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59809 Commits

Author SHA1 Message Date
Dan Gohman 7a0fde90f5 Fix more -Wcast-qual warnings. 
llvm-svn: 101656
 2010-04-17 17:44:03 +00:00
Dan Gohman 1f0f2142cc Fix -Wcast-qual warnings. 
llvm-svn: 101655
 2010-04-17 17:42:52 +00:00
Chris Lattner 05f34394d9 remove a dead variable, PR6856 
llvm-svn: 101648
 2010-04-17 17:28:00 +00:00
Chris Lattner 5495c8e415 testcase for r101538, patch by Nico Schmidt! 
llvm-svn: 101642
 2010-04-17 17:22:06 +00:00
Dan Gohman 53d4a08d2b Add const qualifiers to TargetLoweringObjectFile usage. 
llvm-svn: 101640
 2010-04-17 16:44:48 +00:00
Dan Gohman 88f7f6aeda Use const_cast instead of a C-style cast to cast away const. 
llvm-svn: 101639
 2010-04-17 16:43:55 +00:00
Dan Gohman 4fee6f3bdd Start function numbering at 0. 
llvm-svn: 101638
 2010-04-17 16:29:15 +00:00
Dan Gohman 8422e57baa Delete now-unnecessary const_casts. 
llvm-svn: 101637
 2010-04-17 15:32:28 +00:00
Dan Gohman 20e094c711 Use cast instead of dyn_cast when assuming success. 
llvm-svn: 101636
 2010-04-17 15:31:16 +00:00
Dan Gohman 21cea8ac2e Use const qualifiers with TargetLowering. This eliminates several 
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.

llvm-svn: 101635
 2010-04-17 15:26:15 +00:00
Dan Gohman 31ae586c74 Move per-function state out of TargetLowering subclasses and into 
MachineFunctionInfo subclasses.

llvm-svn: 101634
 2010-04-17 14:41:14 +00:00
Chandler Carruth ca0a53ac52 Name these stub files consistently with the SPU and PPC targets' conventions. 
Also rename the classes appropriately. The CMake build already used these
names.

llvm-svn: 101631
 2010-04-17 08:50:29 +00:00
Chris Lattner 7f5088e6de a bunch of ssse3 instructions are misencoded to think they have an 
i8 field when they really do not.  This fixes rdar://7840289

llvm-svn: 101629
 2010-04-17 07:38:24 +00:00
Chris Lattner 7c4f14bf90 reenable r101565, removing a problematic assertion. 
CGSCC can delete nodes in regions of the callgraph that
have already been visited.  If new CG nodes are allocated
to the same pointer, we shouldn't abort, just handle it
correctly by assigning a new number.  This should restore
stability by removing invalidated pointers that *will* be
reused from the densemap in the iterator.

llvm-svn: 101628
 2010-04-17 07:17:19 +00:00
Evan Cheng 5fdb57cc10 Postra machine licm must add registers defined by loop invariants to *all* of 
the live-in sets of BBs in the loop. Otherwise later pass may end up using the
registers and override the invariant. rdar://7852937
No reasonablly sized test case possible.

llvm-svn: 101626
 2010-04-17 07:07:11 +00:00
Nick Lewycky 04b8eec241 Refresh this documentation. Things have changed a bit in the mean time: 
- LLVMgold.so --> libLLVMgold.so
 - the GCC LTO project is no longer 'upcoming'
 - document the plugin support for 'ar' and 'nm'

llvm-svn: 101624
 2010-04-17 07:00:24 +00:00
Evan Cheng 4f3aba431e Fix codegen passes. -disable-ssc shouldn't disable postra machine licm. 
llvm-svn: 101622
 2010-04-17 06:47:47 +00:00
Evan Cheng f1bd5fcdb4 More work to allow dag combiner to promote 16-bit ops to 32-bit. 
llvm-svn: 101621
 2010-04-17 06:13:15 +00:00
Evan Cheng 829c300ce0 Another 80 col violation. 
llvm-svn: 101620
 2010-04-17 06:12:32 +00:00
Bob Wilson 59b70eacad Revise my previous change to ExpandBIT_CONVERT. I hadn't realized that this 
may be called when either the source or destination type is i64, and my
change also hadn't fixed the most obvious problem -- assuming that i64 will
only be bitconverted to f64, ignoring the various vector types.
Radar 7873160.

llvm-svn: 101615
 2010-04-17 05:30:19 +00:00
Evan Cheng 3af19e80c9 Add nounwind. 
llvm-svn: 101613
 2010-04-17 03:43:36 +00:00
Bob Wilson ca51425d94 Re-commit my previous SSAUpdater changes. The previous version naively tried 
to determine where to place PHIs by iteratively comparing reaching definitions
at each block.  That was just plain wrong.  This version now computes the
dominator tree within the subset of the CFG where PHIs may need to be placed,
and then places the PHIs in the iterated dominance frontier of each definition.
The rest of the patch is mostly the same, with a few more performance
improvements added in.

llvm-svn: 101612
 2010-04-17 03:08:24 +00:00
Bob Wilson 4e5eb5ae1b As a temporary workaround for post-RA not handling DebugValue instructions, 
just remove them all.  Radar 7873207 (working around the root problem of
Radar 7759363).

