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8597 Commits

Author SHA1 Message Date
Chris Lattner
2cf07eccff eliminate the last uses of GetConstantStringInfo from this file, I didn't realize I was that close... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149354 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 04:54:27 +00:00
Chris Lattner
90f1d8a5da start moving SimplifyLibcalls over to getConstantStringInfo, which is 
dramatically more efficient than GetConstantStringInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149352 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 04:43:11 +00:00
Chris Lattner
c8d75c78ec enhance logic to support ConstantDataArray. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149340 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 02:55:06 +00:00
Bill Wendling
13b1c31412 s/getInnerUnwindDest/getInnerResumeDest/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149328 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:48:40 +00:00
Bill Wendling
08d01462d1 Remove ivar which is identical to another ivar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149323 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:25:54 +00:00
Bill Wendling
4dbd9b8ebf Remove unused ivars and s/getOuterUnwindDest/getOuterResumeDest/g. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149322 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:22:03 +00:00
Bill Wendling
6e69442416 Remove more dead functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149318 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:18:21 +00:00
Bill Wendling
fd3adbb31a s/getInnerUnwindDestNewEH/getInnerUnwindDest/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149317 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:15:59 +00:00
Bill Wendling
9e9a34c568 Remove some unused, old-EH methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149316 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:14:49 +00:00
Bill Wendling
675f638869 Get rid of references to dead intrinsics. 
The eh.selector and eh.resume intrinsics aren't used anymore. Get rid of some
calls to them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149314 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:05:20 +00:00
Bill Wendling
06881e8734 Formatting cleanups. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149312 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 01:01:16 +00:00
Bill Wendling
27b5658aff Remove no-longer-useful dyn_casts and pals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149307 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-31 00:56:53 +00:00
Kostya Serebryany
a1a8a323f4 [asan] fix the ObjC support (asan Issue #33) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149300 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 23:50:10 +00:00
Chad Rosier
0cf6b99b96 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149289 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 22:44:13 +00:00
Chad Rosier
431985a421 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149275 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 21:13:22 +00:00
Alexander Potapenko
8375bc9236 Fix compilation of ASan tests on OS X Lion (see http://code.google.com/p/address-sanitizer/issues/detail?id=32) 
The redzones emitted by AddressSanitizer for CFString instances confuse the linker and are of little use, so we shouldn't add them. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149243 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-30 10:40:22 +00:00
Nick Lewycky
5fef01db01 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149185 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 23:33:44 +00:00
Kostya Serebryany
f1639abf1a [asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA Takumi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149172 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-28 04:27:16 +00:00
Chris Lattner
a78fa8cc2d continue making the world safe for ConstantDataVector. At this point, 
we should (theoretically optimize and codegen ConstantDataVector as well
as ConstantVector.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149116 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-27 03:08:05 +00:00
Chris Lattner
d59ae907ee Continue improving support for ConstantDataAggregate, and use the 
new methods recently added to (sometimes greatly!) simplify code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149024 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 02:32:04 +00:00
Chris Lattner
230cdab220 some general cleanup, using new methods and tidying up old code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149006 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-26 00:42:34 +00:00
Nick Lewycky
6c00c6a181 Gracefully degrade precision in branch probability numbers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148946 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-25 09:43:14 +00:00
Chris Lattner
a1f00f4d48 use Constant::getAggregateElement to simplify a bunch of code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148934 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-25 06:48:06 +00:00
Chris Lattner
4ca829e895 use ConstantVector::getSplat in a few places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148929 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-25 06:02:56 +00:00
Kostya Serebryany
0307b9a885 [asan] enable asan only for the functions that have Attribute::AddressSafety 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148846 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 19:34:43 +00:00
Chris Lattner
bec2d03c4d basic instcombine support for CDS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148806 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 14:31:22 +00:00
Alexander Potapenko
2587804203 Implemented AddressSanitizer::getPassName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148697 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 11:22:43 +00:00
David Blaikie
4d6ccb5f68 More dead code removal (using -Wunreachable-code) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 21:51:11 +00:00
Andrew Trick
0041d4d447 Handle a corner case with IV chain collection with bailout instead of assert. 
Fixes PR11783: bad cast to AddRecExpr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148572 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 21:23:40 +00:00
Kostya Serebryany
164b86b439 Extend Attributes to 64 bits 
Problem: LLVM needs more function attributes than currently available (32 bits).
One such proposed attribute is "address_safety", which shows that a function is being checked for address safety (by AddressSanitizer, SAFECode, etc).

Solution:
- extend the Attributes from 32 bits to 64-bits
- wrap the object into a class so that unsigned is never erroneously used instead
- change "unsigned" to "Attributes" throughout the code, including one place in clang.
- the class has no "operator uint64 ()", but it has "uint64_t Raw() " to support packing/unpacking.
- the class has "safe operator bool()" to support the common idiom:  if (Attributes attr = getAttrs()) useAttrs(attr);
- The CTOR from uint64_t is marked explicit, so I had to add a few explicit CTOR calls
- Add the new attribute "address_safety". Doing it in the same commit to check that attributes beyond first 32 bits actually work.
- Some of the functions from the Attribute namespace are worth moving inside the class, but I'd prefer to have it as a separate commit.

