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Author SHA1 Message Date
Daniel Dunbar
71d259bc4b We decided to not worry about Atoms for now, it should be straightforward to 
reintroduce them later.

Also, don't require MCSection* when creating a symbol.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 17:00:42 +00:00
Daniel Dunbar
d814b21509 MCStreamer: Add a few more "symbol attributes". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 16:36:52 +00:00
Daniel Dunbar
f5e75a1fa9 MCStreamer: Test printing values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 16:05:35 +00:00
Dan Gohman
9311ef6a91 Minor whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 14:49:00 +00:00
Dan Gohman
e5aceed168 Simplify [su]max(MAX, n) to MAX. This comes up in loop tripcount 
computations in loops with multiple exits.

Adjust the testcase for PR4436 so that the relevant portion isn't
optimized away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 14:46:22 +00:00
Dan Gohman
32a81a3f6d When inserting code into a loop preheader, insert it before the 
terminator, instead of after the last phi. This fixes a bug
exposed by ScalarEvolution analyzing more kinds of loops.
This fixes PR4436.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 14:31:06 +00:00
Duncan Sands
cd58c5940c Add new files to cmake list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74071 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 10:03:44 +00:00
Duncan Sands
e2e4a896a2 Start sketching 2.6 release notes. This provides a 
place to note major API changes (I've noted the
getABITypeSize -> getAllocSize change).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 08:38:48 +00:00
Evan Cheng
9f76ed5127 Move thumb and thumb2 tests into separate directories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 06:36:07 +00:00
Chris Lattner
974469d7aa factor some code better. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:47:59 +00:00
Chris Lattner
40e3c7acad wire up support for MCContext/MCStreamer in -experimental-asm-printer mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74066 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:46:28 +00:00
Chris Lattner
929a49356e remove dead makefile flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74065 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:29:56 +00:00
Chris Lattner
1d97ca85ad remove dead makefile flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:28:55 +00:00
Chris Lattner
529fb545e7 implement a bunch of synonyms for section switching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74062 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 05:13:15 +00:00
Dan Gohman
64a845e836 Delete some orphaned comments, fix some 80-column violations, 
and tidy up a few other formatting issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74060 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:48:43 +00:00
Dan Gohman
650919e8b0 Remove an obsolete comment and fix some 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74059 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:47:54 +00:00
Chris Lattner
9a023f70b4 add support for parsing and emitting .section directives. We can now parse 
things like:
.section __TEXT,__cstring,cstring_literals




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:43:34 +00:00
Chris Lattner
c69485e34d add trivial support for passing label definitions through the MCStreamer. 
This is suboptimal in several aspects, see the commented out assertion.
I need to talk to Daniel about this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 04:31:49 +00:00
Lang Hames
98d5982e00 Fixed a bug in LiveInterval scaling (failure to scale VNI defs correctly), removed old TODO comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 02:17:32 +00:00
Evan Cheng
ef5d070bbe Fix support for inline asm input / output operand tying when operand spans across multiple registers (e.g. two i64 operands in 32-bit mode). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 02:05:51 +00:00
Dan Gohman
e56f4a49b7 Add a testcase demoing some of ScalarEvolution's new trip count logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:22:30 +00:00
Dan Gohman
40a5a1b39e Extend ScalarEvolution's multiple-exit support to compute exact 
trip counts in more cases.

Generalize ScalarEvolution's isLoopGuardedByCond code to recognize
And and Or conditions, splitting the code out into an
isNecessaryCond helper function so that it can evaluate Ands and Ors
recursively, and make SCEVExpander be much more aggressive about
hoisting instructions out of loops.

test/CodeGen/X86/pr3495.ll has an additional instruction now, but
it appears to be due to an arbitrary register allocation difference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:18:18 +00:00
Nick Lewycky
b825aaa028 Unbreak build on Linux by removing Darwinism. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:08:42 +00:00
Dan Gohman
62849c065e Teach GetMinSignBits about SCEVAddExprs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:05:09 +00:00
Daniel Dunbar
a11af531ec Start MCAsmStreamer implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:03:06 +00:00
Dan Gohman
fd6325cbb2 Revert this accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:55:55 +00:00
Dan Gohman
6bbcba18db Move the special cases for constants out of getUnknown and into 
createSCEV. Also, recognize UndefValue in createSCEV.

