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2009-04-30Add a comment to refer to the section of the programmer's manual that ↵Stefanus Du Toit
explains what the pointer tagging in Use is for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70521 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Make DebugLoc independent of DwarfWriter.Argyrios Kyrtzidis
-Replace DebugLocTuple's Source ID with CompileUnit's GlobalVariable* -Remove DwarfWriter::getOrCreateSourceID -Make necessary changes for the above (fix callsites, etc.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70520 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Set FnEnd in JITEmitter::finishFunction to point strictly to the end of ↵Argyrios Kyrtzidis
function's machine code. Don't include memory allocated for global variables during relocations resolution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70517 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Add a mention of TypeBuilder to the programmer's manual, and clean up the classJeffrey Yasskin
comment a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70515 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Join cross class copies using getCommonSubClass()Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70513 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30getCommonSubClass() - Calculate the largest common sub-class of two registerJakob Stoklund Olesen
classes. This is implemented as a function rather than a method on TargetRegisterClass because it is symmetric in its arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70512 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Slightly change TableGen's definition of a register subclass.Jakob Stoklund Olesen
A subclass is allowed to have a larger spill size than the superclass, and the spill alignment must be a multiple of the superclass alignment. This causes the following new subclass relations: === Alpha === F4RC -> F8RC === PPC === F4RC -> F8RC === SPU === R8C -> R16C -> R32C/R32FP -> R64C/R64FP -> GPRC/VECREG === X86 === FR32 -> FR64 -> VR128 RFP32 -> RFP64 -> RFP80 These subclass relations are consistent with the behaviour of -join-cross-class-copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70511 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Add some comments, and tidy up some whitespace.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Extend ScalarEvolution's getBackedgeTakenCount to be able toDan Gohman
compute an upper-bound value for the trip count, in addition to the actual trip count. Use this to allow getZeroExtendExpr and getSignExtendExpr to fold casts in more cases. This may eventually morph into a more general value-range analysis capability; there are certainly plenty of places where more complete value-range information would allow more folding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70509 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Add a smarter heuristic to determine when to coalesce a virtual register ↵Evan Cheng
with a physical one. More specifically, it avoid tying a virtual register in the loop with a physical register defined / used outside the loop. When it determines it's not profitable, it will use the physical register as the allocation preference instead. This is *not* turned on by default. Testing indicates this is just as likely to pessimize code. The main issue seems to be allocation preference doesn't work effectively. That will change once I've taught register allocator "swapping". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70503 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Rename the CurMultiClass formal parameter of TGParser::AddSubMultiClassBob Wilson
so that it doesn't shadow the instance variable of the same name. Make the parameter names in method declarations match the definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70502 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Remove unnecessary "class" keywords.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70499 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Change forward declaration of MultiClass to use the "struct" keyword insteadBob Wilson
of "class", so that it matches the subsequent definition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70498 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Make dataflow iteration possible on Value*, not only on User*: ↵Torok Edwin
df_ext_iterator<Value*, SmallPtrSet<const Value*, 16> > git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70496 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Don't try to mix integers and pointers in an icmp instructionDan Gohman
in getSCEVAtScope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70495 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Oops! Missed a file in my last commit.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70491 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Allow a user of libLTO to specify the full pathname of the gcc executable toNick Lewycky
run when assembling. Wire this up to the gold plugin. You can now pass --plugin-opt gcc=/foo/bar/gcc and it will run that gcc instead of looking for it on the path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70490 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Move helper functions for optimizing division by constant into the APIntJay Foad
class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70488 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Set mayLoad on MOVZX32_NOREXrm8 too.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70466 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Fix ScalarEvolution::print to print a value for any Instruction withDan Gohman
a SCEVable type, not just integer types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70463 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Mark MOV8mr_NOREX and MOV8rm_NOREX as mayStore / mayLoad respectively.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70461 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Remove unused flags.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70459 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30fix a regression handling indirect results: these need to be consideredChris Lattner
memory operands otherwise the writebacks get lost when the inline asm doesn't otherwise have side effects. This fixes rdar://6839427, though clang really shouldn't generate these anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70455 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30Fix the JIT bindings for ocaml.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70454 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-30remove progname which is never set. PR4085Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70453 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Error out with bad optimization level specified.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70449 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Remove LTO optimization level.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70445 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Instead of passing in an unsigned value for the optimization level, use an enum,Bill Wendling
which better identifies what the optimization is doing. And is more flexible for future uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Add support for a character after a command line option. Like '-Os'.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Print correct instruction in dump.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70427 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Fix infinite recursion in the C++ code which handles movddup by making it ↵Nate Begeman
unnecessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70425 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Implement getSCEVAtScope for SCEV cast expressions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70422 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Generalize the cast-of-addrec folding to handle folding of SCEVs likeDan Gohman
(sext i8 {-128,+,1} to i64) to i64 {-128,+,1}, where the iteration crosses from negative to positive, but is still safe if the trip count is within range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70421 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Reword and tidy up some comments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70416 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Don't use 'false' for 'fast isel' here.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70411 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Fix this test to match the new output from scalar-evolution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70410 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29MachineInstr::isRegTiedTo{Use,Def}Operand can safely be made const.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70408 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Include the source type in SCEV cast expression debug output, andDan Gohman
print sext, zext, and trunc, instead of signextend, zeroextend, and truncate, respectively, for consistency with the main IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Update comment, replace theoretically impossible check with an assert.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70391 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Fix recent regression in gcc.dg/pr26719.c (6835035).Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70386 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Add directive to declare external globals.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29spillPhysRegAroundRegDefsUses() may have invalidated iterators stored in ↵Evan Cheng
fixed_ IntervalPtrs. Reset them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29testcase for PR4082Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70375 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Implement review feedback for vector shuffle work.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70372 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Add a public method called getAddressSpace() to the GlobalAddressSDNode.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70366 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Disable the load-shrinking optimization from looking atChris Lattner
anything larger than 64-bits, avoiding a crash. This should really be fixed to use APInts, though type legalization happens to help us out and we get good code on the attached testcase at least. This fixes rdar://6836460 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70360 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Update comments to reflect the current code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Add some more doxygen comments to SCEVAddRec.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70354 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29Determine allocation 'preference' with right register class. I haven't seen ↵Evan Cheng
this changing codegen so no test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-29The second part of the change from -fast to -O#. This changes the JIT to acceptBill Wendling
an optimization level instead of a simple boolean telling it to generate code "fast" or the other type of "fast". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70347 91177308-0d34-0410-b5e6-96231b3b80d8
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