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Author SHA1 Message Date
Nadav Rotem
55306bdea5 Fix a bug in the code that checks if we can vectorize loops while using dynamic 
memory bound checks.  Before the fix we were able to vectorize this loop from
the Livermore Loops benchmark:

for ( k=1 ; k<n ; k++ )
  x[k] = x[k-1] + y[k];



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170811 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-21 00:07:35 +00:00
Eric Christopher
71a9c2137b Move these files over to the debug info directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170810 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-21 00:03:42 +00:00
Sean Silva
097982eca6 docs: Try out nosidebar. 
Please squawk if you find this appalling or otherwise don't like it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170803 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 23:35:22 +00:00
Sean Silva
689858b8da docs: Cleanup trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170799 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:59:36 +00:00
Jakob Stoklund Olesen
56706db45b Require the two-argument MI::addOperand(MF, MO) for dangling instructions. 
Instructions that are inserted in a basic block can still be decorated
with addOperand(MO).

Make the two-argument addOperand() function contain the actual
implementation. This function will now always have a valid MF reference
that it can use for memory allocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170798 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:54:05 +00:00
Jakob Stoklund Olesen
be06aacaa9 Add an MF argument to MI::copyImplicitOps(). 
This function is often used to decorate dangling instructions, so a
context reference is required to allocate memory for the operands.

Also add a corresponding MachineInstrBuilder method.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170797 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:54:02 +00:00
Jakob Stoklund Olesen
9500e5d07a Use two-arg addOperand(MF, MO) internally in MachineInstr when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170796 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:53:58 +00:00
Jakob Stoklund Olesen
b9efafe54d MachineInstrBuilderize ARM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170795 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:53:55 +00:00
Jakob Stoklund Olesen
28d53a26cc MachineInstrBuilderize NVPTX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170794 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:53:53 +00:00
Eli Bendersky
bc87361d25 Fix an unitialized member variable that may have caused sporadic failures 
for code that wasn't even in bundling mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170793 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:51:52 +00:00
Sean Silva
5e81633499 docs: actually indent these consistently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170792 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:49:13 +00:00
Sean Silva
9baa6e4c36 docs: Indent consistently in code examples. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170791 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:47:41 +00:00
Sean Silva
12ae515945 docs: Improve navigation for Vectorizers.rst 
Add links in the intro paragraph.
Add table of contents.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170790 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:42:20 +00:00
Sean Silva
1dd00fb4f2 docs: bring back link for reddit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170776 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 22:24:37 +00:00
Eric Christopher
72c1655e0a Whitespace and 80-column cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170771 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:58:40 +00:00
Eric Christopher
2e5d870b38 Start splitting out the debug string section handling by moving it 
into the DwarfUnits class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170770 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:58:36 +00:00
Sean Silva
55d8a35fb7 docs: Make document name congruent with title. 
Hopefully nobody has linked to it yet...

OK'd by Nadav.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170768 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:50:41 +00:00
Bill Wendling
27107f6ab4 Some random comment, naming, and format changes. 
Rename the AttributeImpl* from Attrs to pImpl to be consistent with other code.
Add comments where none were before. Or doxygen-ify other comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170767 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:28:43 +00:00
Jakob Stoklund Olesen
54c1902919 Remove two dead functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170766 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:12:42 +00:00
Bob Wilson
103b4a571e Revert "Adding support for llvm.arm.neon.vaddl[su].* and" 
This reverts r170694.  The operations can be represented in IR without
adding any new intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170765 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 21:09:38 +00:00
Nadav Rotem
8386acd734 LoopVectorize: Fix a bug in the scalarization of instructions. 
Before if-conversion we could check if a value is loop invariant
if it was declared inside the basic block. Now that loops have
multiple blocks this check is incorrect.

This fixes External/SPEC/CINT95/099_go/099_go



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170756 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 20:24:40 +00:00
Evan Cheng
139e407d52 On some ARM cpus, flags setting movs with shifter operand, i.e. lsl, lsr, asr, 
are more expensive than the non-flag setting variant. Teach thumb2 size
reduction pass to avoid generating them unless we are optimizing for size.

rdar://12892707


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170728 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 19:59:30 +00:00
Eli Bendersky
15019a8814 Change Lit error redirection to FileCheck to a more common syntax since it 
can potentially cause some bots to fail.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170726 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 19:54:02 +00:00
Eli Bendersky
b17201f1b8 Add a largish auto-generated test for the aligned bundling feature, along with 
the script generating it. The test should never be modified manually. If anyone
needs to change it, please change the script and re-run it.

