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Add ninja to the build requirements #12
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chelini
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Jan 26, 2020
This reverts commit e57a9ab. Parser/cxx2a-placeholder-type-constraint.cpp has MSan failures. Present at 7b81c3f: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap-msan/builds/17133/steps/check-clang%20msan/logs/stdio not present at eaa594f: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap-msan/builds/17132/steps/check-clang%20msan/logs/stdio Stack trace: ``` ==57032==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0xccfe016 in clang::AutoTypeLoc::getLocalSourceRange() const /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/AST/TypeLoc.h:2036:19 #1 0xcc56758 in CheckDeducedPlaceholderConstraints(clang::Sema&, clang::AutoType const&, clang::AutoTypeLoc, clang::QualType) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaTemplateDeduction.cpp:4505:56 #2 0xcc550ce in clang::Sema::DeduceAutoType(clang::TypeLoc, clang::Expr*&, clang::QualType&, llvm::Optional<unsigned int>, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaTemplateDeduction.cpp:4707:11 #3 0xcc52407 in clang::Sema::DeduceAutoType(clang::TypeSourceInfo*, clang::Expr*&, clang::QualType&, llvm::Optional<unsigned int>, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaTemplateDeduction.cpp:4457:10 #4 0xba38332 in clang::Sema::deduceVarTypeFromInitializer(clang::VarDecl*, clang::DeclarationName, clang::QualType, clang::TypeSourceInfo*, clang::SourceRange, bool, clang::Expr*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:11351:7 #5 0xba3a8a9 in clang::Sema::DeduceVariableDeclarationType(clang::VarDecl*, bool, clang::Expr*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:11385:26 #6 0xba3c520 in clang::Sema::AddInitializerToDecl(clang::Decl*, clang::Expr*, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:11725:9 #7 0xb39c498 in clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:2399:17 #8 0xb394d80 in clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:2128:21 #9 0xb383bbf in clang::Parser::ParseSimpleDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&, bool, clang::Parser::ForRangeInit*, clang::SourceLocation*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:1848:10 #10 0xb383129 in clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&, clang::SourceLocation*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/PointerUnion.h #11 0xb53a388 in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:221:13 tensorflow#12 0xb539309 in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:106:20 tensorflow#13 0xb55610e in clang::Parser::ParseCompoundStatementBody(bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:1079:11 tensorflow#14 0xb559529 in clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:2204:21 tensorflow#15 0xb33c13e in clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:1339:10 tensorflow#16 0xb394703 in clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:2068:11 tensorflow#17 0xb338e52 in clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:1099:10 tensorflow#18 0xb337674 in clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec*, clang::AccessSpecifier) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:1115:12 tensorflow#19 0xb334a96 in clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:935:12 tensorflow#20 0xb32f12a in clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/Parser.cpp:686:12 tensorflow#21 0xb31e193 in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseAST.cpp:158:20 tensorflow#22 0x80263f0 in clang::FrontendAction::Execute() /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:936:8 tensorflow#23 0x7f2a257 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:965:33 tensorflow#24 0x8288bef in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:290:25 tensorflow#25 0xad44c2 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/tools/driver/cc1_main.cpp:239:15 tensorflow#26 0xacd76a in ExecuteCC1Tool(llvm::ArrayRef<char const*>) /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/tools/driver/driver.cpp:325:12 tensorflow#27 0xacc9fd in main /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/clang/tools/driver/driver.cpp:398:12 tensorflow#28 0x7f7d82cdb2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0) tensorflow#29 0xa4dde9 in _start (/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang-11+0xa4dde9) ```
chelini
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to LoopTactics/mlir
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Apr 9, 2020
…RecoveryExpr. Summary: crash stack: ``` lang: workspace/llvm-project/clang/lib/AST/ExprConstant.cpp:13704: bool EvaluateInPlace(clang::APValue &, (anonymous namespace)::EvalInfo &, const (anonymous namespace)::LValue &, const clang::Expr *, bool): Assertion `!E->isValueDependent()' failed. #8 EvaluateInPlace(clang::APValue&, (anonymous namespace)::EvalInfo&, (anonymous namespace)::LValue const&, clang::Expr const*, bool) workspace/llvm-project/clang/lib/AST/ExprConstant.cpp:0:0 #9 HandleConstructorCall(clang::Expr const*, (anonymous namespace)::LValue const&, clang::APValue*, clang::CXXConstructorDecl const*, (anonymous namespace)::EvalInfo&, clang::APValue&) workspace/llvm-project/clang/lib/AST/ExprConstant.cpp:5779:57 #10 HandleConstructorCall(clang::Expr const*, (anonymous namespace)::LValue const&, llvm::ArrayRef<clang::Expr const*>, clang::CXXConstructorDecl const*, (anonymous namespace)::EvalInfo&, clang::APValue&) workspace/llvm-project/clang/lib/AST/ExprConstant.cpp:5819:10 #11 clang::Expr::isPotentialConstantExpr(clang::FunctionDecl const*, llvm::SmallVectorImpl<std::pair<clang::SourceLocation, clang::PartialDiagnostic> >&) workspace/llvm-project/clang/lib/AST/ExprConstant.cpp:14746:5 tensorflow#12 CheckConstexprFunctionBody(clang::Sema&, clang::FunctionDecl const*, clang::Stmt*, clang::Sema::CheckConstexprKind) workspace/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:2306:7 tensorflow#13 clang::Sema::CheckConstexprFunctionDefinition(clang::FunctionDecl const*, clang::Sema::CheckConstexprKind) workspace/llvm-project/clang/lib/Sema/SemaDeclCXX.cpp:1766:0 tensorflow#14 clang::Sema::ActOnFinishFunctionBody(clang::Decl*, clang::Stmt*, bool) workspace/llvm-project/clang/lib/Sema/SemaDecl.cpp:14357:9 tensorflow#15 clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) workspace/llvm-project/clang/lib/Parse/ParseStmt.cpp:2213:18 ``` Reviewers: sammccall Reviewed By: sammccall Subscribers: rsmith, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D77041
chelini
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Apr 17, 2020
Bitcode file alignment is only 32-bit so 64-bit offsets need
special handling.
