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Author SHA1 Message Date
Dan Gohman 0586df2f25 Fix a few missing entries in lto.exports. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112068 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 18:22:12 +00:00
Dan Gohman 848c9aedd7 Clear FunctionLocalMDs in purgeFunction along with the rest of the 
function-specific state.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:11:16 +00:00
Dan Gohman 5c18fa2736 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:09:50 +00:00
Dan Gohman 879d811563 Eliminate an unnecessary cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:09:03 +00:00
Dan Gohman 7548fb37f1 Don't include the is-function-local bit in the FoldingSetNodeID 
for MDNodes, since this information is effectively implied by
the operands. This allow allows the code to avoid doing a
recursive is-it-really-function-local check in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:21:12 +00:00
Dan Gohman 365c53e328 Use Bits.data() instead of &Bits[0]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111993 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:16:53 +00:00
Dan Gohman 3e242f86eb XFAIL this on mingw, following remove_arguments_test.ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111962 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:54:50 +00:00
Dan Gohman a15a133647 Add a testcase for basic bugpointing in the presence of metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111955 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:23:51 +00:00
Dan Gohman e422d1b162 Link NamedMDNodes after linking GlobalValues, so that MDNodes 
which reference GlobalValues are properly remapped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:37:11 +00:00
Dan Gohman e5835fbe7f When linking NamedMDNodes, remap their operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111948 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:31:04 +00:00
Dan Gohman 05ea54e886 Use MapValue in the Linker instead of having a private function 
which does the same thing. This eliminates redundant code and
handles MDNodes better. MDNode linking still doesn't fully
work yet though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:50:07 +00:00
Dan Gohman c47a474802 Don't cast away qualifiers with C-style casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111933 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:09:44 +00:00
Dan Gohman 4ce307f963 MapValue support for MDNodes. This is similar to r109117, except 
that it avoids a lot of unnecessary cloning by avoiding remapping
MDNode cycles when none of the nodes in the cycle actually need to
be remapped. Also it uses the new temporary MDNode mechanism.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:10:10 +00:00
Dan Gohman 92b651fb19 Fix X86's isLegalAddressingMode to recognize that static addresses 
need not be RIP-relative in small mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 15:55:12 +00:00
Dan Gohman 2426668562 MDNode, MDString, and NamedMDNode are not meant to be subclassed; 
make their protected members private. And remove an unnecessary
explicit keyword.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 15:34:03 +00:00
Dan Gohman 6826114d6e Add a comment explaining why this code doesn't just call 
ParseMetadataValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 14:35:45 +00:00
Dan Gohman 41d6ab4b88 Add a comment explaining why this code is more complex than it 
initially seems it should require.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111913 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 14:31:06 +00:00
Dan Gohman d01347e080 Add braces to fix dangling else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:40:27 +00:00
Dan Gohman 309b3af547 Extend function-local metadata to be usable as attachments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:24:03 +00:00
Dan Gohman 78aeae2d7b When we know we have an MDValue or MDString, call EnumerateMetadata 
directly instead of going through EnumerateValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111894 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:10:52 +00:00
Dan Gohman 9d072f51eb Give ParseInstructionMetadata access to the PerFunctionState object. 
This is in preparation for generalizing its parsing of function-local
values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:05:17 +00:00
Dan Gohman 078b05320a Simplify this code. NamedMDNode operands are MDNodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111892 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:01:24 +00:00
Dan Gohman 97cfa7dc0a Verify that a non-uniqued non-temporary MDNode is not deleted via 
MDNode::deleteTemporary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 22:32:05 +00:00
Dan Gohman baf2883e0a formatted_tool_output_file::close needs to flush its buffer before 
closing the underlying stream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:43:24 +00:00
Dan Gohman 990bdd50d1 Add an assert to MDNode::deleteTemporary check that the node being deleted 
is not non-temporary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111713 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 02:52:29 +00:00
Dan Gohman 8bef744518 Fix x86 fast-isel's cmp+branch folding to avoid folding when the 
comparison is in a different basic block from the branch. In such
cases, the comparison's operands may not have initialized virtual
registers available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-21 02:32:36 +00:00
Dan Gohman a3833f18bf CreateTemporaryType doesn't needs its Context argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 22:39:47 +00:00
Dan Gohman 489b29b0a4 Introduce a new temporary MDNode concept. Temporary MDNodes are 
not part of the IR, are not uniqued, and may be safely RAUW'd.
