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2011-11-26Move code into anonymous namespaces.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145154 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-26Merge 128-bit and 256-bit X86ISD node types for VPERMILPS and VPERMILPD. ↵Craig Topper
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
2011-11-26Rename a couple of options and fix some simple typos.Wesley Peck
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145152 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-26Collapse X86ISD node types for PUNPCKH*, PUNPCKL*, UNPCKLP*, and UNPCKHP* to ↵Craig Topper
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
2011-11-26Move the branch probability blurb into the optimizer section. Add a minimal ↵Benjamin Kramer
bullet for AVX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145145 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-26Added Objective-C and libc++ details to the 3.0 release notes.David Chisnall
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145144 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-26FileCheck-ize this test and make it more precise. This is in preparationChandler Carruth
for adding other tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145143 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-26Fix APFloat::convert so that it handles narrowing conversions correctly; itEli Friedman
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
2011-11-25shpellingBenjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145138 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-25Remove ZooLib from the projects list.Benjamin Kramer
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
2011-11-25add a userChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145136 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-25add some notesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-25add faustChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145134 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-25This patch contains support for encoding FMA4 instructions andBruno Cardoso Lopes
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
2011-11-25ARMLoadStoreOptimizer.cpp: Fix MSVC(Debug) build.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145129 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-24Remove 256-bit specific node types for UNPCKHPS/D and instead use the ↵Craig Topper
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
2011-11-24Remove AVX2 specific X86ISD node types for PUNPCKH/L and instead just reuse ↵Craig Topper
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
2011-11-24Devirtualize Pass::getPassID, overriding it isn't useful and it gets called ↵Benjamin Kramer
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
2011-11-24Make ConstantRange::truncate a bit more efficient.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145122 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-24X86: alias cqo to cqto.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145121 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-24Fix a silly use-after-free issue. A much earlier version of this codeChandler Carruth
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
2011-11-24When adding blocks to the list of those which no longer have any CFGChandler Carruth
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
2011-11-24Add a few notes for ARM and a blurb about the MCJIT.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145118 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23This patch makes the following changes necessary for MIPS' direct code emission.Akira Hatanaka
- 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
2011-11-23This patch addresses gp relative fixups/relocations for jump tables.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145112 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Correctly byte-swap APInts with bit-widths greater than 64.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145111 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Validate the return type when checking if a function is malloc.Benjamin Kramer
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
2011-11-23Fix a crash in which a multiplication was being reported as being both negativeDuncan Sands
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
2011-11-23X86: Use btq for bit tests if the immediate can't be encoded in 32 bits.Benjamin Kramer
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
2011-11-23test/CodeGen/X86/block-placement.ll: Add explicit -mtriple=i686-linux. X86 ↵NAKAMURA Takumi
Win32 CodeGen does not support EH yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Relax an invariant that block placement was trying to assert a bitChandler Carruth
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
2011-11-23I added several lines in X86 code generator that allow to choose Elena Demikhovsky
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
2011-11-23Handle the case of a no-return invoke correctly. It actually still hasChandler Carruth
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
2011-11-23Enable stack protectors for all arrays, not just char arrays. rdar://5875909Bob Wilson
Patch by Bill Wendling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Fix PR11422.Jakob Stoklund Olesen
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
2011-11-23Point to libLTO with -L/PATH/ -lLTO so that it is found in the installRafael Espindola
directory. Patch by Markus Trippelsdorf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145095 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-23Fix a crash in block placement due to an inner loop that happened to beChandler Carruth
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
2011-11-23[asan] do not instrument threadlocal globals, this is buggyKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145092 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Undo test commitAnshuman Dasgupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145079 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Test commitAnshuman Dasgupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145078 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22add basic PPC register-pressure feedback; adjust the vaarg test to match the ↵Hal Finkel
new register-allocation pattern git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22More fixes to the X86InstComments for shuffle instructions. In particular ↵Craig Topper
add AVX flavors of many instructions and fix the destination operand for some of the existing AVX entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Fix a devilish miscompile exposed by block placement. TheChandler Carruth
updateTerminator code didn't correctly handle EH terminators in one very specific case. AnalyzeBranch would find no terminator instruction, and so the fallback in updateTerminator is to assume fallthrough. This is correct, but the destination of the fallthrough was assumed to be the first successor. This is *almost always* true, but in certain cases the loop transformations will cause the landing pad to be the first successor! Instead of this brittle logic, actually look through the successors for a non-landing-pad accessor, and to assert if more than one is found. This will hopefully fix some (if not all) of the self host miscompiles with block placement. Thanks to Benjamin Kramer for reporting, Nick Lewycky for an initial stab at a reduction, and Duncan for endless advice on EH (which I know nothing about) as well as reviewing the actual fix. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Add configure checking for pread(2) and use it to save a syscall when ↵Benjamin Kramer
reading files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145061 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Fix an obvious omission in the SelectionDAGBuilder where we wereChandler Carruth
dropping weights on the floor for invokes. This was impeding my writing further test cases for invoke when interacting with probabilities and block placement. No test case as there doesn't appear to be a way to test this stuff. =/ Suggestions for a test case of course welcome. I hope to be able to add test cases that indirectly cover this eventually by adding probabilities to the exceptional edge and reordering blocks as a result. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Turn error recovery into an assert.Benjamin Kramer
This was put in because in a certain version of DragonFlyBSD stat(2) lied about the size of some files. This was fixed a long time ago so we can remove the workaround. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145059 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Add triple to the test.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22If a register is both an early clobber and part of a tied use, handle the useRafael Espindola
before the clobber so that we copy the value if needed. Fixes pr11415. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145056 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Fix shuffle decoding logic to handle UNPCKLPS/UNPCKLPD on 256-bit vectors ↵Craig Topper
correctly. Add support for decoding UNPCKHPS/UNPCKHPD for AVX 128-bit and 256-bit forms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145055 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-22Add methods for querying minimum SSE version along with AVX. Simplifies all ↵Craig Topper
the places that had to check a version of SSE and AVX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145053 91177308-0d34-0410-b5e6-96231b3b80d8
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