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Author SHA1 Message Date
Dan Gohman
5eb6d65a27 Move several SelectionDAG-independent utility functions out of the 
SelectionDAG directory and into a new Analysis.cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 01:22:34 +00:00
Evan Cheng
30fdb5c2ac - Clean up some crappy code which deals with coalescing of copies which look at 
extract_subreg / insert_subreg, etc.
- Add support for more aggressive insert_subreg coalescing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-21 00:44:22 +00:00
Dale Johannesen
7609017dc3 Because of the EMMS problem, right now we have to support 
user-defined operations that use MMX register types, but
the compiler shouldn't generate them on its own.  This adds
a Synthesizable abstraction to represent this, and changes
the vector widening computation so it won't produce MMX types.
(The motivation is to remove noise from the ABI compatibility
part of the gcc test suite, which has some breakage right now.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 22:34:09 +00:00
Devang Patel
cd9b492451 There is no need to install ValueMapper.h header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 22:18:31 +00:00
Dan Gohman
e08b320f15 Document that TargetRegisterInfo::contains does not cover virtual registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 14:51:20 +00:00
Chris Lattner
047542669a move some select simplifications out out instcombine into 
inst simplify.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101873 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 05:32:14 +00:00
Eric Christopher
6d972fd087 Remove the palignr intrinsics now that we lower them to vector shuffles, 
shifts and null vectors. Autoupgrade these to what we'd lower them to.

Add a testcase to exercise this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101851 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:59:54 +00:00
Dan Gohman
8ba3aa7f9c Sink DebugLoc handling out of SelectionDAGISel into FastISel and 
SelectionDAGBuilder, where it doesn't have to be as complicated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:48:35 +00:00
Chris Lattner
8a39ed75ec make CallGraphNode dtor abort if a node is deleted when there are still 
references to it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101847 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:47:34 +00:00
Dan Gohman
084751cd16 Remove MachineFunction's DefaultDebugLoc member, and make DwarfDebug.cpp 
responsible for figuring out what that's supposed to be on its own.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:37:27 +00:00
Dan Gohman
a9a3321938 Reapply the removal of SelectionDAGISel's BB, with a fix for the case 
where multiple blocks are emitted; functions which do this need to return
the new BB so that their callers can stay current.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-20 00:29:35 +00:00
Dan Gohman
68b7960c1a Revert 101825, which is causing trouble. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101832 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 23:34:15 +00:00
Dan Gohman
35bb85b7ee Eliminate SelectionDAGISel's "current block" member. Just pass it as 
an argument to things that need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101825 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 22:51:14 +00:00
Dan Gohman
c056454ecf Remove the Expr member from IVUsers. Instead of remembering the expression, 
just ask ScalarEvolution for it on demand. This helps IVUsers be more robust
in the case of expressions changing underneath it. This fixes PR6862.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 21:48:58 +00:00
Dan Gohman
50d2b1ac02 Give SelectionDAG a TargetMachine too, rather than having it 
fetch one from the MachineFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:22:07 +00:00
Devang Patel
2a4a3b7c61 Add DW_AT_APPLE_omit_frame_ptr to encode -fomit-frame-pointer flag. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:14:02 +00:00
Dan Gohman
55e59c1863 Code that needs a TargetMachine should have access to one directly, rather 
than just getting one through a TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 19:05:59 +00:00
Benjamin Kramer
9d44e70272 Don't write into MemoryBuffers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 16:15:31 +00:00
Dan Gohman
5af8f421b6 Add a few more ELF bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:40:15 +00:00
Dan Gohman
a5370f11d9 Add a const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101777 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:39:27 +00:00
Dan Gohman
fd813bc850 These functions don't need to access this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-19 15:38:38 +00:00
Anton Korobeynikov
928eb49cae Make processor FUs unique for given itinerary. This extends the limit of 32 
FU per CPU arch to 32 per intinerary allowing precise modelling of quite
complex pipelines in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 20:31:01 +00:00
Bill Wendling
21739c1c72 Add a "PadTo" field to the emitULEB128Bytes method. This will pad out to the 
indicated number of bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101684 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-18 00:51:49 +00:00
Dale Johannesen
b5f6af644e Add comment (lost when reverting and reapplying 101503). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101664 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 19:56:46 +00:00
Chris Lattner
eef6d78be1 teach the x86 asm parser how to handle segment prefixes 
in memory operands.  rdar://7874844


