1*9880d681SAndroid Build Coastguard Worker; Make sure that the alloca offset isn't lost when the alloca result is 2*9880d681SAndroid Build Coastguard Worker; used directly in a load or store. There must always be an LA or LAY. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-A 5*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-B 6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-C 7*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-D 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdeclare i64 @bar(i8 *%a) 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %length, i64 %index) { 12*9880d681SAndroid Build Coastguard Worker; CHECK-A-LABEL: f1: 13*9880d681SAndroid Build Coastguard Worker; CHECK-A: lgr %r15, [[ADDR:%r[1-5]]] 14*9880d681SAndroid Build Coastguard Worker; CHECK-A: la %r2, 160([[ADDR]]) 15*9880d681SAndroid Build Coastguard Worker; CHECK-A: mvi 0(%r2), 0 16*9880d681SAndroid Build Coastguard Worker; 17*9880d681SAndroid Build Coastguard Worker; CHECK-B-LABEL: f1: 18*9880d681SAndroid Build Coastguard Worker; CHECK-B: lgr %r15, [[ADDR:%r[1-5]]] 19*9880d681SAndroid Build Coastguard Worker; CHECK-B: la %r2, 160([[ADDR]]) 20*9880d681SAndroid Build Coastguard Worker; CHECK-B: mvi 4095(%r2), 1 21*9880d681SAndroid Build Coastguard Worker; 22*9880d681SAndroid Build Coastguard Worker; CHECK-C-LABEL: f1: 23*9880d681SAndroid Build Coastguard Worker; CHECK-C: lgr %r15, [[ADDR:%r[1-5]]] 24*9880d681SAndroid Build Coastguard Worker; CHECK-C-DAG: la %r2, 160([[ADDR]]) 25*9880d681SAndroid Build Coastguard Worker; CHECK-C-DAG: lhi [[TMP:%r[0-5]]], 2 26*9880d681SAndroid Build Coastguard Worker; CHECK-C: stc [[TMP]], 0({{%r3,%r2|%r2,%r3}}) 27*9880d681SAndroid Build Coastguard Worker; 28*9880d681SAndroid Build Coastguard Worker; CHECK-D-LABEL: f1: 29*9880d681SAndroid Build Coastguard Worker; CHECK-D: lgr %r15, [[ADDR:%r[1-5]]] 30*9880d681SAndroid Build Coastguard Worker; CHECK-D-DAG: la %r2, 160([[ADDR]]) 31*9880d681SAndroid Build Coastguard Worker; CHECK-D-DAG: lhi [[TMP:%r[0-5]]], 3 32*9880d681SAndroid Build Coastguard Worker; CHECK-D: stc [[TMP]], 4095({{%r3,%r2|%r2,%r3}}) 33*9880d681SAndroid Build Coastguard Worker; 34*9880d681SAndroid Build Coastguard Worker; CHECK-E-LABEL: f1: 35*9880d681SAndroid Build Coastguard Worker; CHECK-E: lgr %r15, [[ADDR:%r[1-5]]] 36*9880d681SAndroid Build Coastguard Worker; CHECK-E-DAG: la %r2, 160([[ADDR]]) 37*9880d681SAndroid Build Coastguard Worker; CHECK-E-DAG: lhi [[TMP:%r[0-5]]], 4 38*9880d681SAndroid Build Coastguard Worker; CHECK-E: stcy [[TMP]], 4096({{%r3,%r2|%r2,%r3}}) 39*9880d681SAndroid Build Coastguard Worker %a = alloca i8, i64 %length 40*9880d681SAndroid Build Coastguard Worker store volatile i8 0, i8 *%a 41*9880d681SAndroid Build Coastguard Worker %b = getelementptr i8, i8 *%a, i64 4095 42*9880d681SAndroid Build Coastguard Worker store volatile i8 1, i8 *%b 43*9880d681SAndroid Build Coastguard Worker %c = getelementptr i8, i8 *%a, i64 %index 44*9880d681SAndroid Build Coastguard Worker store volatile i8 2, i8 *%c 45*9880d681SAndroid Build Coastguard Worker %d = getelementptr i8, i8 *%c, i64 4095 46*9880d681SAndroid Build Coastguard Worker store volatile i8 3, i8 *%d 47*9880d681SAndroid Build Coastguard Worker %e = getelementptr i8, i8 *%d, i64 1 48*9880d681SAndroid Build Coastguard Worker store volatile i8 4, i8 *%e 49*9880d681SAndroid Build Coastguard Worker %count = call i64 @bar(i8 *%a) 50*9880d681SAndroid Build Coastguard Worker %res = add i64 %count, 1 51*9880d681SAndroid Build Coastguard Worker ret i64 %res 52*9880d681SAndroid Build Coastguard Worker} 53