oota-llvm.git
11 years agotblgen: use an early return to reduce indentation.
Sean Silva [Wed, 9 Jan 2013 05:28:12 +0000 (05:28 +0000)]
tblgen: use an early return to reduce indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171954 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoEfficient lowering of vector sdiv when the divisor is a splatted power of two constant.
Nadav Rotem [Wed, 9 Jan 2013 05:14:33 +0000 (05:14 +0000)]
Efficient lowering of vector sdiv when the divisor is a splatted power of two constant.
PR 14848. The lowered sequence is based on the existing sequence the target-independent
DAG Combiner creates for the scalar case.

Patch by Zvi Rackover.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171953 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agotblgen: Factor out common code.
Sean Silva [Wed, 9 Jan 2013 04:49:14 +0000 (04:49 +0000)]
tblgen: Factor out common code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171951 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLast in the series of removing unnecessary '0' arguments for
Eric Christopher [Wed, 9 Jan 2013 03:52:05 +0000 (03:52 +0000)]
Last in the series of removing unnecessary '0' arguments for
address space. Reordered the EmitULEB128IntValue arguments to
make this easier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171949 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMIsched: add an ILP window property to machine model.
Andrew Trick [Wed, 9 Jan 2013 03:36:49 +0000 (03:36 +0000)]
MIsched: add an ILP window property to machine model.

This was an experimental option, but needs to be defined
per-target. e.g. PPC A2 needs to aggressively hide latency.

I converted some in-order scheduling tests to A2. Hal is working on
more test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171946 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Object, DebugInfo] Make DWARFContext BE-aware.
NAKAMURA Takumi [Wed, 9 Jan 2013 02:45:05 +0000 (02:45 +0000)]
[Object, DebugInfo] Make DWARFContext BE-aware.

test/DebugInfo/member-pointers.ll would not fail in targetting BE any more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171943 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTableGen/LangRef: link bang operators into the productionlist
Sean Silva [Wed, 9 Jan 2013 02:20:31 +0000 (02:20 +0000)]
TableGen/LangRef: link bang operators into the productionlist

Now BangOperator should be nicely hyperlinked.

Pointed out by Joel Jones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171942 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTableGen/LangRef: discuss specific C-like escapes
Sean Silva [Wed, 9 Jan 2013 02:20:30 +0000 (02:20 +0000)]
TableGen/LangRef: discuss specific C-like escapes

Suggested by Joel Jones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171941 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agodocs: Fix mention of DefmID to MultiClassID.
Sean Silva [Wed, 9 Jan 2013 02:20:24 +0000 (02:20 +0000)]
docs: Fix mention of DefmID to MultiClassID.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171940 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInline this into its only caller.
Sean Silva [Wed, 9 Jan 2013 02:17:14 +0000 (02:17 +0000)]
Inline this into its only caller.

It's clearer and additionally this gets rid of the usage of `DefmID`,
which doesn't really correspond to anything in the language (it was just
used in the name of this parsing function which parsed a `MultiClassID`
and returned that multiclass's record).

This area of the code still needs a lot of work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171938 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agotblgen: Reuse function that is 2 lines above.
Sean Silva [Wed, 9 Jan 2013 02:17:13 +0000 (02:17 +0000)]
tblgen: Reuse function that is 2 lines above.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171937 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agofix copy-paste-o
Sean Silva [Wed, 9 Jan 2013 02:11:57 +0000 (02:11 +0000)]
fix copy-paste-o

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171936 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agodocs: Bring TableGen syntax a bit closer to reality.
Sean Silva [Wed, 9 Jan 2013 02:11:55 +0000 (02:11 +0000)]
docs: Bring TableGen syntax a bit closer to reality.

It's not just def's but actually a limited subset of Object's that are
allowed inside a multiclass.

