Handle "Mov" which is mov, movss, movsd, and used for nacl.read.tp.

tests_lit/llvm2ice_tests/nacl-other-intrinsics.ll

 ; This tests the NaCl intrinsics not related to atomic operations.
 
 ; TODO(jvoung): fix extra "CALLTARGETS" run. The llvm-objdump symbolizer
 ; doesn't know how to symbolize non-section-local functions.
 ; The newer LLVM 3.6 one does work, but watch out for other bugs.
 
 ; RUN: %p2i -i %s --args -O2 --verbose none \
 ; RUN:   | FileCheck --check-prefix=CALLTARGETS %s
 ; RUN: %p2i -i %s --args -O2 --verbose none -sandbox \
 ; RUN:   | llvm-mc -triple=i686-none-nacl -x86-asm-syntax=intel -filetype=obj \
@@ skipping 56 matching lines @@
 ; CALLTARGETS-LABEL: test_nacl_read_tp
 ; CALLTARGETS: call __nacl_read_tp
 
 define i32 @test_nacl_read_tp_more_addressing() {
 entry:
   %ptr = call i8* @llvm.nacl.read.tp()
   %__1 = ptrtoint i8* %ptr to i32
   %x = add i32 %__1, %__1
   %__3 = inttoptr i32 %x to i32*
   %v = load i32* %__3, align 1
+  %v_add = add i32 %v, 1
+
   %ptr2 = call i8* @llvm.nacl.read.tp()
   %__6 = ptrtoint i8* %ptr2 to i32
   %y = add i32 %__6, 4
   %__8 = inttoptr i32 %y to i32*
-  store i32 %v, i32* %__8, align 1
+  %v_add2 = add i32 %v, 4
+  store i32 %v_add2, i32* %__8, align 1
   ret i32 %v
 }
 ; CHECK-LABEL: test_nacl_read_tp_more_addressing
 ; CHECK: mov e{{.*}}, dword ptr gs:[0]
 ; CHECK: mov e{{.*}}, dword ptr gs:[0]
 ; CHECKO2REM-LABEL: test_nacl_read_tp_more_addressing
 ; CHECKO2REM: mov e{{.*}}, dword ptr gs:[0]
 ; CHECKO2REM: mov e{{.*}}, dword ptr gs:[0]
 ; CHECKO2UNSANDBOXEDREM-LABEL: test_nacl_read_tp_more_addressing
 ; CHECKO2UNSANDBOXEDREM: call -4
@@ skipping 426 matching lines @@
   ret void
 }
 ; CHECK-LABEL: test_stacksave_multiple
 ; At least 3 copies of esp, but probably more from having to do the allocas.
 ; CHECK: mov {{.*}}, esp
 ; CHECK: mov {{.*}}, esp
 ; CHECK: mov {{.*}}, esp
 ; CHECK: mov esp, {{.*}}
 
 ; ERRORS-NOT: ICE translation error