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* SmallVector's growth policies don't like starting from zero capacity.John McCall2010-08-261-1/+9
| | | | | | | | | | | | | I think there are good reasons to change this, but in the interests of short-term stability, make SmallVector<...,0> reserve non-zero capacity in its constructors. This means that SmallVector<...,0> uses more memory than SmallVector<...,1> and should really only be used (unless/until this workaround is removed) by clients that care about using SmallVector with an incomplete type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112147 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite ExtractGV, removing a bunch of stuff that didn't fully work,Dan Gohman2010-08-261-2/+1
| | | | | | | and was over-complicated, and replacing it with a simple implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112120 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide an explicit specialization of SmallVector at N=0 which doesJohn McCall2010-08-251-0/+33
| | | | | | | | | not require its type argument to be complete if no members are actually used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112106 91177308-0d34-0410-b5e6-96231b3b80d8
* add a specialization for the MVT form of getTypeAction, since it isChris Lattner2010-08-251-2/+4
| | | | | | | trivial. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112105 91177308-0d34-0410-b5e6-96231b3b80d8
* remove some llvmcontext arguments that are now dead post-refactoring.Chris Lattner2010-08-251-16/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112104 91177308-0d34-0410-b5e6-96231b3b80d8
* Change handling of illegal vector types to widen when possible instead of Chris Lattner2010-08-251-12/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | expanding: e.g. <2 x float> -> <4 x float> instead of -> 2 floats. This affects two places in the code: handling cross block values and handling function return and arguments. Since vectors are already widened by legalizetypes, this gives us much better code and unblocks x86-64 abi and SPU abi work. For example, this (which is a silly example of a cross-block value): define <4 x float> @test2(<4 x float> %A) nounwind { %B = shufflevector <4 x float> %A, <4 x float> undef, <2 x i32> <i32 0, i32 1> %C = fadd <2 x float> %B, %B br label %BB BB: %D = fadd <2 x float> %C, %C %E = shufflevector <2 x float> %D, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef> ret <4 x float> %E } Now compiles into: _test2: ## @test2 ## BB#0: addps %xmm0, %xmm0 addps %xmm0, %xmm0 ret previously it compiled into: _test2: ## @test2 ## BB#0: addps %xmm0, %xmm0 pshufd $1, %xmm0, %xmm1 ## kill: XMM0<def> XMM0<kill> XMM0<def> insertps $0, %xmm0, %xmm0 insertps $16, %xmm1, %xmm0 addps %xmm0, %xmm0 ret This implements rdar://8230384 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112101 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy upChris Lattner2010-08-251-54/+38
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112099 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix header define to reflect the name of the file.Eric Christopher2010-08-251-2/+2
| | | | | | | Patch by Adam Treat! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112077 91177308-0d34-0410-b5e6-96231b3b80d8
* Regenerate.Eric Christopher2010-08-251-6/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112042 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ARM heuristic for when to allocate a virtual base register for stackJim Grosbach2010-08-241-1/+1
| | | | | | access. rdar://8277890&7352504 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111968 91177308-0d34-0410-b5e6-96231b3b80d8
* First bit of support for the dwarf .loc directive. This patch updates theKevin Enderby2010-08-242-0/+65
| | | | | | | | | | | needed parsing for the .loc directive and saves the current info from that into the context. The next patch will take the current loc info after an instruction is assembled and save that info into a vector for each section for use to build the line number tables. The patch after that will encode the info from those vectors into the output file as the dwarf line tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111956 91177308-0d34-0410-b5e6-96231b3b80d8
* Move enabling the local stack allocation pass into the target where it belongs.Jim Grosbach2010-08-241-0/+7
| | | | | | | For now it's still a command line option, but the interface to the generic code doesn't need to know that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111942 91177308-0d34-0410-b5e6-96231b3b80d8
* Use MapValue in the Linker instead of having a private functionDan Gohman2010-08-241-0/+29
| | | | | | | | | which does the same thing. This eliminates redundant code and handles MDNodes better. MDNode linking still doesn't fully work yet though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111941 91177308-0d34-0410-b5e6-96231b3b80d8
* MDNode, MDString, and NamedMDNode are not meant to be subclassed;Dan Gohman2010-08-241-5/+2
| | | | | | | | make their protected members private. And remove an unnecessary explicit keyword. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111915 91177308-0d34-0410-b5e6-96231b3b80d8
* llvmc: Make syntax more consistent.Mikhail Glushenkov2010-08-231-24/+7
| | | | | | CompilationGraph and LanguageMap definitions do not use special syntax anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111862 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MFI storage of the local allocation block size. It's not needed.Jim Grosbach2010-08-231-14/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111847 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new llvm.x86.int intrinsic, allowing access to the Chris Lattner2010-08-231-0/+5
| | | | | | | x86 int and int3 instructions. Patch by Peter Housel! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111831 91177308-0d34-0410-b5e6-96231b3b80d8
* llvmc: Properly handle (error) in edge properties.Mikhail Glushenkov2010-08-232-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111827 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Mikhail Glushenkov2010-08-231-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111825 91177308-0d34-0410-b5e6-96231b3b80d8
* formatted_tool_output_file::close needs to flush its buffer beforeDan Gohman2010-08-231-1/+6
| | | | | | | closing the underlying stream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111822 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle qualified constants that are directly folded by FE.Devang Patel2010-08-231-0/+6
| | | | | | | PR 7920. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111820 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid O(n*m) complexity in StringRef::find_first(_not)_of(StringRef).Benjamin Kramer2010-08-231-2/+2
| | | | | | | | | - Cache used characters in a bitset to reduce memory overhead to just 32 bytes. - On my core2 this code is faster except when the checked string was very short (smaller than the list of delimiters). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111817 91177308-0d34-0410-b5e6-96231b3b80d8
