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Author SHA1 Message Date
Andrew Trick
0a39d4e4c8 misched: Added ScoreboardHazardRecognizer. 
The Hazard checker implements in-order contraints, or interlocked
resources. Ready instructions with hazards do not enter the available
queue and are not visible to other heuristics.

The major code change is the addition of SchedBoundary to encapsulate
the state at the top or bottom of the schedule, including both a
pending and available queue.

The scheduler now counts cycles in sync with the hazard checker. These
are minimum cycle counts based on known hazards.

Targets with no itinerary (x86_64) currently remain at cycle 0. To fix
this, we need to provide some maximum issue width for all targets. We
also need to add the concept of expected latency vs. minimum latency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157427 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:11:09 +00:00
Andrew Trick
2aa689dfbf misched: Release bottom roots in reverse order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157426 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:11:05 +00:00
Andrew Trick
8c2d9212a9 misched: rename ReadyQ class 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157425 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:11:03 +00:00
Andrew Trick
c8fe4ecb47 misched: copy comments so compareRPDelta is readable by itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157424 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:11:01 +00:00
Andrew Trick
5f887fab35 regpressure: Added RegisterPressure::dump 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157423 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:10:59 +00:00
Andrew Trick
a7de4b99e4 regpressure: physreg livein/out fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157422 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:10:57 +00:00
David Blaikie
28a5ab2fb4 Fix for CHECK-NOT misspelling. 
Patch by Nicklas Bo Jensen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157421 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 22:08:29 +00:00
Justin Holewinski
42a0b48dd3 Remove the PTX back-end and all of its artifacts (triple, etc.) 
This back-end was deprecated in favor of the NVPTX back-end.

NV_CONTRIB

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157417 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 21:38:21 +00:00
Owen Anderson
6b31d4ea36 Teach tblgen's set theory "sequence" operator to support an optional stride operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157416 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 21:37:08 +00:00
Chad Rosier
d6d05e3f78 Typo. Patch by Nicklas Bo Jensen <nbjensen@gmail.com>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157415 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 21:17:47 +00:00
Akira Hatanaka
c784395a79 Turn on mips16 pseudo op when compiling for mips16. 
Expand test case for this.

Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157410 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 18:37:43 +00:00
Akira Hatanaka
4a5a8949cd Enable Mips16 compiler to compile a null program. 
First code from the Mips16 compiler. Includes trivial test program.

Patch by Reed Kotler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157408 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 18:32:33 +00:00
David Blaikie
8d2a004822 Silence Clang's -Wlogical-op-parentheses warning. 
I'm not sure it's really worth expressing this as a range rather than 3 specific equalities, but it doesn't seem fundamentally wrong either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157398 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 17:11:00 +00:00
Tobias Grosser
057beb8d4f Add half support to LLVM (for OpenCL) 
Submitted by: Anton Lokhmotov  <Anton.Lokhmotov@arm.com>

Approved by: o Anton Korobeynikov
             o Micah Villmow
             o David Neto

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157393 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 15:59:06 +00:00
Meador Inge
91bf23e6b7 Testing commit access 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157389 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 14:20:13 +00:00
Stepan Dyatkovskiy
e98a88957e PR1255 related changes (case ranges): 
LowerSwitch::Clusterify : main functinality was replaced with CRSBuilder::optimize, so big part of Clusterify's code was reduced.
test/Transform/LowerSwitch/feature.ll - this test was refactored: grep + count was replaced with FileCheck usage.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157384 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 09:33:20 +00:00
Patrik Hägglund
c3cd3956e6 Fix -Wcovered-switch-default warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157381 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 07:51:46 +00:00
Craig Topper
6366361998 Convert assert(0) to llvm_unreachable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157380 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 07:02:50 +00:00
Bill Wendling
7a437a0a6f Remove old release notes. Ready them for additions from current development 
cycle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157378 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 06:38:09 +00:00
Craig Topper
e329810482 Mark some static arrays as const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157377 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 06:35:32 +00:00
Craig Topper
c5ce4d1d52 Use uint16_t to store registers in static tables. Matches other tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157375 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 06:09:56 +00:00
Craig Topper
53146a29bc Use uint16_t to store register number in static tables to match other tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157374 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 05:55:47 +00:00
Craig Topper
51f50c1106 Make some opcode tables static and const. Allows code to avoid making copies to pass the tables around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157373 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 05:17:00 +00:00
Joel Jones
175e6f75fb Reflect that tblgen is now llvm-tblgen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157371 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 04:38:50 +00:00
Craig Topper
6fcf129cf5 Mark a couple arrays as static and const. Use array_lengthof instead of sizeof/sizeof. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157369 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 04:22:05 +00:00
Craig Topper
032f441afc Mark a static array as const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157368 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 04:11:15 +00:00
Craig Topper
cd2859eef8 Mark a static table as const. Shrink opcode size in static tables to uint16_t. Simplify loop iterating over one of those tables. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157367 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-24 03:59:11 +00:00
Chad Rosier
3fb6eca0cd Tidy up naming for consistency and other cleanup. No functional change intended. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157358 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 23:45:10 +00:00
Jakob Stoklund Olesen
39867e6646 Add a test case for global live range splitting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157357 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 23:42:23 +00:00
Jakob Stoklund Olesen
d74d284757 Add a last resort tryInstructionSplit() to RAGreedy. 
Live ranges with a constrained register class may benefit from splitting
around individual uses. It allows the remaining live range to use a
larger register class where it may allocate. This is like spilling to a
different register class.

