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* Add optimization bisect opt-in calls for AArch64 passesAndrew Kaylor2016-04-2512-0/+34
| | | | | | Differential Revision: http://reviews.llvm.org/D19394 llvm-svn: 267479
* Add accidentally deleted "break"Krzysztof Parzyszek2016-04-251-0/+1
| | | | llvm-svn: 267476
* [ORC] clang-format code that was touched in r267457. NFC.Lang Hames2016-04-2511-402/+322
| | | | | | | Commit r267457 made a lot of type-substitutions threw off code formatting and alignment. This patch should tidy those changes up. llvm-svn: 267475
* ARM: put extern __thread stubs in a special section.Tim Northover2016-04-259-2/+113
| | | | | | | The linker needs to know that the symbols are thread-local to do its job properly. llvm-svn: 267473
* [ThinLTO] Introduce typedef for commonly-used map type (NFC)Teresa Johnson2016-04-255-30/+21
| | | | | | | | Add a typedef for the std::map<GlobalValue::GUID, GlobalValueSummary *> map that is passed around to identify summaries for values defined in a particular module. This shortens up declarations in a variety of places. llvm-svn: 267471
* [Hexagon] Few fixes for exception handlingKrzysztof Parzyszek2016-04-253-1/+13
| | | | llvm-svn: 267469
* Re-apply r267206 with a fix for the encoding problem: when the immediate ofQuentin Colombet2016-04-252-8/+66
| | | | | | | | | | | | | | | | | | log2(Mask) is smaller than 32, we must use the 32-bit variant because the 64-bit variant cannot encode it. Therefore, set the subreg part accordingly. [AArch64] Fix optimizeCondBranch logic. The opcode for the optimized branch does not depend on the size of the activate bits in the AND masks, but the AND opcode itself. Indeed, we need to use a X or W variant based on the AND variant not based on whether the mask fits into the related variant. Otherwise, we may end up using the W variant of the optimized branch for 64-bit register inputs! This fixes the last make check verifier issues for AArch64: PR27479. llvm-svn: 267465
* Cleanup redundant expression in InstCombineAndOrXor.Etienne Bergeron2016-04-251-2/+0
| | | | | | | | | | | | | | | Summary: The expression is redundant on both side of operator |. detected by : http://reviews.llvm.org/D19451 Reviewers: rnk, majnemer Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D19459 llvm-svn: 267458
* [ORC] Thread Error/Expected through the RPC library.Lang Hames2016-04-2518-534/+622
| | | | | | | | | | This replaces use of std::error_code and ErrorOr in the ORC RPC support library with Error and Expected. This required updating the OrcRemoteTarget API, Client, and server code, as well as updating the Orc C API. This patch also fixes several instances where Errors were dropped. llvm-svn: 267457
* AMDGPU/SI: Optimize adjacent s_nop instructionsMatt Arsenault2016-04-251-0/+27
| | | | | | | | | | | | Use the operand for how long to wait. This is somewhat distasteful, since it would be better to just emit s_nop with the right argument in the first place. This would require changing TII::insertNoop to emit N operands, which would be easy. Slightly more problematic is the post-RA scheduler and hazard recognizer represent nops as a single null node, and would require inventing another way of representing N nops. llvm-svn: 267456
* [libFuzzer] remove dead codeKostya Serebryany2016-04-252-5/+2
| | | | llvm-svn: 267455
* AMDGPU: Implement addrspacecastMatt Arsenault2016-04-258-93/+398
| | | | llvm-svn: 267452
* AMDGPU: Add queue ptr intrinsicMatt Arsenault2016-04-257-3/+52
| | | | llvm-svn: 267451
* Add useful helpers to AddrSpaceCastInstMatt Arsenault2016-04-251-0/+25
| | | | llvm-svn: 267450
* AMDGPU: Add DAG to debug dumpMatt Arsenault2016-04-251-2/+2
| | | | | | Also reorder case to match enum order llvm-svn: 267449
* [Support] Fix latent bugs in Expected and ExitOnError that were preventing themLang Hames2016-04-252-3/+24
| | | | | | from working with reference types. llvm-svn: 267448
* [LVI] Clarify comments describing the lattice valuesPhilip Reames2016-04-251-5/+10
| | | | | | There has been much recent confusion about the partition in the lattice between constant and non-constant values. Hopefully, documenting this will prevent confusion going forward. llvm-svn: 267440
* [LVI] Split solveBlockValueConstantRange into two [NFC]Philip Reames2016-04-251-31/+63
| | | | | | This function handled both unary and binary operators. Cloning and specializing leads to much easier to follow code with minimal duplicatation. llvm-svn: 267438
* [gold] Fix linkInModule and extend common.ll test.Evgeniy Stepanov2016-04-255-12/+32
| | | | | | | | | | Fix early exit from linkInModule. IRMover::move returns false on success and true on error. Add a few more cases of merged common linkage variables with different sizes and alignments. llvm-svn: 267437