Spotted by Joel Jones.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171935 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThese functions have default arguments of 0 for the last arg. Use
Eric Christopher [Wed, 9 Jan 2013 01:57:54 +0000 (01:57 +0000)]
These functions have default arguments of 0 for the last arg. Use
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171933 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThese functions have default arguments of 0 for the last arg. Use
Eric Christopher [Wed, 9 Jan 2013 01:35:34 +0000 (01:35 +0000)]
These functions have default arguments of 0 for the last arg. Use
them and add one where it seemed obvious that we wanted one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171932 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM Cost Model: Add a basic vectorization unrolling test.
Nadav Rotem [Wed, 9 Jan 2013 01:29:07 +0000 (01:29 +0000)]
ARM Cost Model: Add a basic vectorization unrolling test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171931 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the -licm pass from the loop vectorizer test because the loop vectorizer does...
Nadav Rotem [Wed, 9 Jan 2013 01:20:59 +0000 (01:20 +0000)]
Remove the -licm pass from the loop vectorizer test because the loop vectorizer does it now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171930 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCost Model: Move the 'max unroll factor' variable to the TTI and add initial Cost...
Nadav Rotem [Wed, 9 Jan 2013 01:15:42 +0000 (01:15 +0000)]
Cost Model: Move the 'max unroll factor' variable to the TTI and add initial Cost Model support on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171928 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a getBundleEnd() function to go with the existing getBundleStart().
Jakob Stoklund Olesen [Wed, 9 Jan 2013 01:02:19 +0000 (01:02 +0000)]
Add a getBundleEnd() function to go with the existing getBundleStart().

This is easier implemented now that bundle flags are symmetric.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171927 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd comment to the definition of Constant::isZeroValue().
Shuxin Yang [Wed, 9 Jan 2013 00:53:25 +0000 (00:53 +0000)]
Add comment to the definition of Constant::isZeroValue().
(There already has a concise comment to the declaration.)

Thank Eric Christopher for his feedback!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171926 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoForgot the namespace identifier.
Bill Wendling [Wed, 9 Jan 2013 00:32:55 +0000 (00:32 +0000)]
Forgot the namespace identifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171924 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd the integer value of the ConstantInt instead of the Constant* value.
Bill Wendling [Wed, 9 Jan 2013 00:32:08 +0000 (00:32 +0000)]
Add the integer value of the ConstantInt instead of the Constant* value.

This is causing some problems. The root cause is unknown at this time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171923 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoConsider expression "0.0 - X" as the negation of X if
Shuxin Yang [Wed, 9 Jan 2013 00:13:41 +0000 (00:13 +0000)]
Consider expression "0.0 - X" as the negation of X if
  - this expression is explicitly marked no-signed-zero, or
  - no-signed-zero of this expression can be derived from some context.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171922 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the string pools down into the units. No functional change.
Eric Christopher [Tue, 8 Jan 2013 22:22:06 +0000 (22:22 +0000)]
Move the string pools down into the units. No functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171905 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSimplify the code a bit: MCRelaxableFragment doesn't need a separate getInstSize
Eli Bendersky [Tue, 8 Jan 2013 22:05:10 +0000 (22:05 +0000)]
Simplify the code a bit: MCRelaxableFragment doesn't need a separate getInstSize
method because getContents().size() already covers it. So computeFragmentSize
can use the generic MCEncodedFragment interface when querying both Data and
Relaxable fragments for contents sizes.

No change in functionality

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171903 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix memory leak in YAML I/O.
Nick Kledzik [Tue, 8 Jan 2013 21:04:44 +0000 (21:04 +0000)]
Fix memory leak in YAML I/O.

Stop using BumpPtrAllocator for HNodes because
they have fields (vector, map) which require HNode
destructors to be run.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171896 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSpecify complete triple for fp128 tests.
Tim Northover [Tue, 8 Jan 2013 19:36:33 +0000 (19:36 +0000)]
Specify complete triple for fp128 tests.

This avoids FileCheck failing over different comment characters in
assembly (notably powerpc64 on Linux vs Darwin) and should fix David's
build-bot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171886 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch produces the correct addend value for
Jack Carter [Tue, 8 Jan 2013 19:01:28 +0000 (19:01 +0000)]
This patch produces the correct addend value for
an R_MIPS_GPREL16 relocation.

Contributer: Jack Carter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171882 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch produces the correct pointer size
Jack Carter [Tue, 8 Jan 2013 18:53:20 +0000 (18:53 +0000)]
This patch produces the correct pointer size
value in the 64 bit .eh_frame section.

It doesn't however allow exception handling to work
yet since it depends on the correct relocation model
being set in the ELF header flags.

