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Author SHA1 Message Date
Bill Wendling
d6d2ef1582 Fix comments to reflect reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190021 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-05 00:54:52 +00:00
Eric Christopher
edc8e7b4ff Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190019 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-05 00:22:35 +00:00
Eric Christopher
1aaf8843dc Clean up some whitespace and comment formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190015 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-05 00:01:17 +00:00
Andrew Trick
d4486ebd5f mi-sched: Force bottom up scheduling for generic targets. 
Fast register pressure tracking currently only takes effect during
bottom up scheduling. Forcing this is a bit faster and simpler for
targets that don't have many scheduling constraints and don't need
top-down scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190014 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 23:54:00 +00:00
Nick Kledzik
a38c27be0f Add names for mach-o permissions bits and use the symbol names in place of magic numbers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190013 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 23:53:44 +00:00
Eric Christopher
5afaf5d1c1 Move default dwarf version enum into the llvm dwarf constants rather 
than the spec dwarf constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190011 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 23:38:29 +00:00
Nick Kledzik
5b34493843 fix typo in enum name 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190009 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 23:27:21 +00:00
Bill Wendling
19f066e0e0 Add missing header line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190004 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 22:35:41 +00:00
Bill Wendling
9e4bd87f47 Use ArrayRef instead of explicit container. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190003 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 22:35:29 +00:00
Eric Christopher
efc47ec528 Remove hack ensuring that darwin didn't produce dwarf > 3 for modules 
without a limiting factor.

Update all testcases accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190002 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 22:21:24 +00:00
Eric Christopher
6509593cb6 Revert "Revert r189902 as the workaround shouldn't be necessary anymore." 
Needs testcase updates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190000 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:36:52 +00:00
Eric Christopher
a42c7d5db1 Revert r189902 as the workaround shouldn't be necessary anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189999 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:26:56 +00:00
Eric Christopher
1b290a139a Expand and rewrite comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189998 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:23:23 +00:00
Andrew Trick
3d6e70c857 comment typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189997 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:12:05 +00:00
Andrew Trick
ba9ec8ce80 Remove dead subtree limit code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189995 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:20 +00:00
Andrew Trick
da9f441854 -view-misched-dags, better pruning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189994 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:18 +00:00
Andrew Trick
ee5fd9cf10 mi-sched: DEBUG cleanup, call tracePick for unidirectional scheduling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189993 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:16 +00:00
Andrew Trick
85d7f0be78 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189992 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:13 +00:00
Andrew Trick
16bb45c5c8 mi-sched: Suppress register pressure tracking when the scheduling window is too small. 
If the instruction window is < NumRegs/2, pressure tracking is not
likely to be effective. The scheduler has to process a very large
number of tiny blocks. We want this to be fast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189991 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:11 +00:00
Andrew Trick
d1d0d37a19 mi-sched: Load clustering is a bit to expensive to enable unconditionally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189990 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:08 +00:00
Andrew Trick
00b5fa4c28 mi-sched: Reuse an invalid HazardRecognizer to save compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189989 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:05 +00:00
Andrew Trick
40b52bb8f2 mi-sched: bypass heuristic checks when regpressure tracking is disabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189988 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 21:00:02 +00:00
Andrew Trick
42ebb3ad41 Added -misched-regpressure option. 
Register pressure tracking is half the complexity of the
scheduler. It's useful to be able to turn it off for compile time and
performance comparisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189987 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 20:59:59 +00:00
Arnold Schwaighofer
b4b7a52ec5 Change swift/vldm test case to be less dependent on allocation order 
'Force' values in registers using the calling convention. Now, we only depend on
the calling convention and that the allocator performs copy coalescing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189985 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 20:51:06 +00:00
Rafael Espindola
775079c227 Rename some variables to match the style guide. 
I am about to patch this code, and this makes the diff far more readable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189982 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 20:08:46 +00:00
Vincent Lejeune
f94eea9e11 R600: Use shared op optimization when checking cycle compatibility 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189981 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:53:54 +00:00
Vincent Lejeune
bb25a01d23 R600: Non vector only instruction can be scheduled on trans unit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189980 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:53:46 +00:00
Vincent Lejeune
b3df27d440 R600: Use SchedModel enum for is{Trans,Vector}Only functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189979 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:53:30 +00:00
Vincent Lejeune
09c52189ce R600: Remove fmul.v4f32.ll test which is redundant with fmul.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189978 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:53:22 +00:00
Eric Christopher
4dc211ae39 Unify and clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189977 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:53:21 +00:00
Rafael Espindola
2421572dd9 Merge these 2 tests in a single file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189975 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:19:32 +00:00
Jim Grosbach
1bfa80359e ARM: Teach A15 SDOptimizer to properly handle D-reg by-lane. 
These instructions, such as vmul.f32, require the second source operand to
be in D0-D15 rather than the full D0-D31. When optimizing, make sure to
account for that by constraining the register class of a replacement virtual
register to be compatible with the virtual register(s) it's replacing.

