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Author SHA1 Message Date
Bill Wendling
60507d53e7 General cleanups. 
* Remove dead methods.
* Use the 'operator==' method instead of 'contains', which isn't needed.
* Fix some comments.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171523 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 20:54:35 +00:00
Michael J. Spencer
4d9c5397b4 [Object][ELF] Add a maximum alignment. This is used by createELFObjectFile to create a properly aligned reader. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171520 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 20:36:28 +00:00
Akira Hatanaka
e13f441e00 [mips] MipsTargetLowering::getSetCCResultType should return a vector type if 
vectors are being compared.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171517 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 20:06:01 +00:00
Akira Hatanaka
1ebe5fce8e [mips] 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171515 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:38:05 +00:00
Nick Kledzik
50c3042740 Fix how YAML I/O detects flow sequences. 
Update test case to verify flow sequence is
written as a flow sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171514 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:32:00 +00:00
Akira Hatanaka
f53b78f5bf [mips] Reorder template parameters. Remove class shift_rotate_imm32 and 
shift_rotate_imm64.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171513 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:25:46 +00:00
Manman Ren
c55bd47105 Memory Dependence Analysis: fix a miscompile that uses DT to approxmiate the 
reachablity.

We conservatively approximate the reachability analysis by saying it is not
reachable if there is a single path starting from "From" and the path does not
reach "To".

rdar://12801584


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171512 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:19:47 +00:00
Akira Hatanaka
63723e5bf8 [mips] Refactor conditional move instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171511 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:16:38 +00:00
Akira Hatanaka
5f560bb2eb [mips] Refactor instructions which move data from or to coprocessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171510 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:13:49 +00:00
Nadav Rotem
648c093b2b Update the gcc-loops benchmarks results with the new automatic unrolling feature. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171509 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:10:34 +00:00
Eli Bendersky
7c88270ae2 fix a couple of typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171508 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:09:15 +00:00
Eli Bendersky
da704cc1e7 Remove unused #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171507 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:08:43 +00:00
Adhemerval Zanella
7b449889e7 PowerPC: Fix eh_frame relocation for PIC 
This patch fixes the PPC eh_frame definitions for the personality and 
frame unwinding for PIC objects. It makes PIC build correctly creates
relative relocations in the '.rela.eh_frame' segments and thus avoiding
a text relocation that generates a DT_TEXTREL segments in link phase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171506 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:08:13 +00:00
Nadav Rotem
13410a11e7 Add linpack-pc bench 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171499 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 19:00:42 +00:00
Joel Jones
29d3c61624 Add Textmate bundle for Tablegen syntax-highlighting 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171496 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 18:55:24 +00:00
Nadav Rotem
5d592d202a Change the default number of registers to prevent unrolling on targets that dont have this hook. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171489 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 18:40:39 +00:00
Eric Christopher
642469f582 Add a space to the end of the line so we don't get "itsbounds" in output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171487 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 18:30:36 +00:00
Pedro Artigas
b9d1005e96 small fixes to enable the reuse of the pass manager across multiple modules 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171475 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 18:04:42 +00:00
Eric Christopher
60230ef987 Add section information for the DWARF5 split debug proposal 
string offset section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171474 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:59:22 +00:00
Eric Christopher
138f084ca5 Make comment a bit more clear. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171473 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:59:17 +00:00
Nadav Rotem
b7c772922e Move the loop vectorizer from O2 to O3. It looks like the increase in code size actually hurts the performance on many programs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171471 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:57:44 +00:00
Nadav Rotem
4aa55bbafa Update the docs about the new unroll features. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171470 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:49:45 +00:00
Nadav Rotem
e503319874 LoopVectorizer: 
1. Add code to estimate register pressure.
2. Add code to select the unroll factor based on register pressure.
3. Add bits to TargetTransformInfo to provide the number of registers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171469 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:48:25 +00:00
Nadav Rotem
e12bf18754 Revert revision: 171467. This transformation is incorrect and makes some tests fail. Original message: 
Simplified TRUNCATE operation that comes after SETCC. It is possible since SETCC result is 0 or -1.
Added a test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171468 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-04 17:35:21 +00:00
Elena Demikhovsky
ab70320908 Simplified TRUNCATE operation that comes after SETCC. It is possible since SETCC result is 0 or -1. 
Added a test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171467 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 08:48:33 +00:00
Michael Gottesman
e33a8b8c2f Revert "Mark DIV/IDIV instructions hasSideEffects=1 because they can trap when dividing by 0. This is needed to keep early if conversion from moving them across basic blocks." 
This reverts commit r171461 since it breaks the following tests:

