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Author SHA1 Message Date
Jakob Stoklund Olesen
fa796dd720 Teach antidependency breakers to use RegisterClassInfo. 
No functional change was intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133202 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:56:21 +00:00
Chris Lattner
354eee7c8a forward declare GraphTraits in Type.h instead of #includ'ing it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133201 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:49:23 +00:00
Andrew Trick
c86f24c296 cmake may require LIT_TOOLS_DIR. 
Reviewed by chapuni. Sorry for breaking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133200 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:48:57 +00:00
Chris Lattner
1d0a815ee4 change Type.h to forward declare ArrayRef instead of #including it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:37:15 +00:00
Chris Lattner
e817127e0a add some #includes that will soon be needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133195 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:36:36 +00:00
Chris Lattner
b9a7187f4b prune #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:27:52 +00:00
Chris Lattner
6091eb9d7f move the address space into the subclass data field, saving a word on PointerType. 
This limits the # address spaces to 2^23, which should be good enough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:17:17 +00:00
Chris Lattner
e43d745b5c tidy up some comments, store the 'isvararg' bit for FunctionType in 
the SubclassData field, saving a word.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133191 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:08:21 +00:00
Chris Lattner
ae5a0b5378 remove Type::getVAArgsPromotedType, which is dead, and tidy up a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:00:43 +00:00
Nick Lewycky
d61f84ee65 There's no need to be so picky about the particular register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133189 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 21:00:00 +00:00
Dan Gohman
0860d0ba2f Fix ARCOpt to insert releases on both successors of an invoke rather 
than trying to insert them immediately after the invoke.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133188 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 20:57:14 +00:00
Jakob Stoklund Olesen
714c0eb811 Move PBQP off allocation_order_begin. No functional change intended. 
I think PBQP could use RegisterClassInfo, but it didn't fit neatly with
the external interfaces that PBQP uses, so I'll leave that to Lang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 20:37:45 +00:00
Jakub Staszak
7cc2b07437 Introduce MachineBranchProbabilityInfo class, which has similar API to 
BranchProbabilityInfo (expect setEdgeWeight which is not available here).
Branch Weights are kept in MachineBasicBlocks. To turn off this analysis
set -use-mbpi=false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133184 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 20:22:37 +00:00
Owen Anderson
1300f3019e Change the REG_SEQUENCE SDNode to take an explict register class ID as its first operand. This operand is lowered away by the time we reach MachineInstrs, so the actual register-allocation handling of them doesn't need to change. 
This is intended to support using REG_SEQUENCE SDNode's with type MVT::untyped, and is part of the long road to eliminating some of the hacks we currently use to support register pairs and other strange constraints, particularly on ARM NEON.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133178 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 18:17:13 +00:00
Jakob Stoklund Olesen
43641a5d17 Switch linear scan to using RegisterClassInfo. 
This avoids the manual filtering of reserved registers and removes the
dependency on allocation_order_begin().

Palliative care...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 18:17:00 +00:00
Galina Kistanova
240aa60665 Move test for appropriate directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 18:13:57 +00:00
Bruno Cardoso Lopes
c75448c740 Mark ldrexd/strexd w/ volatile memory by default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133175 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 18:11:32 +00:00
Jakub Staszak
12af5ff720 Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133174 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 18:01:17 +00:00
Justin Holewinski
e0aef2de81 PTX: Finish new calling convention implementation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133172 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 17:50:00 +00:00
Justin Holewinski
1b91bcddd5 PTX: Rename register classes for readability and combine int and fp registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 17:49:58 +00:00
Jakob Stoklund Olesen
79c890f64f Add TargetRegisterInfo::getRawAllocationOrder(). 
This virtual function will replace allocation_order_begin/end as the one
to override when implementing custom allocation orders. It is simpler to
have one function return an ArrayRef than having two virtual functions
computing different ends of the same array.

Use getRawAllocationOrder() in place of allocation_order_begin() where
it makes sense, but leave some clients that look like they really want
the filtered allocation orders from RegisterClassInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 17:42:25 +00:00
Nick Lewycky
1e85ef645d Add testcase for r133050 which added support for printing and parsing escaped 
names for named metadata nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133166 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 17:14:38 +00:00
Owen Anderson
23b0766b47 Fix formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133164 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 16:52:24 +00:00
Dan Gohman
129bd56eeb Document nonlazybind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133160 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 16:03:13 +00:00
Dan Gohman
a0697a7ef5 Add a comment describing why transforming (shl x, 1) to (add x, x) is to be 
considered safe enough in this context.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133159 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 15:55:48 +00:00
Justin Holewinski
ec3141b27f PTX: Fix whitespace errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133158 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 15:17:11 +00:00
Bruno Cardoso Lopes
d381a7a91e Add AVX suport for fpextend. 
Original patch by Syoyo Fujita with more comments by me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133153 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 07:03:21 +00:00
Jakob Stoklund Olesen
2559011a01 Prempt some obnoxious compiler from complaing about signed/unsigned 
compares.

