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Author SHA1 Message Date
Daniel Dunbar
5f2b8ca5e4 Sketch streamer support for .align, .org functionality. 
llvm-svn: 74109
 2009-06-24 19:25:34 +00:00
Chris Lattner
fda56cf68a reimplement getPICLabelString as PrintPICBaseSymbol to eliminate std::string heap thrashing. 
llvm-svn: 74105
 2009-06-24 19:19:16 +00:00
Chris Lattner
ee30c14d3b sink management of DwarfWriter & MachineModuleInfo into the AsmPrinter base class. 
llvm-svn: 74101
 2009-06-24 19:09:55 +00:00
Chris Lattner
d59a5b9f8b sink dwarf finalization out of each target into AsmPrinter::doFinalization 
llvm-svn: 74097
 2009-06-24 18:54:37 +00:00
Chris Lattner
0690755320 eliminate the ExtWeakSymbols set from AsmPrinter. This eliminates 
a bunch of code from all the targets, and eliminates nondeterministic
ordering of directives being emitted in the output.

llvm-svn: 74096
 2009-06-24 18:52:01 +00:00
Chris Lattner
afabad6552 only emit one .align for all the hidden gv stubs instead of one for each. 
llvm-svn: 74094
 2009-06-24 18:24:42 +00:00
Chris Lattner
0cb01a746f inline print*Stub and rearrange function stub printing to more closely match 
gv and hiddengv stub printing.

llvm-svn: 74093
 2009-06-24 18:24:09 +00:00
Chris Lattner
ce2854f097 remove dead code now that personality functions don't print stubs directly. 
llvm-svn: 74092
 2009-06-24 18:19:01 +00:00
Chris Lattner
7bc5373357 remove now-dead argument. 
llvm-svn: 74091
 2009-06-24 18:17:56 +00:00
Chris Lattner
3dc8c13453 simplify personality function stub printing to use the mangler and 
decorateName like other stuff instead of special casing _.  Also, stick
it into GVStubs and let the normal stub printer print the stub instead 
of doing it manually.

llvm-svn: 74090
 2009-06-24 18:17:00 +00:00
Chris Lattner
03ce0b9410 remove dead argument 
llvm-svn: 74089
 2009-06-24 18:00:11 +00:00
Chris Lattner
cabe904f79 Rearrange some stuff in MachineOperand and add a new TargetFlags field. 
llvm-svn: 74087
 2009-06-24 17:54:48 +00:00
Owen Anderson
90f7655f57 Get rid of the global CFGOnly flag by threading a ShortNames parameters through the GraphViz rendering code. 
Update other uses in the codebase for this change.

llvm-svn: 74084
 2009-06-24 17:37:09 +00:00
Dale Johannesen
5bad20bda8 Rewrite 73900 per Duncan's suggestion. 
llvm-svn: 74082
 2009-06-24 17:11:31 +00:00
Daniel Dunbar
082dc70875 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.

llvm-svn: 74081
 2009-06-24 17:00:42 +00:00
Daniel Dunbar
4f0c4c766c MCStreamer: Add a few more "symbol attributes". 
llvm-svn: 74077
 2009-06-24 16:36:52 +00:00
Daniel Dunbar
691e6009bd MCStreamer: Test printing values. 
llvm-svn: 74076
 2009-06-24 16:05:35 +00:00
Dan Gohman
34b8ca6976 Minor whitespace cleanups. 
llvm-svn: 74074
 2009-06-24 14:49:00 +00:00
Dan Gohman
b4e1f166e1 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.

llvm-svn: 74073
 2009-06-24 14:46:22 +00:00
Dan Gohman
c2c1e1ff38 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.

llvm-svn: 74072
 2009-06-24 14:31:06 +00:00
Duncan Sands
070da26191 Add new files to cmake list. 
llvm-svn: 74071
 2009-06-24 10:03:44 +00:00
Duncan Sands
601ab92515 Start sketching 2.6 release notes. This provides a 
place to note major API changes (I've noted the
getABITypeSize -> getAllocSize change).