Tested:
"make check" on Linux (32-bit and 64-bit) and Mac (10.6)
built/run spec CPU 2006 on Linux with clang -O2.


This change will break clang build in lib/CodeGen/CGCall.cpp.
The following patch will fix it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148553 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 17:56:17 +00:00
Andrew Trick
b5c26ef9da SCEVExpander fixes. Affects LSR and indvars. 
LSR has gradually been improved to more aggressively reuse existing code, particularly existing phi cycles. This exposed problems with the SCEVExpander's sloppy treatment of its insertion point. I applied some rigor to the insertion point problem that will hopefully avoid an endless bug cycle in this area. Changes:

- Always used properlyDominates to check safe code hoisting.

- The insertion point provided to SCEV is now considered a lower bound. This is usually a block terminator or the use itself. Under no cirumstance may SCEVExpander insert below this point.

- LSR is reponsible for finding a "canonical" insertion point across expansion of different expressions.

- Robust logic to determine whether IV increments are in "expanded" form and/or can be safely hoisted above some insertion point.

Fixes PR11783: SCEVExpander assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148535 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-20 07:41:13 +00:00
Dan Gohman
0cdece4389 Set the "tail" flag on pattern-matched objc_storeStrong calls. 
rdar://10531041.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148490 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-19 19:14:36 +00:00
Nick Lewycky
f460bf8cd8 Actually, this code handles wrapped sets just fine. Noticed by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148487 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-19 18:19:42 +00:00
Dan Gohman
2f77bbd1bf Add a depth limit to avoid runaway recursion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148419 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-18 21:24:45 +00:00
Dan Gohman
1dae3e965c Use llvm.global_ctors to locate global constructors instead 
of recognizing them by name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148416 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-18 21:19:38 +00:00
Jakub Staszak
785a7a97da Remove trailing spaces and unneeded includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148415 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-18 21:16:33 +00:00
Dan Gohman
2f6263c96a Add a new ObjC ARC optimization pass to eliminate unneeded 
autorelease push+pop pairs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148330 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-17 20:52:24 +00:00
Dan Gohman
7d4c87ef6e Add a new PassManagerBuilder customization point, 
EP_ModuleOptimizerEarly, to allow passes to be added before the
main ModulePass optimizers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148329 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-17 20:51:32 +00:00
Andrew Trick
0f080913d1 LSR fix: broaden the check for loop preheaders. 
It's becoming clear that LoopSimplify needs to unconditionally create loop preheaders. But that is a bigger fix. For now, continuing to hack LSR.
Fixes rdar://10701050 "Cannot split an edge from an IndirectBrInst" assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148288 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-17 06:45:52 +00:00
David Blaikie
fdebc38523 Remove unreachable code. (replace with llvm_unreachable to help GCC where necessary) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148284 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-17 04:43:56 +00:00
Stepan Dyatkovskiy
27bf56056b Fixed comment in loop-unswitch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148252 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-16 20:48:04 +00:00
Stepan Dyatkovskiy
0499c1fd8f Cosmetic patch for r148215. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148216 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-15 09:45:11 +00:00
Stepan Dyatkovskiy
209287d225 Fixup for r148132. Type replacement for LoopsProperties: from DenseMap to std::map, since we need to keep a valid pointer to properties of current loop. 
Message for r148132:
LoopUnswitch: All helper data that is collected during loop-unswitch iterations was moved to separated class (LUAnalysisCache).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148215 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-15 09:44:07 +00:00
Dan Gohman
92180988a4 Fix an unused variable warning that Chad noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148164 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-14 00:47:44 +00:00
Eli Friedman
09a536a88b Speculatively revert r148132+r148133 to try and fix a buildbot failure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148149 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-13 22:34:39 +00:00
Stepan Dyatkovskiy
5dab2bf293 Cosmetic patch for r148132. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148133 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-13 19:27:22 +00:00
Stepan Dyatkovskiy
a5a1e46d00 LoopUnswitch: All helper data that is collected during loop-unswitch iterations was moved to separated class (LUAnalysisCache). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148132 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-13 19:13:54 +00:00
Dan Gohman
79522dc569 Implement proper ObjC ARC objc_retainBlock "escape" analysis, so that 
the optimizer doesn't eliminate objc_retainBlock calls which are needed
for their side effect of copying blocks onto the heap.
This implements rdar://10361249.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148076 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-13 00:39:07 +00:00
Eli Friedman
e15f421a9a Re-fix the issue Bill fixed in r147899 in a slightly different way, which doesn't abuse the semantics of linker_private. We don't really want to merge any string constant with a weak_odr global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147971 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-11 22:06:46 +00:00
Kostya Serebryany
bcb55ce386 [asan] extend the workaround for http://llvm.org/bugs/show_bug.cgi?id=11395: don't instrument the function at all on x86_32 if it has a large asm blob 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147953 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-11 18:15:23 +00:00