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* Code did not follow associated comment. not a good idea.Devang Patel2009-01-231-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62828 91177308-0d34-0410-b5e6-96231b3b80d8
* Set appropriate tag for the composite type.Devang Patel2009-01-231-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62827 91177308-0d34-0410-b5e6-96231b3b80d8
* a minor tweak to my previous patch, handle the invalidation caseChris Lattner2009-01-231-3/+4
| | | | | | | when there are multiple iterations of the loop. This fixes PR3375. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62822 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an initial pass at dead spill/restore removal for pre alloc splitting.Owen Anderson2009-01-231-4/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62821 91177308-0d34-0410-b5e6-96231b3b80d8
* do not sign extend characters input to isprint. This improvesChris Lattner2009-01-221-1/+1
| | | | | | | compatibility with VC++. Patch by Max Burke! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62813 91177308-0d34-0410-b5e6-96231b3b80d8
* Handful of fixes to the VC project files.Steve Naroff2009-01-222-16/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62807 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a minor bug in DAGCombiner's folding of SELECT. Folding "select C, 0, 1"Bob Wilson2009-01-221-3/+5
| | | | | | | | | | | | | | | | | | | | | | | to "C ^ 1" is only valid when C is known to be either 0 or 1. Most of the similar foldings in this function only handle "i1" types, but this one appears intentionally written to handle larger integer types. If C has an integer type larger than "i1", this needs to check if the high bits of a boolean are known to be zero. I also changed the comment to describe this folding as "C ^ 1" instead of "~C", since that is what the code does and since the latter would only be valid for "i1" types. The good news is that most LLVM targets use TargetLowering::ZeroOrOneBooleanContent so this change will not disable the optimization; the bad news is that I've been unable to come up with a testcase to demonstrate the problem. I have also removed a "FIXME" comment for folding "select C, X, 0" to "C & X", since the code looks correct to me. It could be made more aggressive by not limiting the type to "i1", but that would then require checking for TargetLowering::ZeroOrNegativeOneBooleanContent. Similar changes could be done for the other SELECT foldings, but it was decided to be not worth the trouble and complexity (see e.g., r44663). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62790 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't create ISD::FNEG nodes after legalize if they aren't legal.Dan Gohman2009-01-223-8/+1175
| | | | | | | | | | | | | | | Simplify x+0 to x in unsafe-fp-math mode. This avoids a bunch of redundant work in many cases, because in unsafe-fp-math mode, ISD::FADD with a constant is considered free to negate, so the DAGCombiner often negates x+0 to -0-x thinking it's free, when in reality the end result is -x, which is more expensive than x. Also, combine x*0 to 0. This fixes PR3374. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62789 91177308-0d34-0410-b5e6-96231b3b80d8
* introduce a useful abstraction to find out if a Use is in the call position ↵Gabor Greif2009-01-225-9/+12
| | | | | | of an instruction git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62788 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerated configure after backing out 62553 and r62616.Tanya Lattner2009-01-222-440/+0
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* Revert r62553 and r62616 due to issues with portability.Tanya Lattner2009-01-222-215/+496
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62777 91177308-0d34-0410-b5e6-96231b3b80d8
* rename methods in System/Host to be more consistent.Chris Lattner2009-01-224-15/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62776 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use buggy llvm-gcc to generate testcases.Devang Patel2009-01-222-12/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62770 91177308-0d34-0410-b5e6-96231b3b80d8
* Add SelectionDAG::getNOT method to construct bitwise NOT operations,Bob Wilson2009-01-226-34/+44
| | | | | | | | | corresponding to the "not" and "vnot" PatFrags. Use the new method in some places where it seems appropriate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62768 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove no-longer relevant comment. Pointed outDuncan Sands2009-01-221-1/+0
| | | | | | | by Gabor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62765 91177308-0d34-0410-b5e6-96231b3b80d8
* This passes on linux.Duncan Sands2009-01-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62764 91177308-0d34-0410-b5e6-96231b3b80d8
* Few targets like the tiny little PIC16 have only 16-bit pointers.Sanjiv Gupta2009-01-221-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62763 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and ↵Evan Cheng2009-01-227-148/+13
| | | | | | SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62762 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a typoChris Lattner2009-01-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62761 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2009-01-221-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62760 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a testcase.Chris Lattner2009-01-221-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62758 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3358, a really nasty bug where recursive phi translated Chris Lattner2009-01-222-3/+91
| | | | | | | | | analyses could be run without the caches properly sorted. This can fix all sorts of weirdness. Many thanks to Bill for coming up with the 'issorted' verification idea. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62757 91177308-0d34-0410-b5e6-96231b3b80d8
* Bump to 2.6svn.Tanya Lattner2009-01-223-1046/+3400
| | | | | | | Regenerate configure (last regen was with the wrong version). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62751 91177308-0d34-0410-b5e6-96231b3b80d8
