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Commit Graph

7004 Commits

Author SHA1 Message Date
Bill Wendling
59276ca9d4 Forward decls.
llvm-svn: 72114
2009-05-19 17:52:31 +00:00
Bill Wendling
5bc220b4eb Remove 'class' specifier.
llvm-svn: 72113
2009-05-19 17:51:26 +00:00
Bill Wendling
2914f42cce Fix to compile on VS2008.
llvm-svn: 72112
2009-05-19 17:50:18 +00:00
Dan Gohman
1ef283d538 Remove the #ifndef NDEBUG from the FastISel debugging options. This
fixes dejagnu tests that use these options.

llvm-svn: 72094
2009-05-19 02:19:57 +00:00
Mike Stump
2eb592f2f9 Fix cmake builds.
llvm-svn: 72078
2009-05-19 00:18:14 +00:00
Bill Wendling
a443337af0 Don't set the "location" information for inlined functions' variables.
llvm-svn: 72064
2009-05-18 23:08:55 +00:00
Bill Wendling
8e6fe772be Small code cleanup.
llvm-svn: 72057
2009-05-18 22:33:01 +00:00
Bill Wendling
45cb84b4e3 RecordVariable is called each time a DECLARE node is encountered. For an inlined
function, this could be many, many times. We don't want to re-add variables to
that DIE for each time. We just want to add them once. Check to make sure that
we haven't added them already.

llvm-svn: 72047
2009-05-18 22:02:36 +00:00
Bob Wilson
cc8d63fdef Fix CodePlacementOpt::OptimizeIntraLoopEdges so that its return value
correctly indicates whether it changed the code.

llvm-svn: 72038
2009-05-18 21:02:18 +00:00
Lang Hames
079c2769b8 New Spiller interface and trivial implementation.
llvm-svn: 72030
2009-05-18 19:03:16 +00:00
Bill Wendling
af2e508015 Revert last commit. It was wrong.
llvm-svn: 72026
2009-05-18 18:21:03 +00:00
Bill Wendling
3f41e5ca13 Don't call RegionInlinedFnEnd if our optimization level isn't -O0.
llvm-svn: 72024
2009-05-18 18:17:22 +00:00
Daniel Dunbar
7c5aee4f79 Silence Release-Asserts warnings.
llvm-svn: 72011
2009-05-18 16:43:04 +00:00
Lang Hames
84123bf6e8 Prevented reg0 from being added to MBB live-in set, which was causing issues
for PostRAScheduler. 

llvm-svn: 71991
2009-05-17 23:50:36 +00:00
Jakob Stoklund Olesen
18e4e1eb2b Rename MachineVerifier pass to avoid command line collision.
llvm-svn: 71987
2009-05-17 19:37:14 +00:00
Jakob Stoklund Olesen
fe508fac97 Verify that explicit definitions in the TargetInstrDesc are matched by
explicit register define operands.

llvm-svn: 71933
2009-05-16 07:25:20 +00:00
Jakob Stoklund Olesen
b188c38212 Allow redefinition of reserved registers.
llvm-svn: 71932
2009-05-16 07:24:54 +00:00
Duncan Sands
6ccd63bea9 Put back a bit of expensive checking logic that
was overenthusiastically deleted in r70234.

llvm-svn: 71926
2009-05-16 04:14:29 +00:00
Duncan Sands
a13774ee79 Pacify gcc-4.3, which suggests explicit braces here
to avoid an ambiguous else.

llvm-svn: 71924
2009-05-16 03:28:54 +00:00
Jakob Stoklund Olesen
94c30c8409 Pass to verify generated machine code.
The following is checked:

* Operand counts: All explicit operands must be present.

* Register classes: All physical and virtual register operands must be
  compatible with the register class required by the instruction descriptor.

* Register live intervals: Registers must be defined only once, and must be
  defined before use.

