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* InstCombine: Modernize a bunch of cast combines.Benjamin Kramer2014-01-19
| | | | | | Also make them vector-aware. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199608 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Replace a hand-rolled version of isKnownToBeAPowerOfTwo with ↵Benjamin Kramer2014-01-19
| | | | | | the real thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199604 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Teach most integer add/sub/mul/div combines how to deal with ↵Benjamin Kramer2014-01-19
| | | | | | vectors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199602 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Refactor fmul/fdiv combines to handle vectors.Benjamin Kramer2014-01-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199598 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a really nasty SROA bug with how we handled out-of-bounds memcpyChandler Carruth2014-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | intrinsics. Reported on the list by Evan with a couple of attempts to fix, but it took a while to dig down to the root cause. There are two overlapping bugs here, both centering around the circumstance of discovering a memcpy operand which is known to be completely outside the bounds of the alloca. First, we need to kill the *other* side of the memcpy if it was added to this alloca. Otherwise we'll factor it into our slicing and try to rewrite it even though we know for a fact that it is dead. This is made more tricky because we can visit the sides in either order. So we have to both kill the other side and skip instructions marked as dead. The latter really should be goodness in every case, but here is a matter of correctness. Second, we need to actually remove the *uses* of the alloca by the memcpy when queuing it for later deletion. Otherwise it may still be using the alloca when we go to promote it (if the rewrite re-uses the existing alloca instruction). Do this by factoring out the use-clobbering used when for nixing a Phi argument and re-using it across the operands of a to-be-deleted instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199590 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM ELF: ensure that the tag types are correctedSaleem Abdulrasool2014-01-19
| | | | | | | | Ensure that the tag types are reflected on a replacement. This is particularly important for the compatibility tag which has multiple representations where the last definition wins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199577 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: update build attributes for ABI r2.09Saleem Abdulrasool2014-01-19
| | | | | | | Update names for the names as per the current ABI errata. Mark deprecated tags as such. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199576 91177308-0d34-0410-b5e6-96231b3b80d8
* LoopVectorizer: A reduction that has multiple uses of the reduction value is notArnold Schwaighofer2014-01-19
| | | | | | | | | | | | | | a reduction. Really. Under certain circumstances (the use list of an instruction has to be set up right - hence the extra pass in the test case) we would not recognize when a value in a potential reduction cycle was used multiple times by the reduction cycle. Fixes PR18526. radar://15851149 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199570 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] Make the verifier work independently of any pass manager.Chandler Carruth2014-01-19
| | | | | | | | | | | | | | | | | | | | | | | This makes the 'verifyFunction' and 'verifyModule' functions totally independent operations on the LLVM IR. It also cleans up their API a bit by lifting the abort behavior into their clients and just using an optional raw_ostream parameter to control printing. The implementation of the verifier is now just an InstVisitor with no multiple inheritance. It also is significantly more const-correct, and hides the const violations internally. The two layers that force us to break const correctness are building a DomTree and dispatching through the InstVisitor. A new VerifierPass is used to implement the legacy pass manager interface in terms of the other pieces. The error messages produced may be slightly different now, and we may have slightly different short circuiting behavior with different usage models of the verifier, but generally everything works equivalently and this unblocks wiring the verifier up to the new pass manager. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199569 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't refuse to transform constexpr(call(arg, ...)) to call(constexpr(arg), ↵Nick Lewycky2014-01-18
| | | | | | ...)) just because the function has multiple return values even if their return types are the same. Patch by Eduard Burtescu! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199564 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: Let the assembler reject v5 instructions in v4 mode.Benjamin Kramer2014-01-18
| | | | | | PR18524. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199559 91177308-0d34-0410-b5e6-96231b3b80d8
* [CMake] Add llvm-tblgen to dependencies of check-llvm.NAKAMURA Takumi2014-01-18
| | | | | | | llvm-tblgen is not built when external LLVM_TABLEGEN is specified. Even then, llvm-tblgen should be built for testing tblgen itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199558 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Make the (fmul X, -1.0) -> (fsub -0.0, X) transform handle ↵Benjamin Kramer2014-01-18
| | | | | | | | vectors too. PR18532. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199553 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug info (LTO): Move the creation of accessibility flags toAdrian Prantl2014-01-18
| | | | | | | | | getOrCreateSubprogramDIE to avoid attributes being added twice when DIEs are merged. rdar://problem/15842330. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199536 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix more instances of dropped fast math flags when optimizing FADD ↵Owen Anderson2014-01-18
