Owen Anderson [Thu, 14 May 2009 05:54:36 +0000 (05:54 +0000)]
Add an Atomic.h to the System library, for providing a platform independent API
to low-level sync operations.
The only one present at the moment is MemoryFence(), and only for the platforms
for which I could easily discern the proper way to do it. If your favorite platform
isn't represented, patches are welcome!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71770
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Lang Hames [Thu, 14 May 2009 04:26:30 +0000 (04:26 +0000)]
Fix for PR4124. Make TwoAddressFormPass::FindLastUseInMBB return the real last use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71769
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Jim Grosbach [Thu, 14 May 2009 00:46:35 +0000 (00:46 +0000)]
Update the names of the exception handling sjlj instrinsics to
llvm.eh.sjlj.* for better clarity as to their purpose and scope. Add
a description of llvm.eh.sjlj.setjmp to ExceptionHandling.html.
(llvm.eh.sjlj.longjmp documentation coming when that implementation is
added).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71758
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Dan Gohman [Thu, 14 May 2009 00:30:16 +0000 (00:30 +0000)]
Add an assert to turn a segfault on an unsupported inline
asm construct into an assertion failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71757
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Mike Stump [Thu, 14 May 2009 00:03:51 +0000 (00:03 +0000)]
Add dumping support for DW_AT_APPLE_isa and DW_AT_APPLE_block.
Radar
6867696
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71750
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Bill Wendling [Wed, 13 May 2009 23:55:49 +0000 (23:55 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71746
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Bob Wilson [Wed, 13 May 2009 23:54:13 +0000 (23:54 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71744
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Jim Grosbach [Wed, 13 May 2009 23:50:53 +0000 (23:50 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71743
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Bob Wilson [Wed, 13 May 2009 23:48:58 +0000 (23:48 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71742
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Bob Wilson [Wed, 13 May 2009 23:35:38 +0000 (23:35 +0000)]
Merge adjacent conditional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71741
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Bob Wilson [Wed, 13 May 2009 23:31:30 +0000 (23:31 +0000)]
Remove an unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71740
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Bob Wilson [Wed, 13 May 2009 23:25:24 +0000 (23:25 +0000)]
Fix some typos and spelling and grammar, mostly in comments, but also one
field name. No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71739
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Mike Stump [Wed, 13 May 2009 23:23:20 +0000 (23:23 +0000)]
Fix whitespacing (space after switch).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71738
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Jim Grosbach [Wed, 13 May 2009 22:32:43 +0000 (22:32 +0000)]
Spelling correction s/builting/builtin/ and remove trailing whitespace in a few places
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71735
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Dan Gohman [Wed, 13 May 2009 22:29:12 +0000 (22:29 +0000)]
Add nounwind to this test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71734
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Bill Wendling [Wed, 13 May 2009 21:51:26 +0000 (21:51 +0000)]
Remove too large testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71730
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Evan Cheng [Wed, 13 May 2009 21:42:09 +0000 (21:42 +0000)]
Run code placement optimization for targets that want it (arm and x86 for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71726
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Evan Cheng [Wed, 13 May 2009 21:39:20 +0000 (21:39 +0000)]
Indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71724
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Bill Wendling [Wed, 13 May 2009 21:33:08 +0000 (21:33 +0000)]
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()).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71722
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Dale Johannesen [Wed, 13 May 2009 20:55:30 +0000 (20:55 +0000)]
Handle some additonal cases of external weak globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71717
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Bill Wendling [Wed, 13 May 2009 20:33:33 +0000 (20:33 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71714
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Dale Johannesen [Wed, 13 May 2009 18:33:24 +0000 (18:33 +0000)]
Testcase for 71688.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71691
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Dale Johannesen [Wed, 13 May 2009 18:25:07 +0000 (18:25 +0000)]
Don't generate a select whose operand is load of a weak
external. These may have address 0 and are not safe
to execute unconditionally.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71688
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Chris Lattner [Wed, 13 May 2009 18:02:09 +0000 (18:02 +0000)]
garbage allocation is not a good idea :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71680
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John Mosby [Wed, 13 May 2009 17:52:11 +0000 (17:52 +0000)]
PEI: rename PEI.h to PrologEpilogInserter.h to adhere to file naming standard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71678
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Chris Lattner [Wed, 13 May 2009 17:39:14 +0000 (17:39 +0000)]
calls in nothrow functions can be marked nothrow even if the callee
is not known to be nothrow. This allows readnone/readonly functions
to be deleted even if we don't know whether the callee can throw.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71676
