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* Do not isel load folding bt instructions for pentium m, core, core2, and AMD ↵Evan Cheng2009-01-025-29/+53
| | | | | | processors. These are significantly slower than a load followed by a bt of a register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61557 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix x86 CPU id detection to identify Penryn (and future processors).Evan Cheng2009-01-021-2/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61556 91177308-0d34-0410-b5e6-96231b3b80d8
* Use movaps / movd to extract vector element 0 even with sse4.1. It's still ↵Evan Cheng2009-01-028-15/+23
| | | | | | cheaper than pextrw especially if the value is in memory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61555 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Nick Lewycky2009-01-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61554 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the cyclic part of this test, it was passing for the wrong Nick Lewycky2009-01-021-11/+1
| | | | | | | | reason. Two functions which mutually require each other to be nocapture are not currently supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61553 91177308-0d34-0410-b5e6-96231b3b80d8
* Make adding nocapture a bit stronger. FreeInst is nocapture. Also, Nick Lewycky2009-01-022-4/+50
| | | | | | | | | | | functions that don't write can't leak a pointer except through the return value, so a void readonly function is implicitly nocapture. Test these, and add a test that verifies that f1 calling f2 with an otherwise dead pointer gets both of them marked nocapture. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61552 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't error out if ranlib fails.Bill Wendling2009-01-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61551 91177308-0d34-0410-b5e6-96231b3b80d8
* rename a file to follow naming conventions.Chris Lattner2009-01-021-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61550 91177308-0d34-0410-b5e6-96231b3b80d8
* Add tests for two types of traps that escape analysisDuncan Sands2009-01-021-0/+23
| | | | | | | might one day fall into. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61549 91177308-0d34-0410-b5e6-96231b3b80d8
* Mention that this pass does escape analysis in theDuncan Sands2009-01-011-3/+5
| | | | | | | leading comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61548 91177308-0d34-0410-b5e6-96231b3b80d8
* Factorize (and generalize) the code promoting SELECTDuncan Sands2009-01-013-152/+105
| | | | | | | | and BRCOND conditions. Reorder a few methods while there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61547 91177308-0d34-0410-b5e6-96231b3b80d8
* * Quoted the executable 'runtest' to emphasize the binary needed;Misha Brukman2009-01-011-1/+1
| | | | | | | | otherwise, some unlucky souls start looking for a 'dejagnu' binary... * Properly capitalized LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61546 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove trailing spaces.Duncan Sands2009-01-012-33/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61545 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3274: when promoting the condition of a BRCOND node,Duncan Sands2009-01-0121-118/+176
| | | | | | | | | | | promote from i1 all the way up to the canonical SetCC type. In order to discover an appropriate type to use, pass MVT::Other to getSetCCResultType. In order to be able to do this, change getSetCCResultType to take a type as an argument, not a value (this is also more logical). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61542 91177308-0d34-0410-b5e6-96231b3b80d8
* Original patch by Talin.Misha Brukman2009-01-017-2/+261
| | | | | | | | | * Added the first LLVM unittest -- DenseMap. * Updated mkpatch utility to include llvm/unittests dir * Added top-level target "unittests" to run all unittests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61541 91177308-0d34-0410-b5e6-96231b3b80d8
* * Removed gtest-all.cc; .cc files including other .cc files is weirdMisha Brukman2009-01-018-85/+16
| | | | | | | | | | | | | | * Removed gtest_main.cc: we have our own main() elsewhere * Simplified the Makefile as we don't need SOURCES * Moved the internal header to gtest/internal/ * Simplified the Makefile to remove -I param to CPP.Flags * Updated README.LLVM with all the steps I took to massage GTest to work in LLVM so far git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61540 91177308-0d34-0410-b5e6-96231b3b80d8
* Moved Google Test code up one directory so that we can use a standard LLVMMisha Brukman2009-01-0113-3/+36
| | | | | | | | | | Makefile with it, without resorting to the use of VPATH. Also added Makefiles at every level of the directory tree to properly recurse to Google Test and build it as a library (original Makefiles by Talin). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61539 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Bill Wendling2009-01-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61538 91177308-0d34-0410-b5e6-96231b3b80d8
* Add transformation:Bill Wendling2009-01-012-1/+43
| | | | | | | | | xor (or (icmp, icmp), true) -> and(icmp, icmp) This is possible because of De Morgan's law. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61537 91177308-0d34-0410-b5e6-96231b3b80d8
* Some compilers are picky about accessing the first element of a std::vector ifBill Wendling2009-01-011-2/+5
| | | | | | | there's nothing in the vector. Pacify them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61536 91177308-0d34-0410-b5e6-96231b3b80d8
* Look through phi nodes and select instructions whenDuncan Sands2008-12-312-18/+30
| | | | | | | calculating nocapture attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61535 91177308-0d34-0410-b5e6-96231b3b80d8
* This is not failing on Darwin for some reason. XFAIL for other platforms.Bill Wendling2008-12-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61533 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't analyze arguments already marked 'nocapture'.Duncan Sands2008-12-313-1/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61532 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed grammar and capitalization.Misha Brukman2008-12-311-5/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61531 91177308-0d34-0410-b5e6-96231b3b80d8
