1 ; Test incoming i128 arguments. 2 ; 3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5 ; Do some arithmetic so that we can see the register being used. 6 define void @f1(i128 *%r2, i16 %r3, i32 %r4, i64 %r5, i128 %r6) { 7 ; CHECK-LABEL: f1: 8 ; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r6) 9 ; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r6) 10 ; CHECK: algr [[REGL]], [[REGL]] 11 ; CHECK-NEXT: alcgr [[REGH]], [[REGH]] 12 ; CHECK-DAG: stg [[REGL]], 8(%r2) 13 ; CHECK-DAG: stg [[REGH]], 0(%r2) 14 ; CHECK: br %r14 15 %y = add i128 %r6, %r6 16 store i128 %y, i128 *%r2 17 ret void 18 } 19 20 ; Test a case where the i128 address is passed on the stack. 21 define void @f2(i128 *%r2, i16 %r3, i32 %r4, i64 %r5, 22 i128 %r6, i64 %s1, i64 %s2, i128 %s4) { 23 ; CHECK-LABEL: f2: 24 ; CHECK: lg [[ADDR:%r[1-5]+]], 176(%r15) 25 ; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8([[ADDR]]) 26 ; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0([[ADDR]]) 27 ; CHECK: algr [[REGL]], [[REGL]] 28 ; CHECK-NEXT: alcgr [[REGH]], [[REGH]] 29 ; CHECK-DAG: stg [[REGL]], 8(%r2) 30 ; CHECK-DAG: stg [[REGH]], 0(%r2) 31 ; CHECK: br %r14 32 %y = add i128 %s4, %s4 33 store i128 %y, i128 *%r2 34 ret void 35 } 36 37 ; Explicit i128 return values are likewise passed indirectly. 38 define i128 @f14(i128 %r3) { 39 ; CHECK-LABEL: f14: 40 ; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r3) 41 ; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r3) 42 ; CHECK: algr [[REGL]], [[REGL]] 43 ; CHECK-NEXT: alcgr [[REGH]], [[REGH]] 44 ; CHECK-DAG: stg [[REGL]], 8(%r2) 45 ; CHECK-DAG: stg [[REGH]], 0(%r2) 46 ; CHECK: br %r14 47 %y = add i128 %r3, %r3 48 ret i128 %y 49 } 50 51