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 18:56:34 +00:00
Chris Lattner
7834facff9 refactor .if handling code a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 18:14:27 +00:00
Dan Gohman
0d805c33d1 Add const qualifiers to TargetLoweringObjectFile usage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 16:44:48 +00:00
Dan Gohman
d858e90f03 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 15:26:15 +00:00
Chris Lattner
ca5e4f8e19 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:17:19 +00:00
Evan Cheng
e5b51ac770 More work to allow dag combiner to promote 16-bit ops to 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:13:15 +00:00
Bob Wilson
84bd6b0c31 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 03:08:24 +00:00
Dale Johannesen
ab89ff7841 Reapply 101503+101520. These are "obviously correct" [Chris] 
and don't cause any problems on Darwin.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:08:21 +00:00
Eric Christopher
551754c495 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:37:20 +00:00
Devang Patel
f2548caaa8 Add support to emit dwarf ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:33:45 +00:00
Dan Gohman
abf0c3475a Add a getSelectionDAGInfo member to TargetMachine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101567 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:09:10 +00:00
Chris Lattner
bde0bb5f88 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:04:30 +00:00
Chris Lattner
a3dfc646b4 move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd(). 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:59:24 +00:00
Chris Lattner
2decb22222 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:42:17 +00:00
Chris Lattner
8b146240a2 tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:57:10 +00:00
Dan Gohman
8c0e89925d Create a new TargetSelectionDAGInfo class. This will eventually acquire 
SelectionDAG-specific parts of TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:12:11 +00:00
Dan Gohman
37f32ee7ff Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:11:05 +00:00
Dan Gohman
7f506a9c7f Fix this code to avoid implicit assumptions about the length of the array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101530 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:08:45 +00:00
Dan Gohman
5b13a1a4c3 Revert 101520, which depended on 101503, which was reverted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:36:41 +00:00
Duncan Sands
f72a53db44 Revert commit 101503 (johannes), in the hope of fixing the dragonegg build, 
see http://google1.osuosl.org:8011/builders/dragonegg-x86_64-linux/builds/693
Original commit text:
Use a ValueMap not a std::map for the reason indicated
in the comment.  This was causing nondeterministic changes
in inlining decisions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:28:59 +00:00
Dan Gohman
899dd9be7f Trim a #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101520 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 18:45:11 +00:00
Dale Johannesen
d4ed2a8636 Use a ValueMap not a std::map for the reason indicated 
in the comment.  This was causing nondeterministic changes
in inlining decisions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101503 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 18:16:08 +00:00
Gabor Greif
4ec2258ffb reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101465 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:33:14 +00:00
Dan Gohman
52d55bd224 Make callIsSmall accessible as a utility function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 15:14:50 +00:00
Bill Wendling
47639fc5be The JIT calls TidyLandingPads to tidy up the landing pads. However, because the 
JIT doesn't use the MC back-end asm printer to emit labels that it uses, the
section for the MCSymbol is never set. And thus the MCSymbol for the EH label
isn't marked as "defined". Because of that, TidyLandingPads removes the needed
landing pads from the JIT output. This breaks EH for every JIT program.

This is a work-around for this limitation. We pass in the label locations
map. If the label has a non-zero value, then it was "emitted" by the JIT and
TidyLandingPads shouldn't remove that label.

A nicer solution would be to mark the MCSymbol as "used" by the JIT and not rely
upon the section being set to determine if it's defined or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 08:46:10 +00:00
Evan Cheng
64b7bf71e8 Adding support for dag combiner to promote operations for profit. This requires target specific queries. For example, x86 should promote i16 to i32 when it does not impact load folding. 
x86 support is off by default. It can be enabled with -promote-16bit.

