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* Implement depth_first and inverse_depth_first range factory functions.David Blaikie2014-04-11
| | | | | | | | | | | | | | Also updated as many loops as I could find using df_begin/idf_begin - strangely I found no uses of idf_begin. Is that just used out of tree? Also a few places couldn't use df_begin because either they used the member functions of the depth first iterators or had specific ordering constraints (I added a comment in the latter case). Based on a patch by Jim Grosbach. (Jim - you just had iterator_range<T> where you needed iterator_range<idf_iterator<T>>) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206016 91177308-0d34-0410-b5e6-96231b3b80d8
* [c++11] Range'ify use list loops in InstrEmitter.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206015 91177308-0d34-0410-b5e6-96231b3b80d8
* [c++11] Range'ify use list loops in DAGCombiner.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206014 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64,C++11] Range'ify use-lists iterators in address type promotion.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206013 91177308-0d34-0410-b5e6-96231b3b80d8
* Use value types instead of 'new'd objects to store dwarf labels for asm filesDavid Blaikie2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206009 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64,C++11]: Range'ify use-list iterators in DAGToDAG.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206007 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64,C++11]: More range-based loop simplification.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206006 91177308-0d34-0410-b5e6-96231b3b80d8
* SDNode: Add uses() iterator_range convenience methods.Jim Grosbach2014-04-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206005 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove lazy-initialization of section caches in MCContextDavid Blaikie2014-04-10
| | | | | | | | This seems to have been a cargo-culted habit from the very first such cache which didn't have any specific justification (but might've been a layering constraint at the time). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206003 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the segmented stack switch to a function attributeReid Kleckner2014-04-10
| | | | | | | | | This removes the -segmented-stacks command line flag in favor of a per-function "split-stack" attribute. Patch by Luqman Aden and Alex Crichton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
* [stack protector] Refactor and clean-up test. No functionality change.Josh Magee2014-04-10
| | | | | | | | | | Refactored stack-protector.ll to use new-style function attributes everywhere and eliminated unnecessary attributes. This cleanup is in preparation for an upcoming test change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205996 91177308-0d34-0410-b5e6-96231b3b80d8
* Test commit.Louis Gerbarg2014-04-10
| | | | | | | Update contact information in CREDITS.TXT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205995 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify make_range by using move semanticsDavid Blaikie2014-04-10
| | | | | | | | | Move the iterators into the range the same way the range's ctor moves them into the members. Also remove some redundant top level parens in the return statement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205993 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64,C++11]: Range'ify loops in InstrInfo.Jim Grosbach2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205992 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the use of "%e" as it is not a valid expansion like "%t".Kaelyn Takata2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205991 91177308-0d34-0410-b5e6-96231b3b80d8
* Reimplement debug info compression by compressing the whole section, rather ↵David Blaikie2014-04-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | than a fragment. To support compressing the debug_line section that contains multiple fragments (due, I believe, to variation in choices of line table encoding depending on the size of instruction ranges in the actual program code) we needed to support compressing multiple MCFragments in a single pass. This patch implements that behavior by mutating the post-relaxed and relocated section to be the compressed form of its former self, including renaming the section. This is a more flexible (and less invasive, to a degree) implementation that will allow for other features such as "use compression only if it's smaller than the uncompressed data". Compressing debug_frame would be a possible further extension to this work, but I've left it for now. The hurdle there is alignment sections - which might require going as far as to refactor MCAssembler.cpp:writeFragment to handle writing to a byte buffer or an MCObjectWriter (there's already a virtual call there, so it shouldn't add substantial compile-time cost) which could in turn involve refactoring MCAsmBackend::writeNopData to use that same abstraction... which involves touching all the backends. This would remove the limited handling of fragment writing seen in ELFObjectWriter.cpp:getUncompressedData which would be nice - but it's more invasive. I did discover that I (perhaps obviously) don't need to handle relocations when I rewrite the fragments - since the relocations have already been applied and computed (and stored into ELFObjectWriter::Relocations) by this stage (necessarily, because we need to have written any immediate values or assembly-time relocations into the data already before we compress it, which we have). The test case doesn't necessarily cover that in detail - I can add more test coverage if that's preferred. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205990 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert debug info compression support.David Blaikie2014-04-10