llvm-svn: 74070
 2009-06-24 08:38:48 +00:00
Evan Cheng
b4139189b0 Move thumb and thumb2 tests into separate directories. 
llvm-svn: 74068
 2009-06-24 06:36:07 +00:00
Chris Lattner
7eb17b387d factor some code better. 
llvm-svn: 74067
 2009-06-24 05:47:59 +00:00
Chris Lattner
9bce404faa wire up support for MCContext/MCStreamer in -experimental-asm-printer mode. 
llvm-svn: 74066
 2009-06-24 05:46:28 +00:00
Chris Lattner
07463b0a0a remove dead makefile flags. 
llvm-svn: 74065
 2009-06-24 05:29:56 +00:00
Chris Lattner
eba5c29922 remove dead makefile flags. 
llvm-svn: 74064
 2009-06-24 05:28:55 +00:00
Chris Lattner
f8a7746988 implement a bunch of synonyms for section switching. 
llvm-svn: 74062
 2009-06-24 05:13:15 +00:00
Dan Gohman
19c3326fc9 Delete some orphaned comments, fix some 80-column violations, 
and tidy up a few other formatting issues.

llvm-svn: 74060
 2009-06-24 04:48:43 +00:00
Dan Gohman
725c99702b Remove an obsolete comment and fix some 80-column violations. 
llvm-svn: 74059
 2009-06-24 04:47:54 +00:00
Chris Lattner
0945d20ceb add support for parsing and emitting .section directives. We can now parse 
things like:
.section __TEXT,__cstring,cstring_literals

llvm-svn: 74058
 2009-06-24 04:43:34 +00:00
Chris Lattner
61a6509f6a 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.

llvm-svn: 74057
 2009-06-24 04:31:49 +00:00
Lang Hames
38bf7cf4e2 Fixed a bug in LiveInterval scaling (failure to scale VNI defs correctly), removed old TODO comments. 
llvm-svn: 74054
 2009-06-24 02:17:32 +00:00
Evan Cheng
7292cadf06 Fix support for inline asm input / output operand tying when operand spans across multiple registers (e.g. two i64 operands in 32-bit mode). 
llvm-svn: 74053
 2009-06-24 02:05:51 +00:00
Dan Gohman
60844e20f0 Add a testcase demoing some of ScalarEvolution's new trip count logic. 
llvm-svn: 74049
 2009-06-24 01:22:30 +00:00
Dan Gohman
4f4bda36df 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.

llvm-svn: 74048
 2009-06-24 01:18:18 +00:00
Nick Lewycky
68273b013b Unbreak build on Linux by removing Darwinism. 
llvm-svn: 74046
 2009-06-24 01:08:42 +00:00
Dan Gohman
6f0aa30f94 Teach GetMinSignBits about SCEVAddExprs. 
llvm-svn: 74045
 2009-06-24 01:05:09 +00:00
Daniel Dunbar
0e5051b251 Start MCAsmStreamer implementation. 
llvm-svn: 74044
 2009-06-24 01:03:06 +00:00
Dan Gohman
661e8b54fa Revert this accidental commit. 
llvm-svn: 74042
 2009-06-24 00:55:55 +00:00
Dan Gohman
3bf5d76081 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.

llvm-svn: 74041
 2009-06-24 00:54:57 +00:00
Chris Lattner
f76b48bc93 create an MCStreamer and provide it to AsmParser. 
llvm-svn: 74039
 2009-06-24 00:52:40 +00:00
Chris Lattner
1b0e4717b3 stub out a trivial constructor method. 
llvm-svn: 74038
 2009-06-24 00:51:35 +00:00
Dan Gohman
0a2dbfc356 Use ScalarEvolution::getConstant instead of getUnknown to create 
SCEVConstants. This cleanup is a step toward letting getUnknown
be simpler.

llvm-svn: 74037
 2009-06-24 00:38:39 +00:00
Chris Lattner
d3b90f1344 make the lexer unique strings it lexes instead of passing them back as 
std::strings.

llvm-svn: 74036
 2009-06-24 00:33:19 +00:00
Dan Gohman
774c9da9c6 Include the maximum trip count expression in ScalarEvolution's print output. 
llvm-svn: 74035
 2009-06-24 00:33:16 +00:00
Dan Gohman
9ccdc738a9 Add an isAllOnesValue utility function, similar to isZero and isOne. 
llvm-svn: 74032
 2009-06-24 00:30:26 +00:00
Dan Gohman
1eb6954545 Don't emit a redundant BitCastInst if the value to be defined in the 
preheader is already an instruction.

llvm-svn: 74031
 2009-06-24 00:28:59 +00:00
Owen Anderson
446169df49 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.

llvm-svn: 74029
 2009-06-24 00:25:42 +00:00
Bob Wilson
7bd642b80c 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.

llvm-svn: 74026
 2009-06-23 23:59:40 +00:00