Start incorporating the ARM integrated assembler.

tests_lit/assembler/arm32/ret.ll

Index: tests_lit/assembler/arm32/ret.ll
diff --git a/tests_lit/assembler/arm32/ret.ll b/tests_lit/assembler/arm32/ret.ll
new file mode 100644
index 0000000000000000000000000000000000000000..27596c97ea801320b25b6fa252f204cb413a0098
--- /dev/null
+++ b/tests_lit/assembler/arm32/ret.ll
@@ -0,0 +1,36 @@
+; Shows that the ARM integrated assembler can translate a trivial,
+; bundle-aligned function.
+
+; RUN: %p2i --filetype=asm -i %s --target=arm32 \
+; RUN:   | FileCheck %s --check-prefix=ASM
+; RUN: %p2i --filetype=iasm -i %s --target=arm32 \
+; RUN:   | FileCheck %s --check-prefix=IASM
+
+define internal void @f() {
+  ret void
+}
+
+; ASM-LABEL:f:
+; ASM-NEXT: .Lf$__0:
+; ASM-NEXT: 	bx	lr
+
+; IASM-LABEL:f:
+; IASM-NEXT: 	.byte 0x1e
+; IASM-NEXT: 	.byte 0xff
+; IASM-NEXT: 	.byte 0x2f
+; IASM-NEXT: 	.byte 0xe1
+
+; IASM-NEXT: 	.byte 0x70
+; IASM-NEXT: 	.byte 0x0
+; IASM-NEXT: 	.byte 0x20
+; IASM-NEXT: 	.byte 0xe1
+
+; IASM-NEXT: 	.byte 0x70
+; IASM-NEXT: 	.byte 0x0
+; IASM-NEXT: 	.byte 0x20
+; IASM-NEXT: 	.byte 0xe1
+
+; IASM-NEXT: 	.byte 0x70
+; IASM-NEXT: 	.byte 0x0
+; IASM-NEXT: 	.byte 0x20
+; IASM-NEXT: 	.byte 0xe1