Add the trap instruction to the integrated ARM assembler.

src/IceInstARM32.cpp

 //===- subzero/src/IceInstARM32.cpp - ARM32 instruction implementation ----===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 1930 matching lines @@
   assert(getSrcSize() == 0);
   // There isn't a mnemonic for the special NaCl Trap encoding, so dump
   // the raw bytes.
   Str << "\t.long 0x";
   auto *Asm = Func->getAssembler<ARM32::AssemblerARM32>();
   for (uint8_t I : Asm->getNonExecBundlePadding()) {
     Str.write_hex(I);
   }
 }
 
+void InstARM32Trap::emitIAS(const Cfg *Func) const {
+  auto *Asm = Func->getAssembler<ARM32::AssemblerARM32>();
+  Asm->trap();
+  assert(!Asm->needsTextFixup());
+}
+
 void InstARM32Trap::dump(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "trap";
 }
 
 void InstARM32Umull::emit(const Cfg *Func) const {
   if (!BuildDefs::dump())
     return;
@@ skipping 489 matching lines @@
 
 template class InstARM32FourAddrGPR<InstARM32::Mla>;
 template class InstARM32FourAddrGPR<InstARM32::Mls>;
 
 template class InstARM32CmpLike<InstARM32::Cmn>;
 template class InstARM32CmpLike<InstARM32::Cmp>;
 template class InstARM32CmpLike<InstARM32::Tst>;
 
 } // end of namespace ARM32
 } // end of namespace Ice