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6338 Commits

Author SHA1 Message Date
Misha Brukman
ce07e99dd6 * Moved author attribution to CREDITS.TXT 
* Removed trailing whitespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61927 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 16:40:25 +00:00
Misha Brukman
2a835f947a * Alphabetized #includes 
* Removed trailing whitespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61926 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 15:50:22 +00:00
Devang Patel
2ec78c4a63 Add APIs to record regions and variables. 
Again, shamelessly copied from MMI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61912 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 02:49:34 +00:00
Devang Patel
7a6e5a3531 Add APIs to manage scope using DebugInfo interface. 
This is a shameless copy of similar APIs from MachineModuleInfo. The copy from MMI will be deleted in near future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-08 02:33:41 +00:00
Dan Gohman
25fd4037a7 Remove redundant 'else's. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61891 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-07 22:30:55 +00:00
Evan Cheng
8f90b6eb2f The coalescer does not coalesce a virtual register to a physical register if any of the physical register's sub-register live intervals overlaps with the virtual register. This is overly conservative. It prevents a extract_subreg from being coalesced away: 
v1024 = EDI  // not killed
      =
      = EDI

One possible solution is for the coalescer to examine the sub-register live intervals in the same manner as the physical register. Another possibility is to examine defs and uses (when needed) of sub-registers. Both solutions are too expensive. For now, look for "short virtual intervals" and scan instructions to look for conflict instead.

This is a small win on x86-64. e.g. It shaves 403.gcc by ~80 instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-07 02:08:57 +00:00
Dan Gohman
2c91d102ec Fix a bug in ComputeLinearIndex computation handling multi-level 
aggregate types. Don't increment the current index after reaching
the end of a struct, as it will already be pointing at
one-past-the end. This fixes PR3288.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61828 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 22:53:52 +00:00
Devang Patel
5d31598954 Set up DwarfDebug using DebugInfo API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61822 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 21:07:30 +00:00
Bill Wendling
5fe1fac1dd Forgot that this was needed for Linux. This should fix the builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 19:13:55 +00:00
Owen Anderson
200ee7f521 The phi construction algorithm used for interval reconstruction is complicated by 
two address instructions.  We need to keep track of things we've processed AS USES
independetly of whether we've processed them as defs.

This fixes all known miscompilations when reconstruction is turned on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61802 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 07:53:32 +00:00
Dan Gohman
ce0d4b7a77 Update these argument lists for the isNormalMemory 
argument. This doesn't affect current functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61779 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 01:28:56 +00:00
Dan Gohman
fd2163bcf7 Use a latency value of 0 for the artificial edges inserted by 
AddPseudoTwoAddrDeps. This lets the scheduling infrastructure
avoid recalculating node heights. In very large testcases this
was a major bottleneck. Thanks to Roman Levenstein for finding
this!

As a side effect, fold-pcmpeqd-0.ll is now scheduled better
and it no longer requires spilling on x86-32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61778 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-06 01:19:04 +00:00
Devang Patel
78eb6ad633 Construct subprogram DIEs using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61772 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 23:21:35 +00:00
Devang Patel
c452324f60 Construct global variable DIEs using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61771 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 23:11:11 +00:00
Devang Patel
d1ca925093 Construct compile unit dies using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61768 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 23:03:32 +00:00
Bill Wendling
d60de51878 Revert r61415 and r61484. Duncan was correct that these weren't needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61765 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 22:53:45 +00:00
Dan Gohman
a80c859df3 Don't call setDepthDirty/setHeightDirty when adding an edge 
with latency 0, since it doesn't affect the depth or height.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 22:40:26 +00:00
Devang Patel
8526cc03a5 Extract source location info from DebugInfo. 
Add methods to add source location info in a DIE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 22:35:52 +00:00
Devang Patel
48d190f4d7 Add type DIEs using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61757 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 21:47:57 +00:00
Devang Patel
f421533661 Construct composite type DIE using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61741 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 19:55:51 +00:00
Dan Gohman
11df7e5157 TargetLowering.h #includes SelectionDAGNodes.h, so it doesn't need its 
own OpActionsCapacity magic number; it can just use ISD::BUILTIN_OP_END,
as long as it takes care to round up when needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61733 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 19:40:39 +00:00
Devang Patel
e520273172 s/ConstructType/ConstructTypeDIE/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61731 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 19:07:53 +00:00
Devang Patel
86ae142c51 Construct stuct field DIEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 18:59:44 +00:00
Devang Patel
c69bf2c832 Construct enumerator DIE using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61726 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 18:38:38 +00:00
Devang Patel
68afdc3ab0 Construct array/vector type DIEs using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 18:33:01 +00:00
Owen Anderson
d0ed240e30 Get rid of sentinel insertion in interval reconstruction. It just masked the 
problem, rather than fixing it.  The problem has now been fixed the right way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61723 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 18:32:26 +00:00
Dan Gohman
d68a07650c Tidy up #includes, deleting a bunch of unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:59:02 +00:00
Devang Patel
08f053f5d1 Construct basic and derived type DIEs using DebugInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:57:47 +00:00
Devang Patel
ca03c2705e subsume ConstructPointerType() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:45:59 +00:00
Devang Patel
9ede3f2f29 subsume ConstructBasicType(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61709 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:44:11 +00:00
Devang Patel
8a84e4402a squash warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:31:22 +00:00
Chris Lattner
02b73ab017 elf writer really wants the size of the global, not the size 
of the pointer to the global.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61630 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-04 20:19:20 +00:00
Bill Wendling
64f03003a1 The llvm::ELFWriter::EmitGlobal() method is calling the 
llvm::PATypeHolder::get() method when LLVM is self-hosted in Release
mode. Before the parser changed, there was a definition of llvm::PAHolder::get()
in llvmAsmParser.y. This was probably a bug that no-one noticed.

