Nick Lewycky
3892baac42
Clean up the usage of evaluateICmpRelation's return value.
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Add another line to the ConstantExprFold test to demonstrate the GEPs may not
wrap around in either the signed or unsigned senses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82361 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 04:27:06 +00:00
Daniel Dunbar
256db9bf9d
Fix refacto, this code was expecting to stride past the argument prefix.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82360 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 04:03:41 +00:00
Daniel Dunbar
ce99a6e49e
Strip trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 04:03:34 +00:00
Daniel Dunbar
65b660743c
A few more tabs -> spaces.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82358 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 04:03:25 +00:00
Nick Lewycky
d43737bd09
Remove dead store by taking a guess at what Chris meant. I wasn't able to
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design a testcase that would tickle this behaviour.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 03:48:46 +00:00
Bill Wendling
8d5a831bfa
Still one more thing wrong here...
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:27:06 +00:00
Daniel Dunbar
a279bc3da5
Tabs -> spaces, and remove trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:20:51 +00:00
Bill Wendling
5511ffd763
Here's fun! It turns out that these filter functions can be internal. If they're
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internal, they shouldn't use the indirect pointer stuff. In the case of
throw_rethrow_test, it was marked as 'internal' and calculated its own offset to
its contents.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82354 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:19:49 +00:00
Nick Lewycky
a80e9598ca
Delete dead code. sext and zext can not turn integers into pointers. Further,
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the optimization described in the comment is only valid with target data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82353 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:11:47 +00:00
Chris Lattner
8a7a05814c
convert argname to StringRef, simplifying LookupOption.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:02:24 +00:00
Chris Lattner
4e247ec495
convert 'Value' to StringRef which makes it easier to
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maintain the "null is unspecified, empty is empty" semantics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:53:12 +00:00
Chris Lattner
341620b276
Change CommaSeparated processing to do it with StringRef instead of temporary std::strings.
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This requires StringRef'izing ProvideOption which I also did.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82350 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:49:31 +00:00
Nick Lewycky
33c06adcf1
Value* were never meant to be const. Removing constness from the constant
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folder removes a lot of const_casting and requires no changes to clang or
llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82349 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:35:59 +00:00
Chris Lattner
b7b71a37a1
rewrite ParseCStringVector in terms of stringref.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82348 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:33:46 +00:00
Chris Lattner
05a32c8ab1
move a couple non-trivial methods out of line, add new
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find_first_of/find_first_of methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:22:16 +00:00
Chris Lattner
fb2674d0de
coding style cleanup
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 01:11:23 +00:00
Chris Lattner
99c5c7b7df
convert a bunch more stuff to use StringRef. The ArgName arguments are now
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stringref because they may not be nul terminated. For options like -Lfoo
this now avoids a O(n) temporary std::strings where N is the length of
the string after -L.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82345 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 00:40:49 +00:00
Chris Lattner
db513bc096
add size_t and a version of rfind that allows specification of where
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to scan from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82343 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 00:38:28 +00:00
Dale Johannesen
39faac2531
When computing live intervals for earlyclobber operands,
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we pushed the beginning of the interval back 1, so the
interval would overlap with inputs that die. We were
also pushing the end of the interval back 1, though,
which means the earlyclobber didn't overlap with other
output operands. Don't do this. PR 4964.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82342 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 00:36:41 +00:00
Chris Lattner
ba11229f52
avoid a bunch of malloc thrashing for PositinoalVals by eliminating
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a std::vector and a bunch of std::string temporaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82341 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 00:07:40 +00:00
Nick Lewycky
f4d1882743
Teach the constant folder how to handle a few simple i1 cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82340 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 00:04:02 +00:00
Chris Lattner
970e7dff5b
Avoid some temporary strings.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82339 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 23:59:02 +00:00
Chris Lattner
63c6b7dc67
add some more overloads of StringRef::getAsInteger for
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common and useful integer types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 23:58:48 +00:00
Chris Lattner
3670a01d0b
add a simple c_str() method to SmallString.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82337 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 23:57:31 +00:00
Bill Wendling
68a77ab5d2
Revert r82274. It's causing failures in the CINT2006 benchmarks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 22:02:37 +00:00
Daniel Dunbar
7dd76a1088
Prefer super class constructor to explicit initialization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82335 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:28 +00:00
Daniel Dunbar
3fc19bbbbb
Tabs -> spaces (really?)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82334 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:21 +00:00
Daniel Dunbar
0056499549
Fix indentation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:14 +00:00
Daniel Dunbar
f612ff6cfb
Strip trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:05 +00:00
Daniel Dunbar
7e32c4fa72
RHS of assignment should be const reference.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82331 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:39:50 +00:00
Nick Lewycky
c332fba828
Remove the default value for ConstantStruct::get's isPacked parameter and
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update the code which was broken by this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:30:26 +00:00
Chris Lattner
cea1438cf5
provide a "strtoull" operation that works on StringRef's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 19:47:14 +00:00
Nick Lewycky
c2fc1fec6c
Add a comment explaining why you would ever want to do this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 19:00:06 +00:00
Chris Lattner
a460beb5cd
convert a bunch of std::strings to use StringRef. This should eliminate
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a massive number of temporary strings created when parsing a command line.
