ARM32 vector lowering: fabs, scalarize remaining arithmetic operations.

tests_lit/assembler/arm32/lsr.ll

Index: tests_lit/assembler/arm32/lsr.ll
diff --git a/tests_lit/assembler/arm32/lsr.ll b/tests_lit/assembler/arm32/lsr.ll
index f1d1e8a8bab41f3995f47aacf0df9c71ff961edb..f700f389c1df589ad27b8c3de9c80613e4cb81af 100644
--- a/tests_lit/assembler/arm32/lsr.ll
+++ b/tests_lit/assembler/arm32/lsr.ll
@@ -61,3 +61,23 @@ entry:
 
   ret i32 %v
 }
+
+define internal <4 x i32> @LshrVec(<4 x i32> %a, <4 x i32> %b) {
+; ASM-LABEL:LshrVec:
+; DIS-LABEL:00000020 <LshrVec>:
+; IASM-LABEL:LshrVec:
+
+entry:
+; ASM-NEXT:.LLshrVec$entry:
+; IASM-NEXT:.LLshrVec$entry:
+
+  %v = lshr <4 x i32> %a, %b
+
+; ASM:     lsr     r0, r0, r1
+; ASM:     lsr     r0, r0, r1
+; ASM:     lsr     r0, r0, r1
+; ASM:     lsr     r0, r0, r1
+; DIS:  28:        e1a00130
+
+  ret <4 x i32> %v
+}