* Make tblgen more portable, allowing it to build with ICC.Chris Lattner2009-01-221-2/+2
| | | | | | | Patch by Robert Zeh! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62750 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't create .dir files in installation directories. Switch to usingMike Stump2009-01-221-9/+7
| | | | | | | order-only dependancies for installation directories. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62746 91177308-0d34-0410-b5e6-96231b3b80d8
* The operator<() and operator>() were reversing their tests. Have the test ↵Bill Wendling2009-01-221-4/+4
| | | | | | the correct way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62745 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of warning about implicit 64-to-32 bit conversions.Bill Wendling2009-01-221-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62741 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a few more notes about LLVM IR features that codegen doesn'tDan Gohman2009-01-221-0/+12
| | | | | | | yet support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62739 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Tests PERL availability with PERL_EXECUTABLE variable.Oscar Fuentes2009-01-221-5/+12
| | | | | | | | On MSVC 64bits, does not put underscore before the symbol name on the /INCLUDE linker parameter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62738 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit this-> (to make the VS compiler happy).Steve Naroff2009-01-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62731 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize inline asm for bswap on x86-64 GLIBC. This allows itDan Gohman2009-01-211-1/+11
| | | | | | | to be supported in the JIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62730 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix ilist two-phase name lookupDouglas Gregor2009-01-211-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62724 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a missing word.Dan Gohman2009-01-211-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62720 91177308-0d34-0410-b5e6-96231b3b80d8
* Versions of VIM included with Intrepid and Leopard at least appearDan Gohman2009-01-211-7/+8
| | | | | | | | to handle symlinks just fine, so reword the instructions in the README accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62719 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable syntax highlighting of LLVM and tablegen files by default,Dan Gohman2009-01-211-0/+12
| | | | | | | so that users don't have to copy text from the README to get this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62718 91177308-0d34-0410-b5e6-96231b3b80d8
* Only set cindent for C and C++ source files.Dan Gohman2009-01-211-4/+8
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* Now with RUN line.Bill Wendling2009-01-211-2/+6
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* Run this through -simplifycfg and -mem2reg to test only what we need to test.Bill Wendling2009-01-211-90/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62714 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment to SelectionDAG::ReplaceAllUsesWith to describe a subtleDan Gohman2009-01-211-0/+5
| | | | | | | iteraction with SelectionDAG CSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62713 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use host floating point types when emittingDale Johannesen2009-01-216-15/+22
| | | | | | | | | | | ASCII IR; loading and storing these can change the bits of NaNs on some hosts. Remove or add warnings at a few other places using host floating point; this is a bad thing to do in general. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62712 91177308-0d34-0410-b5e6-96231b3b80d8
* Also favors NOT64r.Evan Cheng2009-01-211-1/+1
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* fix warning in release-asserts mode and spelling of assert.Chris Lattner2009-01-211-3/+2
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* add getPointerToGlobal to the C bindings, patch by Lennart Augustsson!Chris Lattner2009-01-212-0/+6
| | | | | | | PR3364 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62697 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove uses of uint32_t in favor of 'unsigned' for better Chris Lattner2009-01-212-194/+194
| | | | | | | compatibility with cygwin. Patch by Jay Foad! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62695 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify ReduceLoadWidth's logic: it doesn't need several differentDan Gohman2009-01-212-19/+56
| | | | | | | | | special cases after producing the new reduced-width load, because the new load already has the needed adjustments built into it. This fixes several bugs due to the special cases, including PR3317. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62692 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a recent regression. ClrOpcode is not set for i8; for i8, ifDan Gohman2009-01-212-2/+24
| | | | | | | | we want to clear %ah to zero before a division, just use a zero-extending mov to %al. This fixes PR3366. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62691 91177308-0d34-0410-b5e6-96231b3b80d8
* Mimic gcc behaviour with regard to response files.Mikhail Glushenkov2009-01-212-16/+31
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* Fix 'llvm-config --libs' output.Mikhail Glushenkov2009-01-212-2/+2
| | | | | | | Change the naming scheme for llvmc plugins so that they do not appear in 'llvm-config --libs' output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62687 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the hook API back to prevent memory leaks.Mikhail Glushenkov2009-01-212-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62686 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow hooks with arguments.Mikhail Glushenkov2009-01-213-50/+240
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62685 91177308-0d34-0410-b5e6-96231b3b80d8
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