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Author SHA1 Message Date
Jakob Stoklund Olesen
87e444d0a5 Compress MCRegisterInfo register name tables. 
Store (debugging) register names as offsets into a string table instead
of as char pointers.

llvm-svn: 157449
 2012-05-25 00:21:41 +00:00
Eli Friedman
d89582030a Simplify code for calling a function where CanLowerReturn fails, fixing a small bug in the process. 
llvm-svn: 157446
 2012-05-25 00:09:29 +00:00
Kaelyn Uhrain
74138c341a Silence unused variable warnings from when assertions are disabled. 
llvm-svn: 157438
 2012-05-24 23:37:49 +00:00
Andrew Trick
72d8f7c1df misched: Use the same scheduling heuristics with -misched-topdown/bottomup. 
(except the part about choosing direction)

llvm-svn: 157437
 2012-05-24 23:11:17 +00:00
Jakob Stoklund Olesen
d695e1cc67 Shrink. 
llvm-svn: 157433
 2012-05-24 22:17:44 +00:00
Jakob Stoklund Olesen
e263c35c03 Add support for range expressions in TableGen foreach loops. 
Like this:

  foreach i = 0-127 in ...

Use braces for composite ranges:

  foreach i = {0-3,9-7} in ...

llvm-svn: 157432
 2012-05-24 22:17:39 +00:00
Jakob Stoklund Olesen
4d1e62df51 Don't put TGParser scratch results in the output. 
Only fully expanded Records should go into RecordKeeper.

llvm-svn: 157431
 2012-05-24 22:17:36 +00:00
Jakob Stoklund Olesen
34ca22c4f0 Simplify TGParser::ProcessForEachDefs. 
Use static type checking.

llvm-svn: 157430
 2012-05-24 22:17:33 +00:00
Andrew Trick
699439a90d misched: Trace regpressure. 
llvm-svn: 157429
 2012-05-24 22:11:14 +00:00
Andrew Trick
95b9cef3da misched: Give each ReadyQ a unique ID 
llvm-svn: 157428
 2012-05-24 22:11:12 +00:00
Andrew Trick
3152745a8f 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.

llvm-svn: 157427
 2012-05-24 22:11:09 +00:00
Andrew Trick
5ca7d67b39 misched: Release bottom roots in reverse order. 
llvm-svn: 157426
 2012-05-24 22:11:05 +00:00
Andrew Trick
0e174b3a0e misched: rename ReadyQ class 
llvm-svn: 157425
 2012-05-24 22:11:03 +00:00
Andrew Trick
155f812f54 misched: copy comments so compareRPDelta is readable by itself. 
llvm-svn: 157424
 2012-05-24 22:11:01 +00:00
Andrew Trick
523d3614e0 regpressure: Added RegisterPressure::dump 
llvm-svn: 157423
 2012-05-24 22:10:59 +00:00
Andrew Trick
d0de06a312 regpressure: physreg livein/out fix 
llvm-svn: 157422
 2012-05-24 22:10:57 +00:00
David Blaikie
74e7769ec9 Fix for CHECK-NOT misspelling. 
Patch by Nicklas Bo Jensen.

llvm-svn: 157421
 2012-05-24 22:08:29 +00:00
Justin Holewinski
ee3de35dee 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

llvm-svn: 157417
 2012-05-24 21:38:21 +00:00
Owen Anderson
03e1ab9c5b Teach tblgen's set theory "sequence" operator to support an optional stride operand. 
llvm-svn: 157416
 2012-05-24 21:37:08 +00:00
Chad Rosier
f365172309 Typo. Patch by Nicklas Bo Jensen <nbjensen@gmail.com>. 
llvm-svn: 157415
 2012-05-24 21:17:47 +00:00
Akira Hatanaka
a169c70246 Turn on mips16 pseudo op when compiling for mips16. 
Expand test case for this.

Patch by Reed Kotler.

llvm-svn: 157410
 2012-05-24 18:37:43 +00:00
Akira Hatanaka
44ebe6c79d Enable Mips16 compiler to compile a null program. 
First code from the Mips16 compiler. Includes trivial test program.