| | | | | | | | | | To support compression for debug_line and debug_frame a different approach is required. To simplify review, revert the old implementation and XFAIL the test case. New implementation to follow shortly. Reverts r205059 and r204958. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205989 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64,C++11]: Range'ify loops in the conditional-compare pass.Jim Grosbach2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205988 91177308-0d34-0410-b5e6-96231b3b80d8
* iterator_range: Add an llvm::make_range() helper method.Jim Grosbach2014-04-10
| | | | | | | | Convenience wrapper to make dealing with sub-ranges easier. Like the iterator_range<> itself, if/when this sort of thing gets standards blessing, it will be replaced by the official version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205987 91177308-0d34-0410-b5e6-96231b3b80d8
* For the ARM integrated assembler add checking of theKevin Enderby2014-04-10
| | | | | | | | | | | | | | | | | | | | alignments on vld/vst instructions. And report errors for alignments that are not supported. While this is a large diff and an big test case, the changes are very straight forward. But pretty much had to touch all vld/vst instructions changing the addrmode to one of the new ones that where added will do the proper checking for the specific instruction. FYI, re-committing this with a tweak so MemoryOp's default constructor is trivial and will work with MSVC 2012. Thanks to Reid Kleckner and Jim Grosbach for help with the tweak. rdar://11312406 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205986 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Follow-up to r205973: change the return type to const MDNode*."Adrian Prantl2014-04-10
| | | | | | | | This reverts commit r205974, it turns out that this wasn't such a great idea after all. Using DIVariable as return value is self-documenting and marginally more type safe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205979 91177308-0d34-0410-b5e6-96231b3b80d8
* Follow-up to r205973: change the return type to const MDNode*.Adrian Prantl2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205974 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug info: Factor the retrieving of the DIVariable from a MachineInstrAdrian Prantl2014-04-10
| | | | | | into a function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205973 91177308-0d34-0410-b5e6-96231b3b80d8
* AddLLVM: Mute the prefix "lib" in SHARED on win32.NAKAMURA Takumi2014-04-10
| | | | | | | - LLVMSupport.dll - libLLVMSupport.dll.a git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205969 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] NotMips64 predicate is really a test for 32-bit GPR's.Daniel Sanders2014-04-10
| | | | | | | | | | | | | | | | Summary: Similarly, the HasMips64 on the 64-bit move InstAlias is a test for 64-bit GPR's. No functional change. Reviewers: matheusalmeida Reviewed By: matheusalmeida Differential Revision: http://reviews.llvm.org/D3263 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205968 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply "SLPVectorizer: Ignore users that are insertelements we can ↵Arnold Schwaighofer2014-04-10
| | | | | | | | | reschedule them" This commit reapplies 205018. After 205855 we should correctly vectorize intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205965 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Switch the MIPS-III and MIPS-IV assembler tests to use -mcpu=mips4.Daniel Sanders2014-04-10
| | | | | | | | | | | | | | | | | | Summary: It is now the smallest superset for these ISA's. FeatureMips4 now contains FeatureFPIdx since [ls][dw]xc1 were added in MIPS-IV. Made the FPIdx feature bit lowercase so that it can be used in the -mattr option. Depends on D3274 Reviewers: matheusalmeida Reviewed By: matheusalmeida Differential Revision: http://reviews.llvm.org/D3275 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205964 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM64/*/LLVMBuild.txt: Prune redundant deps.NAKAMURA Takumi2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205963 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild.txt: Add missing dependencies.NAKAMURA Takumi2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205962 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild.txt: Reformat.NAKAMURA Takumi2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205961 91177308-0d34-0410-b5e6-96231b3b80d8
* SaveAndRestore: fix coding style and Doxygenify commentsDmitri Gribenko2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205959 91177308-0d34-0410-b5e6-96231b3b80d8
* YAMLIO: Allow scalars to dictate quotation rulesDavid Majnemer2014-04-10
| | | | | | | Introduce ScalarTraits::mustQuote which determines whether or not a StringRef needs quoting before it is acceptable to output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205955 91177308-0d34-0410-b5e6-96231b3b80d8
* Use range-based for loops. No functionality change.Simon Atanasyan2014-04-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205953 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix abuse of StringRef on ARM64SysReg::MRSMapper::toString(Val, Valid).NAKAMURA Takumi2014-04-10
| | | | | | FIXME: Could we use SmallString here? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205950 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM64: add an explicit cast to silence a silly warningSaleem Abdulrasool2014-04-10
| | | | | | | | | | GCC 4.8 complains with: warning: enumeral and non-enumeral type in conditional expression Although this is silly and harmless in this case, add an explicit cast to silence the warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205949 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64] Fix immediate cost calculation for types larger than i64.Juergen Ributzka2014-04-10
| | | | | | | | | | The immediate cost calculation code was hitting an assertion in the included test case, because APInt was still internally 128-bits. Truncating it to 64-bits fixed the issue. Fixes <rdar://problem/16572521>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205947 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "For the ARM integrated assembler add checking of the alignments on ↵Reid Kleckner2014-04-10
