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Commit Graph

5443 Commits

Author SHA1 Message Date
Owen Anderson
aa8c94b051 Change ConstantArray to 2.5 API.
llvm-svn: 77347
2009-07-28 18:32:17 +00:00
Dan Gohman
0d0dd7b732 Teach instcombine to respect and preserve inbounds. Add inbounds
to a few tests where it is required for the expected transformation.

llvm-svn: 77290
2009-07-28 01:40:03 +00:00
Mike Stump
8902846c69 Fix a small little typo.
llvm-svn: 77289
2009-07-28 01:35:34 +00:00
Dan Gohman
11eb2ee32c Replace dyn_castGetElementPtr with dyn_cast<GEPOperator>.
llvm-svn: 77286
2009-07-28 00:37:50 +00:00
Dan Gohman
361e911b89 Grab the LLVMContext and parent Module of SI ahead of the
point where SI can get deleted. This fixes a use of free'd memory.
This fixes Externals/Povray.

llvm-svn: 77285
2009-07-28 00:37:06 +00:00
Mike Stump
6cc3ea28df Fix a release-asserts warning. Debug functions should be marked used,
if there are no other uses.  If people don't need this routine
anymore, if should be deleted.

llvm-svn: 77274
2009-07-27 23:33:34 +00:00
Mike Stump
be4029ff76 Avoid build warnings.
llvm-svn: 77271
2009-07-27 23:14:11 +00:00
Owen Anderson
d729f993b8 Move ConstantStruct back to 2.5 API.
llvm-svn: 77266
2009-07-27 22:29:26 +00:00
Owen Anderson
256c2c250e Move ConstantFP construction back to the 2.5-ish API.
llvm-svn: 77247
2009-07-27 20:59:43 +00:00
Devang Patel
dfa0528df7 Do not seed mstadata into the value map.
llvm-svn: 77208
2009-07-27 17:17:04 +00:00
Daniel Dunbar
4a36d5dcfd Remove Value::getName{Start,End}, the last of the old Name APIs.
llvm-svn: 77152
2009-07-26 09:48:23 +00:00
Daniel Dunbar
64abfd0337 Remove Value::getNameLen
llvm-svn: 77148
2009-07-26 08:34:35 +00:00
Daniel Dunbar
75a66c519b Eliminate some uses of DOUT, cerr, and getNameStart().
llvm-svn: 77145
2009-07-26 07:49:05 +00:00
Daniel Dunbar
038a7f0d35 Remove Value::{isName, getNameRef}.
Also, change MDString to use a StringRef.

llvm-svn: 77098
2009-07-25 23:55:21 +00:00
Daniel Dunbar
251177c96e Initial update to VMCore to use Twines for string arguments.
- The only meat here is in Value.{h,cpp} the rest is essential 'const
   std::string &' -> 'const Twine &'.

llvm-svn: 77048
2009-07-25 04:41:11 +00:00
Eric Christopher
b5f8390b6c Fix 80-col violations.
llvm-svn: 77045
2009-07-25 02:45:27 +00:00
Eric Christopher
df9c86fc26 Move ExtractElementInst to ::Create instead of new. Update all uses.
llvm-svn: 77044
2009-07-25 02:28:41 +00:00
Dan Gohman
9a7deba67e Convert a few more things to use raw_ostream.
llvm-svn: 77039
2009-07-25 01:43:01 +00:00
Dan Gohman
fdf1a11a27 Convert a few more uses of llvm/Support/Streams.h to raw_ostream.
llvm-svn: 77033
2009-07-25 01:13:51 +00:00
Dan Gohman
acc5d6eaae Make AliasAnalysis and related classes use
getAnalysisIfAvailable<TargetData>().

llvm-svn: 77028
2009-07-25 00:48:42 +00:00
Daniel Dunbar
8496064116 More migration to raw_ostream, the water has dried up around the iostream hole.
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
2009-07-25 00:23:56 +00:00
Owen Anderson
cc33e89571 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come.
llvm-svn: 77011
2009-07-24 23:12:02 +00:00
Dan Gohman
b895f668cc AliasAnalysis wants sizes in address-units, not bits.
llvm-svn: 77009
2009-07-24 23:01:30 +00:00
Dan Gohman
58619d5ad2 Fix this condition I accidentally inverted.
llvm-svn: 76988
2009-07-24 18:31:07 +00:00
Dan Gohman
f1a01b8cc0 Convert several more passes to use getAnalysisIfAvailable<TargetData>()
instead of getAnalysis<TargetData>().

llvm-svn: 76982
2009-07-24 18:13:53 +00:00
Daniel Dunbar
339c88008f Move more to raw_ostream, provide support for writing MachineBasicBlock,
LiveInterval, etc to raw_ostream.

llvm-svn: 76965
2009-07-24 10:36:58 +00:00
Daniel Dunbar
e3fea713f1 Switch to getNameStr().
llvm-svn: 76962
2009-07-24 08:24:36 +00:00
Daniel Dunbar
b5adc13728 Convert StringMap to using StringRef for its APIs.
- Yay for '-'s and simplifications!

