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* remove some old autoupgrade logicChris Lattner2011-11-274-279/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145167 91177308-0d34-0410-b5e6-96231b3b80d8
* remove autoupgrade support for LLVM 2.9 exception stuff. Mainline supportsChris Lattner2011-11-274-256/+0
| | | | | | | LLVM 3.0 and later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145165 91177308-0d34-0410-b5e6-96231b3b80d8
* remove support for reading llvm 2.9 .bc files. LLVM 3.1 is only compatible ↵Chris Lattner2011-11-2710-311/+5
| | | | | | back to 3.0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145164 91177308-0d34-0410-b5e6-96231b3b80d8
* add some notesChris Lattner2011-11-271-3/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145163 91177308-0d34-0410-b5e6-96231b3b80d8
* Add several new instructions supported by the latest MicroBlaze.Wesley Peck2011-11-276-1/+70
| | | | | | | These instructions are not generated by the backend yet, this will come in a later commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145161 91177308-0d34-0410-b5e6-96231b3b80d8
* Partially revert r145157 to quiet an unhappy buildbot.Bob Wilson2011-11-271-0/+9
| | | | | | | Removing that buildbot would be a better solution, but this is at least a temporary workaround. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145160 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize comparison against 0 in conditional instructions.Wesley Peck2011-11-271-2/+156
| | | | | | | Fix a couple of 80-column violations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145159 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a loop block rotation optimization to the new block placementChandler Carruth2011-11-272-3/+122
| | | | | | | | | | | | | | | pass. This is designed to achieve one of the important optimizations that the old code placement pass did, but more simply. This is a somewhat rough and *very* conservative version of the transform. We could get a lot fancier here if there are profitable cases to do so. In particular, this only looks for a single pattern, it insists that the loop backedge being rotated away is the last backedge in the chain, and it doesn't provide any means of doing better in-loop placement due to the rotation. However, it appears that it will handle the important loops I am finding in the LLVM test suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145158 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge the install-clang-c target into install-clang. <rdar://problem/10217046>Bob Wilson2011-11-271-9/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145157 91177308-0d34-0410-b5e6-96231b3b80d8
* Move code into anonymous namespaces.Benjamin Kramer2011-11-269-37/+35
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145154 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge 128-bit and 256-bit X86ISD node types for VPERMILPS and VPERMILPD. ↵Craig Topper2011-11-264-39/+15
| | | | | | Simplify some shuffle lowering code since V1 can never be UNDEF due to canonalizing that occurs when shuffle nodes are created. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145153 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename a couple of options and fix some simple typos.Wesley Peck2011-11-264-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145152 91177308-0d34-0410-b5e6-96231b3b80d8
* Collapse X86ISD node types for PUNPCKH*, PUNPCKL*, UNPCKLP*, and UNPCKHP* to ↵Craig Topper2011-11-264-178/+116
| | | | | | not be type specific. Now we just have integer high and low and floating point high and low. Pattern matching will choose the correct instruction based on the vector type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145148 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the branch probability blurb into the optimizer section. Add a minimal ↵Benjamin Kramer2011-11-261-5/+9
| | | | | | bullet for AVX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145145 91177308-0d34-0410-b5e6-96231b3b80d8
* Added Objective-C and libc++ details to the 3.0 release notes.David Chisnall2011-11-261-3/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145144 91177308-0d34-0410-b5e6-96231b3b80d8
* FileCheck-ize this test and make it more precise. This is in preparationChandler Carruth2011-11-261-5/+11
| | | | | | for adding other tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145143 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix APFloat::convert so that it handles narrowing conversions correctly; itEli Friedman2011-11-263-50/+61
| | | | | | | | | | was returning incorrect values in rare cases, and incorrectly marking exact conversions as inexact in some more common cases. Fixes PR11406, and a missed optimization in test/CodeGen/X86/fp-stack-O0.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145141 91177308-0d34-0410-b5e6-96231b3b80d8
* shpellingBenjamin Kramer2011-11-251-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145138 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove ZooLib from the projects list.Benjamin Kramer2011-11-251-18/+0