Work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 06:14:10 +00:00
Eric Christopher
e429182c01 Add a check for posix_spawn. 
Regenerate configure and other autoconf files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 05:14:21 +00:00
Gabor Greif
607a7ab3da back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 01:16:20 +00:00
Gabor Greif
2ff961f668 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 20:51:13 +00:00
Dan Gohman
005752bbe7 Make getPredecessorWithUniqueSuccessorForBB return the unique successor 
in addition to the predecessor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101374 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 16:19:08 +00:00
Gabor Greif
9ee1720811 back out r101364, as it trips the linux nightlybot on some clang C++ tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 12:46:56 +00:00
Gabor Greif
165dac08d1 rotate CallInst operands, i.e. move callee to the back 
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101364 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 10:49:53 +00:00
Dan Gohman
ae541aad5c Add more const qualifiers for LLVM IR pointers in CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101342 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 04:33:49 +00:00
Dan Gohman
46510a73e9 Add const qualifiers to CodeGen's use of LLVM IR constructs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-15 01:51:59 +00:00
Dan Gohman
070c07f2c8 Fix TrackingVH to handle const Value subclasses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101300 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:24:25 +00:00
Dan Gohman
75d4ec3cae Remove a const here. This makes this function consistent with all the 
other getOperand wrappers, and it makes it easier to use with DebugInfo
code, which isn't currently prepared to see const MDNode *.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:23:05 +00:00
Dan Gohman
0a60fa3321 Constify GetConstantStringInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101298 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 22:20:45 +00:00
Dan Gohman
7ad3b2a3f0 Move a bunch of methods from CallSite to CallSiteBase, so that they can 
be used in ImmutableCallSite too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 21:47:32 +00:00
Dan Gohman
7b975f411f Use FunTy instead of hard-coding Function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101283 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:49:44 +00:00
Dan Gohman
ce931088f3 Oops, make these public. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:31:28 +00:00
Dan Gohman
d9587fddd6 Move getType() and getCaller() into CallSiteBase so that 
ImmutableCallSite can use them too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:28:44 +00:00
Dan Gohman
6465265ae1 Delete unneeeded arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:17:22 +00:00
Dan Gohman
6a732b5a66 Delete unused arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101275 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 20:05:00 +00:00
Dan Gohman
2520864773 Factor out EH landing pad code into a separate function, and constify 
a bunch of stuff to support it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101273 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 19:53:31 +00:00
Dan Gohman
833ec1deed Fix a missing #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101270 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:57:18 +00:00
Dan Gohman
11609451a5 Refine #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101269 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:49:17 +00:00
Dan Gohman
4031d59685 Split ISD::NodeType and a few related items out of SelectionDAGNodes.h 
into a separate header to allow clients to use them without pulling in
SelectionDAG-specific declarations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101268 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 18:44:34 +00:00
Dan Gohman
c21a2dc8df Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101263 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 17:22:02 +00:00
Dan Gohman
441516fb3d Trim #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 16:54:39 +00:00
Dan Gohman
98708260f5 Move the code for emitting livein copies out of SelectionDAGISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 16:51:49 +00:00
Dan Gohman
5861142dad Fix whitespace, comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 15:59:02 +00:00
Dan Gohman
4788ec49a9 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101246 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 15:50:02 +00:00
Dan Gohman
6193e5b128 Use C++, not C++-standard-library-internals-ese. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101245 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 15:41:50 +00:00
Dan Gohman
8bc489fd7f Make SuccIterator's private parts private too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101244 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 15:38:15 +00:00
Dan Gohman
0118b8d86d Make helper utility members private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101243 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 15:33:04 +00:00
Chris Lattner
d305035155 implement mc asmparser support for '.', which gets the 
current PC.  rdar://7834775

We now produce an identical .o file compared to the cctools
assembler for something like this:

_f0:
L0:
        jmp L1
        .long . - L0
L1:
        jmp A
        .long . - L1

        .zerofill __DATA,_bss,A,0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 04:40:28 +00:00
Daniel Dunbar
07b3a041b4 Fix -Asserts warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 23:34:11 +00:00
Sean Callanan
535f4de469 Quick fix for build errors caused by undefined 
NULL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 21:36:35 +00:00
Sean Callanan
9899f70a74 Fixed a nasty layering violation in the edis source 
code.  It used to #include the enhanced disassembly
information for the targets it supported straight
out of lib/Target/{X86,ARM,...} but now it uses a
new interface provided by MCDisassembler, and (so
far) implemented by X86 and ARM.