The machine code verifier is enabled with the command-line option
'-verify-machineinstrs', or by defining the environment variable
LLVM_VERIFY_MACHINEINSTRS to the name of a file that will receive all the
verifier errors.

llvm-svn: 71918
2009-05-16 00:33:53 +00:00
Bill Wendling
ac4cfe34e6 Split out the DwarfDebug module from the DwarfWriter module.
Again, no intendtional functionality change.

llvm-svn: 71854
2009-05-15 09:23:25 +00:00
Bill Wendling
6bbe2a1daa Mark class as hidden.
llvm-svn: 71850
2009-05-15 06:55:26 +00:00
Evan Cheng
80c613f4a0 Fix PR4210. Rewritter should track and update kills of sub-registers as well.
llvm-svn: 71848
2009-05-15 06:48:19 +00:00
Bill Wendling
8d9aae8003 Move c'tor/d'tor to top of file.
llvm-svn: 71828
2009-05-15 01:18:50 +00:00
Bill Wendling
cec6308edc Split out the DwarfException class into its own file. No functionality change,
though the classes have been marked with "VISIBILITY_HIDDEN".

llvm-svn: 71827
2009-05-15 01:12:28 +00:00
Bill Wendling
5fe69fa68e Split out the Dwarf writer stuff into separate files. This is a much more
logical/sane approach to organizing all of the stuff that goes into writing out
DWARF information. Honestly? even this is too complex for what it's supposed to
be doing.

Trivia: It *looks* like there would be functionality changes, however there aren't!
llvm-svn: 71821
2009-05-15 00:11:17 +00:00
Owen Anderson
d4e2474506 Down with static variables!
Part one of many.

llvm-svn: 71785
2009-05-14 19:17:24 +00:00
Mike Stump
5596137537 Tag blocks with DW_AT_APPLE_block.
llvm-svn: 71784
2009-05-14 18:45:49 +00:00
Bob Wilson
6571391191 Revert r71744. I must not have understood this correctly, because the
assertion is failing for some tests.

llvm-svn: 71779
2009-05-14 18:08:41 +00:00
Lang Hames
661f67bd0c Fix for PR4124. Make TwoAddressFormPass::FindLastUseInMBB return the real last use.
llvm-svn: 71769
2009-05-14 04:26:30 +00:00
Dan Gohman
3ae08059b5 Add an assert to turn a segfault on an unsupported inline
asm construct into an assertion failure.

llvm-svn: 71757
2009-05-14 00:30:16 +00:00
Bill Wendling
a68cfc68f8 There's yet more ugliness (surprise!) in DebugInfo. This needs major reworking.
Basically, there was a situation where it was getting an empty vector and doing
a .back() on that. Which isn't cool.

llvm-svn: 71746
2009-05-13 23:55:49 +00:00
Bob Wilson
35ad062490 The IfConverter::MergeBlocks method appears to be used only to merge a basic
block with its unique predecessor.  Change the code to assert if that is not
the case, instead of trying to handle situations where the block has
multiple predecessors.

llvm-svn: 71744
2009-05-13 23:54:13 +00:00
Jim Grosbach
40d13bf382 Removing the HasBuiltinSetjmp flag and associated bits. Flagging the presence
of exception handling builtin sjlj targets in functions turns out not to 
be necessary. Marking the intrinsic implementation in the .td file as 
defining all registers is sufficient to get the context saved properly by 
the containing function.

llvm-svn: 71743
2009-05-13 23:50:53 +00:00
Bob Wilson
ab98a2c258 Revert a portion of Dan's change r71018 that I'm convinced is wrong.
Dan was trying to catch the case where a basic block ends with a conditional
branch to the fall-through block.  In this case, all the instructions have
been moved out of FromBBI, leaving it empty.  It cannot end with a
conditional branch.  As the existing comment indicates, it will always fall
through to the next block.  If the block already had the next block (NBB)
listed as a successor, the preceding loop has a check for that and does not
remove it.  Thus, we need to check and add the successor only when it is
not already listed.

