GitHub pull request #2643 of commit 21adbbf9789685893a2278abc4970085f51e6fbf, no merge conflicts.sha1origin/pr/2643/mergeghprbActualCommit21adbbf9789685893a2278abc4970085f51e6fbfghprbActualCommitAuthorYonghong SongghprbActualCommitAuthorEmailyhs@fb.comghprbAuthorRepoGitUrlhttps://github.com/iovisor/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginghprbTriggerAuthorLoginMentionghprbPullId2643ghprbTargetBranchmasterghprbSourceBranchyhs_dev2GIT_BRANCHyhs_dev2ghprbPullAuthorEmailghprbPullAuthorLoginyonghong-songghprbPullAuthorLoginMention@yonghong-songghprbPullDescriptionGitHub pull request #2643 of commit 21adbbf9789685893a2278abc4970085f51e6fbf, no merge conflicts.ghprbPullTitlefix a compilation error with latest llvm 10ghprbPullLinkhttps://github.com/iovisor/bcc/pull/2643ghprbPullLongDescriptionTwo issues:\r\nFirst, the recent llvm commit \"[Alignment][NFC] CreateMemSet use MaybeAlign\"\r\n(https://reviews.llvm.org/D71213) changed IR/IRBuilder.h\r\nCreateMemSet() signature which caused the following compilation error:\r\n```\r\n [ 16%] Building CXX object src/cc/frontends/b/CMakeFiles/b_frontend.dir/codegen_llvm.cc.o\r\n /home/yhs/work/bcc/src/cc/frontends/b/codegen_llvm.cc: In member function\r\n ‘virtual ebpf::StatusTuple ebpf::cc::CodegenLLVM::visit_table_index_expr_node(ebpf::cc::TableIndexExprNode*)’:\r\n /home/yhs/work/bcc/src/cc/frontends/b/codegen_llvm.cc:824:96: error: no matching function for call to\r\n ‘llvm::IRBuilder<>::CreateMemSet(llvm::Value*&, llvm::ConstantInt*, llvm::ConstantInt*, int)’\r\n B.CreateMemSet(leaf_ptr, B.getInt8(0), B.getInt64(n->table_->leaf_id()->bit_width_ >> 3), 1);\r\n ^\r\n ....\r\n /home/yhs/work/llvm-project/llvm/build/install/include/llvm/IR/IRBuilder.h:460:13: note: candidate:\r\n llvm::CallInst* llvm::IRBuilderBase::CreateMemSet(llvm::Value*, llvm::Value*, llvm::Value*,\r\n llvm::MaybeAlign, bool, llvm::MDNode*, llvm::MDNode*, llvm::MDNode*)\r\n CallInst *CreateMemSet(Value *Ptr, Value *Val, Value *Size, MaybeAlign Align,\r\n ^~~~~~~~~~~~\r\n /home/yhs/work/llvm-project/llvm/build/install/include/llvm/IR/IRBuilder.h:460:13: note:\r\n no known conversion for argument 4 from ‘int’ to ‘llvm::MaybeAlign’\r\n```\r\nSecond, the commit \"[OpenMP][NFCI] Introduce llvm/IR/OpenMPConstants.h\"\r\n(https://reviews.llvm.org/D69853) introduced a new library \"FrontendOpenMP\"\r\nwhich is used by clang Parser, and caused the following errors:\r\n```\r\n [ 99%] Building CXX object tests/cc/CMakeFiles/test_libbcc.dir/test_hash_table.cc.o\r\n /home/yhs/work/llvm-project/llvm/build/install/lib/libclangParse.a(ParseOpenMP.cpp.o): In function\r\n `clang::Parser::ParseOpenMPDeclareReductionDirective(clang::AccessSpecifier)':\r\n ParseOpenMP.cpp:(.text._ZN5clang6Parser36ParseOpenMPDeclareReductionDirectiveENS_15AccessSpecifierE+0x86):\r\n undefined reference to `llvm::omp::getOpenMPDirectiveName(llvm::omp::Directive)'\r\n```\r\n\r\nThis patch fixed both issues and bcc can compile with latest llvm 10.ghprbCommentBodynullghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="fix a compilation error with latest llvm 10" href="https://github.com/iovisor/bcc/pull/2643">PR #2643</a>: fix a compilation error wit...#16811528607460664bcc-pr #168168false1681372SUCCESS1575998703453https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/168/git168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc25/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc26/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc27/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=fc28/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1604/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1710/168/168https://buildbot.iovisor.org/jenkins/user/davemarchevsky/my-views/view/all/job/bcc-pr/label=ubuntu1804/168/