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Author SHA1 Message Date
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
Johnny Chen
d560a80925 Fix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add some test cases. 
Add comments to ThumbDisassemblerCore.h for recent change made for t2PLD disassembly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128417 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 18:41:58 +00:00
Kevin Enderby
93f7936435 Again adding a C API to the disassembler for use by such tools as Darwin's 
otool(1), this time with the needed fix for case sensitive file systems :) .
This is a work in progress as the interface for producing symbolic operands is
not done.  But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer.  These APIs will be
moved into a dynamic library at some point.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128415 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 18:25:07 +00:00
Nick Lewycky
2bf026e375 Remove tabs I accidentally added. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128413 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 17:48:26 +00:00
Jay Foad
fd4a5497b6 Make more use of PHINode::getNumIncomingValues(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128406 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 13:03:10 +00:00
Che-Liang Chiou
fb4a8344b6 ptx: clean up branch code a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128405 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 10:23:13 +00:00
NAKAMURA Takumi
282fdd381a docs/GettingStarted.html: [PR8850] Add a note for x86_64-w64-mingw32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128404 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 06:27:12 +00:00
NAKAMURA Takumi
3c49655fcc docs/GettingStarted.html: Add blurb "--enable-shared" on cygming. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128403 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-28 06:27:06 +00:00
Frits van Bommel
f56762a96d Add some debug output when -instcombine uses RAUW. This can make debug output for those cases much clearer since without this it only showed that the original instruction was removed, not what it was replaced with. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128399 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 23:32:31 +00:00
Jakob Stoklund Olesen
ef1f5ccca7 Amend debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128398 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 22:49:23 +00:00
Jakob Stoklund Olesen
eb29157d80 Drop interference reassignment in favor of eviction. 
The reassignment phase was able to move interference with a higher spill weight,
but it didn't happen very often and it was fairly expensive.

The existing interference eviction picks up the slack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 22:49:21 +00:00
Nick Lewycky
675619ca38 Teach the transformation that moves binary operators around selects to preserve 
the subclass optional data.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128388 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 19:51:23 +00:00
Benjamin Kramer
d655e6e9dc Use APInt's umul_ov instead of rolling our own overflow detection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128380 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 15:04:38 +00:00
Frits van Bommel
6208610fd6 Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 14:26:13 +00:00
Duncan Sands
f0bf9dfc1f Partially revert commit 127155: I think it is much more convenient 
to have structured log files rather than one big file produced by
piping output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 13:52:32 +00:00
Nick Lewycky
98cd75027c Add a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. This 
removes one use of X which helps it pass the many hasOneUse() checks.

In my analysis, this turns up very often where X = A >>exact B and that can't be
simplified unless X has one use (except by increasing the lifetime of A which is
generally a performance loss).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 07:30:57 +00:00
NAKAMURA Takumi
d645151ac6 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128370 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-27 01:44:40 +00:00