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91 Commits

Author SHA1 Message Date
Eric Christopher
7672d04f77 Reapply 94059 while fixing the calling convention setup 
for strcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-23 05:29:06 +00:00
Bob Wilson
8a23e0b07b Revert 94059. It is breaking the MultiSource/Benchmarks/Prolangs-C/bison 
test on ARM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-22 19:16:40 +00:00
Eric Christopher
ed1a4c7eab Add strcpy_chk -> strcpy support for "don't know" object size 
answers.  This will update as object size checking gets better information.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-21 01:04:38 +00:00
Eric Christopher
130063207d Move the object size intrinsic optimization to inst-combine and make 
it work for any integer size return type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 20:04:44 +00:00
Mikhail Glushenkov
0ecbdeb14f Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-06 09:20:39 +00:00
Benjamin Kramer
8c65f6e71c Move remaining stuff to the isInteger predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 21:05:54 +00:00
David Greene
6a6b90ebd9 Change errs() to dbgs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-05 01:27:21 +00:00
Mikhail Glushenkov
ed5cb593ef 80-col violations, trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92470 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-04 07:55:25 +00:00
Chris Lattner
8047d9a6be move an optimization for memcmp out of simplifylibcalls and into 
SDISel.  This optimization was causing simplifylibcalls to 
introduce type-unsafe nastiness.  This is the first step, I'll be 
expanding the memcmp optimizations shortly, covering things that
we really really wouldn't want simplifylibcalls to do.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92098 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-24 00:37:38 +00:00
Chris Lattner
98d67d7d7e reorder to follow a normal fall-through style, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 23:24:51 +00:00
Eric Christopher
d060b2576a Update objectsize intrinsic and associated dependencies. Fix 
lowering code and update testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-23 02:51:48 +00:00
Eric Christopher
f734be2ba4 Whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91875 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-22 01:23:51 +00:00
Chris Lattner
24604110ef reapply my strstr optimization. I have reproduced the x86-64 bootstrap 
miscompile (i386.o miscompares) but it happens both with and without
this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91532 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-16 09:32:05 +00:00
Chris Lattner
0001517d9d revert my strstr optimization, I'm told it breaks x86-64 bootstrap. 
Will reapply with a fix when I get a chance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91486 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-16 00:46:02 +00:00
Chris Lattner
ad6b1fdaf9 optimize strstr, PR5783 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 19:14:40 +00:00
Chris Lattner
099b41f342 add some other xforms that should be done as part of PR5783 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-15 09:05:13 +00:00
Chris Lattner
bf796323b2 tidy up, remove dependence on order of evaluation of function args from EmitMemCpy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-02 06:05:42 +00:00
Eric Christopher
80bf1d5278 Add more optimizations for object size checking, enable handling of 
object size intrinsic and verify return type is correct. Collect various
code in one place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89523 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-21 01:01:30 +00:00
Daniel Dunbar
f7751c134a Revert "Add some rough optimizations for checking routines.", it buildeth not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 20:17:30 +00:00
Eric Christopher
3bcaa8ac95 Add some rough optimizations for checking routines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-20 19:57:37 +00:00
Duncan Sands
f63c41033a CreateIntCast takes an "isSigned" parameter. Pass "true" for it, rather than 
a name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-16 12:32:28 +00:00
Chris Lattner
74965f2279 fix PR5104: when printing a single character, return the result of 
putchar in case there is an error.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-09 04:57:04 +00:00
Benjamin Kramer
992a637297 Teach SimplifyLibCalls to fold memcmp calls with constant arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-05 17:44:22 +00:00
Eric Christopher
7b5e61707a Add objectsize intrinsic and hook it up through codegen. Doesn't 
do anything than return "I don't know" at the moment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85189 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-27 00:52:25 +00:00
Eric Christopher
37c8b86d43 80-column and whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 21:14:25 +00:00
Duncan Sands
ac53a0b272 Introduce and use convenience methods for getting pointer types 
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 15:40:36 +00:00
Chris Lattner
cf0fe8d813 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-05 05:54:46 +00:00
Dan Gohman
76926b6789 Fix SimplifyLibCalls to transfer attributes from callees rather than 
calls, since direct calls don't always reflect the attributes of their
callees.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-26 18:10:13 +00:00
Dan Gohman
a23643d5b7 Rename ConstantFP's getInf to getInfinity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82823 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-25 23:40:21 +00:00
Dan Gohman
79cb840136 Transform pow(x, 0.5) to (x == -inf ? inf : fabs(sqrt(x))), which is 
typically faster then doing a general pow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-25 23:10:17 +00:00
Victor Hernandez
83d63919bd Enhance transform passes so that they apply the same tranforms to malloc calls as to MallocInst. 
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
e9f9a7e10e In C++, code is not allowed to call main. In C it is, this 
simplifylibcalls optimization is thus valid for C++ but not C.
It's not important enough to worry about for C++ apps, so just
remove it.

rdar://7191924



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80887 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-03 05:19:59 +00:00
Chris Lattner
3e8b6631e6 eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-02 06:11:42 +00:00
Dan Gohman
107f41fad5 Fix SimplifyLibcalls and ValueTracking to check mayBeOverridden 
before performing optimizations based on constant string values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79384 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-19 00:11:12 +00:00
Dan Gohman
f14d919742 Make TargetData optional in SimplifyLibCalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-18 00:48:13 +00:00
Owen Anderson
1d0be15f89 Push LLVMContexts through the IntegerType APIs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-13 21:58:54 +00:00
Owen Anderson
a7235ea724 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-31 20:28:14 +00:00
Owen Anderson
debcb01b0f Move types back to the 2.5 API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:17:13 +00:00
Daniel Dunbar
473955f439 Fix PR4645 which was fallout from the fix for PR4641. 
- Call RAUW to delete all instructions (this is a patch from Nick Lewycky).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:00:43 +00:00
Owen Anderson
baf3c40440 Move ConstantExpr to 2.5 API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 18:55:55 +00:00
Nick Lewycky
0efa921736 Bulk erasing instructions without RAUWing them is unsafe. Instead, break them 
into a new BB that has no predecessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77433 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 05:17:50 +00:00
Owen Anderson
1fd7096407 Change ConstantArray to 2.5 API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77347 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-28 18:32:17 +00:00
Owen Anderson
6f83c9c6ef Move ConstantFP construction back to the 2.5-ish API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77247 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-27 20:59:43 +00:00
Daniel Dunbar
f0443c1eb4 Remove Value::getNameLen 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-26 08:34:35 +00:00
Daniel Dunbar
93b67e40de Eliminate some uses of DOUT, cerr, and getNameStart(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-26 07:49:05 +00:00
Daniel Dunbar
03d7651c36 Remove Value::{isName, getNameRef}. 
Also, change MDString to use a StringRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77098 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-25 23:55:21 +00:00
Owen Anderson
eed707b1e6 Revert the ConstantInt constructors back to their 2.5 forms where possible, thanks to contexts-on-types. More to come. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-24 23:12:02 +00:00
Daniel Dunbar
6316fbcb04 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76888 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-23 18:17:34 +00:00
Owen Anderson
e922c02019 Get rid of the Pass+Context magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:24:57 +00:00
Eli Friedman
62bb413435 Fix simplifylibcalls memset recognition to work on 64-bit platforms 
where int is 32 bits.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76293 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-18 08:34:51 +00:00