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c5ffb45934
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5344 Commits

Author SHA1 Message Date
Duncan Sands
c5ffb45934 Make sure the alignment of the temporary created 
in CreateStackStoreLoad is good enough for both
the source and destination types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53404 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:26:17 +00:00
Duncan Sands
f4e4629ee8 Make the LegalizeType method naming scheme more regular. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53403 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 15:25:04 +00:00
Duncan Sands
e1d97b1a74 Don't barf when dumping a constant that contains 
a ginormous value (eg: i128 -1).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53402 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 11:23:14 +00:00
Evan Cheng
ef0732d25a - Change the horrible N^2 isRegReDefinedByTwoAddr. Now callers must supply the operand index of def machineoperand and at most one full scan of non-implicit operands is needed. 
- Change local register allocator to use the new isRegReDefinedByTwoAddr instead of reinventing the wheel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53394 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 07:35:43 +00:00
Owen Anderson
743a1e6a9c Use DenseMap instead of std::map in local register allocation. This improves the time on instcombine from .31s to .22s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:56:35 +00:00
Owen Anderson
ecee36ece6 Fix 403.gcc. Finally got the check for two-address-ness correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-10 01:53:01 +00:00
Owen Anderson
eacdef21c6 Revert r53367, which was breaking things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53378 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 23:09:10 +00:00
Dan Gohman
b9c33c3229 Simplify hasNUsesOfValue and hasAnyUsesOfValue even more. This 
makes their special-case checks of use_size() less beneficial,
so remove them. This eliminates all but one use of use_size(),
which is in AssignTopologicalOrder, which uses it only once for
each node, and so can reasonably afford to recompute it, as
this allows the UsesSize field of SDNode to be removed
altogether.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53377 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 23:03:14 +00:00
Dan Gohman
1373c1c395 hasAnyUseOfValue can check SDUse nodes of its users directly instead 
of examining every operand of every user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53374 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 22:39:01 +00:00
Dan Gohman
1ea58a52a4 Move MemoryVT out of LSBaseNode into MemSDNode, allowing the 
getMemOperand function to be moved into the base class as well
and made non-virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53372 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 22:08:04 +00:00
Evan Cheng
d411419422 Avoid creating expensive comment string if it's not going to be printed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53369 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:53:02 +00:00
Owen Anderson
eb580ee133 Loosen our check here. Local regalloc only cares that the reg is used and def'd by the same instruction, but about the details of 
the relationship.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53367 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:34:36 +00:00
Dan Gohman
492f276cbc Move the IsVolatile and SVOffset fields into the MemSDNode base 
class, and store IsVolatile and Alignment in a more compact form.
This makes AtomicSDNode slightly larger, but it shrinks LoadSDNode
and StoreSDNode, which are much more common and are the largest of
the SDNode subclasses. Also, this lets the isVolatile() and
getAlignment() accessors be non-virtual.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53361 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:23:02 +00:00
Owen Anderson
dd4b47c9b2 Don't use an expensive check for two-address-ness when we have the information sitting around to determine it much more quickly, 
This speeds up the local register allocator from 0.37s to 0.31s on instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 21:15:10 +00:00
Owen Anderson
9094db17b4 Factor local liveness computation out into its own function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53352 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:14:53 +00:00
Dan Gohman
85e6815d83 Reuse the MO variable instead of recomputing it in RegAllocLocal. 
Keep RegAllocSimple in sync.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53351 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 20:12:26 +00:00
Dan Gohman
88cef2480f Give RegAllocSimple a TargetInstrInfo member to keep it consistent 
with RegAllocLocal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53347 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:56:01 +00:00
Dan Gohman
8849054624 RegAllocLocal has a TargetInstrInfo data member. Use it instead 
of having local variables duplicate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53346 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:55:19 +00:00
Dan Gohman
0383bc014c Use find with std::map, when that's what's needed, instead of lower_bound 
with extra checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53344 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 19:51:00 +00:00
Anton Korobeynikov
e87f52d722 Switch to new section name handling facility 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53316 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 13:27:16 +00:00
Duncan Sands
dd1c20d258 Remove some unneeded includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 12:08:25 +00:00
Duncan Sands
b5508e4237 Redo LegalizeTypes soft float support for 
SINT_TO_FP and UINT_TO_FP.  This now produces
the same code as LegalizeDAG (the previous
code was based on a mistaken idea of what
LegalizeDAG did in this case).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53288 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 12:07:22 +00:00
Duncan Sands
452911c468 Forgot to update the chain result when softening 
loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:15:31 +00:00
Duncan Sands
f8568b464f LegalizeTypes soft float support for FP_TO_SINT and 
FP_TO_UINT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53286 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:13:46 +00:00
Duncan Sands
851b1ee83f LegalizeTypes support for powi soft float. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53285 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 11:11:47 +00:00
Duncan Sands
ddc7aa3417 Make the role of MVT::i32 clearer here, and add a 
note since it is not clear whether it is correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53284 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 08:07:41 +00:00
Evan Cheng
1afe5c3ff8 Missed alignment argument on stores lowered from memcpy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53281 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 06:38:06 +00:00
Bill Wendling
3e30cbb457 Make the DICountVisitor not a visitor. This keeps us from calling virtual 
functions and junk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53279 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 06:02:33 +00:00
Dan Gohman
f877b735ad const-ify SelectionDAG::getNodeValueTypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53264 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-09 00:00:42 +00:00
Dan Gohman
4e526b9a5b It's no longer necessary to test if a MachineBasicBlock's 
parent is non-null. It now always is.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53263 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 23:59:09 +00:00
Dan Gohman
f1bf29e648 Verify that MachineMemOperand alignment is a non-zero power of 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53262 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 23:47:04 +00:00
Dan Gohman
9c6e70eca9 Factor out the code for computing an alignment value, and make it 
available to getAtomic in addition to just getLoad and getStore,
to prevent MachineMemOperands with 0 alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53261 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 23:46:32 +00:00
Owen Anderson
0966f0f0e4 Fix the build. Apparently MachineInstr& is no longer implicitly convertable to MachineBasicBlock::iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53260 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 23:36:37 +00:00
Owen Anderson
491fccc4b4 Make the local register allocator compute (purely local) liveness information for itself 
rather than depending on LiveVariables.  This decreases compile time from:
0.5909s (LV + Regalloc) to 0.421s (just regalloc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53256 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 22:24:50 +00:00
Dale Johannesen
33d9b356ab Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53253 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 21:53:43 +00:00
Evan Cheng
71e8685633 Do not CSE DEBUG_LOC, DBG_LABEL, DBG_STOPPOINT, DECLARE, and EH_LABEL SDNode's. This improves compile time slightly at -O0 -g. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53246 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 20:06:39 +00:00
Duncan Sands
7ba11c552b Remove custom expansion from LegalizeTypes when doing 
soft float: experiments show that targets aren't
expecting this for results or for operands.  Add
support select/select_cc result soft float and
correct operand soft float for these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53245 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 20:03:24 +00:00
Duncan Sands
3a2eb297af Add missing select_cc libcall line, somehow omitted 
in LegalizeTypes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53244 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 20:00:05 +00:00
Evan Cheng
ab8faba2fb Unbreak C++ tests on x86 Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53237 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 16:40:43 +00:00
Duncan Sands
28124ac606 LegalizeTypes support for FP_ROUND and FP_EXTEND 
soft float.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53231 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 10:50:55 +00:00
Evan Cheng
77c8f7674d Avoid unnecessary string construction during asm printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53215 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-08 00:55:58 +00:00
Dan Gohman
8e5f2c6f65 Pool-allocation for MachineInstrs, MachineBasicBlocks, and 
MachineMemOperands. The pools are owned by MachineFunctions.