This replaces a variety of alternate mechanisms for achieving
the same effect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111681 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 22:02:26 +00:00
Dan Gohman c85829617b Reword NamedMDNode's comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111663 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 18:22:57 +00:00
Dan Gohman 8d18006cf2 Delete SlowOperationInformer, which is no longer used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 18:07:37 +00:00
Dan Gohman 7316638bc7 Convert DbgInfoPrinter to use errs() instead of outs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111659 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 18:03:05 +00:00
Dan Gohman f29140106f Convert tools to use tool_output_file, and introduce error 
checking to places which previously lacked it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:59:15 +00:00
Dan Gohman e7b67d0e94 Diagnose attempts to update standard output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111649 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:56:11 +00:00
Dan Gohman 7a4575e26e Convert FileUpdate to use tool_output_file, and to use 
errs() instead of outs() for its verbose messages.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:54:27 +00:00
Dan Gohman cec358ae16 Convert tablegen to use tool_output_file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:45:58 +00:00
Dan Gohman 5d56d9df92 Make outs() close its file when its stream is destructed, so that 
pending output errors are detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111643 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:44:56 +00:00
Dan Gohman a1f89deb56 Delete raw_stdout_ostream and raw_stderr_ostream, which are unused 
outside of outs() and errs() themselves, and they don't really
need custom classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:39:41 +00:00
Dan Gohman 00d1cdeca9 Add an inspirational quote. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111641 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:36:19 +00:00
Dan Gohman 27f7aad50b Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:35:30 +00:00
Dan Gohman 8df0e01046 Move raw_ostream's Error flag into raw_fd_ostream, as that's the only 
class which is using it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:34:20 +00:00
Dan Gohman 634d661965 Export error-handling functions in formatted_tool_output_file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 16:27:38 +00:00
Dan Gohman 2df9504fec Use tool_output_file in llvm-extract and llvm-link too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 01:12:13 +00:00
Dan Gohman d5826a33a5 Use the new tool_output_file in several tools. This fixes a variety 
of problems with output files being left behind or output streams
being left unclosed. Fix llvm-mc to respect the -o option in all
modes, rather than hardcoding outs() in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 01:07:01 +00:00
Dan Gohman 52fdaeda75 Make the SCC printing passes use errs() instead of outs(), as the 
other printing passes do, and update the documentation accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 01:03:44 +00:00
Dan Gohman 4bb122e5ac Print chatty verbose messages to errs() instead of outs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111599 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 01:02:14 +00:00
Dan Gohman cfbe401e8b Minor cleanups to follow the common convention for pass 
registration variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 01:00:03 +00:00
Dan Gohman a2a3bbc668 Minor cleanups to follow the common convention for pass 
registration variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 00:56:16 +00:00
Dan Gohman af0636f4d6 Introduce a new tool_output_file class, which extends raw_ostream with 
functionality that most command-line tools need: ensuring that the
output file gets deleted if the tool is interrupted or encounters an
error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-20 00:48:10 +00:00
Dan Gohman 8a757aeac4 Revert r111199; it breaks -debug-pass=Structure output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-19 01:29:07 +00:00
Dan Gohman 694a15eabe Process the step before the start, because it's usually the simpler 
of the two.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111495 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-19 01:02:31 +00:00
Dan Gohman e0b313d599 Add a testcase to verify that commands don't crash when they hit 
errors on stderr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111440 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:35:56 +00:00
Dan Gohman 2499990699 Make raw_fd_ostream consider itself the owner of STDOUT_FILENO when 
constructed with an output filename of "-". In particular, allow the
