Changes

Summary

[DAG] Add helper for creating constant vector index with correct type. (details)
[Concepts] Requires Expressions (details)

Commit 6d0d86a64d304d4fbeeadd13f56b6ca559f45921 by michael.hliao [DAG] Add helper for creating constant vector index with correct type. NFC.
	llvm/lib/Target/PowerPC/PPCISelLowering.cpp
	llvm/include/llvm/CodeGen/SelectionDAG.h
	llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
	llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
	llvm/lib/Target/X86/X86ISelLowering.cpp
	llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
	llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
	llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
	llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
	llvm/lib/Target/AMDGPU/SIISelLowering.cpp
	llvm/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
	llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
	llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
	llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
	llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
Commit 027931899763409e2c61a84bdee6057b5e838ffa by saar [Concepts] Requires Expressions Implement support for C++2a requires-expressions. Differential Revision: https://reviews.llvm.org/D50360
	clang/lib/AST/CMakeLists.txt
	clang/lib/AST/ExprConcepts.cpp
	clang/include/clang/Basic/StmtNodes.td
	clang/lib/Sema/TreeTransform.h
	clang/include/clang/AST/ASTConcept.h
	clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
	clang/test/SemaTemplate/instantiate-requires-expr.cpp
	clang/lib/AST/ExprClassification.cpp
	clang/lib/Sema/SemaLookup.cpp
	clang/lib/Serialization/ASTWriterStmt.cpp
	clang/lib/Frontend/FrontendActions.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/type-requirement.cpp
	clang/include/clang/Basic/DiagnosticSemaKinds.td
	clang/lib/Sema/SemaDecl.cpp
	clang/include/clang/Sema/DeclSpec.h
	clang/lib/AST/DeclCXX.cpp
	clang/include/clang/AST/RecursiveASTVisitor.h
	clang/lib/Sema/SemaConcept.cpp
	clang/lib/Sema/Sema.cpp
	clang/include/clang/AST/DeclCXX.h
	clang/lib/Serialization/ASTWriter.cpp
	clang/lib/AST/DeclBase.cpp
	clang/lib/Serialization/ASTCommon.cpp
	clang/tools/libclang/CXCursor.cpp
	clang/lib/AST/Expr.cpp
	clang/lib/CodeGen/CGExprScalar.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/compound-requirement.cpp
	clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
	clang/lib/Frontend/InitPreprocessor.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/equivalence.cpp
	clang/include/clang/Parse/Parser.h
	clang/lib/Parse/ParseDecl.cpp
	clang/lib/Serialization/ASTWriterDecl.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/p3.cpp
	clang/include/clang/AST/Stmt.h
	clang/lib/Sema/SemaExpr.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/nested-requirement.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/requires-expr.cpp
	clang/include/clang/AST/ExprCXX.h
	clang/lib/CodeGen/CGDecl.cpp
	clang/lib/Sema/SemaTemplateInstantiate.cpp
	clang/include/clang/AST/ExprConcepts.h
	clang/lib/AST/Stmt.cpp
	clang/include/clang/AST/StmtVisitor.h
	clang/include/clang/Basic/DiagnosticParseKinds.td
	clang/lib/AST/ExprConstant.cpp
	clang/test/CXX/expr/expr.prim/expr.prim.req/simple-requirement.cpp
	clang/lib/Sema/SemaTemplate.cpp
	clang/include/clang/Serialization/ASTBitCodes.h
	clang/lib/Serialization/ASTReaderStmt.cpp
	clang/lib/AST/ExprCXX.cpp
	clang/test/Parser/cxx2a-concepts-requires-expr.cpp
	clang/lib/Sema/SemaExprCXX.cpp
	clang/test/PCH/cxx2a-requires-expr.cpp
	clang/lib/Parse/ParseExprCXX.cpp
	clang/tools/libclang/CIndex.cpp
	clang/include/clang/Sema/SemaConcept.h
	clang/lib/AST/ItaniumMangle.cpp
	clang/lib/Parse/ParseExpr.cpp
	clang/lib/Serialization/ASTReaderDecl.cpp
	clang/lib/AST/StmtProfile.cpp
	clang/lib/Sema/SemaExceptionSpec.cpp
	clang/include/clang/Sema/Sema.h
	clang/include/clang/Basic/DeclNodes.td
	clang/lib/Sema/SemaType.cpp
	clang/lib/AST/StmtPrinter.cpp