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6281 Commits

Author SHA1 Message Date
Evan Cheng
e280fcfbbc CheckForPhysRegDependency should not return copy cost. It's not used. No functionality change. 
llvm-svn: 62036
 2009-01-11 08:53:35 +00:00
Devang Patel
a350457725 Reduce initial small vector sizes. 
llvm-svn: 62023
 2009-01-10 02:42:49 +00:00
Devang Patel
77332761ef Fix thinko. Create parent scope if parent descriptor is *not* null. 
llvm-svn: 62022
 2009-01-10 02:34:18 +00:00
Evan Cheng
411c48b7d2 Duplicated node may produce a non-physical register def. 
llvm-svn: 62015
 2009-01-09 22:44:02 +00:00
Evan Cheng
7a918ea197 Minor debug output tweak. 
llvm-svn: 62005
 2009-01-09 20:42:34 +00:00
Devang Patel
7fd7643d23 Request DwarfWriter. This will be used to handle dbg_* intrinsics. 
llvm-svn: 61999
 2009-01-09 19:11:50 +00:00
Misha Brukman
71c7e40966 Removed trailing whitespace from Makefiles. 
llvm-svn: 61991
 2009-01-09 16:44:42 +00:00
Devang Patel
747d4b38ad Convert DwarfWriter into a pass. 
Now Users request DwarfWriter through getAnalysisUsage() instead of creating an instance of DwarfWriter object directly.

llvm-svn: 61955
 2009-01-08 23:40:34 +00:00
Dan Gohman
321b716d84 Delete unnecessary parens around return values. 
llvm-svn: 61950
 2009-01-08 22:19:34 +00:00
Devang Patel
97863f513c Add DebugInfo based APIs to record source line info. 
llvm-svn: 61928
 2009-01-08 17:19:22 +00:00
Misha Brukman
ae1566f744 * Moved author attribution to CREDITS.TXT 
* Removed trailing whitespace

llvm-svn: 61927
 2009-01-08 16:40:25 +00:00
Misha Brukman
cada42bb4e * Alphabetized #includes 
* Removed trailing whitespace

llvm-svn: 61926
 2009-01-08 15:50:22 +00:00
Devang Patel
3125e21ae4 Add APIs to record regions and variables. 
Again, shamelessly copied from MMI.

llvm-svn: 61912
 2009-01-08 02:49:34 +00:00
Devang Patel
0db006ea38 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.

llvm-svn: 61908
 2009-01-08 02:33:41 +00:00
Dan Gohman
3579548f68 Remove redundant 'else's. No functionality change. 
llvm-svn: 61891
 2009-01-07 22:30:55 +00:00
Evan Cheng
a70ecc2f51 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.

llvm-svn: 61847
 2009-01-07 02:08:57 +00:00
Dan Gohman
b19f5073f9 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.

llvm-svn: 61828
 2009-01-06 22:53:52 +00:00
Devang Patel
6c23870973 Set up DwarfDebug using DebugInfo API. 
llvm-svn: 61822
 2009-01-06 21:07:30 +00:00
Bill Wendling
0a611529e5 Forgot that this was needed for Linux. This should fix the builds. 
llvm-svn: 61819
 2009-01-06 19:13:55 +00:00
Owen Anderson
1f1e4ab65a 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.

llvm-svn: 61802
 2009-01-06 07:53:32 +00:00
Dan Gohman
595c38acb0 Update these argument lists for the isNormalMemory 
argument. This doesn't affect current functionality.

llvm-svn: 61779
 2009-01-06 01:28:56 +00:00
Dan Gohman
1cdb677fc8 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.

llvm-svn: 61778
 2009-01-06 01:19:04 +00:00
Devang Patel
b06184d4a2 Construct subprogram DIEs using DebugInfo. 
llvm-svn: 61772
 2009-01-05 23:21:35 +00:00
Devang Patel
9f27e8354b Construct global variable DIEs using DebugInfo. 
llvm-svn: 61771
 2009-01-05 23:11:11 +00:00
Devang Patel
7d98385702 Construct compile unit dies using DebugInfo. 
llvm-svn: 61768
 2009-01-05 23:03:32 +00:00
Bill Wendling
891f9abdbb Revert r61415 and r61484. Duncan was correct that these weren't needed. 
llvm-svn: 61765
 2009-01-05 22:53:45 +00:00
Dan Gohman
f6ab374c28 Don't call setDepthDirty/setHeightDirty when adding an edge 
with latency 0, since it doesn't affect the depth or height.