With Dan's change, the empty block often ends up with the fall-through
successor listed twice.  This exposed the problem in pr4195, where
CodePlacementOpt did not handle the same predecessor listed more than once.
It is also at least partially responsible for pr4202 and probably a similar
issue with Thumb branches being out of range.

llvm-svn: 71742
2009-05-13 23:48:58 +00:00
Bob Wilson
8c8c81cd78 Merge adjacent conditional.
llvm-svn: 71741
2009-05-13 23:35:38 +00:00
Bob Wilson
516a55feaa Remove an unused variable.
llvm-svn: 71740
2009-05-13 23:31:30 +00:00
Bob Wilson
c739ce57db Fix some typos and spelling and grammar, mostly in comments, but also one
field name.  No functional changes.

llvm-svn: 71739
2009-05-13 23:25:24 +00:00
Evan Cheng
9bd08f0cde Run code placement optimization for targets that want it (arm and x86 for now).
llvm-svn: 71726
2009-05-13 21:42:09 +00:00
Bill Wendling
e421c8f63d Change MachineInstrBuilder::addReg() to take a flag instead of a list of
booleans. This gives a better indication of what the "addReg()" is
doing. Remembering what all of those booleans mean isn't easy, especially if you
aren't spending all of your time in that code.

I took Jakob's suggestion and made it illegal to pass in "true" for the
flag. This should hopefully prevent any unintended misuse of this (by reverting
to the old way of using addReg()).

llvm-svn: 71722
2009-05-13 21:33:08 +00:00
Bill Wendling
35584a26be Move the bookkeeping of the debug scopes back to the place where it
belonged. The variable declaration stuff wasn't happy with it where it
was. Sorry that the testcase is so big. Bugpoint wasn't able to reduce it
successfully.

llvm-svn: 71714
2009-05-13 20:33:33 +00:00
John Mosby
6b2d45fe66 PEI: rename PEI.h to PrologEpilogInserter.h to adhere to file naming standard
llvm-svn: 71678
2009-05-13 17:52:11 +00:00
Chris Lattner
53ddc0fba1 add ShrinkWrapping.cpp
llvm-svn: 71645
2009-05-13 06:27:38 +00:00
Lang Hames
f6a337d7fb Fix for PR4121. If TwoAddressInstructionPass removes a dead def, and the regB
operand was killed, the kill needs to be removed from regB's VarInfo.

llvm-svn: 71635
2009-05-13 04:18:47 +00:00
Jim Grosbach
4bb5e9d1df Add support for GCC compatible builtin setjmp and longjmp intrinsics. This is
a supporting preliminary patch for GCC-compatible SjLJ exception handling. Note that these intrinsics are not designed to be invoked directly by the user, but
rather used by the front-end as target hooks for exception handling.

llvm-svn: 71610
2009-05-12 23:59:14 +00:00
Evan Cheng
e43bfc153e If header of inner loop is aligned, do not align the outer loop header. We don't want to add nops in the outer loop for the sake of aligning the inner loop.
llvm-svn: 71609
2009-05-12 23:58:14 +00:00
Evan Cheng
c7f7276825 Teach TransferDeadness to delete truly dead instructions if they do not produce side effects.
llvm-svn: 71606
2009-05-12 23:07:00 +00:00
John Mosby
618e3e6578 Restructure PEI code:
- moved shrink wrapping code from PrologEpilogInserter.cpp to
  new file ShrinkWrapping.cpp.

- moved PEI pass definition into new shared header PEI.h.

llvm-svn: 71588
2009-05-12 20:33:29 +00:00
Jay Foad
a4531bdfe8 Switch to using IRBuilder throughout.
llvm-svn: 71587
2009-05-12 20:27:44 +00:00
Evan Cheng
d6e3e4d746 Fixed a stack slot coloring with reg bug: do not update implicit use / def when doing forward / backward propagation.
llvm-svn: 71574
2009-05-12 18:31:57 +00:00