| | | | | | instructions. All found by inspection (aka grep). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199528 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an inalloca flag to allocasReid Kleckner2014-01-17
| | | | | | | | | | | | | | | | Summary: The only current use of this flag is to mark the alloca as dynamic, even if its in the entry block. The stack adjustment for the alloca can never be folded into the prologue because the call may clear it and it has to be allocated at the top of the stack. Reviewers: majnemer CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2571 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199525 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-objdump/COFF: Print ordinal base number.Rui Ueyama2014-01-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199518 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two new calling conventions for runtime callsJuergen Ributzka2014-01-17
| | | | | | | | | | | | | | This patch adds two new target-independent calling conventions for runtime calls - PreserveMost and PreserveAll. The target-specific implementation for X86-64 is defined as following: - Arguments are passed as for the default C calling convention - The same applies for the return value(s) - PreserveMost preserves all GPRs - except R11 - PreserveAll preserves all GPRs and all XMMs/YMMs - except R11 Reviewed by Lang and Philip git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199508 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Correct pattern for LSADaniel Sanders2014-01-17
| | | | | | | | | | | | | | Summary: $rs and $rt were the wrong way round in the .td and the testcase wasn't strict enough to detect the mistake. Reviewers: matheusalmeida Reviewed By: matheusalmeida Differential Revision: http://llvm-reviews.chandlerc.com/D2554 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199498 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MLA alias for ARMv4 support.Renato Golin2014-01-17
| | | | | | | | | | Fix MLA defs to use register class GPRnopc. Add encoding tests for multiply instructions. (Alias for MUL/SMLAL/UMLAL added by r199026.) Patch by Zhaoshi. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199491 91177308-0d34-0410-b5e6-96231b3b80d8
* [asan] extend asan-coverage (still experimental).Kostya Serebryany2014-01-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - add a mode for collecting per-block coverage (-asan-coverage=2). So far the implementation is naive (all blocks are instrumented), the performance overhead on top of asan could be as high as 30%. - Make sure the one-time calls to __sanitizer_cov are moved to function buttom, which in turn required to copy the original debug info into the call insn. Here is the performance data on SPEC 2006 (train data, comparing asan with asan-coverage={0,1,2}): asan+cov0 asan+cov1 diff 0-1 asan+cov2 diff 0-2 diff 1-2 400.perlbench, 65.60, 65.80, 1.00, 76.20, 1.16, 1.16 401.bzip2, 65.10, 65.50, 1.01, 75.90, 1.17, 1.16 403.gcc, 1.64, 1.69, 1.03, 2.04, 1.24, 1.21 429.mcf, 21.90, 22.60, 1.03, 23.20, 1.06, 1.03 445.gobmk, 166.00, 169.00, 1.02, 205.00, 1.23, 1.21 456.hmmer, 88.30, 87.90, 1.00, 91.00, 1.03, 1.04 458.sjeng, 210.00, 222.00, 1.06, 258.00, 1.23, 1.16 462.libquantum, 1.73, 1.75, 1.01, 2.11, 1.22, 1.21 464.h264ref, 147.00, 152.00, 1.03, 160.00, 1.09, 1.05 471.omnetpp, 115.00, 116.00, 1.01, 140.00, 1.22, 1.21 473.astar, 133.00, 131.00, 0.98, 142.00, 1.07, 1.08 483.xalancbmk, 118.00, 120.00, 1.02, 154.00, 1.31, 1.28 433.milc, 19.80, 20.00, 1.01, 20.10, 1.02, 1.01 444.namd, 16.20, 16.20, 1.00, 17.60, 1.09, 1.09 447.dealII, 41.80, 42.20, 1.01, 43.50, 1.04, 1.03 450.soplex, 7.51, 7.82, 1.04, 8.25, 1.10, 1.05 453.povray, 14.00, 14.40, 1.03, 15.80, 1.13, 1.10 470.lbm, 33.30, 34.10, 1.02, 34.10, 1.02, 1.00 482.sphinx3, 12.40, 12.30, 0.99, 13.00, 1.05, 1.06 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199488 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64 NEON] Expand vector for UDIV/SDIV/UREM/SREM/FREM as neon doesn't ↵Kevin Qin2014-01-17
| | | | | | support these operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199485 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach x86 asm parser to handle 'opaque ptr' in Intel syntax.Craig Topper2014-01-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199477 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach X86 asm parser to understand 'ZMMWORD PTR' in Intel syntax.Craig Topper2014-01-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199476 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix intel syntax for 64-bit version of FXSAVE/FXRSTOR to use '64' suffix ↵Craig Topper2014-01-17
| | | | | | instead of 'q' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199474 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64]Fix the problem can't select f16_to_f32 and f32_to_f16.Hao Liu2014-01-17
| | | | | | | | Also add copy support for FPR16. Also add a missing test case file belongs to commit r197361. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199463 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64 NEON] Custom lower conversion between vector integer and vector ↵Kevin Qin2014-01-17
| | | | | | floating point if element bit-width doesn't match. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199462 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64]Fix the problem can't select concat_vectors of two v1i32 types.Hao Liu2014-01-17
| | | | | | | Also fix the problem can't select scalar_to_vector from f32 to v2f32/v4f32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199461 91177308-0d34-0410-b5e6-96231b3b80d8
* Change inalloca rules to make it only apply to the last parameterReid Kleckner2014-01-16
| | | | | | | | | | | This makes things a lot easier, because we can now talk about the "argument allocation", which allocates all the memory for the call in one shot. The only functional change is to the verifier for a feature that hasn't shipped yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199434 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix two cases where we could lose fast math flags when optimizing FADD ↵Owen Anderson2014-01-16
| | | | | | expressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199427 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an instance where we would drop fast math flags when performing an fdiv ↵Owen Anderson2014-01-16