| | | | | | | | | | | | | vld/vst instructions. And report errors for alignments that are not supported." It doesn't build with MSVC 2012, because MSVC doesn't allow union members that have non-trivial default constructors. This change added 'SMLoc AlignmentLoc' to MemoryOp, which made MemoryOp's default ctor non-trivial. This reverts commit r205930. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205944 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix to support properly cleaning up failed address sinking against constantsJim Grosbach2014-04-10
| | | | | | | | | | | As it turns out the source of the sunkaddr can be a constant, in which case there is not an instruction to delete, causing the cleanup code introduced in r204833 to crash. This patch adds a dynamic check to ensure the deleted value is in fact an instruction and not a constant. Patch by Louis Gerbarg <lgg@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205941 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Tighten up test.Jim Grosbach2014-04-10
| | | | | | llc CPU autodection bites again. Speculative fix for bot failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205940 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for load folding of avx1 logical instructionsJim Grosbach2014-04-09
| | | | | | | | | | | | | | | | | | AVX supports logical operations using an operand from memory. Unfortunately because integer operations were not added until AVX2 the AVX1 logical operation's types were preventing the isel from folding the loads. In a limited number of cases the peephole optimizer would fold the loads, but most were missed. This patch adds explicit patterns with appropriate casts in order for these loads to be folded. The included test cases run on reduced examples and disable the peephole optimizer to ensure the folds are being pattern matched. Patch by Louis Gerbarg <lgg@apple.com> rdar://16355124 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205938 91177308-0d34-0410-b5e6-96231b3b80d8
* SelectionDAG: Don't constant fold target-specific nodes.Jim Grosbach2014-04-09
| | | | | | | | | | | | | | FoldConstantArithmetic() only knows how to deal with a few target independent ISD opcodes. Bail early if it sees a target-specific ISD node. These node do funny things with operand types which may break the assumptions of the code that follows, and there's no actual folding that can be done anyway. For example, non-constant 256 bit vector shifts on X86 have a shift-amount operand that's a 128-bit v4i32 vector regardless of what the first operand type is and that breaks the assumption that the operand types must match. rdar://16530923 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205937 91177308-0d34-0410-b5e6-96231b3b80d8
* For the ARM integrated assembler add checking of theKevin Enderby2014-04-09
| | | | | | | | | | | | | | | | alignments on vld/vst instructions. And report errors for alignments that are not supported. While this is a large diff and an big test case, the changes are very straight forward. But pretty much had to touch all vld/vst instructions changing the addrmode to one of the new ones that where added will do the proper checking for the specific instruction. rdar://11312406 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205930 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Implement the isZExtFree APIs.Chad Rosier2014-04-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205926 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Implement the isTruncateFree API.Chad Rosier2014-04-09
| | | | | | | | | In AArch64 i64 to i32 truncate operation is a subregister access. This allows more opportunities for LSR optmization to eliminate variables of different types (i32 and i64). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205925 91177308-0d34-0410-b5e6-96231b3b80d8
* [DAGCombiner] DAG combine does not know how to combine indexed loads withQuentin Colombet2014-04-09
| | | | | | | | | | | | sign/zero/any extensions. However a few places were not checking properly the property of the load and were turning an indexed load into a regular extended load. Therefore the indexed value was lost during the process and this was triggering an assertion. <rdar://problem/16389332> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205923 91177308-0d34-0410-b5e6-96231b3b80d8
* Simple fix for build failures resulting from r205867.Bob Wilson2014-04-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205918 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Revert "YAMLIO: Encode ambiguous hex strings explicitly""David Majnemer2014-04-09
| | | | | | | | | Don't quote octal compatible strings if they are only two wide, they aren't ambiguous. This reverts commit r205857 which reverted r205857. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205914 91177308-0d34-0410-b5e6-96231b3b80d8
* obj2yaml: Don't crash if the characteristics field is zeroDavid Majnemer2014-04-09
| | | | | | | | | obj2yaml would fail when seeing a Weak External auxiliary record with a characteristics field holding zero instead of one of IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY, IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY, or IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205911 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add preliminary intrinsics and codegen support for textures/surfacesJustin Holewinski2014-04-09
| | | | | | This commit adds intrinsics and codegen support for the surface read/write and texture read instructions that take an explicit sampler parameter. Codegen operates on image handles at the PTX level, but falls back to direct replacement of handles with kernel arguments if image handles are not enabled. Note that image handles are explicitly disabled for all target architectures in this change (to be enabled later). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205907 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add support for addrspacecast in global variable initializers, ↵Justin Holewinski2014-04-09
| | | | | | including emitting generic() when casting to address space 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205906 91177308-0d34-0410-b5e6-96231b3b80d8
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