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4495850afb
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33967 Commits

Author SHA1 Message Date
Dan Gohman
4495850afb Move RegsForValue to an anonymous namespace, since it is only used 
in this file.

llvm-svn: 89675
 2009-11-23 17:46:23 +00:00
Dan Gohman
b0befa7c20 Move some more code out of SelectionDAGBuild.cpp and into 
FunctionLoweringInfo.cpp.

llvm-svn: 89674
 2009-11-23 17:42:46 +00:00
David Goodwin
07713477dc Minor itinerary fixes for FP instructions. 
llvm-svn: 89672
 2009-11-23 17:34:12 +00:00
Ted Kremenek
b63a5eedf7 Update CMake file. 
llvm-svn: 89671
 2009-11-23 17:26:04 +00:00
Dan Gohman
086e19c874 Move the FunctionLoweringInfo class and some related utility functions out 
of SelectionDAGBuild.h/cpp into its own files, to help separate
general lowering logic from SelectionDAG-specific lowering logic.

llvm-svn: 89667
 2009-11-23 17:16:22 +00:00
Chris Lattner
23bebfe8d5 fix comment, thanks all :) 
llvm-svn: 89666
 2009-11-23 17:07:35 +00:00
Chris Lattner
1637c0e720 use the new isNoAlias method to simplify some code, only do an escaping check if 
we have a non-constant pointer.  Constant pointers can't be local.

llvm-svn: 89665
 2009-11-23 16:46:41 +00:00
Chris Lattner
29221ce8d7 whitespace cleanup, tidying 
llvm-svn: 89664
 2009-11-23 16:45:27 +00:00
Chris Lattner
faf117b46b speed up BasicAA a bit by implementing a long-standing TODO. 
llvm-svn: 89663
 2009-11-23 16:44:43 +00:00
Dan Gohman
29dbc79996 Move FunctionPassManagerImpl's dumpArguments and dumpPasses calls 
out of its run function and into its doInitialization method, so
that it does the dump once instead of once per function.

llvm-svn: 89660
 2009-11-23 16:24:18 +00:00
Dan Gohman
58bb87921b Make ConstantFoldConstantExpression recursively visit the entire 
ConstantExpr, not just the top-level operator. This allows it to
fold many more constants.

Also, make GlobalOpt call ConstantFoldConstantExpression on
GlobalVariable initializers.

llvm-svn: 89659
 2009-11-23 16:22:21 +00:00
Dan Gohman
0ef3e7cf76 Fix a use of an invalidated iterator in the case where there are multiple 
adjacent uses of a dead basic block from the same user. This fixes PR5596.

llvm-svn: 89658
 2009-11-23 16:13:39 +00:00
Duncan Sands
efd23f129e I forgot to update the prototype for LLVMBuildIntCast when correcting 
the body to not pass the name for the isSigned parameter.  However it
seems that changing prototypes is a big-no-no, so here I revert the
previous change and pass "true" for isSigned, meaning this always does
a signed cast, which was the previous behaviour assuming the name was
not NULL!  Some other C function needs to be introduced for the general
case of signed or unsigned casts.  This hopefully unbreaks the ocaml
binding.

llvm-svn: 89648
 2009-11-23 10:49:03 +00:00
Nick Lewycky
deb3d7dfbc Start catching LLVMContext misuse in the verifier. 
llvm-svn: 89646
 2009-11-23 04:52:00 +00:00
Nick Lewycky
b3bedf4b2d Pull LLVMContext out of PromoteMemToReg. 
llvm-svn: 89645
 2009-11-23 03:50:44 +00:00
Nick Lewycky
76fbcdaaa7 Remove LLVMContext and its include. 
llvm-svn: 89644
 2009-11-23 03:34:29 +00:00
Nick Lewycky
8cbd0c3156 Remove unused LLVMContext. 
llvm-svn: 89642
 2009-11-23 03:29:18 +00:00
Nick Lewycky
1328a7b47f Remove dead LLVMContext argument. 
llvm-svn: 89641
 2009-11-23 03:26:09 +00:00
Nick Lewycky
9d1ee635e3 Reapply r88830 with a bugfix: this transform only applies to icmp eq/ne. This 
fixes part of PR5438.

llvm-svn: 89639
 2009-11-23 03:17:33 +00:00
Daniel Dunbar
11a4dce179 SourceMgr: Add ShowLine argument to PrintMessage, to allow suppressing the source line output. 
llvm-svn: 89627
 2009-11-22 22:08:00 +00:00
Jim Grosbach
f49995d449 Add getFrameIndexReference() to TargetRegisterInfo, which allows targets to 
tell debug info which base register to use to reference a frame index on a
per-index basis. This is useful, for example, in the presence of dynamic
stack realignment when local variables are indexed via the stack pointer and
stack-based arguments via the frame pointer.

llvm-svn: 89620
 2009-11-22 20:14:00 +00:00
Jim Grosbach
928cb87167 Move default FrameReg val to getFrameIndexReference(). Otherwise, debug info can get bogus values. 
llvm-svn: 89618
 2009-11-22 20:05:32 +00:00
Jim Grosbach
0acdac3bf0 80-column cleanup 
llvm-svn: 89612
 2009-11-22 19:20:36 +00:00
Jakob Stoklund Olesen
a58473532a Teach MachineBasicBlock::updateTerminator() to handle a failing TII->ReverseBranchCondition(Cond) call. 
This fixes the MallocBench/cfrac test case regression.