Also removed hacky #define-controlled initialization
of targets in edis.  If clients only want edis to
initialize a limited set of targets, they can set
--enable-targets on the configure command line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 21:21:57 +00:00
Dan Gohman
81bf03eb5c Eliminate MachineBasicBlock::const_livein_iterator and make 
MachineBasicBlock::livein_iterator a const_iterator, because
clients shouldn't ever be using the iterator interface to
mutate the livein set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:57:55 +00:00
Dan Gohman
13e73f483e Move MachineRegisterInfo's isLiveIn and isLiveOut out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:55:37 +00:00
Dan Gohman
5c982949bf Delete an unused member variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:51:39 +00:00
Owen Anderson
fd64901579 SCCVN, we hardly knew ye! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 05:24:08 +00:00
Daniel Dunbar
afc9a0c6b0 VMCore: Add Type::getIntN[Ptr]Ty, which are the obvious generic forms of 
Type::getInt{1,8,...}[Ptr]Ty, so code can consistently use the methods on Type
without occasionally needed to call IntegerType::get.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 01:39:07 +00:00
Daniel Dunbar
ee09d2781d IRBuilder: Add Create{Shl,LShr,And,Or,Xor} methods from uin64_t and APInt constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 01:38:57 +00:00
Chris Lattner
43ac721e3b add llvm codegen support for -ffunction-sections and -fdata-sections, 
patch by Sylvere Teissier!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 00:36:43 +00:00
Dan Gohman
53c66eacc4 Enhance ScalarEvolution::isKnownPredicate with support for 
loop conditions which are invariants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 22:16:48 +00:00
Dan Gohman
e48172710b Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 22:07:56 +00:00
Dan Gohman
d908bbf727 Fix a #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:27:52 +00:00
Dan Gohman
3948d0b8b0 Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise 
that it's only testing for the entry condition, not full loop-invariant
conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:27:13 +00:00
Benjamin Kramer
b61e94fcf8 utostr isn't going away too soon, try to make it slightly smaller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:00:03 +00:00
Ted Kremenek
76e94e541c Move 'Optional' class from Clang to LLVM/ADT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 20:25:54 +00:00
Bob Wilson
666f8cb9b7 Fix up header comments to match the comment fixups I made in r100849. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 16:24:49 +00:00
Dan Gohman
094b1c851d Don't use reserved identifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100838 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 01:19:28 +00:00
Dan Gohman
e056781323 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 23:03:40 +00:00
Chris Lattner
287df1bc03 delete a forwarding function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 21:34:17 +00:00
Chris Lattner
74aae4726a move elf section uniquing to MCContext. Along the way 
merge XCore's section into MCSectionELF


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 21:26:26 +00:00
Chris Lattner
22772214de remove the TargetLoweringObjectFileMachO::getMachoSection 
api and update clients to use MCContext instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:40:11 +00:00
Chris Lattner
f0559e4b24 move macho section uniquing from MCParser and TLOF to MCContext where 
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:30:37 +00:00
Evan Cheng
a57fabe815 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:02:37 +00:00
Dan Gohman
113902e9fb Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 18:47:09 +00:00
Dan Gohman
88ccf742a3 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 17:41:04 +00:00
Benjamin Kramer
180c3d4edd Provide operator delete for BumpPtrAllocator and RecyclingAllocator. They will 
never be called but msvc complains that they're missing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 15:22:35 +00:00
Evan Cheng
c3b0c341e7 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 07:37:57 +00:00
Evan Cheng
2dbc8bdfe9 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:51:38 +00:00
Chris Lattner
38686bdffd introduce a new recoverable error handling API to LLVMContext 
and use it in one place in inline asm handling stuff.  Before
we'd generate this for an invalid modifier letter:

$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl    ${0:Z}'
INLINEASM <es:abc incl    ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>


Now we generate this:

$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl    ${0:Z}'
asm.c:3:12: note: generated from here
  __asm__ ("incl    %Z0" : "+r" (X));
           ^
1 error generated.

This is much better but still admittedly not great ("why" is the operand 
invalid??), codegen should try harder with its diagnostics :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100723 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:40:44 +00:00
Chris Lattner
b0094c2404 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:12:29 +00:00
Eric Christopher
71988f1e5b Add support for stpncpy_chk. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:00:07 +00:00
Chris Lattner
75361b69f3 rename llvm::llvm_report_error -> llvm::report_fatal_error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:58:41 +00:00
Chris Lattner
1ca6531e2e remove some unneeded errorhandling stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:44:07 +00:00
Chris Lattner
f88c856a47 minor tidying up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:41:29 +00:00
Dan Gohman
448db1cdef Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:27:08 +00:00
Anton Korobeynikov
4b38debf59 Remove late ARM codegen optimization pass committed by accident. 
It is not ready for public yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:23:27 +00:00
Anton Korobeynikov
9ad709b523 Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:21:41 +00:00
Anton Korobeynikov
391b3431e2 Make use of new reserved/required scheduling stuff: introduce VFP and NEON locks to model domain cross stalls precisly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100646 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:19:40 +00:00
Anton Korobeynikov
96085a36db Initial support for different kinds of FU reservation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:19:32 +00:00
Anton Korobeynikov
977dfcefa1 Add hook to insert late LLVM=>LLVM passes just before isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:18:42 +00:00
Chris Lattner
decc267151 Three changes: 
1. Introduce some enums and accessors in the InlineAsm class
   that eliminate a ton of magic numbers when handling inline
   asm SDNode.
2. Add a new MDNodeSDNode selection dag node type that holds
   a MDNode (shocking!)
3. Add a new argument to ISD::INLINEASM nodes that hold !srcloc
   metadata, propagating it to the instruction emitter, which
   drops it.