Contributer: Jack Carter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171881 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPad Short Functions for Intel Atom
Preston Gurd [Tue, 8 Jan 2013 18:27:24 +0000 (18:27 +0000)]
Pad Short Functions for Intel Atom

The current Intel Atom microarchitecture has a feature whereby
when a function returns early then it is slightly faster to execute
a sequence of NOP instructions to wait until the return address is ready,
as opposed to simply stalling on the ret instruction until
the return address is ready.

When compiling for X86 Atom only, this patch will run a pass,
called "X86PadShortFunction" which will add NOP instructions where less
than four cycles elapse between function entry and return.

It includes tests.

This patch has been updated to address Nadav's review comments
- Optimize only at >= O1 and don't do optimization if -Os is set
- Stores MachineBasicBlock* instead of BBNum
- Uses DenseMap instead of std::map
- Fixes placement of braces

Patch by Andy Zhang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171879 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocs: mention that we support float reductions when -ffast-math is used.
Nadav Rotem [Tue, 8 Jan 2013 17:46:30 +0000 (17:46 +0000)]
Docs: mention that we support float reductions when -ffast-math is used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171873 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRename statistic for instruction fragments -> relaxable
Eli Bendersky [Tue, 8 Jan 2013 17:41:59 +0000 (17:41 +0000)]
Rename statistic for instruction fragments -> relaxable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171872 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCode cleanup: refactor the switch statements in the generation of reduction variables...
Nadav Rotem [Tue, 8 Jan 2013 17:37:45 +0000 (17:37 +0000)]
Code cleanup: refactor the switch statements in the generation of reduction variables into an IR builder call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171871 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRename the enum members to match the LLVM coding style.
Nadav Rotem [Tue, 8 Jan 2013 17:23:17 +0000 (17:23 +0000)]
Rename the enum members to match the LLVM coding style.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171868 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd fp128 rtlib function names to LLVM
Tim Northover [Tue, 8 Jan 2013 17:09:59 +0000 (17:09 +0000)]
Add fp128 rtlib function names to LLVM

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171867 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAllow the asm printer to print fp128 values properly.
Tim Northover [Tue, 8 Jan 2013 16:56:23 +0000 (16:56 +0000)]
Allow the asm printer to print fp128 values properly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171866 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd highlighting for "int" keyword
Joel Jones [Tue, 8 Jan 2013 16:23:02 +0000 (16:23 +0000)]
Add highlighting for "int" keyword

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171863 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake sure we don't emit instructions before a landingpad instruction.
Bill Wendling [Tue, 8 Jan 2013 10:51:32 +0000 (10:51 +0000)]
Make sure we don't emit instructions before a landingpad instruction.
PR14782

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171846 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAllow ELF64 relocation type to be more than 8 bits.
Tim Northover [Tue, 8 Jan 2013 10:12:09 +0000 (10:12 +0000)]
Allow ELF64 relocation type to be more than 8 bits.

Current targets don't have more than 256 relocations so they don't hit this
limit, but ELF64 actually allows more than 8 bits for a relocation type. These
were being truncated on AArch64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171845 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSink a function that refers to the SelectionDAG into that library in the
Chandler Carruth [Tue, 8 Jan 2013 05:11:57 +0000 (05:11 +0000)]
Sink a function that refers to the SelectionDAG into that library in the
one file where it is called as a static function. Nuke the declaration
and the definition in lib/CodeGen, along with the include of
SelectionDAG.h from this file.

There is no dependency edge from lib/CodeGen to
lib/CodeGen/SelectionDAG, so it isn't valid for a routine in lib/CodeGen
to reference the DAG. There is a dependency from
lib/CodeGen/SelectionDAG on lib/CodeGen. This breaks one violation of
this layering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171842 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd the C testcase to this file.
Eric Christopher [Tue, 8 Jan 2013 03:03:14 +0000 (03:03 +0000)]
Add the C testcase to this file.

Suggested by Dave Blaikie.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171839 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUpdate README.txt to more accurately reflect reality.
Sean Silva [Tue, 8 Jan 2013 02:35:15 +0000 (02:35 +0000)]
Update README.txt to more accurately reflect reality.