More still left to eliminate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82318 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 18:55:05 +00:00
Nick Lewycky
875646f376
Lett users of sparse propagation do their own thing with phi nodes if they want
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to. This can be combined with LCSSA or SSI form to store more information on a
PHINode than can be computed by looking at its incoming values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 18:33:36 +00:00
Duncan Sands
ad38936781
The flag "--dot-cfg-only" is at the moment equivalent to the flag "--dot-cfg".
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It prints the content of all bbs, instead of printing empty bbs to make the
CFG more readable. Fix this. Patch by Tobias Grosser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 11:25:44 +00:00
Evan Cheng
431f775bab
Fix funky comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82314 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 10:09:15 +00:00
Evan Cheng
0002e506de
Update comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82313 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 10:08:51 +00:00
Benjamin Kramer
461c87655b
Try to speed up the slowest parts of the CommandLine library
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- Replace std::map<std::string with StringMap
- Eliminate unnecessary std::string copies
- ~10% speed-up for clang's testsuite on my machine (debug build)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82312 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 10:01:45 +00:00
Evan Cheng
ce31910eae
Fix PR4926. When target hook EmitInstrWithCustomInserter() insert new basic blocks and update CFG, it should also inform sdisel of the changes so the phi source operands will come from the right basic blocks.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82311 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 09:51:03 +00:00
Victor Hernandez
83d63919bd
Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst.
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Reviewed by Dan Gohman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 22:35:49 +00:00
Chris Lattner
4a86348bfb
remove an extraneous mem2reg pass early in the pipe. Since
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this is run after the 'standard function passes', SRoA was
recently run. This saves a domfrontier construction. Thanks
to Eli for noticing this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 22:03:29 +00:00
Chris Lattner
d7a5983e48
reduce indentation by using an early exit, and add a comment,
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no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82290 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 22:01:30 +00:00
Bob Wilson
e31e4e51a9
Fix a comment typo and some whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82285 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:43:11 +00:00
Bob Wilson
a15de00f82
Fix a typo in an assertion message.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:42:44 +00:00
Bill Wendling
f41b6e5d06
Factor out label difference creation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82282 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:37:56 +00:00
Victor Hernandez
46e8312fb7
Enhance analysis passes so that they apply the same analysis to malloc calls as to MallocInst.
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Reviewed by Eli Friedman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:34:51 +00:00
Dan Gohman
d268e00938
Delete the label names from this test to make it less fragile.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82276 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:23:12 +00:00
Bill Wendling
296ab7e544
It's inefficient to have place the exception tables (which contain the LSDA)
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into the __DATA section. At launch time, dyld has to update most of the section
to fix up the type info pointers. It's better to place it into the __TEXT
section and use pc-rel indirect pointer encodings. Similar to the personality
routine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:14:36 +00:00
Evan Cheng
fb2e752e41
Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes.
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Not functionality change yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:02:19 +00:00