file descriptor to be closed, and close the file descriptor in the
destructor if it hasn't been explicitly closed already, to ensure
that any write errors are detected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:26:19 +00:00
Dan Gohman 4bb4641784 When sending stats output to stdout for grepping, don't emit normal 
output to standard output also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:22:44 +00:00
Dan Gohman d77e5a8176 Tidy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 22:04:43 +00:00
Dan Gohman 4a8d7db6cf When sending stats output to stdout for grepping, don't emit normal 
output to standard output also.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:32:46 +00:00
Dan Gohman e16068240e Introduce a ScopedFatalErrorHandler class to make it easy to register 
fatal error handlers which automatically get unregistered at the end
of a scope.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111398 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 20:16:39 +00:00
Dan Gohman 18cde6df91 Eliminate some redundancy by relying on raw_fd_ostream to handle "-" 
properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111373 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:55:15 +00:00
Dan Gohman 4931b312c0 Allow the -analyze option to follow the -o option, which defaults to 
standard output, instead of just hardcoding outs().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:42:59 +00:00
Dan Gohman 86cbc1bb11 Don't translate "-" to outs() manually; raw_ostream does that automatically. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111371 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:40:10 +00:00
Dan Gohman 510cea0f90 Don't translate "-" to outs() manually; raw_ostream does that 
automatically.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111370 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:26:50 +00:00
Dan Gohman ca91912a3b Don't register stdout to be deleted on a signal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:21:42 +00:00
Dan Gohman 0a6ee29aae Remove an unused command-line option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111367 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 17:20:51 +00:00
Dan Gohman f9d1163769 Fix the "Finished Creating" messages for aliases to print the 
right name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 01:35:53 +00:00
Dan Gohman d2da32711d Revert r111321. This doesn't fix a problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111339 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-18 01:34:52 +00:00
Dan Gohman bbc1da8ded Tweak IVUsers' concept of "interesting" to exclude add recurrences 
where the step value is an induction variable from an outer loop, to
avoid trouble trying to re-expand such expressions. This effectively
hides such expressions from indvars and lsr, which prevents them
from getting into trouble.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 22:50:37 +00:00
Dan Gohman fc8042a122 When rotating loops, put the original header at the bottom of the 
loop, making the resulting loop significantly less ugly.  Also, zap
its trivial PHI nodes, since it's easy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111255 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:39:21 +00:00
Dan Gohman 1c034dcbbc Use the getUniquePredecessor() utility function, instead of doing 
what it does manually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111248 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 17:07:02 +00:00
Dan Gohman 3620ff9a8b The plural of analysis is analyses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:57:28 +00:00
Dan Gohman 65bffec2c2 Make dumpPassStructure be a PMDataManager abstraction, rather than 
a Pass abstraction, since that's the level it's actually used at.
Rename Pass' dumpPassStructure to dumpPass.

This eliminates an awkward use of getAsPass() to convert a PMDataManager*
into a Pass* just to permit a dumpPassStructure call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:45:12 +00:00
Dan Gohman 9fb7d04cfc Make some of PMTopLevelManager's members non-public. In particular, 
make its constructor protected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:03:47 +00:00
Dan Gohman b85b31b300 Remove redundant inline keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:57:30 +00:00
Dan Gohman 7578ea887d Eliminate the TopLevelManagerType enum; instead, just make 
PMTopLevelManager's constructor take a PMDataManager *, which already
provides the needed abstraction support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:38:42 +00:00
Dan Gohman 7d0e3c01f3 Revert r111031. The way LLVM defines loop invariance, the property of an 
expression being loop invariant is not equivalent to the property of
properly dominating the loop header.