This closes PR14709 and hopefully is a small step towards preventing
similar issues in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171837 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the llvm-local DW_TAG_vector_type tag and add a test to
Eric Christopher [Tue, 8 Jan 2013 01:53:52 +0000 (01:53 +0000)]
Remove the llvm-local DW_TAG_vector_type tag and add a test to
make sure that vector types do work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171833 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix comment.
Eric Christopher [Tue, 8 Jan 2013 01:53:42 +0000 (01:53 +0000)]
Fix comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171832 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSplit changeset_ty using iterators instead of loops.
Lenny Maiorani [Tue, 8 Jan 2013 01:08:52 +0000 (01:08 +0000)]
Split changeset_ty using iterators instead of loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171829 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMark artificial types as such in the annotated debug output.
David Blaikie [Tue, 8 Jan 2013 00:31:02 +0000 (00:31 +0000)]
Mark artificial types as such in the annotated debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171826 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRenamed MCInstFragment to MCRelaxableFragment and added some comments.
Eli Bendersky [Tue, 8 Jan 2013 00:22:56 +0000 (00:22 +0000)]
Renamed MCInstFragment to MCRelaxableFragment and added some comments.

No change in functionality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171822 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove what appears to be a dead llvm-specific debug tag.
Eric Christopher [Tue, 8 Jan 2013 00:16:33 +0000 (00:16 +0000)]
Remove what appears to be a dead llvm-specific debug tag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171821 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPack MachineOperand bitfields better.
Jakob Stoklund Olesen [Mon, 7 Jan 2013 23:21:44 +0000 (23:21 +0000)]
Pack MachineOperand bitfields better.

Previously, 4 bits were unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171814 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPack MachineInstr fields better.
Jakob Stoklund Olesen [Mon, 7 Jan 2013 23:21:41 +0000 (23:21 +0000)]
Pack MachineInstr fields better.

This shrinks MachineInstr to 64 bytes (from 72).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171813 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorizer: Add support for floating point reductions
Nadav Rotem [Mon, 7 Jan 2013 23:13:00 +0000 (23:13 +0000)]
LoopVectorizer: Add support for floating point reductions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171812 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd some additional tests for the .bundle_lock align_to_end feature that didn't
Eli Bendersky [Mon, 7 Jan 2013 23:12:59 +0000 (23:12 +0000)]
Add some additional tests for the .bundle_lock align_to_end feature that didn't
make into the last commit.

Also, update the test-generation script to generate an exhaustive test for
align_to_end as well, and include the generated test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171811 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove dead directory.
Bill Wendling [Mon, 7 Jan 2013 23:04:00 +0000 (23:04 +0000)]
Remove dead directory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171807 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCosmetical changne in order to conform to coding std.
Shuxin Yang [Mon, 7 Jan 2013 22:41:28 +0000 (22:41 +0000)]
Cosmetical changne in order to conform to coding std.

Thank Eric Christopher for figuring out these problems!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171805 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhitespace and 80-col.
Eric Christopher [Mon, 7 Jan 2013 22:40:48 +0000 (22:40 +0000)]
Whitespace and 80-col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171804 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhitespace and 80-col.
Eric Christopher [Mon, 7 Jan 2013 22:40:45 +0000 (22:40 +0000)]
Whitespace and 80-col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171803 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorizer: When we vectorizer and widen loops we process many elements at once...
Nadav Rotem [Mon, 7 Jan 2013 21:54:51 +0000 (21:54 +0000)]
LoopVectorizer: When we vectorizer and widen loops we process many elements at once. This is a good thing, except for
small loops. On small loops post-loop that handles scalars (and runs slower) can take more time to execute than the
rest of the loop. This patch disables widening of loops with a small static trip count.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171798 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd the align_to_end option to .bundle_lock in the MC implementation of aligned
Eli Bendersky [Mon, 7 Jan 2013 21:51:08 +0000 (21:51 +0000)]
Add the align_to_end option to .bundle_lock in the MC implementation of aligned
bundling. The document describing this feature and the implementation has also
been updated:

https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171797 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis change is to implement following rules:
Shuxin Yang [Mon, 7 Jan 2013 21:39:23 +0000 (21:39 +0000)]
This change is to implement following rules:

  o. X/C1 * C2 => X * (C2/C1) (if C2/C1 is neither special FP nor denormal)
  o. X/C1 * C2 -> X/(C1/C2)   (if C2/C1 is either specical FP or denormal, but C1/C2 is a normal Fp)