llvm-svn: 89608
 2009-11-22 18:28:04 +00:00
Chris Lattner
73422d2e9b add fixme for dubious code. Duncan, what do you think? 
llvm-svn: 89602
 2009-11-22 16:16:48 +00:00
Chris Lattner
632f60ccc9 remove a silly condition that doesn't make a lot of sense anymore. 
llvm-svn: 89601
 2009-11-22 16:15:59 +00:00
Chris Lattner
59be5d3703 reduce indentation, no functionality change. 
llvm-svn: 89600
 2009-11-22 16:05:05 +00:00
Chris Lattner
b6ecd40652 Remove the AliasAnalysis::getMustAliases method, which is dead. 
The hasNoModRefInfoForCalls isn't worth it as a filter because 
basicaa provides m/r info and everything chains to it, so remove
it.

llvm-svn: 89599
 2009-11-22 16:01:44 +00:00
Nick Lewycky
e7829c73f2 Remove dead code. While there, also turn a few 'T* ' into 'T *' to match the 
rest of the file.

llvm-svn: 89577
 2009-11-22 02:38:11 +00:00
Jim Grosbach
33f06ed72e Generate more correct debug info for frame indices. 
llvm-svn: 89576
 2009-11-22 02:32:29 +00:00
Anton Korobeynikov
5511c0260f Minor optimization: when doing eq/ne comparions and RHS is a constant - swap operands, this will allow us to fold imm into comparison. 
llvm-svn: 89574
 2009-11-22 01:14:08 +00:00
Anton Korobeynikov
10669b8c42 Drop unsupported imm operands 
llvm-svn: 89573
 2009-11-22 01:13:54 +00:00
Anton Korobeynikov
44886c9a90 Use 2-byte alignment for functions. 4 bytes are clear overkill here. 
llvm-svn: 89572
 2009-11-22 01:13:39 +00:00
Anton Korobeynikov
9cea2b264c Use semicolon as assembler comment string 
llvm-svn: 89571
 2009-11-22 01:12:49 +00:00
Jim Grosbach
99c5b49c61 Revert 89562. We're being sneakier than I was giving us credit for, and this 
isn't necessary.

llvm-svn: 89568
 2009-11-21 23:34:09 +00:00
Jim Grosbach
99a88f415b remove trailing whitespace 
llvm-svn: 89567
 2009-11-21 23:12:12 +00:00
Jim Grosbach
d4603a5c4e Darwin requires a frame pointer for all non-leaf functions to support correct 
backtraces.

llvm-svn: 89562
 2009-11-21 21:40:08 +00:00
Evan Cheng
a7496ef9a6 Add predicate operand to NEON instructions. Fix lots (but not all) 80 col violations in ARMInstrNEON.td. 
llvm-svn: 89542
 2009-11-21 06:21:52 +00:00
Evan Cheng
6970be3ca4 Allow target to disable if-converting predicable instructions. e.g. NEON instructions under ARM mode. 
llvm-svn: 89541
 2009-11-21 06:20:26 +00:00
Devang Patel
7f5e6b43a0 Cosmetic changes, which were long overdue, in DwarfDebug.cpp. 
llvm-svn: 89537
 2009-11-21 02:48:08 +00:00
Devang Patel
327919890c We are not using DBG_STOPPOINT anymore. 
llvm-svn: 89536
 2009-11-21 02:46:55 +00:00
Jakob Stoklund Olesen
319458cd03 Be more clever about calculating live variables through new basic blocks. 
When splitting a critical edge, the registers live through the edge are:

- Used in a PHI instruction, or
- Live out from the predecessor, and
- Live in to the successor.

This allows the coalescer to eliminate even more phi joins.

llvm-svn: 89530
 2009-11-21 02:05:21 +00:00
Eric Christopher
455f4d8400 Add more optimizations for object size checking, enable handling of 
object size intrinsic and verify return type is correct. Collect various
code in one place.

llvm-svn: 89523
 2009-11-21 01:01:30 +00:00
Devang Patel
c672dccdbb Remove dead code. 
llvm-svn: 89522
 2009-11-21 00:54:03 +00:00
Dale Johannesen
907ff5a620 When generating a vector the really slow way, via loads 
and stores, handle the case where the element size is not
a valid target type correctly (PPC).

llvm-svn: 89521
 2009-11-21 00:53:23 +00:00
Devang Patel
8d7175f85f There is no need to use FoldingSet to unique DIEs. 
DIEs are created from MDNode, which are already uniqued. And DwarfDebug already uses ValueMaps to find and use existing DIE for a given MDNode.

llvm-svn: 89518
 2009-11-21 00:31:03 +00:00
Viktor Kutuzov
ac8f027245 Added two SubtargetFeatures::AddFeatures methods, which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods. 
llvm-svn: 89516
 2009-11-21 00:00:02 +00:00
David Goodwin
d5ef76388e Restructure code to allow renaming of multiple-register groups for anti-dep breaking. 
llvm-svn: 89511
 2009-11-20 23:33:54 +00:00
Evan Cheng
9828118adf Enable hoisting load from constant memories. 
llvm-svn: 89510
 2009-11-20 23:31:34 +00:00
Dan Gohman
e5eddcd606 Fix a thinko that caused spurious @GOTOFFs. 
llvm-svn: 89509
 2009-11-20 23:30:32 +00:00