[Target] Fix typos. NFC

lib/Target/ARM/ARMAsmPrinter.cpp

@@ -1106,7 +1106,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) {
     // 1) for Thumb1 code we sometimes materialize the constant via constpool
     //    load.
     // 2) for Thumb2 execute only code we materialize the constant via
-    //    immediate constants in 2 seperate instructions (MOVW/MOVT).
+    //    immediate constants in 2 separate instructions (MOVW/MOVT).
     SrcReg = ~0U;
     DstReg = MI->getOperand(0).getReg();
     break;

lib/Target/Hexagon/HexagonVLIWPacketizer.cpp

@@ -1064,7 +1064,7 @@ bool HexagonPacketizerList::ignorePseudoInstruction(const MachineInstr &MI,
 }
 
 bool HexagonPacketizerList::isSoloInstruction(const MachineInstr &MI) {
-  // Ensure any bundles created by gather packetize remain seperate.
+  // Ensure any bundles created by gather packetize remain separate.
   if (MI.isBundle())
     return true;
 

lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp

@@ -442,7 +442,7 @@ public:
     Name = StringRef(NameLoc.getPointer(), Name.size());
 
     // WebAssembly has instructions with / in them, which AsmLexer parses
-    // as seperate tokens, so if we find such tokens immediately adjacent (no
+    // as separate tokens, so if we find such tokens immediately adjacent (no
     // whitespace), expand the name to include them:
     for (;;) {
       auto &Sep = Lexer.getTok();
@@ -700,7 +700,7 @@ public:
       // WebAssemblyAsmPrinter::EmitFunctionBodyStart.
       // TODO: would be good to factor this into a common function, but the
       // assembler and backend really don't share any common code, and this code
-      // parses the locals seperately.
+      // parses the locals separately.
       auto SymName = expectIdent();
       if (SymName.empty())
         return true;

lib/Target/WebAssembly/WebAssemblyMCInstLower.cpp

@@ -318,7 +318,7 @@ static void removeRegisterOperands(const MachineInstr *MI, MCInst &OutMI) {
   // Remove all uses of stackified registers to bring the instruction format
   // into its final stack form used thruout MC, and transition opcodes to
   // their _S variant.
-  // We do this seperate from the above code that still may need these
+  // We do this separate from the above code that still may need these
   // registers for e.g. call_indirect signatures.
   // See comments in lib/Target/WebAssembly/WebAssemblyInstrFormats.td for
   // details.