llvm-svn: 101604
 2010-04-17 00:49:11 +00:00
Jakob Stoklund Olesen 71336f213b Revert "Use a simpler data structure to calculate the least recently used register in RegAllocLocal." 
This reverts commit 101392. It broke a buildbot.

llvm-svn: 101595
 2010-04-17 00:38:36 +00:00
Dale Johannesen 2543e303e1 Reapply 101503+101520. These are "obviously correct" [Chris] 
and don't cause any problems on Darwin.

llvm-svn: 101584
 2010-04-17 00:08:21 +00:00
Chris Lattner dddbcba270 disable r101565: an assert is getting triggered. More lurking badness no doubt. 
llvm-svn: 101583
 2010-04-17 00:05:36 +00:00
Chris Lattner cfc921cd2a add a note 
llvm-svn: 101581
 2010-04-16 23:52:30 +00:00
Eric Christopher 7258dcd77f Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.

llvm-svn: 101579
 2010-04-16 23:37:20 +00:00
Devang Patel 12563b3495 Add support to emit dwarf ranges. 
llvm-svn: 101575
 2010-04-16 23:33:45 +00:00
Jakob Stoklund Olesen ae372e2ce0 Use a simpler data structure to calculate the least recently used register in RegAllocLocal. 
This makes the local register allocator about 20% faster.

llvm-svn: 101574
 2010-04-16 23:32:37 +00:00
Johnny Chen c275414575 Cast to (uint64_t) instead of relying on the "ul" suffix. 
llvm-svn: 101573
 2010-04-16 23:30:28 +00:00
Dan Gohman 37df662b1c Add a getSelectionDAGInfo member to TargetMachine. 
llvm-svn: 101567
 2010-04-16 23:09:10 +00:00
Chris Lattner 434c053439 update docs for api change. 
llvm-svn: 101566
 2010-04-16 23:07:44 +00:00
Chris Lattner de023a3c1d building on the new CallGraphSCC abstraction, teach CallGraphSCCPassManager 
to keep the node entries in scc_iterator up to date instead of dangling as
the SCC mutates.

This is a really terrible problem which was causing -g to affect codegen 
because it would permute the memory image of the compiler process.

Thanks to Dale for expertly hunting it down.

llvm-svn: 101565
 2010-04-16 23:04:30 +00:00
Dan Gohman 9becdddc49 Add skeleton target-specific SelectionDAGInfo files. 
llvm-svn: 101564
 2010-04-16 23:04:22 +00:00
Johnny Chen ed9bee150b Fixed logic error. Should check Builder for validity before calling SetSession 
on it.

llvm-svn: 101563
 2010-04-16 23:02:25 +00:00
Chris Lattner 5518b81a98 move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd(). 
No functionality change.

llvm-svn: 101562
 2010-04-16 22:59:24 +00:00
Dan Gohman fe051a525f Regenerate configure script. 
llvm-svn: 101561
 2010-04-16 22:59:06 +00:00
Dan Gohman 91f8ad7bd3 Add an autoconf check for -retain-symbols-file and conditionalize 
use of that option with it. This eliminates an imprecise "Linux"
test, and should help support old versions of gold.

llvm-svn: 101560
 2010-04-16 22:58:15 +00:00
Johnny Chen 034e0b1e68 Minor change to make the test case comply with Vd<0> == '0' when Q == '1'. 
llvm-svn: 101559
 2010-04-16 22:48:31 +00:00
Chris Lattner 4422d31b84 introduce a new CallGraphSCC class, and pass it around 
to CallGraphSCCPass's instead of passing around a
std::vector<CallGraphNode*>.  No functionality change,
but now we have a much tidier interface.

llvm-svn: 101558
 2010-04-16 22:42:17 +00:00
Johnny Chen b90b6f1a35 Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a 
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().

llvm-svn: 101557
 2010-04-16 22:40:20 +00:00
Evan Cheng f037f87bde (i32 sext_in_reg (i32 aext (i16 x)), i16) -> (i32 sext x). No known test case until -promote-16bit is enabled. 
llvm-svn: 101551
 2010-04-16 22:26:19 +00:00
Chris Lattner d43a12df56 tidy up 
llvm-svn: 101548
 2010-04-16 21:57:10 +00:00
Chris Lattner 6d1208fd2b move PrintCallGraphPass out of the middle of CGPassManager. 
llvm-svn: 101543
 2010-04-16 21:43:55 +00:00
Chris Lattner d4758fc393 add a missing break back, patch by Nico Schmidt! 
llvm-svn: 101538
 2010-04-16 21:15:15 +00:00
Dan Gohman c4759a5b97 Create a new TargetSelectionDAGInfo class. This will eventually acquire 
SelectionDAG-specific parts of TargetLowering.

llvm-svn: 101537
 2010-04-16 21:12:11 +00:00
Dan Gohman 4d273f4519 Commit this, which should have accompanied 101531. 
llvm-svn: 101532
 2010-04-16 20:22:43 +00:00
Dan Gohman 148c69a3f6 Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType. 
llvm-svn: 101531
 2010-04-16 20:11:05 +00:00
Dan Gohman 9dbe61456a Fix this code to avoid implicit assumptions about the length of the array. 
llvm-svn: 101530
 2010-04-16 20:08:45 +00:00