 - I kept StringMap::GetOrCreateValue for compatibility purposes, this can
   eventually go away. Likewise the StringMapEntry Create functions still follow
   the old style.

 - NIFC.

llvm-svn: 76888
2009-07-23 18:17:34 +00:00
Chris Lattner
2ed4453d0e refactor a blob of code out to a new 'FoldOrOfFCmps' function and
simplify it.

llvm-svn: 76866
2009-07-23 05:46:22 +00:00
Chris Lattner
c687344f0c Make some existing optimizations that would only trigger on scalars
also apply to vectors.  This allows us to compile this:

#include <emmintrin.h>
__m128i a(__m128 a, __m128 b) { return a==a & b==b; }
__m128i b(__m128 a, __m128 b) { return a!=a | b!=b; }

to:

_a:
	cmpordps	%xmm1, %xmm0
	ret
_b:
	cmpunordps	%xmm1, %xmm0
	ret

with clang instead of to a ton of horrible code.

llvm-svn: 76863
2009-07-23 05:32:17 +00:00
Chris Lattner
af6fdef894 refactor a bunch of code out into a helper function,
no functionality change.

llvm-svn: 76859
2009-07-23 05:14:02 +00:00
Daniel Dunbar
51818313fe Remove unnecessary store to temporary std::string.
llvm-svn: 76782
2009-07-22 20:46:46 +00:00
Eli Friedman
ca2e01b721 Don't give a massive inlining cost bonus to available_externally
functions with a single use; eliminating the single use may eliminate 
the function from the current module, but usually doesn't eliminate 
it from the final program.

llvm-svn: 76730
2009-07-22 08:12:59 +00:00
Owen Anderson
cc287b28c9 Get rid of the Pass+Context magic.
llvm-svn: 76702
2009-07-22 00:24:57 +00:00
Dan Gohman
b45091f0f9 Convert instcombine from using using getAnalysis<TargetData> to
getAnalysisIfAvailable<TargetData>.

llvm-svn: 76676
2009-07-21 23:21:54 +00:00
Owen Anderson
7f61f8dc30 Rename getConstantInt{True|False} to get{True|False} at Chris' behest.
llvm-svn: 76598
2009-07-21 18:03:38 +00:00
Ted Kremenek
60d0ab4838 Update CMake files.
llvm-svn: 76595
2009-07-21 17:43:20 +00:00
Owen Anderson
b64eef73cf Move a bit more state over to the LLVMContext.
llvm-svn: 76533
2009-07-21 02:47:59 +00:00
Chris Lattner
31022c9412 use ExpandInlineAsm on TargetLowering instead of TargetAsmInfo.
llvm-svn: 76442
2009-07-20 17:52:52 +00:00
Dan Gohman
00b05492f1 Revert the addition of hasNoPointerOverflow to GEPOperator.
Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.

Remove a few optimizations that depended on this flag.

llvm-svn: 76437
2009-07-20 17:43:30 +00:00
Chris Lattner
eac40b1473 implement a new magic global "llvm.compiler.used" which is like llvm.used, but
doesn't cause ".no_dead_strip" to be emitted on darwin.

llvm-svn: 76399
2009-07-20 06:14:25 +00:00
Bill Wendling
1a10a060cb Add plumbing for the `linker_private' linkage type. This type is meant for
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.

This is plumbing, so we don't have a use of it yet. More to come, etc.

llvm-svn: 76385
2009-07-20 01:03:30 +00:00
Eli Friedman
e507c1afaa Canonicalize bitcasts between types like <1 x i64> and i64 to
insertelement/extractelement.

I'm not entirely sure this is precisely what we want to do: should we 
prefer bitcast(insertelement) or insertelement(bitcast)?  Similarly. should we 
prefer extractelement(bitcast) or bitcast(extractelement)?

llvm-svn: 76345
2009-07-18 23:06:53 +00:00
Eli Friedman
debc43cb11 Back out 76300; apparently the preference is to canonicalize the other
way (bitcast -> insert/extractelement).

llvm-svn: 76325
2009-07-18 19:04:16 +00:00
Chris Lattner
ffd009f039 add a fixme
llvm-svn: 76324
2009-07-18 18:49:04 +00:00
Eli Friedman
65a5fe312a Add combine: X sdiv (1 << Y) -> X udiv (1 << Y) when X doesn't have the
sign bit set.

llvm-svn: 76304
2009-07-18 09:53:21 +00:00
Eli Friedman
cb34ee3ac3 Remove no-op check.
llvm-svn: 76302
2009-07-18 09:21:25 +00:00
Eli Friedman
b7b1eca368 Remove dead check.
llvm-svn: 76301
2009-07-18 09:12:15 +00:00
Eli Friedman
f1878fcda1 Canonicalize insert/extractelement from single-element vectors into
bitcasts.

It would also be possible to canonicalize the other way; does anyone 
have a preference?

llvm-svn: 76300
2009-07-18 09:07:47 +00:00
Eli Friedman
7b1597133d Fix simplifylibcalls memset recognition to work on 64-bit platforms
where int is 32 bits.

llvm-svn: 76293
2009-07-18 08:34:51 +00:00