* Fix typo from r267432.Chad Rosier2016-04-251-2/+2
| | | | llvm-svn: 267436
* [Hexagon] Use llvm-mc instead of llc in an MC testcaseKrzysztof Parzyszek2016-04-251-0/+9
| | | | | | Remember to svn add the new file. llvm-svn: 267435
* [Hexagon] Use llvm-mc instead of llc in an MC testcaseKrzysztof Parzyszek2016-04-251-9/+0
| | | | llvm-svn: 267434
* [Hexagon] Register save/restore functions do not follow regular conventionsKrzysztof Parzyszek2016-04-255-45/+123
| | | | | | Do not mark them as modifying any of the volatile registers by default. llvm-svn: 267433
* [ValueTracking] Add an additional test case for r266767 where one operand is ↵Chad Rosier2016-04-251-0/+24
| | | | | | a const. llvm-svn: 267432
* Resubmit "Refactor raw pdb dumper into library"Zachary Turner2016-04-2513-348/+737
| | | | | | | This fixes a number of endianness issues as well as an ODR violation that hopefully causes everything to be happy. llvm-svn: 267431
* [ValueTracking] Improve isImpliedCondition when the dominating cond is false.Chad Rosier2016-04-256-13/+409
| | | | llvm-svn: 267430
* [gold-plugin] Remove dead assignment. NFC.Davide Italiano2016-04-251-1/+0
| | | | llvm-svn: 267429
* [ELFRelocs] Other architectures do not have *_NUM reloc.Davide Italiano2016-04-251-1/+0
| | | | | | | It also seems to be unused. Get rid of it. Thanks to Rafael for pointing out. llvm-svn: 267428
* dsymutil: Only warn about clang module DWO id mismatches in verbose mode.Adrian Prantl2016-04-252-2/+5
| | | | | | | | | | Until PR27449 (https://llvm.org/bugs/show_bug.cgi?id=27449) is fixed in clang this warning is pointless, since ASTFileSignatures will change randomly when a module is rebuilt. rdar://problem/25610919 llvm-svn: 267427
* add tests for potential CGP transform (PR27344)Sanjay Patel2016-04-251-0/+32
| | | | llvm-svn: 267426
* [lanai] Expand findClosestSuitableAluInstr check to consider offset register.Jacques Pienaar2016-04-251-3/+6
| | | | | | Previously findClosestSuitableAluInstr was only considering the base register when checking the current instruction for suitability. Expand check to consider the offset if the offset is a register. llvm-svn: 267424
* [PR27390] [CodeGen] Reject indexed loads in CombinerDAG.Marcin Koscielnicki2016-04-253-3/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | visitAND, when folding and (load) forgets to check which output of an indexed load is involved, happily folding the updated address output on the following testcase: target datalayout = "e-m:e-i64:64-n32:64" target triple = "powerpc64le-unknown-linux-gnu" %typ = type { i32, i32 } define signext i32 @_Z8access_pP1Tc(%typ* %p, i8 zeroext %type) { %b = getelementptr inbounds %typ, %typ* %p, i64 0, i32 1 %1 = load i32, i32* %b, align 4 %2 = ptrtoint i32* %b to i64 %3 = and i64 %2, -35184372088833 %4 = inttoptr i64 %3 to i32* %_msld = load i32, i32* %4, align 4 %zzz = add i32 %1, %_msld ret i32 %zzz } Fix this by checking ResNo. I've found a few more places that currently neglect to check for indexed load, and tightened them up as well, but I don't have test cases for them. In fact, they might not be triggerable at all, at least with current targets. Still, better safe than sorry. Differential Revision: http://reviews.llvm.org/D19202 llvm-svn: 267420
* [mips][microMIPS] Revert commit r267137Hrvoje Varga2016-04-2510-32/+5
| | | | | | Commit r267137 was the reason for failing tests in LLVM test suite. llvm-svn: 267419
* [mips][microMIPS] Revert commit r266977Zlatko Buljan2016-04-2516-137/+9
| | | | | | Commit r266977 was reason for failing LLVM test suite with error message: fatal error: error in backend: Cannot select: t17: i32 = rotr t2, t11 ... llvm-svn: 267418
* [x86] auto-generate checks for cmov testsSanjay Patel2016-04-251-14/+32
| | | | llvm-svn: 267417
* Fix incorrect redundant expression in target AMDGPU.Etienne Bergeron2016-04-251-1/+1
| | | | | | | | | | | | | | | | | | | Summary: The expression is detected as a redundant expression. Turn out, this is probably a bug. ``` /home/etienneb/llvm/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp:306:26: warning: both side of operator are equivalent [misc-redundant-expression] if (isSMRD(*FirstLdSt) && isSMRD(*FirstLdSt)) { ``` Reviewers: rnk, tstellarAMD Subscribers: arsenm, cfe-commits Differential Revision: http://reviews.llvm.org/D19460 llvm-svn: 267415
* [WinEH] Update SplitAnalysis::computeLastSplitPoint to cope with multiple EH ↵David Majnemer2016-04-255-18/+87
