Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/MC/MCSectionWasm.h b/linux-x64/clang/include/llvm/MC/MCSectionWasm.h
new file mode 100644
index 0000000..ab4cd7b
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+++ b/linux-x64/clang/include/llvm/MC/MCSectionWasm.h
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+//===- MCSectionWasm.h - Wasm Machine Code Sections -------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the MCSectionWasm class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCSECTIONWASM_H
+#define LLVM_MC_MCSECTIONWASM_H
+
+#include "llvm/ADT/Twine.h"
+#include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCSymbolWasm.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+class MCSymbol;
+
+/// This represents a section on wasm.
+class MCSectionWasm final : public MCSection {
+ /// This is the name of the section. The referenced memory is owned by
+ /// TargetLoweringObjectFileWasm's WasmUniqueMap.
+ StringRef SectionName;
+
+ unsigned UniqueID;
+
+ const MCSymbolWasm *Group;
+
+ // The offset of the MC function/data section in the wasm code/data section.
+ // For data relocations the offset is relative to start of the data payload
+ // itself and does not include the size of the section header.
+ uint64_t SectionOffset = 0;
+
+ // For data sections, this is the index of of the corresponding wasm data
+ // segment
+ uint32_t SegmentIndex = 0;
+
+ friend class MCContext;
+ MCSectionWasm(StringRef Section, SectionKind K, const MCSymbolWasm *group,
+ unsigned UniqueID, MCSymbol *Begin)
+ : MCSection(SV_Wasm, K, Begin), SectionName(Section), UniqueID(UniqueID),
+ Group(group) {}
+
+ void setSectionName(StringRef Name) { SectionName = Name; }
+
+public:
+ ~MCSectionWasm();
+
+ /// Decides whether a '.section' directive should be printed before the
+ /// section name
+ bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
+
+ StringRef getSectionName() const { return SectionName; }
+ const MCSymbolWasm *getGroup() const { return Group; }
+
+ void PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
+ raw_ostream &OS,
+ const MCExpr *Subsection) const override;
+ bool UseCodeAlign() const override;
+ bool isVirtualSection() const override;
+
+ bool isWasmData() const {
+ return Kind.isGlobalWriteableData() || Kind.isReadOnly();
+ }
+
+ bool isUnique() const { return UniqueID != ~0U; }
+ unsigned getUniqueID() const { return UniqueID; }
+
+ uint64_t getSectionOffset() const { return SectionOffset; }
+ void setSectionOffset(uint64_t Offset) { SectionOffset = Offset; }
+
+ uint32_t getSegmentIndex() const { return SegmentIndex; }
+ void setSegmentIndex(uint32_t Index) { SegmentIndex = Index; }
+
+ static bool classof(const MCSection *S) { return S->getVariant() == SV_Wasm; }
+};
+
+} // end namespace llvm
+
+#endif