Add vmov between integers and floats in ARM assembler.

tests_lit/assembler/arm32/vmov-f2i.ll

+; Show that we can move between float (S) and integer (GPR) registers.
+
+; REQUIRES: allow_dump
+
+; Compile using standalone assembler.
+; RUN: %p2i --filetype=asm -i %s --target=arm32 --args -Om1 \
+; RUN:   --reg-use=s20,r5,r6 | FileCheck %s --check-prefix=ASM
+
+; Show bytes in assembled standalone code.
+; RUN: %p2i --filetype=asm -i %s --target=arm32 --assemble --disassemble \
+; RUN:   --args -Om1 --reg-use=s20,r5,r6  | FileCheck %s --check-prefix=DIS
+
+; Compile using integrated assembler.
+; RUN: %p2i --filetype=iasm -i %s --target=arm32 --args -Om1 \
+; RUN:   --reg-use=s20,r5,r6 \
+; RUN:   | FileCheck %s --check-prefix=IASM
+
+; Show bytes in assembled integrated code.
+; RUN: %p2i --filetype=iasm -i %s --target=arm32 --assemble --disassemble \
+; RUN:   --args -Om1 --reg-use=s20,r5,r6 | FileCheck %s --check-prefix=DIS
+
+define internal void @FloatToI1() {
+; ASM-LABEL: FloatToI1:
+; DIS-LABEL: {{.+}} <FloatToI1>:
+
+  %v = fptoui float 0.0 to i1
+
+; ASM:  vmov    r5, s20
+; DIS:   {{.+}}:   ee1a5a10
+; IASM-NOT: vmov
+
+  ret void
+}
+
+define internal void @FloatToI8() {
+; ASM-LABEL: FloatToI8:
+; DIS-LABEL: {{.+}} <FloatToI8>:
+
+  %v = fptoui float 0.0 to i8
+
+; ASM:  vmov    r5, s20
+; DIS:   {{.+}}:   ee1a5a10
+; IASM-NOT: vmov
+
+  ret void
+}
+
+define internal void @FloatToI16() {
+; ASM-LABEL: FloatToI16:
+; DIS-LABEL: {{.+}} <FloatToI16>:
+
+  %v = fptoui float 0.0 to i16
+
+; ASM:  vmov    r5, s20
+; DIS:   {{.+}}:   ee1a5a10
+; IASM-NOT: vmov
+
+  ret void
+}
+
+define internal void @FloatToI32() {
+; ASM-LABEL: FloatToI32:
+; DIS-LABEL: {{.+}} <FloatToI32>:
+
+  %v = fptoui float 0.0 to i32
+
+; ASM:  vmov    r5, s20
+; DIS:   {{.+}}:   ee1a5a10
+; IASM-NOT: vmov
+
+  ret void
+}
+
+define internal float @I1ToFloat() {
+; ASM-LABEL: I1ToFloat:
+; DIS-LABEL: {{.+}} <I1ToFloat>:
+
+  %v = uitofp i1 1 to float
+
+; ASM:  vmov    s20, r5
+; DIS:  {{.+}}:   ee0a5a10
+; IASM-NOT: vmov
+
+  ret float %v
+}
+
+define internal float @I8ToFloat() {
+; ASM-LABEL: I8ToFloat:
+; DIS-LABEL: {{.+}} <I8ToFloat>:
+
+  %v = uitofp i8 1 to float
+
+; ASM:  vmov    s20, r5
+; DIS:  {{.+}}:   ee0a5a10
+; IASM-NOT: vmov
+
+  ret float %v
+}
+
+define internal float @I16ToFloat() {
+; ASM-LABEL: I16ToFloat:
+; DIS-LABEL: {{.+}} <I16ToFloat>:
+
+  %v = uitofp i16 1 to float
+
+; ASM:  vmov    s20, r5
+; DIS:  {{.+}}:   ee0a5a10
+; IASM-NOT: vmov
+
+  ret float %v
+}
+
+define internal float @I32ToFloat() {
+; ASM-LABEL: I32ToFloat:
+; DIS-LABEL: {{.+}} <I32ToFloat>:
+
+  %v = uitofp i32 17 to float
+
+; ASM:  vmov    s20, r5
+; DIS:  {{.+}}:   ee0a5a10
+; IASM-NOT: vmov
+
+  ret float %v
+}