Patch by Reed Kotler.

llvm-svn: 157408
 2012-05-24 18:32:33 +00:00
David Blaikie
93e40b754a 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.

llvm-svn: 157398
 2012-05-24 17:11:00 +00:00
Tobias Grosser
acbe458a3f 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

llvm-svn: 157393
 2012-05-24 15:59:06 +00:00
Meador Inge
46482b6a11 Testing commit access 
llvm-svn: 157389
 2012-05-24 14:20:13 +00:00
Stepan Dyatkovskiy
547b0e29d9 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.

llvm-svn: 157384
 2012-05-24 09:33:20 +00:00
Patrik Hägglund
c4698b4c42 Fix -Wcovered-switch-default warning. 
llvm-svn: 157381
 2012-05-24 07:51:46 +00:00
Craig Topper
155599cf7a Convert assert(0) to llvm_unreachable. 
llvm-svn: 157380
 2012-05-24 07:02:50 +00:00
Bill Wendling
0528ea62b4 Remove old release notes. Ready them for additions from current development 
cycle.

llvm-svn: 157378
 2012-05-24 06:38:09 +00:00
Craig Topper
936702e142 Mark some static arrays as const. 
llvm-svn: 157377
 2012-05-24 06:35:32 +00:00
Craig Topper
c7b86c787d Use uint16_t to store registers in static tables. Matches other tables. 
llvm-svn: 157375
 2012-05-24 06:09:56 +00:00
Craig Topper
c5bd0cba8f Use uint16_t to store register number in static tables to match other tables. 
llvm-svn: 157374
 2012-05-24 05:55:47 +00:00
Craig Topper
082149564d Make some opcode tables static and const. Allows code to avoid making copies to pass the tables around. 
llvm-svn: 157373
 2012-05-24 05:17:00 +00:00
Joel Jones
b745d998b1 Reflect that tblgen is now llvm-tblgen 
llvm-svn: 157371
 2012-05-24 04:38:50 +00:00
Craig Topper
ed31fb2ec5 Mark a couple arrays as static and const. Use array_lengthof instead of sizeof/sizeof. 
llvm-svn: 157369
 2012-05-24 04:22:05 +00:00
Craig Topper
a34cbd451f Mark a static array as const. 
llvm-svn: 157368
 2012-05-24 04:11:15 +00:00
Craig Topper
2efe750a91 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. 
llvm-svn: 157367
 2012-05-24 03:59:11 +00:00
Chad Rosier
b11b7f8b69 Tidy up naming for consistency and other cleanup. No functional change intended. 
llvm-svn: 157358
 2012-05-23 23:45:10 +00:00
Jakob Stoklund Olesen
c2da6e579e Add a test case for global live range splitting. 
llvm-svn: 157357
 2012-05-23 23:42:23 +00:00
Jakob Stoklund Olesen
2313afcd00 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>

llvm-svn: 157354
 2012-05-23 22:37:27 +00:00
Bill Wendling
ad5fae97e3 Forgot to reverse conditional. 
llvm-svn: 157349
 2012-05-23 22:12:50 +00:00
Bill Wendling
9235b4e8b1 Reduce indentation by early detection of 'continue'. No functionality change. 
llvm-svn: 157348
 2012-05-23 22:09:50 +00:00
Nicolas Geoffray
bf7155d836 llvm-ld does not exist anymore, use llvm-link instead. 
llvm-svn: 157342
 2012-05-23 20:34:19 +00:00
Kaelyn Uhrain
148e4135bf 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.

llvm-svn: 157341
 2012-05-23 20:21:36 +00:00
Jakob Stoklund Olesen
ce44a7a9ae 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.

llvm-svn: 157340
 2012-05-23 20:21:06 +00:00
Tim Northover
62cf7e738b Fix how CMake appends -m32 to linker command-lines 
llvm-svn: 157337
 2012-05-23 18:42:02 +00:00
Chad Rosier
d9dca3aef3 [arm-fast-isel] Add support for non-global callee. 
Patch by Jush Lu <jush.msn@gmail.com>.

llvm-svn: 157336
 2012-05-23 18:38:57 +00:00
Nuno Lopes
36f35477a1 BoundsChecking: add a couple of simple tests and fix a bug in branch emition 
llvm-svn: 157329
 2012-05-23 16:24:52 +00:00
Nuno Lopes
68aaef6b21 revert r156383: removal of TYPE_CODE_FUNCTION_OLD 
Apparently LLVM only stopped emitting this after LLVM 3.0

llvm-svn: 157325
 2012-05-23 15:19:39 +00:00
Patrik Hägglund
51776725b8 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.

llvm-svn: 157323
 2012-05-23 13:42:57 +00:00