[NFC] Remove unuseful infrastructure

diff --git a/llvm/include/llvm/MC/MCObjectStreamer.h b/llvm/include/llvm/MC/MCObjectStreamer.h
index b0a3bd3..362b6e9 100644 (file)
--- a/llvm/include/llvm/MC/MCObjectStreamer.h
+++ b/llvm/include/llvm/MC/MCObjectStreamer.h
@@ -87,11 +87,6 @@ public:
   /// if the Subtarget differs from the current fragment.
   MCDataFragment *getOrCreateDataFragment(const MCSubtargetInfo* STI = nullptr);
 
-  /// Get a boundary-align fragment to write into, creating a new one if the
-  /// current fragment is not a boundary-align fragment or has been used to emit
-  /// something.
-  MCBoundaryAlignFragment *getOrCreateBoundaryAlignFragment();
-
 protected:
   bool changeSectionImpl(MCSection *Section, const MCExpr *Subsection);
 

diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h b/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h
index 3e4a513..f8e893d 100644 (file)
--- a/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86BaseInfo.h
@@ -346,33 +346,6 @@ namespace X86 {
     llvm_unreachable("unknown fusion type");
   }
 
-  /// \returns true if the instruction with given opcode is a prefix.
-  inline bool isPrefix(unsigned Opcode) {
-    switch (Opcode) {
-    default:
-      return false;
-      // segment override prefix
-    case X86::CS_PREFIX:
-    case X86::DS_PREFIX:
-    case X86::ES_PREFIX:
-    case X86::FS_PREFIX:
-    case X86::GS_PREFIX:
-    case X86::SS_PREFIX:
-      // operand-size override prefix
-    case X86::DATA16_PREFIX:
-      // lock and repeat prefix
-    case X86::LOCK_PREFIX:
-    case X86::REPNE_PREFIX:
-    case X86::REP_PREFIX:
-      // rex64 prefix
-    case X86::REX64_PREFIX:
-      // acquire and release prefix
-    case X86::XACQUIRE_PREFIX:
-    case X86::XRELEASE_PREFIX:
-      return true;
-    }
-  }
-
   /// Defines the possible values of the branch boundary alignment mask.
   enum AlignBranchBoundaryKind : uint8_t {
     AlignBranchNone = 0,