| | | | | | | I don't see how the project is using LLVM and we really can't list every user of the clang analyzer. Sorry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145137 91177308-0d34-0410-b5e6-96231b3b80d8
* add a userChris Lattner2011-11-251-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145136 91177308-0d34-0410-b5e6-96231b3b80d8
* add some notesChris Lattner2011-11-251-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145135 91177308-0d34-0410-b5e6-96231b3b80d8
* add faustChris Lattner2011-11-251-0/+15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145134 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch contains support for encoding FMA4 instructions andBruno Cardoso Lopes2011-11-257-7/+118
| | | | | | | | | tablegen patterns for scalar FMA4 operations and intrinsic. Also add tests for vfmaddsd. Patch by Jan Sjodin git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145133 91177308-0d34-0410-b5e6-96231b3b80d8
* ARMLoadStoreOptimizer.cpp: Fix MSVC(Debug) build.NAKAMURA Takumi2011-11-251-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145129 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove 256-bit specific node types for UNPCKHPS/D and instead use the ↵Craig Topper2011-11-245-50/+60
| | | | | | 128-bit versions and let the operand type disinquish. Also fix the load form of the v8i32 patterns for these to realize that the load would be promoted to v4i64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145126 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove AVX2 specific X86ISD node types for PUNPCKH/L and instead just reuse ↵Craig Topper2011-11-244-81/+33
| | | | | | the 128-bit versions and let the vector type distinguish. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145125 91177308-0d34-0410-b5e6-96231b3b80d8
* Devirtualize Pass::getPassID, overriding it isn't useful and it gets called ↵Benjamin Kramer2011-11-242-4/+2
| | | | | | | | a lot. While at it pull the trivial ctor in line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145124 91177308-0d34-0410-b5e6-96231b3b80d8
* Make ConstantRange::truncate a bit more efficient.Benjamin Kramer2011-11-241-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145122 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: alias cqo to cqto.Benjamin Kramer2011-11-242-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145121 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a silly use-after-free issue. A much earlier version of this codeChandler Carruth2011-11-242-2/+213
| | | | | | | | | | | | need lots of fanciness around retaining a reference to a Chain's slot in the BlockToChain map, but that's all gone now. We can just go directly to allocating the new chain (which will update the mapping for us) and using it. Somewhat gross mechanically generated test case replicates the issue Duncan spotted when actually testing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145120 91177308-0d34-0410-b5e6-96231b3b80d8
* When adding blocks to the list of those which no longer have any CFGChandler Carruth2011-11-242-3/+59
| | | | | | | | | | | | | | conflicts, we should only be adding the first block of the chain to the list, lest we try to merge into the middle of that chain. Most of the places we were doing this we already happened to be looking at the first block, but there is no reason to assume that, and in some cases it was clearly wrong. I've added a couple of tests here. One already worked, but I like having an explicit test for it. The other is reduced from a test case Duncan reduced for me and used to crash. Now it is handled correctly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145119 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a few notes for ARM and a blurb about the MCJIT.Jim Grosbach2011-11-241-6/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145118 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch makes the following changes necessary for MIPS' direct code emission.Akira Hatanaka2011-11-236-55/+236
| | | | | | | | | - lower unaligned loads/stores. - encode the size operand of instructions INS and EXT. - emit relocation information needed for JAL (jump-and-link). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145113 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch addresses gp relative fixups/relocations for jump tables.Akira Hatanaka2011-11-238-7/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145112 91177308-0d34-0410-b5e6-96231b3b80d8
* Correctly byte-swap APInts with bit-widths greater than 64.Richard Smith2011-11-232-18/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145111 91177308-0d34-0410-b5e6-96231b3b80d8
* Validate the return type when checking if a function is malloc.Benjamin Kramer2011-11-231-4/+4
| | | | | | Fixes PR11426. Not sure if a test case with a "wrong" malloc would be useful. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145106 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash in which a multiplication was being reported as being both negativeDuncan Sands2011-11-232-2/+24