This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53212 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 23:14:23 +00:00
Dan Gohman
0e5f1306b0 Pool-allocation for SDNodes. The pool is allocated once for each function, 
and reused across SelectionDAGs.

This drastically reduces the number of calls to malloc/free made during
instruction selection, and improves memory locality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53211 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 23:02:41 +00:00
Bill Wendling
4925567f85 Use the canonical way to get an empty structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53206 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 21:41:57 +00:00
Bill Wendling
667a68b96a Use StringMap for greater justice! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53202 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 20:59:31 +00:00
Dan Gohman
0fe9c6e7ba Fix SDNode::MorphNodeTo (a function used by by SelectNodeTo) to 
properly track dead nodes that are on the original SDNode's operand
list but not the new one, and have no other uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53201 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 20:57:48 +00:00
Dan Gohman
ce42e404a2 Move MachineMemOperand's constructor out of line, to avoid a 
#include dependency on Support/MathExtras.h in the header file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53200 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 20:32:02 +00:00
Dan Gohman
fd3ff032b8 Use of operator* is redundant and confusing here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53197 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 20:08:05 +00:00
Dan Gohman
4542611bb9 Minor const-correctness fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53196 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 20:06:06 +00:00
Dan Gohman
03bafaf802 Assert that all MachineInstrs update PhysRegUseDefLists in 
their cleanup code. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53194 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-07 19:55:35 +00:00