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* eliminate the "string" form of ConstantArray::get, usingChris Lattner2012-01-313-9/+3
| | | | | | | ConstantDataArray::getString instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149365 91177308-0d34-0410-b5e6-96231b3b80d8
* with recent changes, ConstantArray is never a "string". Remove the associatedChris Lattner2012-01-312-82/+10
| | | | | | | methods and constant fold the clients to false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149362 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a small oversight that broke the fhourstones app.Chris Lattner2012-01-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149357 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ConstantArray::get to form a ConstantDataArray when possible,Chris Lattner2012-01-311-38/+93
| | | | | | | | | | | | | | | | | kicking in the big win of ConstantDataArray. As part of this, change the implementation of GetConstantStringInfo in ValueTracking to work with ConstantDataArray (and not ConstantArray) making it dramatically, amazingly, more efficient in the process and renaming it to getConstantStringInfo. This keeps around a GetConstantStringInfo entrypoint that (grossly) forwards to getConstantStringInfo and constructs the std::string required, but existing clients should move over to getConstantStringInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149351 91177308-0d34-0410-b5e6-96231b3b80d8
* fix asmwriting of ConstantDataArray to use the right element count, Chris Lattner2012-01-311-22/+18
| | | | | | | simplify ConstantArray handling, since they can never be empty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149341 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a constified getLandingPad() method.Bill Wendling2012-01-311-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149303 91177308-0d34-0410-b5e6-96231b3b80d8
* Various improvements suggested by DuncanChris Lattner2012-01-301-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149255 91177308-0d34-0410-b5e6-96231b3b80d8
* First step of flipping on ConstantDataSequential: enable ConstantDataVectorChris Lattner2012-01-301-7/+89
| | | | | | | to be formed whenever ConstantVector::get is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149226 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix ConstantFoldShuffleVectorInstruction to properly handle the caseChris Lattner2012-01-301-3/+5
| | | | | | | when the result type has a different # elements than the input vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149221 91177308-0d34-0410-b5e6-96231b3b80d8
* continue making the world safe for ConstantDataVector. At this point,Chris Lattner2012-01-273-38/+46
| | | | | | | | | 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
* smallvectorize and ArrayRef'ize some stuff.Chris Lattner2012-01-262-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149077 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce a lot of code duplication by implementing Chris Lattner2012-01-261-138/+16
| | | | | | | | | | | ConstantExpr::getWithOperandReplaced and ConstantExpr::replaceUsesOfWithOnConstant in terms of ConstantExpr::getWithOperands. While we're at it, make sure that ConstantExpr::getWithOperands covers all instructions: it was missing insert/extractvalue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149076 91177308-0d34-0410-b5e6-96231b3b80d8
* unbreak test/Bitcode/shuffle.ll.Chris Lattner2012-01-261-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149033 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify by using ShuffleVectorInst::getMaskValue.Chris Lattner2012-01-261-10/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149029 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the Constant::getVectorElements method. There are better (andChris Lattner2012-01-263-48/+18
| | | | | | | | more robust) ways to do what it was doing now. Also, add static methods for decoding a ShuffleVector mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149028 91177308-0d34-0410-b5e6-96231b3b80d8
* Continue improving support for ConstantDataAggregate, and use theChris Lattner2012-01-262-367/+129
| | | | | | | 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
* Add a ConstantDataVector::getSplatValue() method, for parity withChris Lattner2012-01-261-39/+87
| | | | | | | | | | | ConstantVector. Fix some outright bugs in the implementation of ConstantArray and Constant struct, which would cause us to not make one big UndefValue when asking for an array/struct with all undef elements. Enhance Constant::isAllOnesValue to work with ConstantDataVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149021 91177308-0d34-0410-b5e6-96231b3b80d8
* some general cleanup, using new methods and tidying up old code.Chris Lattner2012-01-261-26/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149006 91177308-0d34-0410-b5e6-96231b3b80d8
* fix pasto in the new (and still unused) ShuffleVectorInst::getShuffleMask ↵Chris Lattner2012-01-261-1/+1
| | | | | | method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149005 91177308-0d34-0410-b5e6-96231b3b80d8
* add StructType helpers too.Chris Lattner2012-01-261-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149000 91177308-0d34-0410-b5e6-96231b3b80d8
* Ok, break down and add some cast<>'ing helper methods to the Type classChris Lattner2012-01-261-0/+39
| | | | | | | | | | | | | to reduce the number of cast<>'s we have. This allows someone to use things like Ty->getVectorNumElements() instead of cast<VectorType>(Ty)->getNumElements() when you know that a type is a vector. It would be a great general cleanup to move the codebase to use these, I will do so in the code I'm touching. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148999 91177308-0d34-0410-b5e6-96231b3b80d8
* add some helper methods to ShuffleVectorInst and enhance itsChris Lattner2012-01-251-28/+55
| | | | | | | | "isValidOperands" and "getMaskValue" methods to allow ConstantDataSequential. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148998 91177308-0d34-0410-b5e6-96231b3b80d8
* constify some methods and add a new Constant::getAggregateElementChris Lattner2012-01-251-8/+41
| | | | | | | | helper method for the common operation of extracting an element out of a constant aggregate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148931 91177308-0d34-0410-b5e6-96231b3b80d8
* use ConstantVector::getSplat in a few places.Chris Lattner2012-01-251-23/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148929 91177308-0d34-0410-b5e6-96231b3b80d8
* reapply r148901 with a crucial fix.Chris Lattner2012-01-251-31/+59
| | | | | | | | "Introduce a new ConstantVector::getSplat constructor function to simplify a really common case." git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148924 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix assert("msg"). Fix unused-variable warnings complaining about VT used onlyNick Lewycky2012-01-251-5/+8
