1 ; Test the three-operand forms of addition. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 4 5 ; Check ARK. 6 define i32 @f1(i32 %a, i32 %b, i32 %c) { 7 ; CHECK-LABEL: f1: 8 ; CHECK: ark %r2, %r3, %r4 9 ; CHECK: br %r14 10 %add = add i32 %b, %c 11 ret i32 %add 12 } 13 14 ; Check that we can still use AR in obvious cases. 15 define i32 @f2(i32 %a, i32 %b) { 16 ; CHECK-LABEL: f2: 17 ; CHECK: ar %r2, %r3 18 ; CHECK: br %r14 19 %add = add i32 %a, %b 20 ret i32 %add 21 } 22 23 ; Check AGRK. 24 define i64 @f3(i64 %a, i64 %b, i64 %c) { 25 ; CHECK-LABEL: f3: 26 ; CHECK: agrk %r2, %r3, %r4 27 ; CHECK: br %r14 28 %add = add i64 %b, %c 29 ret i64 %add 30 } 31 32 ; Check that we can still use AGR in obvious cases. 33 define i64 @f4(i64 %a, i64 %b) { 34 ; CHECK-LABEL: f4: 35 ; CHECK: agr %r2, %r3 36 ; CHECK: br %r14 37 %add = add i64 %a, %b 38 ret i64 %add 39 } 40