     Let MDC denote multiplication or dividion with one & only one operand being a constant
  o. (MDC Â± C1) * C2 => (MDC * C2) Â± (C1 * C2)
     (so long as the constant-folding doesn't yield any denormal or special value)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171793 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFixed EOL whitespace.
Michael Gottesman [Mon, 7 Jan 2013 21:26:07 +0000 (21:26 +0000)]
Fixed EOL whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171791 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM: Copy-paste error.
Jim Grosbach [Mon, 7 Jan 2013 21:24:35 +0000 (21:24 +0000)]
ARM: Copy-paste error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171790 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM: Fix a few copy-paste errors.
Jim Grosbach [Mon, 7 Jan 2013 21:12:13 +0000 (21:12 +0000)]
ARM: Fix a few copy-paste errors.

s/X86/ARM/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171789 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[ms-inline asm] Make sure the NullStreamParser doesn't try to emit labels when
Chad Rosier [Mon, 7 Jan 2013 20:34:12 +0000 (20:34 +0000)]
[ms-inline asm] Make sure the NullStreamParser doesn't try to emit labels when
parsing MS-style inline assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171784 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd more comments to what's going on here.
Eric Christopher [Mon, 7 Jan 2013 19:32:45 +0000 (19:32 +0000)]
Add more comments to what's going on here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171780 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd support for separating strings for the split debug info DWARF5
Eric Christopher [Mon, 7 Jan 2013 19:32:41 +0000 (19:32 +0000)]
Add support for separating strings for the split debug info DWARF5
proposal. This leaves the strings in the skeleton die as strp,
but in all dwo files they're accessed now via DW_FORM_GNU_str_index.

Add support for dumping these sections and modify the fission-cu.ll
testcase to have the correct strings and form. Fix a small bug
in the fixed form sizes routine that involved out of array accesses
for the table and add a FIXME in the extractFast routine to fix
this up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171779 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch addresses bug 14678 by fixing two problems in medium code model
Bill Schmidt [Mon, 7 Jan 2013 19:29:18 +0000 (19:29 +0000)]
This patch addresses bug 14678 by fixing two problems in medium code model
code generation.  Variables addressed through a GlobalAlias were not being
handled, and variables with available_externally linkage were treated
incorrectly.  The patch contains two new tests to verify the correct code
generation for these cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171778 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoChange SMRange to be half-open (exclusive end) instead of closed (inclusive)
Jordan Rose [Mon, 7 Jan 2013 19:00:49 +0000 (19:00 +0000)]
Change SMRange to be half-open (exclusive end) instead of closed (inclusive)

This is necessary not only for representing empty ranges, but for handling
multibyte characters in the input. (If the end pointer in a range refers to
a multibyte character, should it point to the beginning or the end of the
character in a char array?) Some of the code in the asm parsers was already
assuming this anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171765 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImplement APFloat::isDenormal()
Shuxin Yang [Mon, 7 Jan 2013 18:59:35 +0000 (18:59 +0000)]
Implement APFloat::isDenormal()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171764 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhen code size is the priority (Oz, MinSize attribute), help llvm
Quentin Colombet [Mon, 7 Jan 2013 18:37:41 +0000 (18:37 +0000)]
When code size is the priority (Oz, MinSize attribute), help llvm
turning a code like this:

if (foo)
   free(foo)

into that:
free(foo)

Move a call to free from basic block FB into FB's predecessor, P,
when the path from P to FB is taken only if the argument of free is
not equal to NULL.

Some restrictions apply on P and FB to be sure that this code motion
is profitable. Namely:
1. FB must have only one predecessor P.
2. FB must contain only the call to free plus an unconditional
   branch to S.
3. P's successors are FB and S.

