1*9880d681SAndroid Build Coastguard Worker; Test multiple return values (LLVM ABI extension) 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -verify-machineinstrs| FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; Up to four integer return values fit into GPRs. 6*9880d681SAndroid Build Coastguard Workerdefine { i64, i64, i64, i64 } @f1() { 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 8*9880d681SAndroid Build Coastguard Worker; CHECK: lghi %r2, 0 9*9880d681SAndroid Build Coastguard Worker; CHECK: lghi %r3, 1 10*9880d681SAndroid Build Coastguard Worker; CHECK: lghi %r4, 2 11*9880d681SAndroid Build Coastguard Worker; CHECK: lghi %r5, 3 12*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 13*9880d681SAndroid Build Coastguard Worker ret { i64, i64, i64, i64 } { i64 0, i64 1, i64 2, i64 3 } 14*9880d681SAndroid Build Coastguard Worker} 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Worker; More than four integer return values use sret. 17*9880d681SAndroid Build Coastguard Workerdefine { i64, i64, i64, i64, i64 } @f2() { 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 19*9880d681SAndroid Build Coastguard Worker; CHECK: mvghi 32(%r2), 4 20*9880d681SAndroid Build Coastguard Worker; CHECK: mvghi 24(%r2), 3 21*9880d681SAndroid Build Coastguard Worker; CHECK: mvghi 16(%r2), 2 22*9880d681SAndroid Build Coastguard Worker; CHECK: mvghi 8(%r2), 1 23*9880d681SAndroid Build Coastguard Worker; CHECK: mvghi 0(%r2), 0 24*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 25*9880d681SAndroid Build Coastguard Worker ret { i64, i64, i64, i64, i64 } { i64 0, i64 1, i64 2, i64 3, i64 4 } 26*9880d681SAndroid Build Coastguard Worker} 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; Up to four floating-point return values fit into FPRs. 29*9880d681SAndroid Build Coastguard Workerdefine { double, double, double, double } @f3() { 30*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 31*9880d681SAndroid Build Coastguard Worker; CHECK: larl [[TMP:%r[0-5]]], .LCPI 32*9880d681SAndroid Build Coastguard Worker; CHECK: ldeb %f0, 0([[TMP]]) 33*9880d681SAndroid Build Coastguard Worker; CHECK: larl [[TMP:%r[0-5]]], .LCPI 34*9880d681SAndroid Build Coastguard Worker; CHECK: ldeb %f2, 0([[TMP]]) 35*9880d681SAndroid Build Coastguard Worker; CHECK: larl [[TMP:%r[0-5]]], .LCPI 36*9880d681SAndroid Build Coastguard Worker; CHECK: ldeb %f4, 0([[TMP]]) 37*9880d681SAndroid Build Coastguard Worker; CHECK: larl [[TMP:%r[0-5]]], .LCPI 38*9880d681SAndroid Build Coastguard Worker; CHECK: ldeb %f6, 0([[TMP]]) 39*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 40*9880d681SAndroid Build Coastguard Worker ret { double, double, double, double } 41*9880d681SAndroid Build Coastguard Worker { double 1.0, double 2.0, double 3.0, double 4.0 } 42*9880d681SAndroid Build Coastguard Worker} 43*9880d681SAndroid Build Coastguard Worker 44*9880d681SAndroid Build Coastguard Worker; More than four floating-point return values use sret. 45*9880d681SAndroid Build Coastguard Workerdefine { double, double, double, double, double } @f4() { 46*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4: 47*9880d681SAndroid Build Coastguard Worker; CHECK: llihh [[TMP:%r[0-5]]], 16404 48*9880d681SAndroid Build Coastguard Worker; CHECK: stg [[TMP]], 32(%r2) 49*9880d681SAndroid Build Coastguard Worker; CHECK: llihh [[TMP:%r[0-5]]], 16400 50*9880d681SAndroid Build Coastguard Worker; CHECK: stg [[TMP]], 24(%r2) 51*9880d681SAndroid Build Coastguard Worker; CHECK: llihh [[TMP:%r[0-5]]], 16392 52*9880d681SAndroid Build Coastguard Worker; CHECK: stg [[TMP]], 16(%r2) 53*9880d681SAndroid Build Coastguard Worker; CHECK: llihh [[TMP:%r[0-5]]], 16384 54*9880d681SAndroid Build Coastguard Worker; CHECK: stg [[TMP]], 8(%r2) 55*9880d681SAndroid Build Coastguard Worker; CHECK: llihh [[TMP:%r[0-5]]], 16368 56*9880d681SAndroid Build Coastguard Worker; CHECK: stg [[TMP]], 0(%r2) 57*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 58*9880d681SAndroid Build Coastguard Worker ret { double, double, double, double, double } 59*9880d681SAndroid Build Coastguard Worker { double 1.0, double 2.0, double 3.0, double 4.0, double 5.0 } 60*9880d681SAndroid Build Coastguard Worker} 61