|  | ; Test the setup of the environment area, or associated data area (ADA) | 
|  | ; | 
|  | ; RUN: llc < %s -mtriple=s390x-ibm-zos -mcpu=z10 | FileCheck %s | 
|  |  | 
|  | ; CHECK-LABEL: caller: | 
|  | ; CHECK:         stmg 6, 8, 1872(4) | 
|  | ; CHECK-NEXT:    aghi 4, -192 | 
|  | ; CHECK-NEXT:    lgr 8, 5 | 
|  | ; CHECK-NEXT:    brasl 7, callee_internal@PLT | 
|  | ; CHECK-NEXT:    bcr 0, 3 | 
|  | ; CHECK-NEXT:    lg 6, 8(8) | 
|  | ; CHECK-NEXT:    lg 5, 0(8) | 
|  | ; CHECK-NEXT:    lgr 8, 3 | 
|  | ; CHECK-NEXT:    basr 7, 6 | 
|  | ; CHECK-NEXT:    bcr 0, 0 | 
|  | ; CHECK-NEXT:    la 3, 0(3,8) | 
|  | ; CHECK-NEXT:    lmg 7, 8, 2072(4) | 
|  | ; CHECK-NEXT:    aghi 4, 192 | 
|  | ; CHECK-NEXT:    b 2(7) | 
|  | define i64 @caller() { | 
|  | %r1 = call i64 () @callee_internal() | 
|  | %r2 = call i64 () @callee_external() | 
|  | %r3 = add i64 %r1, %r2 | 
|  | ret i64 %r3 | 
|  | } | 
|  |  | 
|  | define internal i64 @callee_internal() { | 
|  | ret i64 10 | 
|  | } | 
|  |  | 
|  | declare i64 @callee_external() |