The script is placed into utils/testgen - I couldn't think of a better place,
and after some discussion on IRC this looked like a logical location.





git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170720 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 19:16:57 +00:00
Eli Bendersky
16996c4940 Tests for the aligned bundling support added in r170718 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170719 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 19:07:30 +00:00
Eli Bendersky
4766ef41b3 Aligned bundling support. Following the discussion here: 
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-December/056754.html

The proposal and implementation are fully documented here:
https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm

Tests will follow shortly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170718 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 19:05:53 +00:00
Jakob Stoklund Olesen
5d3cfa6d1f Use MachineInstrBuilder for PHI nodes in SelectionDAGISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170716 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 18:46:29 +00:00
Jim Grosbach
0eaf5a503e Fix inadvertant delete of 'has'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170713 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 18:09:48 +00:00
Jakob Stoklund Olesen
7f6ece8a93 Use MachineInstrBuilder in InstrEmitter. 
This is supposed to be a mechanical change with no functional effects.

InstrEmitter can generate all types of MachineOperands which revealed
that MachineInstrBuilder was missing a few methods, added by this patch.

Besides providing a context pointer to MI::addOperand(),
MachineInstrBuilder seems like a better fit for this code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170712 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 18:08:09 +00:00
Jakob Stoklund Olesen
7b79b9862c Use MachineInstrBuilder in a few CodeGen passes. 
This automatically passes a context pointer to MI->addOperand().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170711 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 18:08:06 +00:00
Rafael Espindola
ffc7d3b0ad Simplify the testcase a bit. 
I checked that it would still crash llc before the corresponding fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170709 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 17:47:27 +00:00
Nadav Rotem
d5d46ace89 Loop Vectorizer: turn-off if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170708 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 17:42:53 +00:00
James Molloy
67ae135759 Add a new attribute, 'noduplicate'. If a function contains a noduplicate call, the call cannot be duplicated - Jump threading, loop unrolling, loop unswitching, and loop rotation are inhibited if they would duplicate the call. 
Similarly inlining of the function is inhibited, if that would duplicate the call (in particular inlining is still allowed when there is only one callsite and the function has internal linkage).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170704 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 16:04:27 +00:00
Roman Divacky
6af228a92a Remove MCTargetAsmLexer and its derived classes now that edis, 
its only user, is gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170699 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 14:43:30 +00:00
Renato Golin
332bd79951 Adding support for llvm.arm.neon.vaddl[su].* and 
llvm.arm.neon.vsub[su].* intrinsics.

Patch by Pete Couperus <pjcoup@gmail.com>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170694 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 13:52:11 +00:00
NAKAMURA Takumi
da5cd6a180 llvmbuild/main.py: Let LibraryDependencies.inc deterministic. 
FYI, llvm and clang can be built deterministically between stage 2 and stage3, among iterative clean rebuilds, with GNU ar;

configure --disable-timestamps
make AR.Flags=crsD RANLIB=echo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170682 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 10:35:18 +00:00
Craig Topper
00f8102758 Formatting fixes. Remove some unnecessary 'else' after 'return'. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170676 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 07:15:54 +00:00
Craig Topper
41a05dc59c Removing trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170675 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 07:09:41 +00:00
Reed Kotler
27210d215a Implement cfi_def_cfa_offset. "Make check" test case for this comming in the 
next few days but it's already tested a lot from test-suite and works fine.
This patch completes almost 100% pass of test-suite for mips 16.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170674 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 06:59:37 +00:00
Reed Kotler
0fd8313250 There is one more patch to finish large frames. Make sure we assert 
on code that has large frames which will not yet compile correctly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170673 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 06:57:00 +00:00
Jyotsna Verma
82a36e2b59 Add constant extender support to GP-relative load/store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170672 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 06:52:46 +00:00
Jyotsna Verma
39498d1ff0 Add TSFlags to ALU32 type instructions for constant-extender/Relationship maps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170671 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 06:45:39 +00:00
Reed Kotler
bacbf1c2cb set register class properly for mips16 here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170669 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 06:06:35 +00:00
Rafael Espindola
399532b25a Undefine PPC harder. 
This was causing a build failure while trying to build on ppc ubuntu 12.10 with
cmake.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170668 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 05:13:09 +00:00
Reed Kotler
c28ee9622a This assert is overly restrictive and does not work for mips16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170667 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 05:09:15 +00:00
Reed Kotler
1f23239c5b Turn on register scavenger for Mips 16 
We use an unused Mips 32 register for the emergency slot
instead of using the stack.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170665 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 04:44:58 +00:00
Akira Hatanaka
9bf571fe2c [mips] Refactor SLT (set on less than) instructions. Separate encoding 
information from the rest. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170664 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 04:27:52 +00:00
Akira Hatanaka
c23061547d [mips] Refactor unconditional branch instruction. Separate encoding information 
from the rest. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170663 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 04:22:39 +00:00
Akira Hatanaka
1e7739f614 [mips] Remove asm string parameter from pseudo instructions. Add InstrItinClass 
parameter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170661 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 04:20:09 +00:00
Akira Hatanaka
77e85f367c [mips] Delete definition of CPRESTORE instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170660 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-20 04:15:30 +00:00