| | | | | | | in asserts. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148910 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r148901 because it crashes llvm tests.Argyrios Kyrtzidis2012-01-251-55/+28
| | | | | | | | Original log: Introduce a new ConstantVector::getSplat constructor function to simplify a really common case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148906 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new ConstantVector::getSplat constructor function to Chris Lattner2012-01-251-28/+55
| | | | | | | simplify a really common case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148901 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the Type::getNumElements() method, which is only called in 4 places,Chris Lattner2012-01-253-15/+19
| | | | | | | | did something extremely surprising, and shadowed actually useful implementations that had completely different behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148898 91177308-0d34-0410-b5e6-96231b3b80d8
* C++, CBE, and TLOF support for ConstantDataSequentialChris Lattner2012-01-241-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148805 91177308-0d34-0410-b5e6-96231b3b80d8
* Rearrange argument order of ::get methods so that LLVMContext comes first,Chris Lattner2012-01-241-14/+28
| | | | | | | | | add a ConstantDataArray::getString method that corresponds to the (to be removed) StringRef version of ConstantArray::get, but is dramatically more efficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148804 91177308-0d34-0410-b5e6-96231b3b80d8
* add more support for ConstantDataSequentialChris Lattner2012-01-241-3/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148802 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AsmPrinter (aka MCLowering) support for ConstantDataSequential, Chris Lattner2012-01-241-12/+6
| | | | | | | | | and clean up some other misc stuff. Unlike ConstantArray, we will prefer to emit .fill directives for "String" arrays that all have the same value, since they are denser than emitting a .ascii git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148793 91177308-0d34-0410-b5e6-96231b3b80d8
* Add various "string" methods to ConstantDataSequential, which have theChris Lattner2012-01-241-0/+27
| | | | | | | | | same semantics as ConstantArray's but much more efficient because they don't have to return std::string's. The ConstantArray methods will eventually be removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148792 91177308-0d34-0410-b5e6-96231b3b80d8
* teach valuetracking about ConstantDataSequentialChris Lattner2012-01-241-0/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148790 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some accessor methods to CAZ and UndefValue that help simplify clients.Chris Lattner2012-01-241-6/+60
| | | | | | | Make some CDS methods public. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148785 91177308-0d34-0410-b5e6-96231b3b80d8
* implement the ConstantDataSequential accessor methods.Chris Lattner2012-01-241-3/+93
| | | | | | | No need for 'getOperand' :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148778 91177308-0d34-0410-b5e6-96231b3b80d8
* start the implementation of a new ConstantDataVector and ConstantDataArrayChris Lattner2012-01-233-0/+156
| | | | | | | | classes, per PR1324. Not all of their helper functions are implemented, nothing creates them, and the rest of the compiler doesn't handle them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148741 91177308-0d34-0410-b5e6-96231b3b80d8
* convert CAZ, UndefValue, and CPN to use DenseMap's again, this time withoutChris Lattner2012-01-234-61/+30
| | | | | | | | | using OwningPtr. OwningPtr would barf when the densemap had to reallocate, which doesn't appear to happen on the regression test suite, but obviously happens in real life :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148700 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r148691 and 148693Chris Lattner2012-01-234-67/+61
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148698 91177308-0d34-0410-b5e6-96231b3b80d8
* switch UndefValue and ConstantPointerNull over to DenseMap's for uniquing.Chris Lattner2012-01-234-40/+44
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148693 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace a use of ConstantUniqueMap for CAZ constants with a simple DenseMap.Chris Lattner2012-01-234-21/+23
| | | | | | | | Now that the type system rewrite has landed, there is no need for its complexity and std::map'ness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148691 91177308-0d34-0410-b5e6-96231b3b80d8
* Make Value::isDereferenceablePointer() handle unreachable code blocks. (ThisNick Lewycky2012-01-231-7/+17
| | | | | | | | | returns false in the event the computation feeding into the pointer is unreachable, which maybe ought to be true -- but this is at least consistent with undef->isDereferenceablePointer().) Fixes PR11825! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148671 91177308-0d34-0410-b5e6-96231b3b80d8
* More dead code removal (using -Wunreachable-code)David Blaikie2012-01-207-18/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend Attributes to 64 bitsKostya Serebryany2012-01-203-12/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Provide better messages in llvm_unreachable.David Blaikie2012-01-171-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148293 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unreachable code. (replace with llvm_unreachable to help GCC where ↵David Blaikie2012-01-173-5/+1
| | | | | | necessary) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148284 91177308-0d34-0410-b5e6-96231b3b80d8
* Removing unused default switch cases in switches over enums that already ↵David Blaikie2012-01-161-2/+1
| | | | | | | | account for all enumeration values explicitly. (This time I believe I've checked all the -Wreturn-type warnings from GCC & added the couple of llvm_unreachables necessary to silence them. If I've missed any, I'll happily fix them as soon as I know about them) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148262 91177308-0d34-0410-b5e6-96231b3b80d8
* Added MVT::v2f16Pete Cooper2012-01-121-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148067 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to create a GEP when the pointee type is unsized (such GEPsDuncan Sands2012-01-111-1/+2
| | | | | | | | are invalid). Fixes a crash on array1.C from the GCC testsuite when compiled with dragonegg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147946 91177308-0d34-0410-b5e6-96231b3b80d8
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