1*9880d681SAndroid Build Coastguard Worker; Test variable-sized allocas and addresses based on them in cases where 2*9880d681SAndroid Build Coastguard Worker; stack arguments are needed. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 5*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-A 6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-B 7*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-C 8*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-D 9*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerdeclare i64 @bar(i8 *%a, i8 *%b, i8 *%c, i8 *%d, i8 *%e, i64 %f, i64 %g) 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Worker; Allocate %length bytes and take addresses based on the result. 14*9880d681SAndroid Build Coastguard Worker; There are two stack arguments, so an offset of 160 + 2 * 8 == 176 15*9880d681SAndroid Build Coastguard Worker; is added to the copy of %r15. 16*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %length, i64 %index) { 17*9880d681SAndroid Build Coastguard Worker; FIXME: a better sequence would be: 18*9880d681SAndroid Build Coastguard Worker; 19*9880d681SAndroid Build Coastguard Worker; lgr %r1, %r15 20*9880d681SAndroid Build Coastguard Worker; sgr %r1, %r2 21*9880d681SAndroid Build Coastguard Worker; nill %r1, 0xfff8 22*9880d681SAndroid Build Coastguard Worker; lgr %r15, %r1 23*9880d681SAndroid Build Coastguard Worker; 24*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 25*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: la [[REG1:%r[0-5]]], 7(%r2) 26*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: nill [[REG1]], 65528 27*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: lgr [[REG2:%r[0-5]]], %r15 28*9880d681SAndroid Build Coastguard Worker; CHECK: sgr [[REG2]], [[REG1]] 29*9880d681SAndroid Build Coastguard Worker; CHECK: lgr %r15, [[REG2]] 30*9880d681SAndroid Build Coastguard Worker; 31*9880d681SAndroid Build Coastguard Worker; CHECK-A-LABEL: f1: 32*9880d681SAndroid Build Coastguard Worker; CHECK-A: lgr %r15, %r1 33*9880d681SAndroid Build Coastguard Worker; CHECK-A: la %r2, 176(%r1) 34*9880d681SAndroid Build Coastguard Worker; 35*9880d681SAndroid Build Coastguard Worker; CHECK-B-LABEL: f1: 36*9880d681SAndroid Build Coastguard Worker; CHECK-B: lgr %r15, %r1 37*9880d681SAndroid Build Coastguard Worker; CHECK-B: la %r3, 177(%r1) 38*9880d681SAndroid Build Coastguard Worker; 39*9880d681SAndroid Build Coastguard Worker; CHECK-C-LABEL: f1: 40*9880d681SAndroid Build Coastguard Worker; CHECK-C: lgr %r15, %r1 41*9880d681SAndroid Build Coastguard Worker; CHECK-C: la %r4, 4095({{%r3,%r1|%r1,%r3}}) 42*9880d681SAndroid Build Coastguard Worker; 43*9880d681SAndroid Build Coastguard Worker; CHECK-D-LABEL: f1: 44*9880d681SAndroid Build Coastguard Worker; CHECK-D: lgr %r15, %r1 45*9880d681SAndroid Build Coastguard Worker; CHECK-D: lay %r5, 4096({{%r3,%r1|%r1,%r3}}) 46*9880d681SAndroid Build Coastguard Worker; 47*9880d681SAndroid Build Coastguard Worker; CHECK-E-LABEL: f1: 48*9880d681SAndroid Build Coastguard Worker; CHECK-E: lgr %r15, %r1 49*9880d681SAndroid Build Coastguard Worker; CHECK-E: lay %r6, 4271({{%r3,%r1|%r1,%r3}}) 50*9880d681SAndroid Build Coastguard Worker; 51*9880d681SAndroid Build Coastguard Worker; CHECK-FP-LABEL: f1: 52*9880d681SAndroid Build Coastguard Worker; CHECK-FP: lgr %r11, %r15 53*9880d681SAndroid Build Coastguard Worker; CHECK-FP: lmg %r6, %r15, 224(%r11) 54*9880d681SAndroid Build Coastguard Worker %a = alloca i8, i64 %length 55*9880d681SAndroid Build Coastguard Worker %b = getelementptr i8, i8 *%a, i64 1 56*9880d681SAndroid Build Coastguard Worker %cindex = add i64 %index, 3919 57*9880d681SAndroid Build Coastguard Worker %c = getelementptr i8, i8 *%a, i64 %cindex 58*9880d681SAndroid Build Coastguard Worker %dindex = add i64 %index, 3920 59*9880d681SAndroid Build Coastguard Worker %d = getelementptr i8, i8 *%a, i64 %dindex 60*9880d681SAndroid Build Coastguard Worker %eindex = add i64 %index, 4095 61*9880d681SAndroid Build Coastguard Worker %e = getelementptr i8, i8 *%a, i64 %eindex 62*9880d681SAndroid Build Coastguard Worker %count = call i64 @bar(i8 *%a, i8 *%b, i8 *%c, i8 *%d, i8 *%e, i64 0, i64 0) 63*9880d681SAndroid Build Coastguard Worker %res = add i64 %count, 1 64*9880d681SAndroid Build Coastguard Worker ret i64 %res 65*9880d681SAndroid Build Coastguard Worker} 66