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Sanjiv Gupta [Wed, 13 May 2009 15:13:17 +0000 (15:13 +0000)]
Run through the list of globals once and sectionize all types of globlas includeing declarations. Later emit them from their section lists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71661
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Duncan Sands [Wed, 13 May 2009 13:13:18 +0000 (13:13 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71656
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Duncan Sands [Wed, 13 May 2009 12:52:44 +0000 (12:52 +0000)]
Avoid getting a compiler warning
IVUsers.cpp: In member function ‘bool llvm::IVUsers::AddUsersIfInteresting(llvm::Instruction*)’:
IVUsers.cpp:221: warning: ‘isSigned’ may be used uninitialized in this function
with gcc-4.3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71654
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Chris Lattner [Wed, 13 May 2009 06:28:04 +0000 (06:28 +0000)]
add IVUsers.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71646
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Chris Lattner [Wed, 13 May 2009 06:27:38 +0000 (06:27 +0000)]
add ShrinkWrapping.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71645
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Chris Lattner [Wed, 13 May 2009 06:26:11 +0000 (06:26 +0000)]
Fix PR4206 - crash in simplify lib calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71644
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Lang Hames [Wed, 13 May 2009 04:18:47 +0000 (04:18 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71635
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Dan Gohman [Wed, 13 May 2009 03:46:30 +0000 (03:46 +0000)]
Add three new helper routines, getNoopOrZeroExtend,
getNoopOrSignExtend, and getTruncateOrNoop. These are similar
to getTruncateOrZeroExtend etc., except that they assert that
the conversion is either not widening or narrowing, as
appropriate. These will be used in some upcoming fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71632
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Dale Johannesen [Wed, 13 May 2009 00:24:22 +0000 (00:24 +0000)]
Add an int64_t variant of abs, for host environments
without one. Use it where we were using abs on
int64_t objects.
(I strongly suspect the casts to unsigned in the
fragments in LoopStrengthReduce are not doing whatever
the original intent was, but the obvious change to
uint64_t doesn't work. Maybe later.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71612
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Jim Grosbach [Tue, 12 May 2009 23:59:14 +0000 (23:59 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71610
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Evan Cheng [Tue, 12 May 2009 23:58:14 +0000 (23:58 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71609
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Evan Cheng [Tue, 12 May 2009 23:07:00 +0000 (23:07 +0000)]
Teach TransferDeadness to delete truly dead instructions if they do not produce side effects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71606
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Dale Johannesen [Tue, 12 May 2009 22:32:29 +0000 (22:32 +0000)]
Slightly improve generated code in a degenerate case.
Should remove a warning from MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71603
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Jim Grosbach [Tue, 12 May 2009 22:30:18 +0000 (22:30 +0000)]
correct register class for tADDspi to GPR since the register will always be SP
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71602
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Bill Wendling [Tue, 12 May 2009 21:55:29 +0000 (21:55 +0000)]
More MSVC fixes -- class/struct conflicts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71601
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Bill Wendling [Tue, 12 May 2009 21:50:43 +0000 (21:50 +0000)]
Use struct instead of class to make MCVS compile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71600
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John Mosby [Tue, 12 May 2009 20:33:29 +0000 (20:33 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71588
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Jay Foad [Tue, 12 May 2009 20:27:44 +0000 (20:27 +0000)]
Switch to using IRBuilder throughout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71587
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Evan Cheng [Tue, 12 May 2009 20:17:52 +0000 (20:17 +0000)]
80 col violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71582
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Evan Cheng [Tue, 12 May 2009 18:35:43 +0000 (18:35 +0000)]
Add nounwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71575
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Evan Cheng [Tue, 12 May 2009 18:31:57 +0000 (18:31 +0000)]
Fixed a stack slot coloring with reg bug: do not update implicit use / def when doing forward / backward propagation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71574
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Bill Wendling [Tue, 12 May 2009 18:29:42 +0000 (18:29 +0000)]
Use llvm::raw_stream instead of llvm::Streams.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71573
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Bob Wilson [Tue, 12 May 2009 17:35:29 +0000 (17:35 +0000)]
Fix up a few minor typos in comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71563
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Bob Wilson [Tue, 12 May 2009 17:09:30 +0000 (17:09 +0000)]
Fix 80-col violations and remove trailing whitespace. No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71562
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Dan Gohman [Tue, 12 May 2009 17:08:34 +0000 (17:08 +0000)]
Clarify a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71561
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Sanjiv Gupta [Tue, 12 May 2009 17:07:27 +0000 (17:07 +0000)]
Iterate over globals once and sectionize them into appropriate sections.