| | | | | | | | | and positive: positive, because it could be directly computed to be positive; negative, because the nsw flags means it is either negative or undefined (the multiplication always overflowed). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145104 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Use btq for bit tests if the immediate can't be encoded in 32 bits.Benjamin Kramer2011-11-232-1/+44
| | | | | | | | | | | | | | | | Before: movabsq $4294967296, %rax ## encoding: [0x48,0xb8,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00] testq %rax, %rdi ## encoding: [0x48,0x85,0xf8] jne LBB0_2 ## encoding: [0x75,A] After: btq $32, %rdi ## encoding: [0x48,0x0f,0xba,0xe7,0x20] jb LBB0_2 ## encoding: [0x72,A] btq is usually slower than testq because it doesn't fuse with the jump, but here we're better off saving one register and a giant movabsq. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145103 91177308-0d34-0410-b5e6-96231b3b80d8
* test/CodeGen/X86/block-placement.ll: Add explicit -mtriple=i686-linux. X86 ↵NAKAMURA Takumi2011-11-231-1/+1
| | | | | | Win32 CodeGen does not support EH yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145101 91177308-0d34-0410-b5e6-96231b3b80d8
* Relax an invariant that block placement was trying to assert a bitChandler Carruth2011-11-232-3/+26
| | | | | | | | | | | further. This invariant just wasn't going to work in the face of unanalyzable branches; we need to be resillient to the phenomenon of chains poking into a loop and poking out of a loop. In fact, we already were, we just needed to not assert on it. This was found during a bootstrap with block placement turned on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145100 91177308-0d34-0410-b5e6-96231b3b80d8
* I added several lines in X86 code generator that allow to choose Elena Demikhovsky2011-11-232-15/+60
| | | | | | | | | | VSHUFPS/VSHUFPD instructions while lowering VECTOR_SHUFFLE node. I check a commuted VSHUFP mask. The patch was reviewed by Bruno. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145099 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle the case of a no-return invoke correctly. It actually still hasChandler Carruth2011-11-232-0/+32
| | | | | | | | | successors, they just are all landing pad successors. We handle this the same way as no successors. Comments attached for the next person to wade through here and another lovely test case courtesy of Benjamin Kramer's bugpoint reduction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145098 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable stack protectors for all arrays, not just char arrays. rdar://5875909Bob Wilson2011-11-232-7/+2
| | | | | | Patch by Bill Wendling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145097 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR11422.Jakob Stoklund Olesen2011-11-233-3/+109
| | | | | | | | | | | | | This was a bug in keeping track of the available domains when merging domain values. The wrong domain mask caused ExecutionDepsFix to try to move VANDPSYrr to the integer domain which is only available in AVX2. Also add an assertion to catch future attempts at emitting AVX2 instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145096 91177308-0d34-0410-b5e6-96231b3b80d8
* Point to libLTO with -L/PATH/ -lLTO so that it is found in the installRafael Espindola2011-11-231-1/+1
| | | | | | | directory. Patch by Markus Trippelsdorf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145095 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a crash in block placement due to an inner loop that happened to beChandler Carruth2011-11-232-1/+45
| | | | | | | | | | | reversed in the function's original ordering, and we happened to encounter it while handling an outer unnatural CFG structure. Thanks to the test case reduced from GCC's source by Benjamin Kramer. This may also fix a crasher in gzip that Duncan reduced for me, but I haven't yet gotten to testing that one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145094 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] do not instrument threadlocal globals, this is buggyKostya Serebryany2011-11-232-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145092 91177308-0d34-0410-b5e6-96231b3b80d8
* Undo test commitAnshuman Dasgupta2011-11-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145079 91177308-0d34-0410-b5e6-96231b3b80d8
* Test commitAnshuman Dasgupta2011-11-221-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145078 91177308-0d34-0410-b5e6-96231b3b80d8
* add basic PPC register-pressure feedback; adjust the vaarg test to match the ↵Hal Finkel2011-11-225-97/+118
| | | | | | new register-allocation pattern git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145065 91177308-0d34-0410-b5e6-96231b3b80d8
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