Other optimizations have also made this optimization less important.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:34:25 +00:00
Dan Gohman 081ad68e68 Placate overzealous compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:01:55 +00:00
Dan Gohman 1895991a08 To create a copy of a SmallVector with an element removed from the 
middle, copy the elements in two groups, rather than copying all the
elements and then doing an erase on the middle of the result. These
are SmallVectors, so we shouldn't expect to hit dynamic allocation
in the common case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:57:24 +00:00
Dan Gohman 0c5e95df57 Tidy whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:34:09 +00:00
Dan Gohman 619d3324bd Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:31:39 +00:00
Dan Gohman 8d9c7a6701 Use const_iterator in a few places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:30:01 +00:00
Dan Gohman 2d16fc5ff0 Use iterators instead of indices in a few more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:27:53 +00:00
Dan Gohman e28d7922f7 Micro-optimize SCEVConstant comparison. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:25:35 +00:00
Dan Gohman 2f199f9952 Move SCEVNAryExpr's virtual member functions out of line, and convert 
them to iterators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:21:27 +00:00
Dan Gohman bb85409b51 Use iterators instead of indices in simple cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111138 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:16:11 +00:00
Dan Gohman c4f77983d8 Avoid gratuitous inefficiency in ifndef NDEBUG code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:13:54 +00:00
Dan Gohman d3f171d66f Make one getAddExpr call when analyzing a+b+c+d+e+... instead of one 
for each add instruction. Ditto for Mul.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111136 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:03:49 +00:00
Dan Gohman 57560da3f5 Delete an unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:57:14 +00:00
Dan Gohman 3e22b7c916 Instead of having CollectSubexpr's categorize operands as interesting or 
uninteresting, just put all the operands on one list and make
GenerateReassociations make the decision about what's interesting.
This is simpler, and it avoids an extra ScalarEvolution::getAddExpr call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:50:00 +00:00
Dan Gohman 4065f60912 Put add operands in ScalarEvolution-canonical order, when convenient. 
This isn't necessary, because ScalarEvolution sorts them anyway,
but it's tidier this way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:39:27 +00:00
Dan Gohman aadb5f5adb Specialize FoldingSetTrait<SCEV>, providing implementations of node 
comparison and hash computation which don't require constructing
temporary ID values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:31:45 +00:00
Dan Gohman 3063410e52 Add hooks to FoldingSetTrait to allow specializations to provide 
implementations of equality comparison and hash computation. This
can be used to optimize node lookup by avoiding creating lots of
temporary ID values just for hashing and comparison purposes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:30:39 +00:00
Dan Gohman 0ba422ba6e Tidy up whitespace in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111129 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:04:39 +00:00
Dan Gohman 1878aba8e4 Constify FoldingSetNodeIDRef's Data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 15:03:24 +00:00
Dan Gohman 6616f7e2f1 Reverse the order of GetNodeProfile's arguments, for consistency 
with FoldingSetTrait::Profile.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 14:53:42 +00:00
Dan Gohman 83fb63d5b3 Fix indentation in example code in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 14:45:36 +00:00
Dan Gohman ebd9923bd8 Avoid #include <ScalarEvolution.h> in LoopSimplify.cpp, which doesn't 
actually use ScalarEvolution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 14:44:03 +00:00
Dan Gohman 7a4994356b Instead, teach SimplifyCFG to trim non-address-taken blocks from 
indirectbr destination lists.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 14:41:14 +00:00
Dan Gohman 9883b95a2b Revert r111058, the lint check for indirectbr successors that aren't 
address-taken. This can occur normally, if the code which took the
address got DCEd.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 14:39:19 +00:00
Dan Gohman c2f40066bb LoopSimplify shouldn't split loop backedges that use indirectbr. PR7867. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 00:43:09 +00:00
Dan Gohman e2c6d131d1 Teach SimplifyCFG how to simplify indirectbr instructions. 
- Eliminate redundant successors.
 - Convert an indirectbr with one successor into a direct branch.

Also, generalize SimplifyCFG to be able to be run on a function entry block.
It knows quite a few simplifications which are applicable to the entry
block, and it only needs a few checks to avoid trouble with the entry block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-14 00:29:42 +00:00
Dan Gohman 61556e3a94 Add a lint check for an indirectbr destination which has not 
had its address taken.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 23:56:28 +00:00
Dan Gohman 0ad2c7ace8 Various optimizations. Don't compare two loops' depths 
when they are the same loop. Don't compare two instructions'
loop depths when they are in the same block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111045 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-13 21:24:58 +00:00