| | | | | | to reciprocal multiply transformation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199425 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in InstCombine where we failed to preserve fast math flags when ↵Owen Anderson2014-01-16
| | | | | | optimizing an FMUL expression. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199424 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-objdump/COFF: Print DLL name in the export table header.Rui Ueyama2014-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199422 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach InstCombine that (fmul X, -1.0) can be simplified to (fneg X), which ↵Owen Anderson2014-01-16
| | | | | | LLVM expresses as (fsub -0.0, X). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199420 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: make mangled name heuristic apply to all symbolsEd Maste2014-01-16
| | | | | | | | PR: http://llvm.org/pr18431 Review: http://llvm-reviews.chandlerc.com/D2552 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199404 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the xscale build attribute test to the proper place and remove the old one.Amara Emerson2014-01-16
| | | | | | | The encoding of build attributes is already tested in CodeGen/ARM/build-attributes-encoding.s git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199393 91177308-0d34-0410-b5e6-96231b3b80d8
* For ARM, fix assertuib failures for some ld/st 3/4 instruction with wirteback.Jiangning Liu2014-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199369 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: fixed a compare patternElena Demikhovsky2014-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199366 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow x86 mov instructions to/from memory with absolute address to be ↵Craig Topper2014-01-16
| | | | | | encoded and disassembled with a segment override prefix. Fixes PR16962. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199364 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo: : not ;Bill Wendling2014-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199359 91177308-0d34-0410-b5e6-96231b3b80d8
* llmv-objdump/COFF: Print export table contents.Rui Ueyama2014-01-16
| | | | | | | | | | | | | | | | This patch adds the capability to dump export table contents. An example output is this: Export Table: Ordinal RVA Name 5 0x2008 exportfn1 6 0x2010 exportfn2 By adding this feature to llvm-objdump, we will be able to use it to check export table contents in LLD's tests. Currently we are doing binary comparison in the tests, which is fragile and not readable to humans. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199358 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert test to FileCheck.Rafael Espindola2014-01-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199355 91177308-0d34-0410-b5e6-96231b3b80d8
* BasicAA: We need to check both access sizes when comparing a gep and anArnold Schwaighofer2014-01-16
| | | | | | | | underlying object of unknown size. Fixes PR18460. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199351 91177308-0d34-0410-b5e6-96231b3b80d8
* Report a warning when dropping outdated debug info metadata.Manman Ren2014-01-16
| | | | | | | Use DiagnosticInfo to emit the warning. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199346 91177308-0d34-0410-b5e6-96231b3b80d8
* Adjust offsets for max load instruction offsets. This is more pessimisticReed Kotler2014-01-16
| | | | | | | | | | | than it needs to be by 1 bit but I need to finish some other things so that all the boundary cases will work in that situation. constpool.c in test-suite will fail to assemble under our new internal test-suite sync without this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199343 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix parsing of .symver directive on ARMDavid Peixotto2014-01-15
| | | | | | | | | | | | | | | | ARM assembly syntax uses @ for a comment, execpt for the second parameter of the .symver directive which requires @ as part of the symbol name. This commit fixes the parsing of this directive by adding a special case for ARM for this one argumnet. To make the change we had to move the AllowAtInIdentifier variable to the MCAsmLexer interface (from AsmLexer) and expose a setter for the value. The ELFAsmParser then toggles this value when parsing the second argument to the .symver directive for a target that uses @ as a comment symbol git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199339 91177308-0d34-0410-b5e6-96231b3b80d8
* Update test/CodeGen/X86/vbinop-simplify-bug.ll.Andrea Di Biagio2014-01-15
| | | | | | | Redirect the output of llc to /dev/null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199329 91177308-0d34-0410-b5e6-96231b3b80d8
* [DAGCombiner] Fix a wrong check in method SimplifyVBinOp.Andrea Di Biagio2014-01-15
| | | | | | | | | | | | | | | | | | | | | This fixes a regression intruced by r199135. Revision 199135 tried to simplify part of the logic in method DAGCombiner::SimplifyVBinOp introducing calls to method BuildVectorSDNode::isConstant(). However, that revision wrongly changed the check performed by method SimplifyVBinOp to identify dag nodes that can be folded. Before revision 199135, that method only tried to simplify vector binary operations if both operands were build_vector of Constant/ConstantFP/Undef only. After revision 199135, method SimplifyVBinop tried to simplify also vector binary operations with only one constant operand. This fixes the problem restoring the old behavior of SimplifyVBinOp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199328 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the X86 assembler for .intel_syntax to acceptKevin Enderby2014-01-15
| | | | | | | | | the | and & bitwise operators. rdar://15570412 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199323 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure we create a new archive by deleting any stale ones first.Rafael Espindola2014-01-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199319 91177308-0d34-0410-b5e6-96231b3b80d8
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