Fix translation of instruction "move" in ARM integrated assembler.

tests_lit/assembler/arm32/mov-const.ll

 ; Show that we handle constants in a movw, when it isn't represented as
 ; ConstantRelocatable (see mov-imm.ll for the ConstantRelocatable case).
 
 ; REQUIRES: allow_dump
 
 ; Compile using standalone assembler.
 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -Om1 \
 ; RUN:   --test-stack-extra 4084 | FileCheck %s --check-prefix=ASM
 
 ; Show bytes in assembled standalone code.
 ; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \
 ; RUN:   --args -Om1 --test-stack-extra 4084 | FileCheck %s --check-prefix=DIS
 
 ; Compile using integrated assembler.
-; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -Om1 -unsafe-ias \
+; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -Om1 \
 ; RUN:   --test-stack-extra 4084 | FileCheck %s --check-prefix=IASM
 
 ; Show bytes in assembled integrated code.
 ; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \
-; RUN:   --args -Om1 -unsafe-ias --test-stack-extra 4084 \
+; RUN:   --args -Om1 --test-stack-extra 4084 \
 ; RUN:   | FileCheck %s --check-prefix=DIS
 
 define internal i32 @foo(i32 %x) {
 entry:
 
 ; ASM-LABEL: foo:
 ; ASM-NEXT: .Lfoo$entry:
 ; ******* Movw case to check *******
 ; ASM-NEXT:     movw    ip, #4092
 ; ASM-NEXT:     sub     sp, sp, ip
@@ skipping 81 matching lines @@
 ; IASM-NEXT:    .byte 0xd0
 ; IASM-NEXT:    .byte 0x8d
 ; IASM-NEXT:    .byte 0xe0
 
 ; IASM-NEXT:    .byte 0x1e
 ; IASM-NEXT:    .byte 0xff
 ; IASM-NEXT:    .byte 0x2f
 ; IASM-NEXT:    .byte 0xe1
 
 }