* Add spacing between type and variable name.Misha Brukman2008-12-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61530 91177308-0d34-0410-b5e6-96231b3b80d8
* Comment headers should extend to 80 chars.Misha Brukman2008-12-311-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61529 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix spacing to be uniform for parameters.Misha Brukman2008-12-311-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61528 91177308-0d34-0410-b5e6-96231b3b80d8
* Removed extra spaces.Misha Brukman2008-12-311-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61527 91177308-0d34-0410-b5e6-96231b3b80d8
* Import of Google Test 1.2.1, with the non-essential bits removed.Misha Brukman2008-12-3130-2/+22432
| | | | | | | | Added a README.LLVM file to indicate which files and directories were removed from the original source tarball. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61526 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename AddReadAttrs to FunctionAttrs, and teach it howDuncan Sands2008-12-3114-25/+175
| | | | | | | | | to work out (in a very simplistic way) which function arguments (pointer arguments only) are only dereferenced and so do not escape. Mark such arguments 'nocapture'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61525 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Added some VC++ specific info to CMake.html.Oscar Fuentes2008-12-311-3/+41
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* Add a new Attribute::getAlignmentFromAttrs method.Chris Lattner2008-12-311-5/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61517 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL test caused by r61493. Apparently, this is expected?Bill Wendling2008-12-311-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61516 91177308-0d34-0410-b5e6-96231b3b80d8
* Get live interval reconstruction several steps closer to working.Owen Anderson2008-12-311-66/+86
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61514 91177308-0d34-0410-b5e6-96231b3b80d8
* add a noteChris Lattner2008-12-311-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61513 91177308-0d34-0410-b5e6-96231b3b80d8
* XFAIL this for now until I can figure out what's going on.Scott Michel2008-12-311-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61512 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test erratum (which is wierd: works locally for me?)Scott Michel2008-12-301-1/+1
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* - Start moving target-dependent nodes that could be represented by anScott Michel2008-12-3015-632/+734
| | | | | | | | | | | | | | instruction sequence and cannot ordinarily be simplified by DAGcombine into the various target description files or SPUDAGToDAGISel.cpp. This makes some 64-bit operations legal. - Eliminate target-dependent ISD enums. - Update tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61508 91177308-0d34-0410-b5e6-96231b3b80d8
* Linux wants the FDE initial location and address range to be forced to 32-bit.Bill Wendling2008-12-294-2/+14
| | | | | | | Darwin doesn't. Make this optional for platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61484 91177308-0d34-0410-b5e6-96231b3b80d8
* The FDE initial location and address range data should be free to be 64-bitBill Wendling2008-12-291-2/+2
| | | | | | | (quad) on a 64-bit platform. This fixes a problem with EH frames on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61483 91177308-0d34-0410-b5e6-96231b3b80d8
* * Updated TOC and fixed named anchorsMisha Brukman2008-12-291-14/+10
| | | | | | | * Simplified section header marking git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61482 91177308-0d34-0410-b5e6-96231b3b80d8
* Minimize the width of the notes region: it will end where the text ends, if theMisha Brukman2008-12-291-1/+1
| | | | | | | | line of text is short enough, instead of stretching all the way to the right margin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61481 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplified marking code regions with a single <pre> rather thanMisha Brukman2008-12-291-50/+46
| | | | | | | a (<div>, <pre>) combo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61480 91177308-0d34-0410-b5e6-96231b3b80d8
* Make stripPointerCasts and getUnderlyingObjectDuncan Sands2008-12-291-26/+39
| | | | | | | non-recursive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61479 91177308-0d34-0410-b5e6-96231b3b80d8
* Experiments show that looking through phi nodesDuncan Sands2008-12-291-0/+2
| | | | | | | | | | | and select instructions doesn't buy anything here except extra complexity: the only difference in the entire testsuite was that a readonly function became readnone in MiBench/consumer-typeset. Add a comment about this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61478 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed spelling, removed trailing whitespace.Misha Brukman2008-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61477 91177308-0d34-0410-b5e6-96231b3b80d8
* Center the legal note to give it even padding on left and right, and make itMisha Brukman2008-12-291-3/+3
| | | | | | | stand out better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61475 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup: clarify llvm-gcc version and package name.Misha Brukman2008-12-291-7/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61474 91177308-0d34-0410-b5e6-96231b3b80d8
* Clarify a bit. Based on feedback by Talin.Duncan Sands2008-12-291-20/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61470 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow readnone functions to read (and write!) globalDuncan Sands2008-12-292-4/+27
| | | | | | | | | | | | | | | | | constants, since doing so is irrelevant for aliasing purposes. While this doesn't increase the total number of functions marked readonly or readnone in MultiSource/ Applications (3089), it does result in 12 functions being marked readnone rather than readonly. Before: readnone: 820 readonly: 2269 After: readnone: 832 readonly: 2257 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61469 91177308-0d34-0410-b5e6-96231b3b80d8
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