Subzero. ARM32. Fixes bugs uncovered by the llvm test suite.

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 1557 matching lines @@
     break; // Error
   case IceType_v4i1:
   case IceType_v8i1:
   case IceType_v16i1:
   case IceType_v16i8:
   case IceType_v8i16:
   case IceType_v4i32:
   case IceType_v4f32:
     assert(CondARM32::isUnconditional(Cond) &&
            "Moves on <4 x f32> must be unconditional!");
-    assert(SrcTy == DestTy && "Mov on different vector types");
+    // Mov between different Src and Dest types is used for bitcasting vectors.
+    // We still want to make sure SrcTy is a vector type.
+    assert(isVectorType(SrcTy) && "Mov between vector and scalar.");
     Asm->vorrq(Dest, Src0, Src0);
     return;
   }
   llvm::report_fatal_error("Mov: don't know how to move " +
                            typeIceString(SrcTy) + " to " +
                            typeIceString(DestTy));
 }
 
 void InstARM32Mov::dump(const Cfg *Func) const {
   if (!BuildDefs::dump())
@@ skipping 1191 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