Because of 1., we will not increase the code size when moving the call
to free from FB to P.
Because of 2., FB will be empty after the move.
Because of 2. and 3., P's branch instruction becomes useless, so as FB
(simplifycfg will do the job).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171762 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake test/DebugInfo/member-pointers.ll portable by removing the TargetData
David Blaikie [Mon, 7 Jan 2013 17:52:49 +0000 (17:52 +0000)]
Make test/DebugInfo/member-pointers.ll portable by removing the TargetData

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171759 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoClaim ".td" files. Improve README cp command. Drop "Bundle" from description
Joel Jones [Mon, 7 Jan 2013 17:07:10 +0000 (17:07 +0000)]
Claim ".td" files.  Improve README cp command. Drop "Bundle" from description

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171758 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove TypeFinder.h into the IR tree, it clearly belongs with the IR library.
Chandler Carruth [Mon, 7 Jan 2013 15:43:51 +0000 (15:43 +0000)]
Move TypeFinder.h into the IR tree, it clearly belongs with the IR library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171749 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRename the VMCore unittest tree to IR. Somehow was missed when doing the
Chandler Carruth [Mon, 7 Jan 2013 15:35:46 +0000 (15:35 +0000)]
Rename the VMCore unittest tree to IR. Somehow was missed when doing the
library rename.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove CallGraphSCCPass.h into the Analysis tree; that's where the
Chandler Carruth [Mon, 7 Jan 2013 15:26:48 +0000 (15:26 +0000)]
Move CallGraphSCCPass.h into the Analysis tree; that's where the
implementation lives already.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171746 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the long defunct 'DefaultPasses' header. We have a pass manager
Chandler Carruth [Mon, 7 Jan 2013 15:16:50 +0000 (15:16 +0000)]
Remove the long defunct 'DefaultPasses' header. We have a pass manager
builder these days, and this thing hasn't seen updates for a very long
time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171741 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSink AddrMode back into TargetLowering, removing one of the most
Chandler Carruth [Mon, 7 Jan 2013 15:14:13 +0000 (15:14 +0000)]
Sink AddrMode back into TargetLowering, removing one of the most
peculiar headers under include/llvm.

This struct still doesn't make a lot of sense, but it makes more sense
down in TargetLowering than it did before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171739 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove LSR's use of the random AddrMode struct. These variables were
Chandler Carruth [Mon, 7 Jan 2013 15:04:40 +0000 (15:04 +0000)]
Remove LSR's use of the random AddrMode struct. These variables were
already in a class, just inline the four of them. I suspect that this
class could be simplified some to not always keep distinct variables for
these things, but it wasn't clear to me how given the usage so I opted
for a trivial and mechanical translation.

This removes one of the two remaining users of a header in include/llvm
which does nothing more than define a 4 member struct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171738 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSwitch the SCEV expander and LoopStrengthReduce to use
Chandler Carruth [Mon, 7 Jan 2013 14:41:08 +0000 (14:41 +0000)]
Switch the SCEV expander and LoopStrengthReduce to use
TargetTransformInfo rather than TargetLowering, removing one of the
primary instances of the layering violation of Transforms depending
directly on Target.

This is a really big deal because LSR used to be a "special" pass that
could only be tested fully using llc and by looking at the full output
of it. It also couldn't run with any other loop passes because it had to
be created by the backend. No longer is this true. LSR is now just
a normal pass and we should probably lift the creation of LSR out of
lib/CodeGen/Passes.cpp and into the PassManagerBuilder. =] I've not done
this, or updated all of the tests to use opt and a triple, because
I suspect someone more familiar with LSR would do a better job. This
change should be essentially without functional impact for normal
compilations, and only change behvaior of targetless compilations.

The conversion required changing all of the LSR code to refer to the TTI
interfaces, which fortunately are very similar to TargetLowering's
interfaces. However, it also allowed us to *always* expect to have some
implementation around. I've pushed that simplification through the pass,
and leveraged it to simplify code somewhat. It required some test
updates for one of two things: either we used to skip some checks
altogether but now we get the default "no" answer for them, or we used
to have no information about the target and now we do have some.

I've also started the process of removing AddrMode, as the TTI interface
doesn't use it any longer. In some cases this simplifies code, and in
others it adds some complexity, but I think it's not a bad tradeoff even
there. Subsequent patches will try to clean this up even further and use
other (more appropriate) abstractions.