Explicitly #include the Type.h file as a temporary fix for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-04 01:47:14 +00:00
Dan Gohman
cc91d63ab7 Fix a DAGCombiner abort on an invalid shift count constant. This fixes PR3250. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61613 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-03 19:22:06 +00:00
Dan Gohman
1eb9268080 CommuteNodesToReducePressure() is now removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61612 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-03 19:19:30 +00:00
Dan Gohman
223942a420 Remove the code from the scheduler that commuted two-address 
instructions to avoid copies, because TwoAddressInstructionPass
also does this optimization.  The scheduler's version didn't
account for live-out values, which resulted in spurious commutes
and missed opportunities.

Now, TwoAddressInstructionPass handles all the opportunities,
instead of just those that the scheduler missed. The result is
usually the same, though there are occasional trivial differences
resulting from the avoidance of spurious commutes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61611 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-03 18:01:46 +00:00
Duncan Sands
b6e223a9e8 Factorize (and generalize) the code promoting SELECT 
and BRCOND conditions.  Reorder a few methods while
there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61547 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 20:36:20 +00:00
Duncan Sands
ba6d26275f Remove trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 19:56:02 +00:00
Duncan Sands
5480c0469e Fix PR3274: when promoting the condition of a BRCOND node, 
promote from i1 all the way up to the canonical SetCC type.
In order to discover an appropriate type to use, pass
MVT::Other to getSetCCResultType.  In order to be able to
do this, change getSetCCResultType to take a type as an
argument, not a value (this is also more logical).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61542 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-01 15:52:00 +00:00
Owen Anderson
7d211e299f Get live interval reconstruction several steps closer to working. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61514 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-31 02:00:25 +00:00
Bill Wendling
998dee96d3 Linux wants the FDE initial location and address range to be forced to 32-bit. 
Darwin doesn't. Make this optional for platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 22:12:11 +00:00
Bill Wendling
bce452815c The FDE initial location and address range data should be free to be 64-bit 
(quad) on a 64-bit platform. This fixes a problem with EH frames on Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 21:51:42 +00:00
Duncan Sands
2b7fc1ef53 Add braces, as suggested by a gcc warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 08:05:02 +00:00
Scott Michel
845145f8b5 Teach LeaglizeDAG that i64 mul can be a libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-29 03:21:37 +00:00
Owen Anderson
d4f6fe55eb Fix up kill/dead marking in the new live interval reconstruction code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-28 23:35:13 +00:00
Owen Anderson
60d4f6ded2 Add prototype code for recomputing a live interval's ranges and valnos through recursive phi construction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-28 21:48:48 +00:00
Bill Wendling
722f5f1cfb Darwin likes for the EH frame to be non-local. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61420 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-24 08:05:17 +00:00
Bill Wendling
d4121bef3c GCC doesn't emit DW_EH_PE_sdata4 for the FDE encoding on Darwin. I'm not sure 
about other platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61415 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-24 05:25:49 +00:00
Dale Johannesen
7c7bc722ec Change comments so everybody can understand them, hopefully. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61405 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-23 23:47:22 +00:00
Dale Johannesen
f9cbc1f9ac Add another permutation where we should get rid of a-a. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61401 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-23 23:01:27 +00:00