Later in asmprinter, go over thsese sections and print them.
Do not print empty sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71560
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Daniel Dunbar [Tue, 12 May 2009 07:26:49 +0000 (07:26 +0000)]
Allow client Makefiles control over whether they want -pedantic by
defining NO_PEDANTIC.
- Pedantic C89 is a painful language...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71545
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Sanjiv Gupta [Tue, 12 May 2009 06:52:41 +0000 (06:52 +0000)]
We do not need to create a label for external defs and decls,
just emit a comment for readability.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71544
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Daniel Dunbar [Tue, 12 May 2009 06:47:12 +0000 (06:47 +0000)]
Set svn:ignore on a slew of +Coverage directories
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71543
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Daniel Dunbar [Tue, 12 May 2009 06:35:50 +0000 (06:35 +0000)]
Refactor dependency generation for .ll files.
- This matches the normal dependency generation code.
- This also fixes the problem that when building a normal and bitcode
archive from the same source, the dependency files would overwrite
one another. Which was bad.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71542
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Daniel Dunbar [Tue, 12 May 2009 05:49:22 +0000 (05:49 +0000)]
Remove obsolete Makefile magic for calling llvm-upgrade
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71540
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Daniel Dunbar [Tue, 12 May 2009 05:35:40 +0000 (05:35 +0000)]
Install bytecode libraries with a .bca suffix, otherwise it isn't
possible to build both a .a and a .bca.
- My understanding is no one else is using this stuff, please let me
know if I am wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71539
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Sanjiv Gupta [Tue, 12 May 2009 04:30:38 +0000 (04:30 +0000)]
Mark mayLoad, mayStore for insns correctly and use them
to check if an insn is accessing memory during mem sel optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71537
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Bob Wilson [Tue, 12 May 2009 03:48:10 +0000 (03:48 +0000)]
Fix pr4195: When iterating through predecessor blocks, break out of the loop
after finding the (unique) layout predecessor. Sometimes a block may be listed
more than once, and processing it more than once in this loop can lead to
inconsistent values for FtTBB/FtFBB, since the AnalyzeBranch method does not
clear these values. There's no point in continuing the loop regardless.
The testcase for this is reduced from the 2003-05-02-DependentPHI SingleSource
test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71536
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Dan Gohman [Tue, 12 May 2009 02:17:14 +0000 (02:17 +0000)]
Factor the code for collecting IV users out of LSR into an IVUsers class,
and generalize it so that it can be used by IndVarSimplify. Implement the
base IndVarSimplify transformation code using IVUsers. This removes
TestOrigIVForWrap and associated code, as ScalarEvolution now has enough
builtin overflow detection and folding logic to handle all the same cases,
and more. Run "opt -iv-users -analyze -disable-output" on your favorite
loop for an example of what IVUsers does.
This lets IndVarSimplify eliminate IV casts and compute trip counts in
more cases. Also, this happens to finally fix the remaining testcases
in PR1301.
Now that IndVarSimplify is being more aggressive, it occasionally runs
into the problem where ScalarEvolutionExpander's code for avoiding
duplicate expansions makes it difficult to ensure that all expanded
instructions dominate all the instructions that will use them. As a
temporary measure, IndVarSimplify now uses a FixUsesBeforeDefs function
to fix up instructions inserted by SCEVExpander. Fortunately, this code
is contained, and can be easily removed once a more comprehensive
solution is available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71535
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Dan Gohman [Tue, 12 May 2009 01:27:58 +0000 (01:27 +0000)]
When forgetting SCEVs for loop PHIs, don't forget SCEVUnknown values.
These values aren't analyzable, so they don't care if more information
about the loop trip count can be had. Also, SCEVUnknown is used for
a PHI while the PHI itself is being analyzed, so it needs to be left
in the Scalars map. This fixes a variety of subtle issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71533
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Dan Gohman [Tue, 12 May 2009 01:23:18 +0000 (01:23 +0000)]
Fix GetMinTrailingZeros for SCEVSignExtend and SCEVZeroExtendExpr to
return the correct value when the cast operand is all zeros. This ought
to be pretty rare, because it would mean that the regular SCEV folding
routines missed a case, though there are cases they might legitimately
miss. Also, it's unlikely anything currently using GetMinTrailingZeros
cares about this case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71532
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Evan Cheng [Tue, 12 May 2009 00:07:35 +0000 (00:07 +0000)]
Avoid unneeded SIB byte encoding. Patch by Zoltan Varga.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71520
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Bill Wendling [Tue, 12 May 2009 00:06:59 +0000 (00:06 +0000)]
- Record that the debug info is actually used so that the label folder doesn't
blast it away.