This is only attempted on constrained register classes.

<rdar://problem/11438902>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157354 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 22:37:27 +00:00
Bill Wendling
dbb4e57a3c Forgot to reverse conditional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157349 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 22:12:50 +00:00
Bill Wendling
20350db448 Reduce indentation by early detection of 'continue'. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157348 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 22:09:50 +00:00
Nicolas Geoffray
49efb1a6e7 llvm-ld does not exist anymore, use llvm-link instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157342 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 20:34:19 +00:00
Kaelyn Uhrain
63c5c371d8 Fix typo in flag to opt, and also a CHECK-NEXT that doesn't follow a 
CHECK. The latter error was hidden by the former, and the test harness
used by e.g. "make check" silently ignored that opt was printing an
error message about an unknown flag instead of running on the test file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157341 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 20:21:36 +00:00
Jakob Stoklund Olesen
e3b548219f Correctly deal with identity copies in RegisterCoalescer. 
Now that the coalescer keeps live intervals and machine code in sync at
all times, it needs to deal with identity copies differently.

When merging two virtual registers, all identity copies are removed
right away. This means that other identity copies must come from
somewhere else, and they are going to have a value number.

Deal with such copies by merging the value numbers before erasing the
copy instruction. Otherwise, we leave dangling value numbers in the live
interval.

This fixes PR12927.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157340 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 20:21:06 +00:00
Tim Northover
4c8657a957 Fix how CMake appends -m32 to linker command-lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157337 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 18:42:02 +00:00
Chad Rosier
1c8fccbc12 [arm-fast-isel] Add support for non-global callee. 
Patch by Jush Lu <jush.msn@gmail.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157336 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 18:38:57 +00:00
Nuno Lopes
2b52630094 BoundsChecking: add a couple of simple tests and fix a bug in branch emition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157329 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 16:24:52 +00:00
Nuno Lopes
ee8100d70a revert r156383: removal of TYPE_CODE_FUNCTION_OLD 
Apparently LLVM only stopped emitting this after LLVM 3.0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157325 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 15:19:39 +00:00
Patrik Hägglund
ab767213fd Fix the inliner so that the optsize function attribute don't alter the 
inline threshold if the global inline threshold is lower (as for -Oz).

Reviewed by Chandler Carruth and Bill Wendling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157323 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 13:42:57 +00:00
Patrik Hägglund
9ce6f6fe5e Fixed typo in r156905. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157320 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 12:34:56 +00:00
Patrik Hägglund
d76938788b Small fix for the debug output from PBQP (PR12822). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157319 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 12:12:58 +00:00
Evgeniy Stepanov
06fdbaa914 Use zero-based shadow by default on Android. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157317 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 11:52:12 +00:00
Stepan Dyatkovskiy
a2067fbe22 PR1255(case ranges) related changes in Local Transformations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157315 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 08:18:26 +00:00
Craig Topper
88097819fc Tidy up spacing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157313 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 05:44:51 +00:00
Chris Lattner
a48289a672 small refinement to r157218 to save a tiny amount of table size in the common 
case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157312 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 05:19:18 +00:00
Craig Topper
82dd67a1c8 Fix indentation of wrapped line for readability. No functional change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157309 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 03:59:53 +00:00
Eric Christopher
bb0f6eac1f Add support for C++11 enum classes in llvm. 
Part of rdar://11496790

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157303 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-23 00:09:20 +00:00
Nuno Lopes
2f0a748452 address some of John Criswell's comments 
teach computeAllocSize about realloc, reallocf, and valloc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157298 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-22 22:02:19 +00:00
NAKAMURA Takumi
dd051a0414 ARMDisassembler.cpp: Fix utf8 char in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157292 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-05-22 21:47:02 +00:00