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:6327:28: runtime error: load of misaligned address 0x7fca2bcfe54c for type 'const uint64_t' (aka 'const unsigned long'), which requires 8 byte alignment
0x7fca2bcfe54c: note: pointer points here
00 00 00 00 5a a6 01 00 00 00 00 00 19 a7 01 00 00 00 00 00 48 a7 01 00 00 00 00 00 7d a7 01 00
^
#0 0x3be2fe4 in clang::ASTReader::TypeCursorForIndex(unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:6327:28
#1 0x3be30a0 in clang::ASTReader::readTypeRecord(unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:6348:24
#2 0x3bd3d4a in clang::ASTReader::GetType(unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:6985:26
#3 0x3c5d9ae in clang::ASTDeclReader::Visit(clang::Decl*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReaderDecl.cpp:533:31
#4 0x3c91cac in clang::ASTReader::ReadDeclRecord(unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReaderDecl.cpp:4045:10
#5 0x3bd4fb1 in clang::ASTReader::GetDecl(unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:7352:5
#6 0x3bce2f9 in clang::ASTReader::ReadASTBlock(clang::serialization::ModuleFile&, unsigned int) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:3625:22
#7 0x3bd6d75 in clang::ASTReader::ReadAST(llvm::StringRef, clang::serialization::ModuleKind, clang::SourceLocation, unsigned int, llvm::SmallVectorImpl<clang::ASTReader::ImportedSubmodule>*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Serialization/ASTReader.cpp:4230:32
#8 0x3a6b415 in clang::CompilerInstance::createPCHExternalASTSource(llvm::StringRef, llvm::StringRef, bool, bool, clang::Preprocessor&, clang::InMemoryModuleCache&, clang::ASTContext&, clang::PCHContainerReader const&, llvm::ArrayRef<std::shared_ptr<clang::ModuleFileExtension> >, llvm::ArrayRef<std::shared_ptr<clang::DependencyCollector> >, void*, bool, bool, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:539:19
#9 0x3a6b00e in clang::CompilerInstance::createPCHExternalASTSource(llvm::StringRef, bool, bool, void*, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:501:18
#10 0x3abac80 in clang::FrontendAction::BeginSourceFile(clang::CompilerInstance&, clang::FrontendInputFile const&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:865:12
#11 0x3a6e61c in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:972:13
tensorflow#12 0x3ba74bf in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:282:25
tensorflow#13 0xa3f753 in cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/cc1_main.cpp:240:15
tensorflow#14 0xa3a68a in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:330:12
tensorflow#15 0xa37f31 in main /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:407:12
tensorflow#16 0x7fca2a7032e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
tensorflow#17 0xa21029 in _start (/b/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/clang-11+0xa21029)
This reverts commit 30d5946.
chelini
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Apr 25, 2020
This adds some extra processing into the Pre-RA ARM load/store optimizer to detect and merge MVE loads/stores and adds of the same base. This we don't always turn into a post-inc during ISel, and due to the nature of it being a graph we don't always know an order to use for the nodes, not knowing which nodes to make post-inc and which to use the new post-inc of. After ISel, we have an order that we can use to post-inc the following instructions. So this looks for a loads/store with a starting offset of 0, and an add/sub from the same base, plus a number of other loads/stores. We then do some checks and convert the zero offset load/store into a postinc variant. Any loads/stores after it have the offset subtracted from their immediates. For example: LDR #4 LDR #4 LDR #0 LDR_POSTINC tensorflow#16 LDR #8 LDR #-8 LDR tensorflow#12 LDR #-4 ADD tensorflow#16 It only handles MVE loads/stores at the moment. Normal loads/store will be added in a followup patch, they just have some extra details to ensure that we keep generating LDRD/LDM successfully. Differential Revision: https://reviews.llvm.org/D77813
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Its a small doc change since I needed to install ninja (am a llvm/ninja newbie).