I've been unsuccessful in creating a non-fragile regression test. This issue
was detected by the LLVM nightly test suite running on an A15 (Bullet).

PR17093: http://llvm.org/bugs/show_bug.cgi?id=17093

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189972 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 19:08:44 +00:00
Rafael Espindola
1d7df349ab Small simplification given that insert of an empty range is a nop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189971 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 18:53:21 +00:00
Bill Wendling
ca7b43d01d Remove 'param' label from comments. They aren't used properly here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189970 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 18:48:12 +00:00
Rafael Espindola
0fb771667e Refactor duplicated logic to a helper function. 
No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189969 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 18:37:36 +00:00
Rafael Espindola
8b08904e6c Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189967 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 18:16:02 +00:00
Dmitri Gribenko
072bd45a36 MemoryBufer: add a test: check that a file with size that is a multiple of the 
page size can be null terminated correctly by MemoryBuffer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189965 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 18:02:13 +00:00
Rafael Espindola
66efc63d87 Rename variables to match the style guide and clang-format. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189962 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 17:44:24 +00:00
Arnold Schwaighofer
3d476a80e9 Swift: Only build vldm/vstm with q register aligned register lists 
Unaligned vldm/vstm need more uops and therefore are slower in general on swift.

radar://14522102

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189961 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 17:41:16 +00:00
Silviu Baranga
87b120690b Fix scheduling for vldm/vstm instructions that load/store more than 32 bytes on Cortex-A9. This also makes the existing code more compact. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189958 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 17:05:18 +00:00
Rafael Espindola
9718158222 Revert "Add r159136 back now that pr13124 has been fixed." 
This reverts commit r189886.

I found a corner case where this optimization is not valid:

Say we have a "linkonce_odr unnamed_addr" in two translation units:
* In TU 1 this optimization kicks in and makes it hidden.
* In TU 2 it gets const merged with a constant that is *not* unnamed_addr,
  resulting in a non unnamed_addr constant with default visibility.
* The static linker rules for combining visibility them produce a hidden
  symbol, which is incorrect from the point of view of the non unnamed_addr
  constant.

The one place we can do this is when we know that the symbol is not used from
another TU in the same shared object, i.e., during LTO. I will move it there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189954 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 16:09:01 +00:00
Alexander Kornienko
280e5eef43 Move generic isPrint and columnWidth implementations to a separate header/source to allow using both generic and system-dependent versions on win32. 
Summary:
This is needed so we can use generic columnWidthUTF8 in clang-format on
win32 simultaneously with a separate system-dependent implementations of
isPrint/columnWidth in TextDiagnostic.cpp to avoid attempts to print Unicode
characters using narrow-character interfaces (which is not supported on Windows,
and we'll have to figure out how to handle this).

Reviewers: jordan_rose

Reviewed By: jordan_rose

CC: llvm-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D1559

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189952 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 16:00:12 +00:00
Rafael Espindola
9127334dad Error on linking appending globals with different unnamed_addr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189950 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 15:33:34 +00:00
Venkatraman Govindaraju
bf34f34642 [Sparc] Fix an assertion failure while lowering fcmp on long double. 
This assertion is triggered because an integer constant is created with wrong
  type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189948 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 15:15:20 +00:00
Rafael Espindola
6947f10ec4 Fix linking of unnamed_addr in functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189945 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:59:03 +00:00
Rafael Espindola
254f75095b Rename in preparation for adding tests for function linking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189944 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:40:49 +00:00
Rafael Espindola
2396be0c6e Use CHECK-DAG instead of sort. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189942 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:35:48 +00:00
NAKAMURA Takumi
16eedf0ba0 Support/Process: Add comments about PageSize and AllocationGranularity on Cygwin and Win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189940 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:12:26 +00:00
NAKAMURA Takumi
81b135cc1e MemoryBuffer.cpp: Don't peek the next page if file is multiple of *physical* pagesize(4k) but is not multiple of AllocationGranularity(64k), when a null terminator is required, on cygwin and win32. 
For example, r189780's SparcISelLowering.cpp has the size 98304. It crashed clang to touch a null terminator on cygwin.

FIXME: It's not good to hardcode 4096 here. dwPageSize shows 4096.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189939 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:12:19 +00:00
NAKAMURA Takumi
a53ee67e5e Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189938 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-09-04 14:12:12 +00:00