2^30 is actually the limit on the number of physical registers per
TargetRegisterInfo.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133142 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 03:07:40 +00:00
Jakob Stoklund Olesen
0cc0929efc Make sure to pass an unsigned to a printf format that is always %u. 
This should unbreak the native ARM testers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133141 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 02:55:56 +00:00
Eli Friedman
e8e1e4444b FileCheck-ize test, and make it work on EABI hosts, like clang-native-arm-cortex-a9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133139 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 02:36:32 +00:00
Eli Friedman
33b4f725ea Force a triple here so this test doesn't fail on EABI hosts (like clang-native-arm-cortex-a9). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133134 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:49:31 +00:00
Nick Lewycky
3cae396e03 Commit the right set of tests for r133124. Sorry 'bout that! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133133 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:35:45 +00:00
Andrew Trick
9b91a88f1d Reenabling this test with REQUIRES: Asserts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133132 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:34:41 +00:00
Andrew Trick
05c087d893 Add support to lit for build mode requirements. e.g. 
REQUIRES: Asserts
REQUIRES: Debug

This required chaining test configuration properties. It seems like a
generally good thing to do.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133131 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:33:35 +00:00
Chad Rosier
6fce128dd1 Typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133128 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:24:24 +00:00
Chad Rosier
689edc8b28 Revision r128665 added an optimization to make use of NEON multiplier 
accumulator forwarding.  Specifically (from SVN log entry):

Distribute (A + B) * C to (A * C) + (B * C) to make use of NEON multiplier
accumulator forwarding:
vadd d3, d0, d1
vmul d3, d3, d2
=>
vmul d3, d0, d2
vmla d3, d1, d2

Make sure it catches cases where operand 1 is add/fadd/sub/fsub, which was
intended in the original revision.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:21:54 +00:00
Nick Lewycky
c06b5bf340 Add a DAGCombine for (ext (binop (load x), cst)). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133124 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 01:15:49 +00:00
Bruno Cardoso Lopes
e0b5cfcae8 Silence warnings in non assert builds. Patch by David Blaikie 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133118 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 00:40:02 +00:00
Anna Zaks
589badd863 Rename the test. Thanks Cameron! Use shorter/generic names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133115 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 00:34:10 +00:00
Anna Zaks
3c397eb741 Function::getNumBlockIDs() should be used instead of Function::size() to set the upper limit on the block IDs since basic blocks might get removed (simplified away) after being initially numbered. Plus the test case, in which SelectionDAGBuilder::visitBr() calls llvm::MachineFunction::removeFromMBBNumbering(), which introduces the hole in numbering leading to an assert in llc (prior to the fix). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133113 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-16 00:03:21 +00:00
Eli Friedman
992205ac71 Add a limit to the number of instructions memdep will scan in a single block. This prevents (at least in some cases) O(N^2) runtime in passes like DSE. 
The limit in this patch is probably too high, but it is enough to stop DSE from going completely insane on a testcase I have (which has a single block with around 50,000 non-aliasing stores in it).

rdar://9471075



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133111 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:59:25 +00:00
John McCall
9fbd318d36 The ARC language-specific optimizer. Credit to Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133108 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:37:01 +00:00
Dylan Noblesmith
5f36bb1759 unittests: add test for APInt::toString() 
Follow up to r133032.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133107 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:36:34 +00:00
Owen Anderson
77b4b13c2a Add a new MVT::untyped. This will be used in future work for modelling ISA features like register pairs and lists with "interesting" constraints (such as ARM NEON contiguous register lists or even-odd paired registers). We need to be able to generate these instructions (often from intrinsics), but don't want to have to assign a legal type to them. Instead, we'll use an "untyped" edge to bypass the type-checking and simply ensure that the register classes match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133106 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:35:18 +00:00
Jakob Stoklund Olesen
f28987b76e Use set operations instead of plain lists to enumerate register classes. 
This simplifies many of the target description files since it is common
for register classes to be related or contain sequences of numbered
registers.

I have verified that this doesn't change the files generated by TableGen
for ARM and X86. It alters the allocation order of MBlaze GPR and Mips
FGR32 registers, but I believe the change is benign.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133105 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 23:28:14 +00:00
John McCall
f14bacc862 Update the Clang diagnostic emitter to emit IDs for diagnostic categories. 
Patch by Argyrios Kyrtzidis.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133093 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 21:43:52 +00:00
Rafael Espindola
cff6193ebd Testcase for previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133089 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 21:18:51 +00:00
Eli Friedman
b53c7937c5 Simplify; no significant functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133086 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 21:08:25 +00:00
Rafael Espindola
0ad2dc46d9 Fix cmake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133085 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 21:03:04 +00:00
Rafael Espindola
aeb6da46ce Handle jump tables. Test to follow soon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133083 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-15 21:00:28 +00:00