Change getIntegerSCEV's comment to avoid mentioning FP types,
and re-implement it in terms of getConstant instead of getUnknown.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74041 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:54:57 +00:00
Chris Lattner
cbc23f75cd create an MCStreamer and provide it to AsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:52:40 +00:00
Chris Lattner
f4a9061b6b stub out a trivial constructor method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:51:35 +00:00
Dan Gohman
b8be8b70a2 Use ScalarEvolution::getConstant instead of getUnknown to create 
SCEVConstants. This cleanup is a step toward letting getUnknown
be simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:38:39 +00:00
Chris Lattner
faf32c102d make the lexer unique strings it lexes instead of passing them back as 
std::strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:33:19 +00:00
Dan Gohman
aa551ae10e Include the maximum trip count expression in ScalarEvolution's print output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:33:16 +00:00
Dan Gohman
4d289bf4af Add an isAllOnesValue utility function, similar to isZero and isOne. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:30:26 +00:00
Dan Gohman
ea080be986 Don't emit a redundant BitCastInst if the value to be defined in the 
preheader is already an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74031 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:28:59 +00:00
Owen Anderson
6b96f6cfeb Guard the listeners list. Unfortunately, this requires a real static rather 
than a managed static because other managed statics can (and do) access this
list in their destructors.  Yes, I know it's horrible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:25:42 +00:00
Bob Wilson
a96751fc8f Provide InitializeAllTargets and InitializeNativeTarget functions in the 
C bindings.  Change all the backend "Initialize" functions to have C linkage.
Change the "llvm/Config/Targets.def" header to use C-style comments to avoid
compile warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:59:40 +00:00
Daniel Dunbar
ba1da8a7b1 Update for MCImm -> MCValue rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:39:15 +00:00
Chris Lattner
a33ccc7956 rename MCImm ->MCValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:31:52 +00:00
Sean Callanan
1c97ceb5e2 Test commit: fixed spacing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:25:37 +00:00
Daniel Dunbar
381e92c66a Add comments for the MCStreamer interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:02:31 +00:00
Devang Patel
9af2fa879c It is not a good idea to have data member's name match argument's name. In fact, it is a simple receipe to waste an hour or so. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:25:41 +00:00
Devang Patel
d933803b51 Use getReturnTypeName() to print return type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:23:13 +00:00
Devang Patel
bd262cc441 upgrade 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:11:37 +00:00
Devang Patel
0de4fa621e Add DISubprogram::getReturnTypeName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:07:48 +00:00
Daniel Dunbar
ecc63f8687 Start flushing out MCContext. 
- Lives inside new library lib/MC (LLVMMC.a)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:01:43 +00:00
Daniel Dunbar
87ea1912ef Set svn:ignore for {llvm/Config/AsmPrinters,Targets}.def 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:55:46 +00:00
Owen Anderson
92915e31e9 Use atomic operations when accessing statistics, and make the lazy initialization of statistics actually threadsafe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:19:38 +00:00
Owen Anderson
e0fa0b42b2 Add atomic multiply and divide operations, built on top of CompareAndSwap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:19:04 +00:00
Douglas Gregor
343beeb386 Reinstate target dependencies on Table_gen targets in CMake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:05:21 +00:00
Owen Anderson
46d9a64944 Make timers threadsafe again. This isn't quite as nice as I'd hoped (it uses locking rather than atomic arithmetic), 
but should work on all the platforms we care about.

I might revisit this if a totally awesome way to do it occurs to me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:52:29 +00:00