* StringRef tweaks:Benjamin Kramer2010-08-231-2/+4
| | | | | | | | - Respect find_first_of(char's From parameter instead of silently dropping it. - Prefer std::string() to std::string("") git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111814 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: Add partial x86-64 support to COFF.Michael J. Spencer2010-08-212-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111728 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the first step towards refactoring the x86 vector shuffle code. TheBruno Cardoso Lopes2010-08-201-1/+1
| | | | | | | | | | | | | | general idea here is to have a group of x86 target specific nodes which are going to be selected during lowering and then directly matched in isel. The commit includes the addition of those specific nodes and a *bunch* of patterns, and incrementally we're going to switch between them and what we have right now. Both the patterns and target specific nodes can change as we move forward with this work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111691 91177308-0d34-0410-b5e6-96231b3b80d8
* CreateTemporaryType doesn't needs its Context argument.Dan Gohman2010-08-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111687 91177308-0d34-0410-b5e6-96231b3b80d8
* Create the new linker type "linker_private_weak_def_auto".Bill Wendling2010-08-201-14/+25
| | | | | | | | | | | | | It's similar to "linker_private_weak", but it's known that the address of the object is not taken. For instance, functions that had an inline definition, but the compiler decided not to inline it. Note, unlike linker_private and linker_private_weak, linker_private_weak_def_auto may have only default visibility. The symbols are removed by the linker from the final linked image (executable or dynamic library). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111684 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new temporary MDNode concept. Temporary MDNodes areDan Gohman2010-08-202-4/+17
| | | | | | | | | not part of the IR, are not uniqued, and may be safely RAUW'd. This replaces a variety of alternate mechanisms for achieving the same effect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111681 91177308-0d34-0410-b5e6-96231b3b80d8
* Reword NamedMDNode's comment.Dan Gohman2010-08-201-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111663 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete SlowOperationInformer, which is no longer used.Dan Gohman2010-08-202-66/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111661 91177308-0d34-0410-b5e6-96231b3b80d8
* Add include guards to Support/Regex.h.Mikhail Glushenkov2010-08-201-0/+5
| | | | | | If the omission was intentional, please add a comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111657 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Mikhail Glushenkov2010-08-202-12/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111656 91177308-0d34-0410-b5e6-96231b3b80d8
* Add explicit initializer for UseLocalStackAllocationBlock in MFI constructorJim Grosbach2010-08-201-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111655 91177308-0d34-0410-b5e6-96231b3b80d8
* Delete raw_stdout_ostream and raw_stderr_ostream, which are unusedDan Gohman2010-08-201-18/+0
| | | | | | | | outside of outs() and errs() themselves, and they don't really need custom classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111642 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an inspirational quote.Dan Gohman2010-08-201-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111641 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment.Dan Gohman2010-08-201-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111640 91177308-0d34-0410-b5e6-96231b3b80d8
* Move raw_ostream's Error flag into raw_fd_ostream, as that's the onlyDan Gohman2010-08-201-25/+27
| | | | | | | class which is using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111639 91177308-0d34-0410-b5e6-96231b3b80d8
* Export error-handling functions in formatted_tool_output_file.Dan Gohman2010-08-201-2/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111638 91177308-0d34-0410-b5e6-96231b3b80d8
* llvmc: Cut global namespace pollution.Mikhail Glushenkov2010-08-201-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111619 91177308-0d34-0410-b5e6-96231b3b80d8
* Disambiguate calls to WriteGraph() to disable ADL.Mikhail Glushenkov2010-08-201-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111618 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Mikhail Glushenkov2010-08-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111617 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the arm.neon.vmovls and vmovlu intrinsics with vector sign-extend andBob Wilson2010-08-201-5/+0
| | | | | | | zero-extend operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111614 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new tool_output_file class, which extends raw_ostream withDan Gohman2010-08-202-1/+44
| | | | | | | | | functionality that most command-line tools need: ensuring that the output file gets deleted if the tool is interrupted or encounters an error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111595 91177308-0d34-0410-b5e6-96231b3b80d8
* Better handling of offsets on frame index references. rdar://8277890Jim Grosbach2010-08-191-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111585 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comment to remove special case for vector extending loads. AnBob Wilson2010-08-191-5/+2
| | | | | | | | extending vector load should extend each element in the same way as the corresponding scalar extending load. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111577 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-re-revert this patch. It seems to be causing performanceEric Christopher2010-08-191-1/+1
| | | | | | | and correctness regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111527 91177308-0d34-0410-b5e6-96231b3b80d8
* Update local stack block allocation to let PEI do the allocs if no additionalJim Grosbach2010-08-191-0/+16
| | | | | | | | base registers were required. This will allow for slightly better packing of the locals when alignment padding is necessary after callee saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111508 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111199; it breaks -debug-pass=Structure output.Dan Gohman2010-08-192-4/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111500 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply the virtual register patch from 109102. The places where we wereEric Christopher2010-08-191-1/+1
| | | | | | | | depending on the number of virtual registers appear to have all been handled now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111499 91177308-0d34-0410-b5e6-96231b3b80d8
* Finish full attribute class emission for clang.Sean Hunt2010-08-181-0/+20
| | | | | | For more information, see the accompanying clang patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111454 91177308-0d34-0410-b5e6-96231b3b80d8
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