Yet again, almost all of the formatting changes brought to you by
clang-format. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171735 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a mistaken commit that included some debugging code.
David Tweed [Mon, 7 Jan 2013 13:41:55 +0000 (13:41 +0000)]
Fix a mistaken commit that included some debugging code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171734 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThere was a switch fall-through in the parser for textual LLVM that caused
David Tweed [Mon, 7 Jan 2013 13:32:38 +0000 (13:32 +0000)]
There was a switch fall-through in the parser for textual LLVM that caused
bogus comparison operands to default to eq/oeq. Fix that, fix a couple of
tests that accidentally passed and test for bogus comparison opeartors
explicitly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171733 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake the MergeGlobals pass correctly handle the address space qualifiers of the globa...
Silviu Baranga [Mon, 7 Jan 2013 12:31:25 +0000 (12:31 +0000)]
Make the MergeGlobals pass correctly handle the address space qualifiers of the global variables. We partition the set of globals by their address space, and apply the same the trasnformation as before to merge them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171730 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation: add a note that Clang on Mageia 2 can not find libstdc++ headers
Dmitri Gribenko [Mon, 7 Jan 2013 12:17:44 +0000 (12:17 +0000)]
Documentation: add a note that Clang on Mageia 2 can not find libstdc++ headers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171729 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600/SIISelLowering.cpp: Suppress a warning. [-Wunused-variable]
NAKAMURA Takumi [Mon, 7 Jan 2013 11:14:44 +0000 (11:14 +0000)]
R600/SIISelLowering.cpp: Suppress a warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171728 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCallingConvLower.h: Use bitfields like unsigned:1 instead of bool:1 .
NAKAMURA Takumi [Mon, 7 Jan 2013 11:13:51 +0000 (11:13 +0000)]
CallingConvLower.h: Use bitfields like unsigned:1 instead of bool:1 .

Some compilers might be confused if bool were potentially signed integer. In my case, g++-4.7.0 miscompiled CodeGen/ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171727 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSimplify LoopVectorize to require target transform info and rely on it
Chandler Carruth [Mon, 7 Jan 2013 11:12:29 +0000 (11:12 +0000)]
Simplify LoopVectorize to require target transform info and rely on it
being present. Make a member of one of the helper classes a reference as
part of this.

Reformatting goodness brought to you by clang-format.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171726 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMerge the unused header file for LoopVectorizer into the source file.
Chandler Carruth [Mon, 7 Jan 2013 10:44:06 +0000 (10:44 +0000)]
Merge the unused header file for LoopVectorizer into the source file.
This makes the loop vectorizer match the pattern followed by roughly all
other passses. =]

Notably, this header file was braken in several regards: it contained
a using namespace directive, global #define's that aren't globaly
appropriate, and global constants defined directly in the header file.

As a side benefit, lots of the types in this file become internal, which
will cause the optimizer to chew on this pass more effectively.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171723 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSwitch BBVectorize to directly depend on having a TTI analysis.
Chandler Carruth [Mon, 7 Jan 2013 10:22:36 +0000 (10:22 +0000)]
Switch BBVectorize to directly depend on having a TTI analysis.

This could be simplified further, but Hal has a specific feature for
ignoring TTI, and so I preserved that.

Also, I needed to use it because a number of tests fail when switching
from a null TTI to the NoTTI nonce implementation. That seems suspicious
to me and so may be something that you need to look into Hal. I worked
it by preserving the old behavior for these tests with the flag that
ignores all target info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171722 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd LICENSE.TXT covering contributions made by ARM.
Tim Northover [Mon, 7 Jan 2013 10:04:49 +0000 (10:04 +0000)]
Add LICENSE.TXT covering contributions made by ARM.

Absent a Contributor's License Agreement (CLA) with an LLVM legal entity and as
reviewed and agreed with Chris Lattner, add a patent license covering future
contributions from ARM until there is a CLA. This is to make explicit ARM's
grant of patent rights to recipients of LLVM containing ARM-contributed
material.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171721 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a slew of indentation and parameter naming style issues. This 80% of
Chandler Carruth [Mon, 7 Jan 2013 09:57:00 +0000 (09:57 +0000)]
Fix a slew of indentation and parameter naming style issues. This 80% of
this patch brought to you by the tool clang-format.

