|  | ; Test the three-operand forms of addition. | 
|  | ; | 
|  | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s | 
|  |  | 
|  | ; Check ARK. | 
|  | define i32 @f1(i32 %a, i32 %b, i32 %c) { | 
|  | ; CHECK-LABEL: f1: | 
|  | ; CHECK: ark %r2, %r3, %r4 | 
|  | ; CHECK: br %r14 | 
|  | %add = add i32 %b, %c | 
|  | ret i32 %add | 
|  | } | 
|  |  | 
|  | ; Check that we can still use AR in obvious cases. | 
|  | define i32 @f2(i32 %a, i32 %b) { | 
|  | ; CHECK-LABEL: f2: | 
|  | ; CHECK: ar %r2, %r3 | 
|  | ; CHECK: br %r14 | 
|  | %add = add i32 %a, %b | 
|  | ret i32 %add | 
|  | } | 
|  |  | 
|  | ; Check AGRK. | 
|  | define i64 @f3(i64 %a, i64 %b, i64 %c) { | 
|  | ; CHECK-LABEL: f3: | 
|  | ; CHECK: agrk %r2, %r3, %r4 | 
|  | ; CHECK: br %r14 | 
|  | %add = add i64 %b, %c | 
|  | ret i64 %add | 
|  | } | 
|  |  | 
|  | ; Check that we can still use AGR in obvious cases. | 
|  | define i64 @f4(i64 %a, i64 %b) { | 
|  | ; CHECK-LABEL: f4: | 
|  | ; CHECK: agr %r2, %r3 | 
|  | ; CHECK: br %r14 | 
|  | %add = add i64 %a, %b | 
|  | ret i64 %add | 
|  | } |