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Author SHA1 Message Date
Jakob Stoklund Olesen
f22ca3fe5f Treat clones the same as their origin. 
When DCE clones a live range because it separates into connected components,
make sure that the clones enter the same register allocator stage as the
register they were cloned from.

For instance, clones may be split even when they where created during spilling.
Other registers created during spilling are not candidates for splitting or even
(re-)spilling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128524 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 02:52:39 +00:00
Bill Wendling
9f86e8054b Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 01:03:48 +00:00
Johnny Chen
caee968481 Add a test case for thumb stc2 instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 01:02:06 +00:00
Argyrios Kyrtzidis
4e082a934b ClangSAEmClangSACheckersEmitter, emit info about groups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-30 00:22:00 +00:00
Bill Wendling
87fa8d12b4 Set the unnamed_addr only when we're creating a new GV in the dest module. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128507 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:31:06 +00:00
Bill Wendling
5f49c29612 Revert r128501. It caused test failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128506 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:28:02 +00:00
Jim Grosbach
83d808329b Tidy up. 80 columns and trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:20:22 +00:00
Francois Pichet
00b7ce6cb8 Update CMake link dependency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128503 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:18:51 +00:00
Evan Cheng
92e3916c3b Add intrinsics @llvm.arm.neon.vmulls and @llvm.arm.neon.vmullu.* back. Frontends 
was lowering them to sext / uxt + mul instructions. Unfortunately the
optimization passes may hoist the extensions out of the loop and separate them.
When that happens, the long multiplication instructions can be broken into
several scalar instructions, causing significant performance issue.

Note the vmla and vmls intrinsics are not added back. Frontend will codegen them
as intrinsics vmull* + add / sub. Also note the isel optimizations for catching
mul + sext / zext are not changed either.

First part of rdar://8832507, rdar://9203134


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:06:19 +00:00
Bill Wendling
75c7563f83 We need to copy over the unnamed_addr attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 23:05:41 +00:00
Matt Beaumont-Gay
55037def6b Revert accidental change to LLVMLibDeps.cmake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128499 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 22:42:41 +00:00
Matt Beaumont-Gay
471232884a Quiet a gcc warning about changed name lookup rules 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128497 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 22:25:36 +00:00
Benjamin Kramer
9822b869fc InstCombine: Add a few missing combines for ANDs and ORs of sign bit tests. 
On x86 we now compile "if (a < 0 && b < 0)" into
	testl	%edi, %esi
	js	IF.THEN

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128496 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 22:06:41 +00:00
Kevin Enderby
b715ce35d7 Adding a test for "-inf" as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128495 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:54:10 +00:00
Johnny Chen
e077157e54 Add a test case for MSRi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128494 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:52:02 +00:00
Cameron Zwarich
3007d3331b Add Neon SINT_TO_FP and UINT_TO_FP lowering from v4i16 to v4f32. Fixes 
<rdar://problem/8875309> and <rdar://problem/9057191>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128492 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:41:55 +00:00
Jakob Stoklund Olesen
6094bd87d8 Recompute register class and hint for registers created during spilling. 
The spill weight is not recomputed for an unspillable register - it stays infinite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128490 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:20:19 +00:00
Argyrios Kyrtzidis
3d09055851 In ClangSACheckersEmitter: 
- Also emit a list of packages and groups sorted by name
  - Avoid iterating over DenseSet so that the output of the arrays is deterministic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128489 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:16:19 +00:00
Kevin Enderby
360d8d7a02 Added support symbolic floating point constants in the MC assembler for Infinity 
and Nans with the same strings as GAS supports.  rdar://8673024


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:11:52 +00:00
Johnny Chen
5726005e4f Add a thumb test file for printf (iOS 4.3). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:09:30 +00:00
Jim Grosbach
5acfa9f0fd Instantiate a JITMemoryManager for MCJIT Dyld 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128485 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 21:03:05 +00:00
Oscar Fuentes
23f0bfeda9 Fixed the build of Clang's unit tests on MinGW. Also removed some 
unnecesary conditionals and introduced a new convenience function.