Clang :: Analysis/outofbound-notwork.c
Clang :: Analysis/string-fail.c
Clang :: CXX/basic/basic.lookup/basic.lookup.qual/p6-0x.cpp
Clang :: CXX/basic/basic.lookup/basic.lookup.unqual/p15.cpp
Clang :: CXX/dcl.dcl/dcl.spec/dcl.fct.spec/p4.cpp
Clang :: CXX/dcl.dcl/dcl.spec/dcl.stc/p10.cpp
Clang :: CXX/temp/temp.param/p14.cpp
Clang :: CXX/temp/temp.res/temp.dep.res/temp.point/p1.cpp
Clang :: CodeGen/2009-02-13-zerosize-union-field-ppc.c
Clang :: CodeGen/blocks-2.c
Clang :: CodeGen/libcalls-d.c
Clang :: CodeGen/libcalls-ld.c
Clang :: CodeGenCXX/conversion-function.cpp
Clang :: CodeGenCXX/debug-info-limit-type.cpp
Clang :: CodeGenCXX/inheriting-constructor.cpp
Clang :: FixIt/fixit-errors.c
Clang :: FixIt/fixit-pmem.cpp
Clang :: Modules/namespaces.cpp
Clang :: PCH/changed-files.c
Clang :: PCH/pr4489.c
Clang :: PCH/source-manager-stack.c
Clang :: Parser/cxx-ambig-decl-expr-xfail.cpp
Clang :: SemaCXX/switch-implicit-fallthrough-cxx98.cpp
Clang :: SemaTemplate/instantiate-function-1.mm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171466 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 08:18:30 +00:00
Michael Gottesman
ec21e2a05f Changed two debug statements that state that a queue had finished being processed when said queue was really a list to state a list had finished being processed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171465 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 08:09:27 +00:00
Michael Gottesman
df379f4ef4 Added DEBUG message for ObjCARC when we zap a push/pop pair in ObjCARCAPElim::OptimizeBB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171464 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 08:09:17 +00:00
Michael Gottesman
1ebbdcfa1f Added DEBUG message to ObjCARC when we transform objc_initWeak(p, null) => *p = null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171463 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 07:32:53 +00:00
Michael Gottesman
50652cd89b Added DEBUG message for ObjCARC when an inline asm marker is inserted for architectures where this is required to perform a retainAutoreleasedReturnValue optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171462 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 07:32:41 +00:00
Craig Topper
56bc0ab095 Mark DIV/IDIV instructions hasSideEffects=1 because they can trap when dividing by 0. This is needed to keep early if conversion from moving them across basic blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171461 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 06:40:20 +00:00
Hal Finkel
be76df6ce6 Better comment on VTTI::getShuffleCost 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171459 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 05:02:41 +00:00
NAKAMURA Takumi
1eae141f19 Compiler.h: Leave LLVM_BUILTIN_UNREACHABLE undefined if it is unavailable in host compiler. 
Users of LLVM_BUILTIN_UNREACHABLE should be responsible in the case when LLVM_BUILTIN_UNREACHABLE is undefined.

Actually, (0, (p)) in LLVM_ASSUME_ALIGNED(p, a) caused thousands of warnings on g++-4.4. It was a motivation in this commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171455 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 03:30:22 +00:00
Hal Finkel
82860f63e1 Add a subtype parameter to VTTI::getShuffleCost 
In order to cost subvector insertion and extraction, we need to know
the type of the subvector being extracted.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171453 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 02:34:09 +00:00
Bill Wendling
e5ab1bee8c Revert everything to r171366 to try to fix the build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171450 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 02:01:50 +00:00
Nadav Rotem
43f3928c79 Reformat the rst text. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171449 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:56:33 +00:00
Bill Wendling
22bd641739 Try again to revert the bad patch. The tree was reverted for some unknown reason 
before the last time.

--- Reverse-merging r171442 into '.':
U    include/llvm/IR/Attributes.h
U    lib/IR/Attributes.cpp
U    lib/IR/AttributeImpl.h



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171448 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:54:39 +00:00
Hal Finkel
467fa3ea7f Add a default Index for VTTI::getShuffleCost 
When Kind == (Broadcast or Reverse) then Index is not used; make it an optional parameter.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171447 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:50:51 +00:00
Nadav Rotem
12b01e7b31 LoopVectorizer: Test the unrolling flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171446 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:47:31 +00:00
Nadav Rotem
f574b88adb LoopVectorizer: Document the unrolling feature. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171445 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:47:02 +00:00
Bill Wendling
ded28aca61 Revert patch. Something snuck in there that shouldn't be. 
--- Reverse-merging r171441 into '.':
U    include/llvm/IR/Attributes.h
U    lib/IR/Attributes.cpp




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171444 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:46:27 +00:00
Bill Wendling
8351a60d6d Remove the 'contains' methods in favor of the 'operator==' method. 
The 'operator==' method is a bit clearer and much less verbose for somethings
that should have only one value. Remove from the AttrBuilder for consistency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171442 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:43:05 +00:00
NAKAMURA Takumi
3ac03815e1 Revert r171427, "An intermediate step in the Attributes rewrite." 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171441 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:42:06 +00:00
Michael J. Spencer
3fea4ef0b4 [Object] Temporarily disable these tests. 
They are failing because archives create unaligned ELF files. The recent
Endian change added a __builtin_unreachable() when this happens. I will be
committing a fix for this soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171438 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:24:32 +00:00
Michael J. Spencer
f94cfb65f5 [MC][COFF] Switch the COFF streamer over to using the MCObjectStreamer version of EmitInstruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171437 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 01:09:22 +00:00
Nadav Rotem
e4159491a7 LoopVectorizer: Add support for loop-unrolling during vectorization for increasing the ILP. At the moment this feature is disabled by default and this commit should not cause any functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171436 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 00:52:27 +00:00
Jakob Stoklund Olesen
251ed7f3e5 Fix PR14732 by handling all kinds of IMPLICIT_DEF live ranges. 
Most IMPLICIT_DEF instructions are removed by the ProcessImplicitDefs
pass, and a few are reinserted by PHIElimination when a PHI argument is
<undef>.

RegisterCoalescer was assuming that all IMPLICIT_DEF live ranges look
like those created by PHIElimination, and that their live range never
leaves the basic block.

The PR14732 test case does tricks with PHI nodes that causes a longer
IMPLICIT_DEF live range to appear. This happens very rarely, but
RegisterCoalescer should be able to handle it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171435 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 00:47:51 +00:00
Bill Wendling
47990e9743 Make the type signature more strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171434 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 00:46:43 +00:00
Michael J. Spencer
189ef5f2e0 [CMake] MSVC is incorrectly emitting C4239 in some cases. Disable it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171430 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-03 00:00:40 +00:00
Nadav Rotem
00a6bcaeb4 Avoid vectorization when the function has the "noimplicitflot" attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171429 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-01-02 23:54:43 +00:00