No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:20:54 +00:00
Evan Cheng
d94671a25e Post regalloc LICM. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 00:41:17 +00:00
Bill Wendling
aa59c88a6e Make this hack more specific to the Apple gcc 4.2 non-LLVM compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 20:07:21 +00:00
Chris Lattner
779804353d this accessor doesn't need to copy the string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:37:22 +00:00
Chris Lattner
b019491b8d enhance SMDiagnostic to also maintain a pointer to the SourceMgr. 
Add a simplified constructor for clients that don't have locations
like "file not found" errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:06:18 +00:00
Jakob Stoklund Olesen
adc6e06ff0 Avoid overflowing a signed integer which triggers undefined behaviour. 
Overflowing an unsigned integer is fine and behaves as you would expect.
Also fix a pasto, allowing SignExtend64 to take a 64-bit argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 03:12:43 +00:00
Chris Lattner
885d94143d propagate cookie management out one layer of function calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:58:50 +00:00
Chris Lattner
421ccd9892 Give MachineModuleInfo an actual Module*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:51:52 +00:00
Chris Lattner
42a4ee0a35 give LLVMContext an inline asm diagnostic hook member. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100506 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:44:45 +00:00
Chris Lattner
214aa8a2cf give the SourceMgr object a cookie. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100504 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:33:43 +00:00
Chris Lattner
8f0f480a10 Give llvm::SourceMgr the ability to have a client-specified 
diagnostic handler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100503 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:26:48 +00:00
Douglas Gregor
a03948633a Remove MaybeOwningPtr. We're going to use reference-counting instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100499 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:53:46 +00:00
Chris Lattner
79180e2ef5 Give AsmParser an option to control whether it finalizes 
the stream.  New demo:

$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000	subq	$0x08,%rsp
0000000000000004	movl	%edi,(%rsp)
0000000000000007	movl	%edi,%eax
0000000000000009	incl	%eax
000000000000000b	movl	%eax,(%rsp)
000000000000000e	movl	%eax,0x04(%rsp)
0000000000000012	addq	$0x08,%rsp
0000000000000016	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100492 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:15:42 +00:00
Chris Lattner
e072ab8691 add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100490 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 23:07:42 +00:00
Chris Lattner
4c842dda39 stringref-ize the MemoryBuffer::get apis. This requires 
a co-committed clang patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 22:42:30 +00:00
Douglas Gregor
2ee35226e5 Introduce MaybeOwningPtr, a smart pointer that may (or may not) have 
ownership over the pointer it contains. Useful when we want to
communicate ownership while still having several clients holding on to
the same pointer *without* introducing reference counting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100463 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 21:09:22 +00:00
Dan Gohman
54ab2e9326 Add an isReachableFromEntry to MachineDominators, following the one 
in Dominators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100454 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 19:16:38 +00:00
Chris Lattner
b742b25897 trim some prototypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100420 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 06:21:01 +00:00
Chris Lattner
512063dd0f remove the now-redundant MMI pointer in SelectionDAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100419 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 06:19:28 +00:00
Chris Lattner
de6e783b24 remove some redundant MMI arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100417 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 06:10:13 +00:00
Chris Lattner
ed3a8067a6 unthread MMI from FastISel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100416 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 06:05:26 +00:00
Chris Lattner
a267b0076e remove the MMI pointer from MachineFrameInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100415 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 05:57:52 +00:00
Chris Lattner
820e55e9ad enhance MachineFunction to have a MMI pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 05:49:50 +00:00
Chris Lattner
655d82820c prune #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 05:43:16 +00:00
Chris Lattner
493c9765e0 finally blast DwarfWriter away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100406 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 05:12:59 +00:00
Chris Lattner
49cd6649e1 change AsmPrinter to use DwarfDebug/DwarfException directly 
instead of going through DwarfWriter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 05:11:15 +00:00
Chris Lattner
ea761868b5 trim some spurious references to DwarfWriter. SDIsel really doesn't 
need it anymore, so don't addRequire it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 04:09:20 +00:00
Jakob Stoklund Olesen
fddb7667ca Replace TSFlagsFields and TSFlagsShifts with a simpler TSFlags field. 
When a target instruction wants to set target-specific flags, it should simply
set bits in the TSFlags bit vector defined in the Instruction TableGen class.

This works well because TableGen resolves member references late:

class I : Instruction {
  AddrMode AM = AddrModeNone;
  let TSFlags{3-0} = AM.Value;
}

let AM = AddrMode4 in
def ADD : I;

TSFlags gets the expected bits from AddrMode4 in this example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100384 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 03:10:20 +00:00
Chris Lattner
ba79d72eab selection dag doesn't need DwarfWriter, remove some tendrils. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-05 02:23:33 +00:00