The problem was that the list of libraries for Clang's unit tests was
<clang libraries> <system libraries> <llvm libraries>. As the llvm
libraries references symbols defined on the system libraries, those
were reported as undefined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128484 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 20:51:08 +00:00
Benjamin Kramer
ec3f227820 DSE: Remove an early exit optimization that depended on the ordering of a SmallPtrSet. 
Fixes PR9569 and will hopefully make selfhost on ASLR-enabled systems more deterministic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128482 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 20:28:57 +00:00
Owen Anderson
d0cfc99b30 Check early if this is an unsupported opcode, so that we can avoid needlessly instantiating the base register in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 20:27:38 +00:00
Johnny Chen
9eda569a74 A8.6.188 STC, STC2 
The STC_OPTION and STC2_OPTION instructions should have their coprocessor option enclosed in {}.

rdar://problem/9200661


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 19:49:38 +00:00
Johnny Chen
4381dd1f21 Rename invalid-VLDMSDB-arm.txt to be invalid-VLDMSDB_UPD-arm.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128477 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 19:10:06 +00:00
Johnny Chen
288a4284bb Add and modify some tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 19:08:52 +00:00
Argyrios Kyrtzidis
9993a38583 For ClangSACheckersEmitter, allow a package to belong to checker group, in which all its checkers will go into the group. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 18:53:00 +00:00
Jakob Stoklund Olesen
cf610d07de Remember to use the correct register when rematerializing for snippets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 17:47:02 +00:00
Jakob Stoklund Olesen
c1d22d8adb Run dead code elimination immediately after rematerialization. 
This may eliminate some uses of the spilled registers, and we don't want to
insert reloads for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128468 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 17:47:00 +00:00
Owen Anderson
9eae80051b Add safety check that didn't show up in testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 17:42:25 +00:00
Devang Patel
da6eed3cfe Document llvm.dbg.sp, llvm.dbg.gv and llvm.dbg.enum 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128466 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 17:27:08 +00:00
Bill Wendling
3f782f4d75 Inline check that's used only once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128465 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 17:12:55 +00:00
Owen Anderson
848b0c39b1 Get rid of the non-writeback versions VLDMDB and VSTMDB, which don't actually exist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 16:45:53 +00:00
Bill Wendling
3c288b9787 Rework the logic (and removing the bad check for an unreachable block) so that 
the FailBB dominator is correctly calculated. Believe it or not, there isn't a
functionality change here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128455 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 07:28:52 +00:00
Cameron Zwarich
9827b78b51 Do some simple copy propagation through integer loads and stores when promoting 
vector types. This helps a lot with inlined functions when using the ARM soft
float ABI. Fixes <rdar://problem/9184212>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128453 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 05:19:52 +00:00
Bill Wendling
ad7d8a598b Don't try to add stack protector logic to a dead basic block. It messes up 
dominator information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128452 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 05:15:48 +00:00
Bill Wendling
0f41587909 Spruce up the error output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128451 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 04:28:26 +00:00
Jakob Stoklund Olesen
c8ec765551 Handle the special case when all uses follow the last split point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 03:12:04 +00:00
Jakob Stoklund Olesen
2ef661b0e8 Properly enable rematerialization when spilling after live range splitting. 
The instruction to be rematerialized may not be the one defining the register
that is being spilled. The traceSiblingValue() function sees through sibling
copies to find the remat candidate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128449 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 03:12:02 +00:00
Daniel Dunbar
8470475d6b C-API: Include DataTypes.h instead of stdint.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128446 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 02:30:34 +00:00
Rafael Espindola
5d71de6014 Reduce test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128445 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 02:18:54 +00:00
Evan Cheng
78fe9ababe Optimizing (zext A + zext B) * C, to (VMULL A, C) + (VMULL B, C) during 
isel lowering to fold the zero-extend's and take advantage of no-stall
back to back vmul + vmla:
 vmull q0, d4, d6
 vmlal q0, d5, d6
is faster than
 vaddl q0, d4, d5
 vmovl q1, d6                                                                                                                                                                             
 vmul  q0, q0, q1

This allows us to vmull + vmlal for:
    f = vmull_u8(   vget_high_u8(s), c);
    f = vmlal_u8(f, vget_low_u8(s),  c);

rdar://9197392


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128444 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 01:56:09 +00:00
Francois Pichet
79abc9dd4a Fix the MSVC build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 00:30:01 +00:00
Devang Patel
a89cfd23c4 Expoert c interface for disassembler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128440 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-29 00:01:39 +00:00
Bill Wendling
2d930db24f In some cases, the "fail BB dominator" may be null after the BB was split (and 
becomes reachable when before it wasn't). Check to make sure that it's not null
before trying to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128434 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 23:02:18 +00:00
Daniel Dunbar
a7b8c2b6a4 Integrated-As: Add support for setting the AllowTemporaryLabels flag via 
integrated-as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 22:49:19 +00:00
Daniel Dunbar
c6cf43d258 MC: Add support for disabling "temporary label" behavior. Useful for debugging 
on Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128430 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 22:49:15 +00:00
Ted Kremenek
cede7c0551 Unbreak CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128426 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 20:43:53 +00:00
Devang Patel
e4f3ca4a66 Remove scripts used by TEST=dbg from here. They now live inside llvm test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128425 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 20:28:30 +00:00