- Move InlineInfo bookkeeping to bookkeep the correct debug info object.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71519
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Lang Hames [Mon, 11 May 2009 23:14:13 +0000 (23:14 +0000)]
Fixed PR4090.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71495
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Evan Cheng [Mon, 11 May 2009 22:33:01 +0000 (22:33 +0000)]
Teach LSR to optimize more loop exit compares, i.e. change them to use postinc iv value. Previously LSR would only optimize those which are in the loop latch block. However, if LSR can prove it is safe (and profitable), it's now possible to change those not in the latch blocks to use postinc values.
Also, if the compare is the only use, LSR would place the iv increment instruction before the compare instead in the latch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71485
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Mike Stump [Mon, 11 May 2009 21:58:01 +0000 (21:58 +0000)]
Add DW_AT_APPLE_isa and DW_AT_APPLE_block. Radar
6867696
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71479
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Dale Johannesen [Mon, 11 May 2009 21:54:13 +0000 (21:54 +0000)]
Fix PR4188. TailMerging can't tolerate inexact
sucessor info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71478
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Evan Cheng [Mon, 11 May 2009 20:53:52 +0000 (20:53 +0000)]
Apply patch review feedback.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71472
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Jay Foad [Mon, 11 May 2009 19:38:09 +0000 (19:38 +0000)]
Don't #include DerivedTypes.h from TargetData.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71468
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Dan Gohman [Mon, 11 May 2009 19:11:53 +0000 (19:11 +0000)]
Add a comment about the special meaning of VoidTy in this context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71466
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Dan Gohman [Mon, 11 May 2009 18:51:16 +0000 (18:51 +0000)]
Fix two wording errors that Duncan spotted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71459
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Dan Gohman [Mon, 11 May 2009 18:49:56 +0000 (18:49 +0000)]
Make this grep line a little more specific so that it doesn't
accidentally match something unrelated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71458
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Evan Cheng [Mon, 11 May 2009 18:40:52 +0000 (18:40 +0000)]
Unbreak non-debug build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71457
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Evan Cheng [Mon, 11 May 2009 18:40:35 +0000 (18:40 +0000)]
Eliminate a compiler warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71456
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Dan Gohman [Mon, 11 May 2009 18:30:42 +0000 (18:30 +0000)]
When scalarizing a vector BITCAST, check whether the operand has vector
type, rather than assume that it does. If the operand is not vector, it
shouldn't be run through ScalarizeVectorOp. This fixes one of the
testcases in PR3886.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71453
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Dan Gohman [Mon, 11 May 2009 18:06:05 +0000 (18:06 +0000)]
LLVM has unaligned loads and stores now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71449
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Douglas Gregor [Mon, 11 May 2009 18:05:52 +0000 (18:05 +0000)]
Add terminal width detection to llvm::sys::Process. This is needed to
fix Clang PRs 4148 and 4183.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71448
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Dan Gohman [Mon, 11 May 2009 18:04:52 +0000 (18:04 +0000)]
Upgrade this example to new-style syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71447
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Dan Gohman [Mon, 11 May 2009 18:02:53 +0000 (18:02 +0000)]
Convert a subtract into a negate and an add when it helps x86
address folding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71446
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Dan Gohman [Mon, 11 May 2009 17:57:43 +0000 (17:57 +0000)]
Add an svn:ignore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71445
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Chris Lattner [Mon, 11 May 2009 17:41:40 +0000 (17:41 +0000)]
remove some done things: we have nocapture and SROA is smarter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71443
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Chris Lattner [Mon, 11 May 2009 17:36:33 +0000 (17:36 +0000)]
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71442
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Dale Johannesen [Mon, 11 May 2009 17:15:42 +0000 (17:15 +0000)]
Reverse a loop that is counting up to a maximum to
count down to 0 instead, under very restricted
circumstances. Adjust 4 testcases in which this
optimization fires.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71439
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John Mosby [Mon, 11 May 2009 17:04:19 +0000 (17:04 +0000)]
Shrink wrapping in PEI:
- reduces _static_ callee saved register spills
and restores similar to Chow's original algorithm.
