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* Xform bitconvert(build_pair(load a, load b)) to a single load if the load ↵Evan Cheng2008-05-12
| | | | | | locations are at the right offset from each other. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51008 91177308-0d34-0410-b5e6-96231b3b80d8
* Constify the machine instruction passed into theBill Wendling2008-05-12
| | | | | | | "is{Trivially,Really}ReMaterializable" methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51001 91177308-0d34-0410-b5e6-96231b3b80d8
* Forgot this.Evan Cheng2008-05-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50993 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for vicmp/vfcmp codegen, more legalize support coming.Nate Begeman2008-05-12
| | | | | | | This is necessary to unbreak the build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50988 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two new instructions to the llvm IR, vicmp and vfcmp. see updated LangRefNate Begeman2008-05-12
| | | | | | | for details. CodeGen support coming in a follow up patch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50985 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new SparsePropagation analysis utility, which allows you to doChris Lattner2008-05-12
| | | | | | | | | SCCP like sparse lattice analysis with relative ease. Just pick your lattice function and implement the transfer function and you're good. Just make sure you don't break monotonicity ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50961 91177308-0d34-0410-b5e6-96231b3b80d8
* Make constructors target-specific. This fixes problems where the path wouldNick Lewycky2008-05-11
| | | | | | | include backslashes on Windows. This should fix llvm-ld problems on win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50960 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove warnings when using -Wshorten-64-to-32.Bill Wendling2008-05-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50952 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent -W64-to-32-shortened warnings.Bill Wendling2008-05-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50947 91177308-0d34-0410-b5e6-96231b3b80d8
* Prevent warnings from the -Wshorten-64-to-32 flag.Bill Wendling2008-05-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50946 91177308-0d34-0410-b5e6-96231b3b80d8
* remove commented-out code, it is subsumed by ↵Gabor Greif2008-05-10
| | | | | | DECLARE_TRANSPARENT_OPERAND_ACCESSORS git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50944 91177308-0d34-0410-b5e6-96231b3b80d8
* merge of use-diet branch to trunkGabor Greif2008-05-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50943 91177308-0d34-0410-b5e6-96231b3b80d8
* Make OpActionsCapacity multiple of 4.Evan Cheng2008-05-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50917 91177308-0d34-0410-b5e6-96231b3b80d8
* add support for pattern matching 'neg'Chris Lattner2008-05-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50883 91177308-0d34-0410-b5e6-96231b3b80d8
* add a new Instruction::mayReadFromMemory predicate, makeChris Lattner2008-05-08
| | | | | | | Instruction::mayWriteToMemory stronger for invokes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50858 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn StripPointerCast() into a methodAnton Korobeynikov2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50836 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the interface of CStrInCStrNoCase be the same as strcasestr.Ted Kremenek2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50828 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new LibCallAliasAnalysis pass, which is parameterizedChris Lattner2008-05-07
| | | | | | | | | | | by an instance of LibCallInfo to provide mod/ref info of standard library functions. This is powerful enough to say that 'sqrt' is readonly except that it modifies errno, or that "printf doesn't store to memory unless the %n constraint is present" etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50827 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some serious logical errors in CStrInCStrNoCase pointed out by Bill.Ted Kremenek2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50826 91177308-0d34-0410-b5e6-96231b3b80d8
* Output correct exception handling and frame infoDuncan Sands2008-05-07
| | | | | | | | | | | | | | | | | | | on x86-64 linux. This causes no regressions on 32 bit linux and 32 bit ppc. More tests pass on 64 bit ppc with no regressions. I didn't turn on eh on 64 bit linux because the intrinsics needed to compile the eh runtime aren't done yet. But if you turn it on and link with the mainline runtime then eh seems to work fine on x86-64 linux with this patch. Thanks to Dale for testing. The main point of the patch is that if you output that some object is encoded using 4 bytes you had better not output 8 bytes for it: the patch makes everything consistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50825 91177308-0d34-0410-b5e6-96231b3b80d8
* Guard for empty strings in CStrInCStrNoCase.Ted Kremenek2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50823 91177308-0d34-0410-b5e6-96231b3b80d8
* Added CStrInCStrNoCase, a portable implementation of strcasestr.Ted Kremenek2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50821 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new interface for describing the behavior of library calls. ThisChris Lattner2008-05-07
| | | | | | | | | | Currently is sufficient to describe mod/ref behavior but will hopefully eventually be extended for other purposes. This isn't used by anything yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50820 91177308-0d34-0410-b5e6-96231b3b80d8
* Typo.Nick Lewycky2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50805 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the use of the "noinline" attribute conditional on using GCC.Bill Wendling2008-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50789 91177308-0d34-0410-b5e6-96231b3b80d8