llvm-svn: 61762
 2009-01-05 22:40:26 +00:00
Devang Patel
dc395b96fb Extract source location info from DebugInfo. 
Add methods to add source location info in a DIE.

llvm-svn: 61761
 2009-01-05 22:35:52 +00:00
Devang Patel
b54d136d11 Add type DIEs using DebugInfo. 
llvm-svn: 61757
 2009-01-05 21:47:57 +00:00
Devang Patel
94ba049403 Construct composite type DIE using DebugInfo. 
llvm-svn: 61741
 2009-01-05 19:55:51 +00:00
Dan Gohman
9938898e44 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.

llvm-svn: 61733
 2009-01-05 19:40:39 +00:00
Devang Patel
beb5774035 s/ConstructType/ConstructTypeDIE/g 
llvm-svn: 61731
 2009-01-05 19:07:53 +00:00
Devang Patel
c1998b026f Construct stuct field DIEs. 
llvm-svn: 61729
 2009-01-05 18:59:44 +00:00
Devang Patel
de65ed6370 Construct enumerator DIE using DebugInfo. 
llvm-svn: 61726
 2009-01-05 18:38:38 +00:00
Devang Patel
c4c51439bf Construct array/vector type DIEs using DebugInfo. 
llvm-svn: 61724
 2009-01-05 18:33:01 +00:00
Owen Anderson
28649f1598 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.

llvm-svn: 61723
 2009-01-05 18:32:26 +00:00
Dan Gohman
8271066844 Tidy up #includes, deleting a bunch of unnecessary #includes. 
llvm-svn: 61715
 2009-01-05 17:59:02 +00:00
Devang Patel
38d7f4dc2c Construct basic and derived type DIEs using DebugInfo. 
llvm-svn: 61714
 2009-01-05 17:57:47 +00:00
Devang Patel
bf19721647 subsume ConstructPointerType() 
llvm-svn: 61711
 2009-01-05 17:45:59 +00:00
Devang Patel
24288bc651 subsume ConstructBasicType(). 
llvm-svn: 61709
 2009-01-05 17:44:11 +00:00
Devang Patel
689e130117 squash warnings. 
llvm-svn: 61707
 2009-01-05 17:31:22 +00:00
Chris Lattner
30de396459 elf writer really wants the size of the global, not the size 
of the pointer to the global.

llvm-svn: 61630
 2009-01-04 20:19:20 +00:00
Bill Wendling
61bdc3d99e 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.

llvm-svn: 61620
 2009-01-04 01:47:14 +00:00
Dan Gohman
2a079de3f5 Fix a DAGCombiner abort on an invalid shift count constant. This fixes PR3250. 
llvm-svn: 61613
 2009-01-03 19:22:06 +00:00
Dan Gohman
8dc1513b6c CommuteNodesToReducePressure() is now removed. 
llvm-svn: 61612
 2009-01-03 19:19:30 +00:00
Dan Gohman
6a518de5f5 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.

llvm-svn: 61611
 2009-01-03 18:01:46 +00:00
Duncan Sands
0fca32114b Factorize (and generalize) the code promoting SELECT 
and BRCOND conditions.  Reorder a few methods while
there.

llvm-svn: 61547
 2009-01-01 20:36:20 +00:00
Duncan Sands
07002edaca Remove trailing spaces. 
llvm-svn: 61545
 2009-01-01 19:56:02 +00:00
Duncan Sands
190d6bc636 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).

llvm-svn: 61542
 2009-01-01 15:52:00 +00:00
Owen Anderson
ccde9db05a Get live interval reconstruction several steps closer to working. 
llvm-svn: 61514
 2008-12-31 02:00:25 +00:00