Add ADC (immediate) instruction to ARM integrated assembler.

tests_lit/assembler/arm32/add.ll

Index: tests_lit/assembler/arm32/add.ll
diff --git a/tests_lit/assembler/arm32/add.ll b/tests_lit/assembler/arm32/add.ll
index 2aba943aa8025a44ad2cbb9821e4a037c2f6fa9b..420c696436f91455906e800d419daebaac3b9b1b 100644
--- a/tests_lit/assembler/arm32/add.ll
+++ b/tests_lit/assembler/arm32/add.ll
@@ -71,3 +71,28 @@ define internal i32 @Add2Regs(i32 %p1, i32 %p2) {
 ; IASM-NEXT:    .byte 0xff
 ; IASM-NEXT:    .byte 0x2f
 ; IASM-NEXT:    .byte 0xe1
+
+define internal i64 @addI64ToR0R1(i64 %p) {
+  %v = add i64 %p, 1
+  ret i64 %v
+}
+
+; ASM-LABEL:addI64ToR0R1:
+; ASM-NEXT:.LaddI64ToR0R1$__0:
+; ASM-NEXT:     adds    r0, r0, #1
+; ASM-NEXT:     adc     r1, r1, #0
+
+; DIS-LABEL:00000020 <addI64ToR0R1>:
+; DIS-NEXT:  20:        e2900001
+; DIS-NEXT:  24:        e2a11000
+
+; IASM-LABEL:addI64ToR0R1:
+; IASM-NEXT:.LaddI64ToR0R1$__0:
+; IASM-NEXT:    .byte 0x1
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x90
+; IASM-NEXT:    .byte 0xe2
+; IASM-NEXT:    .byte 0x0
+; IASM-NEXT:    .byte 0x10
+; IASM-NEXT:    .byte 0xa1
+; IASM-NEXT:    .byte 0xe2