

Add segment flag bits to ELF.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68438 91177308-0d34-0410-b5e6-96231b3b80d8

Add character encoding declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68433 91177308-0d34-0410-b5e6-96231b3b80d8

Fix validation error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68432 91177308-0d34-0410-b5e6-96231b3b80d8

A lot of formatting changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68431 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Added notes pointing to the LLVM CMake documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68429 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: defines and uses macro add_llvm_definitions for keeping track
of compiler parameters explicitly added by the build
specification. This macro replaces the cmake built-in
`add_definitions'.

Detects glibc and defines _GNU_SOURCE accordingly.

Resolves bug 3882.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68428 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some HTML validation errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68427 91177308-0d34-0410-b5e6-96231b3b80d8

General clean-up of the bitcode format documentation. Having the paragraphs
formatted the same, putting words in <tt> tags, adding &mdash;s, etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68426 91177308-0d34-0410-b5e6-96231b3b80d8

Try SSE2?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68423 91177308-0d34-0410-b5e6-96231b3b80d8

CloneModule stores the BasicBlock mapping in ValueMap. There's no need to
recompute it. This fixes a O(n^2) in number of blocks when reducing a crash.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68422 91177308-0d34-0410-b5e6-96231b3b80d8

Remove bogus include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68421 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for embedded metadata to LLVM. This introduces two new types of
Constant, MDString and MDNode which can only be used by globals with a name
that starts with "llvm." or as arguments to a function with the same naming
restriction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68420 91177308-0d34-0410-b5e6-96231b3b80d8

Fix test on non-x86 platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68419 91177308-0d34-0410-b5e6-96231b3b80d8

Test commit access to LLVM with some minor narcissism.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68408 91177308-0d34-0410-b5e6-96231b3b80d8

Wrap some lines to fix indentation problems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68405 91177308-0d34-0410-b5e6-96231b3b80d8

Fix some comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68404 91177308-0d34-0410-b5e6-96231b3b80d8

Duplicate entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68401 91177308-0d34-0410-b5e6-96231b3b80d8

"This adds a getName() method to TargetRegisterClass, just like in TargetRegisterInfo.
This makes debugging register classes a bit easier."

Patch by Jakob Stoklund Olesen!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68400 91177308-0d34-0410-b5e6-96231b3b80d8

"Add documentation about the fix for missing x86
target library in windows under the "Common problems" section."

Patch by Stefanus Du Toit!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68399 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a TargetLowering optimization so that it doesn't duplicate
loads when an input node has multiple uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68398 91177308-0d34-0410-b5e6-96231b3b80d8

Add fast path for raw_ostream output of strings.
 - Particularly nice for small constant strings, which get optimized
   down nicely. On a synthetic benchmark writing out "hello" in a
   loop, this is about 2x faster with gcc and 3x faster with
   llvm-gcc. llc on insn-attrtab.bc from 403.gcc is about .5% faster.

 - I tried for a fancier solution which wouldn't increase code size as
   much (by trying to match constant arrays), but can't quite make it
   fly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68396 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: tools/llvm-config/CMakeLists.txt: Use ! instead of comma as
separator in sed scripts. Resolves Bug 3881.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68385 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: removed IA64AsmPrinter.cpp from lib/Target/IA64/CMakeLists.txt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68384 91177308-0d34-0410-b5e6-96231b3b80d8

Separate MIPS asmprinter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68383 91177308-0d34-0410-b5e6-96231b3b80d8

Fix target library name

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68382 91177308-0d34-0410-b5e6-96231b3b80d8

Fix comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68381 91177308-0d34-0410-b5e6-96231b3b80d8

Move IA64 asmprinter to separate library

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68380 91177308-0d34-0410-b5e6-96231b3b80d8

Added a x86 dag combine to increase the chances to use a
movq for v2i64 on x86-32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68368 91177308-0d34-0410-b5e6-96231b3b80d8

update some syntax

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68362 91177308-0d34-0410-b5e6-96231b3b80d8

Work around an apparent GCC miscompilation by specializing different,
this fixes a regression on some compilers from r68147.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68356 91177308-0d34-0410-b5e6-96231b3b80d8