- iterative implementation with simple heuristic
limits to mitigate compile time impact.
- handles placing spills/restores for multi-entry,
multi-exit regions in the Machine CFG without
splitting edges.
- passes test-suite in LLCBETA mode.
Added contains() method to ADT/SparseBitVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71438
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Jay Foad [Mon, 11 May 2009 11:32:25 +0000 (11:32 +0000)]
Don't generate redundant casts of constant values when lowering calls to
memcpy, memmove and memset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71427
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Jay Foad [Mon, 11 May 2009 11:13:47 +0000 (11:13 +0000)]
Change TargetData::getIntPtrType() to return an IntegerType instead of
just a Type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71426
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Sanjiv Gupta [Mon, 11 May 2009 08:52:04 +0000 (08:52 +0000)]
Fix more naming issues.
compiler libcalls start with .lib. now.
fixed section names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71424
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Sanjiv Gupta [Mon, 11 May 2009 06:01:38 +0000 (06:01 +0000)]
Detect calls to compiler intrinsics and emit an extern declarations
only for those. These extern declarations to intrinsics are currently
being emitted at the bottom of generated .s file, which works fine with
gpasm(not sure about MPSAM though).
PIC16 linker generates errors for few cases (function-args/struct_args_5) if you do not include any
extern declarations (even if no intrinsics are being used), but that
needs to be fixed in the linker itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71423
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Bill Wendling [Sun, 10 May 2009 23:27:41 +0000 (23:27 +0000)]
Needed #includes. Thanks Fritz van Bommel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71413
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Bill Wendling [Sun, 10 May 2009 23:14:38 +0000 (23:14 +0000)]
This is a large rewrite of how Dwarf info for inlined functions is handled.
The DwarfWriter expects DbgScopes and DIEs to behave themselves according to
DwarfWriter's rules. However, inlined functions violate these rules. There are
two different types of DIEs associated with an inlined function: an abstract
instance, which has information about the original source code for the function
being inlined; and concrete instances, which are created for each place the
function was inlined and point back to the abstract instance.
This patch tries to stay true to this schema. It bypasses how regular DbgScopes
and DIEs are created and used when necessary. It provides special handling for
DIEs of abstract and concrete instances.
This doesn't take care of all of the problems with debug info for inlined
functions, but it's a step in the right direction. For one thing, llvm-gcc
generates wrong IR (it's missing some llvm.dbg intrinsics at the point where the
function's inlined) for this example:
#include <stdio.h>
static __inline__ __attribute__((always_inline)) int bar(int x) { return 4; }
void foo() {
long long b = 1;
int Y = bar(4);
printf("%d\n", Y);
}
while clang generates correct IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71410
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Nick Lewycky [Sun, 10 May 2009 20:57:05 +0000 (20:57 +0000)]
Make MDNode use CallbackVH. Also change MDNode to store Value* instead of
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71407
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Sanjiv Gupta [Sun, 10 May 2009 16:18:39 +0000 (16:18 +0000)]
Module iterator contains list of filescope functions as well, we don't need to emit and global declarations for them. This was working earlier and was broken during one of the recent commit for PIC16 naming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71394
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Anton Korobeynikov [Sun, 10 May 2009 14:49:00 +0000 (14:49 +0000)]
Add imm-reg and imm-mem patters for cmp on msp430
(imm is allowed to be source operand, not dest...)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71393
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Anton Korobeynikov [Sun, 10 May 2009 14:48:36 +0000 (14:48 +0000)]
Add MSP430 test for PR4136
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71392
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Sanjiv Gupta [Sun, 10 May 2009 05:23:47 +0000 (05:23 +0000)]
Changed lowering and asmprinter to use ABI Names class called PAN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71386
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Bill Wendling [Sun, 10 May 2009 00:10:50 +0000 (00:10 +0000)]
--- Reverse-merging r71370 into '.':
U lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
Revert r71370.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71373
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Bill Wendling [Sat, 9 May 2009 23:51:35 +0000 (23:51 +0000)]
A debug function start was not being recorded when the optimization level wasn't
None. However, we were always recording the region end. There's no longer a good
reason for this code to be separated out between the different opt levels, as it
was doing pretty much the same thing anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71370
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Evan Cheng [Sat, 9 May 2009 19:18:01 +0000 (19:18 +0000)]
Oops. Don't forget to align single bb loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71363
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