* Workaround for a compiler bug (see <rdar://problem/5852746>). Once that bug isBill Wendling2008-05-06
| | | | | | | fixed, revert this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50782 91177308-0d34-0410-b5e6-96231b3b80d8
* Make StripPointerCast a common function (should we mak it method of Value ↵Anton Korobeynikov2008-05-06
| | | | | | instead?) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50775 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve documentation.Gordon Henriksen2008-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50768 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove uses of llvm/System/IncludeFile.h that are no longer needed.Dan Gohman2008-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50695 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a broken doxygen comment, and reword it for clarity.Dan Gohman2008-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50687 91177308-0d34-0410-b5e6-96231b3b80d8
* Using "unsigned" was masking the "size_t" version of this method.Bill Wendling2008-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50668 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused function.Devang Patel2008-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50664 91177308-0d34-0410-b5e6-96231b3b80d8
* Added addition atomic instrinsics and, or, xor, min, and max.Mon P Wang2008-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50663 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix more -Wshorten-64-to-32 warnings.Evan Cheng2008-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50659 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80 column violations.Evan Cheng2008-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50655 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AsmPrinter support for emitting a directive to declare thatDan Gohman2008-05-05
| | | | | | | | | | the code being generated does not require an executable stack. Also, add target-specific code to make use of this on Linux on x86. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50634 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR1098 by correcting the postdominators analysis.Owen Anderson2008-05-04
| | | | | | | Patch by Florian Brandner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50628 91177308-0d34-0410-b5e6-96231b3b80d8
* remove obsolete method.Chris Lattner2008-05-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50622 91177308-0d34-0410-b5e6-96231b3b80d8
* Use (void) instead of () in C code.Gordon Henriksen2008-05-04
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50620 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement destructor for PostDominatorTree to eliminate a memory leak.Torok Edwin2008-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50607 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement operator-> for ImmutableMap iterators.Ted Kremenek2008-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50603 91177308-0d34-0410-b5e6-96231b3b80d8
* Add separate intrinsics for MMX / SSE shifts with i32 integer operands. This ↵Evan Cheng2008-05-03
| | | | | | allow us to simplify the horribly complicated matching code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50601 91177308-0d34-0410-b5e6-96231b3b80d8
* Suppress -Wshorten-64-to-32 warnings for 64-bit hosts.Evan Cheng2008-05-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50590 91177308-0d34-0410-b5e6-96231b3b80d8
* Initialize a local variable.Ted Kremenek2008-05-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50527 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete the IPO simplify-libcalls and completely reimplement it asChris Lattner2008-05-01
| | | | | | | | | a FunctionPass. This makes it simpler, fixes dozens of bugs, adds a couple of minor features, and shrinks is considerably: from 2214 to 1437 lines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50520 91177308-0d34-0410-b5e6-96231b3b80d8
* Add CreateCall3/CreateCall4 at Eric's request.Chris Lattner2008-05-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50515 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a spiffy little "CreateCall2" method, which can be used to makeChris Lattner2008-05-01
| | | | | | | a function call that takes two Value*'s as arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50514 91177308-0d34-0410-b5e6-96231b3b80d8
* Tail call optimization improvements:Arnold Schwaighofer2008-04-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Move platform independent code (lowering of possibly overwritten arguments, check for tail call optimization eligibility) from target X86ISelectionLowering.cpp to TargetLowering.h and SelectionDAGISel.cpp. Initial PowerPC tail call implementation: Support ppc32 implemented and tested (passes my tests and test-suite llvm-test). Support ppc64 implemented and half tested (passes my tests). On ppc tail call optimization is performed if caller and callee are fastcc call is a tail call (in tail call position, call followed by ret) no variable argument lists or byval arguments option -tailcallopt is enabled Supported: * non pic tail calls on linux/darwin * module-local tail calls on linux(PIC/GOT)/darwin(PIC) * inter-module tail calls on darwin(PIC) If constraints are not met a normal call will be emitted. A test checking the argument lowering behaviour on x86-64 was added. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50477 91177308-0d34-0410-b5e6-96231b3b80d8
* add missing #includeChris Lattner2008-04-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50468 91177308-0d34-0410-b5e6-96231b3b80d8
* add a method for comparing to see if a value has a specified name.Chris Lattner2008-04-30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50465 91177308-0d34-0410-b5e6-96231b3b80d8
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