I wanted to fix up the names of constructor parameters because they
followed a bit of an anti-pattern by naming initialisms with CamelCase:
'Tti', 'Se', etc. This appears to have been in an attempt to not overlap
with the names of member variables 'TTI', 'SE', etc. However,
constructor arguments can very safely alias members, and in fact that's
the conventional way to pass in members. I've fixed all of these I saw,
along with making some strang abbreviations such as 'Lp' be simpler 'L',
or 'Lgl' be the word 'Legal'.

However, the code I was touching had indentation and formatting somewhat
all over the map. So I ran clang-format and fixed them.

I also fixed a few other formatting or doxygen formatting issues such as
using ///< on trailing comments so they are associated with the correct
entry.

There is still a lot of room for improvement of the formating and
cleanliness of this code. ;] At least a few parts of the coding
standards or common practices in LLVM's code aren't followed, the enum
naming rules jumped out at me. I may mix some of these while I'm here,
but not all of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171719 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSwitch LoopIdiom pass to directly require target transform information.
Chandler Carruth [Mon, 7 Jan 2013 09:17:41 +0000 (09:17 +0000)]
Switch LoopIdiom pass to directly require target transform information.

I'm sorry for duplicating bad style here, but I wanted to keep
consistency. I've pinged the code review thread where this style was
reviewed and changes were requested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171714 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRough out a new c'tor for the AttrBuilder class.
Bill Wendling [Mon, 7 Jan 2013 08:24:35 +0000 (08:24 +0000)]
Rough out a new c'tor for the AttrBuilder class.

This c'tor takes the AttributeSet class as the parameter. It will eventually
grab the attributes from the specified index and create a new attribute builder
with those attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171712 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove more unnecessary # operators with nothing to paste proceeding them.
Craig Topper [Mon, 7 Jan 2013 06:14:20 +0000 (06:14 +0000)]
Remove more unnecessary # operators with nothing to paste proceeding them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171702 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation updates for pointer-to-member debug info added in r171698.
David Blaikie [Mon, 7 Jan 2013 06:02:07 +0000 (06:02 +0000)]
Documentation updates for pointer-to-member debug info added in r171698.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171701 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPR14759: Debug info support for C++ member pointers.
David Blaikie [Mon, 7 Jan 2013 05:51:15 +0000 (05:51 +0000)]
PR14759: Debug info support for C++ member pointers.

This works fine with GDB for member variable pointers, but GDB's support for
member function pointers seems to be quite unrelated to
DW_TAG_ptr_to_member_type. (see GDB bug 14998 for details)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171698 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove # from the beginning and end of def names. The # is a paste operator and shoul...
Craig Topper [Mon, 7 Jan 2013 05:45:56 +0000 (05:45 +0000)]
Remove # from the beginning and end of def names. The # is a paste operator and should only be used with something to paste on either side.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171697 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove # from the beginning and end of def names.
Craig Topper [Mon, 7 Jan 2013 05:26:58 +0000 (05:26 +0000)]
Remove # from the beginning and end of def names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171696 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r171140. We don't actually need to support #NAME. Because NAME by itself is...
Craig Topper [Mon, 7 Jan 2013 05:09:33 +0000 (05:09 +0000)]
Revert r171140. We don't actually need to support #NAME. Because NAME by itself is interpreted just fine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171695 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unnecessary # tokens at the beginning and end of defm names.
Craig Topper [Mon, 7 Jan 2013 05:04:39 +0000 (05:04 +0000)]
Remove unnecessary # tokens at the beginning and end of defm names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171694 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake SimplifyCFG simply depend upon TargetTransformInfo and pass it
Chandler Carruth [Mon, 7 Jan 2013 03:53:25 +0000 (03:53 +0000)]
Make SimplifyCFG simply depend upon TargetTransformInfo and pass it
through as a reference rather than a pointer. There is always *some*
implementation of this available, so this simplifies code by not having
to test for whether it is available or not.

Further, it turns out there were piles of places where SimplifyCFG was
recursing and not passing down either TD or TTI. These are fixed to be
more pedantically consistent even though I don't have any particular
cases where it would matter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171691 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the initialization to the Analysis library as well as the pass.
Chandler Carruth [Mon, 7 Jan 2013 03:33:08 +0000 (03:33 +0000)]
Move the initialization to the Analysis library as well as the pass.

This was (somewhat distressingly) only caught be the ocaml bindings
tests...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171690 91177308-0d34-0410-b5e6-96231b3b80d8