| | | | | | | | | | | | | | | | | | | successors We didn't have logic to correctly handle CFGs where there was more than one EH-pad successor (these are novel with WinEH). There were situations where a register was live in one exceptional successor but not another but the code as written would only consider the first exceptional successor it found. This resulted in split points which were insufficiently early if an invoke was present. This fixes PR27501. N.B. This removes getLandingPadSuccessor. llvm-svn: 267412
* [ARM] Add support for the X asm constraintSilviu Baranga2016-04-254-0/+200
| | | | | | | | | | | | | | | | | | Summary: This patch adds support for the X asm constraint. To do this, we lower the constraint to either a "w" or "r" constraint depending on the operand type (both constraints are supported on ARM). Fixes PR26493 Reviewers: t.p.northover, echristo, rengolin Subscribers: joker.eph, jgreenhalgh, aemerson, rengolin, llvm-commits Differential Revision: http://reviews.llvm.org/D19061 llvm-svn: 267411
* [AMDGPU][llvm-mc] s_getreg/setreg* - Add hwreg(...) syntax.Artem Tamazov2016-04-259-15/+183
| | | | | | | | | | | | | Added hwreg(reg[,offset,width]) syntax. Default offset = 0, default width = 32. Possibility to specify 16-bit immediate kept. Added out-of-range checks. Disassembling is always to hwreg(...) format. Tests updated/added. Differential Revision: http://reviews.llvm.org/D19329 llvm-svn: 267410
* Test commit: modified comment. NFCAnna Thomas2016-04-251-1/+1
| | | | llvm-svn: 267406
* Typo. NFC.Chad Rosier2016-04-251-1/+1
| | | | llvm-svn: 267399
* [Hexagon] Correctly set "Flags" in ELF headerKrzysztof Parzyszek2016-04-252-3/+16
| | | | llvm-svn: 267397
* [GlobalOpt] Allow constant globals to be SRA'dJames Molloy2016-04-252-5/+30
| | | | | | | | The current logic assumes that any constant global will never be SRA'd. I presume this is because normally constant globals can be pushed into their uses and deleted. However, that sometimes can't happen (which is where you really want SRA, so the elements that can be eliminated, are!). There seems to be no reason why we can't SRA constants too, so let's do it. llvm-svn: 267393
* [Coverage] Restore the correct count value after processing a nested region ↵Igor Kudrin2016-04-254-46/+80
| | | | | | | | | | | | | in case of combined regions. If several regions cover the same area of code, we have to restore the combined value for that area when return from a nested region. This patch achieves that by combining regions before calling buildSegments. Differential Revision: http://reviews.llvm.org/D18610 llvm-svn: 267390
* [SCEV] Improve the run-time checking of the NoWrap predicateSilviu Baranga2016-04-252-31/+190
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This implements a new method of run-time checking the NoWrap SCEV predicates, which should be easier to optimize and nicer for targets that don't correctly handle multiplication/addition of large integer types (like i128). If the AddRec is {a,+,b} and the backedge taken count is c, the idea is to check that |b| * c doesn't have unsigned overflow, and depending on the sign of b, that: a + |b| * c >= a (b >= 0) or a - |b| * c <= a (b <= 0) where the comparisons above are signed or unsigned, depending on the flag that we're checking. The advantage of doing this is that we avoid extending to a larger type and we avoid the multiplication of large types (multiplying i128 can be expensive). Reviewers: sanjoy Subscribers: llvm-commits, mzolotukhin Differential Revision: http://reviews.llvm.org/D19266 llvm-svn: 267389
* [PowerPC] [PR27387] Disallow r0 for ADD8TLS.Marcin Koscielnicki2016-04-252-2/+47
| | | | | | | | | | | ADD8TLS, a variant of add instruction used for initial-exec TLS, currently accepts r0 as a source register. While add itself supports r0 just fine, linker can relax it to a local-exec sequence, converting it to addi - which doesn't support r0. Differential Revision: http://reviews.llvm.org/D19193 llvm-svn: 267388
* Run GlobalOpt before emitting the bitcode for ThinLTOMehdi Amini2016-04-251-0/+2
| | | | | | | | This is motivated by reducing the size of the IR and thus reduce compile time. From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 267385
* ThinLTO: Move createNameAnonFunctionPass insertion in PassManagerBuilder (NFC)Mehdi Amini2016-04-251-3/+4
| | | | | | | It is just code motion, but makes more sense this way. From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 267384
* fix commentsIgor Breger2016-04-251-2/+1
| | | | | | | related to Differential Revision: http://reviews.llvm.org/D17913 llvm-svn: 267383
* Fixing wrong mask size error. From __mmask8 to __mmask16.Michael Zuckerman2016-04-252-6/+6
| | | | | | | Was reviewed over the shoulder by AsafBadouh. Connected to review http://reviews.llvm.org/D19195. llvm-svn: 267379
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