Delete ISD::INSERT_SUBREG and ISD::EXTRACT_SUBREG, which are unused.
Note that these are distinct from TargetInstrInfo::INSERT_SUBREG
and TargetInstrInfo::EXTRACT_SUBREG, which are used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68355 91177308-0d34-0410-b5e6-96231b3b80d8

correct patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68353 91177308-0d34-0410-b5e6-96231b3b80d8

add patch to go along with r68350

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68352 91177308-0d34-0410-b5e6-96231b3b80d8

use higher level APIs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68351 91177308-0d34-0410-b5e6-96231b3b80d8

add missing *

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68350 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed build warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68333 91177308-0d34-0410-b5e6-96231b3b80d8

To convert the StopPoint insn into an assembler directive by ISel, we need to have access to the line number field. So we convert that info as an operand by custom handling DBG_STOPPOINT in legalize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68329 91177308-0d34-0410-b5e6-96231b3b80d8

Params are not being generated as static globals now. The caller passes them onto the callee's stack directly and the callee loads the argvals from its own stack. Clang generated frameindexes validatd by recalculating the stack as if all frameindexes represent 1-byte slots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68327 91177308-0d34-0410-b5e6-96231b3b80d8

fix overflow checks in SmallVector:

"The code was doing "if (End+NumInputs > Capacity) ...". If End is
close to 0xFFFFFFFF and NumInputs is large, it'll overflow, the
condition will come out false, and the vector won't grow to
accommodate the new elements, and the program will crash in memmove."

Patch by Jeffrey Yasskin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68277 91177308-0d34-0410-b5e6-96231b3b80d8

Fix build on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68269 91177308-0d34-0410-b5e6-96231b3b80d8

Reapply r68211, with the miscompilations it caused fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68262 91177308-0d34-0410-b5e6-96231b3b80d8

Make the constants fit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68258 91177308-0d34-0410-b5e6-96231b3b80d8

Clean up pass manager cache after each run.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68254 91177308-0d34-0410-b5e6-96231b3b80d8

silence warning in release-asserts build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68253 91177308-0d34-0410-b5e6-96231b3b80d8

Add llvm::Triple class for abstracting access to target triples.
 - The code is silly, I'm just amusing myself. Rewrite to be efficient
   if you like. :)

Also, if you wish to debate the proper names of the triple components
I'm all ears.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68252 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed file header comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68250 91177308-0d34-0410-b5e6-96231b3b80d8

Added tests for math utility functions; fixed another test's header comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68249 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed spelling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68248 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68246 91177308-0d34-0410-b5e6-96231b3b80d8

add this to SVN to allow collaborative hacking.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68243 91177308-0d34-0410-b5e6-96231b3b80d8

Add range insert method for DenseSet and define DenseMapInfo for chars.
Patch by Kevin Fan!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68239 91177308-0d34-0410-b5e6-96231b3b80d8

Recognize arm triplets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68229 91177308-0d34-0410-b5e6-96231b3b80d8

Use CHAR_BIT instead of hard-coding 8 in several places where it
is appropriate. This helps visually differentiate host-oriented
calculations from target-oriented calculations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68227 91177308-0d34-0410-b5e6-96231b3b80d8

Constify method to make VC++ happy.  Patch by Brian Diekelman!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68222 91177308-0d34-0410-b5e6-96231b3b80d8

Use LLVM type names instead of C type names in comments, to be
less ambiguous and less C-specific.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68219 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR3862: Recognize some ARM-specific constraints for immediates in inline
assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68218 91177308-0d34-0410-b5e6-96231b3b80d8

Revert r68172. It caused regressions in
  Applications/Burg/burg
  Applications/ClamAV/clamscan
and many other tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68211 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed spelling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68209 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: Have generated Xcode projects also contain the LLVM header files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68206 91177308-0d34-0410-b5e6-96231b3b80d8

Detect that we're building from a git checkout like we do for cvs and svn.
Based on a patch by Nicolas Trangez on the unladen-swallow mailing list!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68187 91177308-0d34-0410-b5e6-96231b3b80d8

hopefully fix an apparent build error on windows.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68175 91177308-0d34-0410-b5e6-96231b3b80d8

fix a serious regression I introduced in my previous patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68173 91177308-0d34-0410-b5e6-96231b3b80d8

Enhance GVN to propagate simple conditionals.  This fixes PR3921.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68172 91177308-0d34-0410-b5e6-96231b3b80d8

include Makefile.common before using $(BuildMode) to get its definition

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68167 91177308-0d34-0410-b5e6-96231b3b80d8