1*9880d681SAndroid Build Coastguard Worker; Test 128-bit subtraction when the distinct-operands facility is available. 2*9880d681SAndroid Build Coastguard Worker; 3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; Test the case where both operands are in registers. 6*9880d681SAndroid Build Coastguard Workerdefine i64 @f1(i64 %a, i64 %b, i64 %c, i64 %d, i64 *%ptr) { 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 8*9880d681SAndroid Build Coastguard Worker; CHECK: slgrk %r2, %r4, %r5 9*9880d681SAndroid Build Coastguard Worker; CHECK: slbgr 10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 11*9880d681SAndroid Build Coastguard Worker %x1 = insertelement <2 x i64> undef, i64 %b, i32 0 12*9880d681SAndroid Build Coastguard Worker %x2 = insertelement <2 x i64> %x1, i64 %c, i32 1 13*9880d681SAndroid Build Coastguard Worker %x = bitcast <2 x i64> %x2 to i128 14*9880d681SAndroid Build Coastguard Worker %y2 = insertelement <2 x i64> %x1, i64 %d, i32 1 15*9880d681SAndroid Build Coastguard Worker %y = bitcast <2 x i64> %y2 to i128 16*9880d681SAndroid Build Coastguard Worker %sub = sub i128 %x, %y 17*9880d681SAndroid Build Coastguard Worker %subv = bitcast i128 %sub to <2 x i64> 18*9880d681SAndroid Build Coastguard Worker %high = extractelement <2 x i64> %subv, i32 0 19*9880d681SAndroid Build Coastguard Worker store i64 %high, i64 *%ptr 20*9880d681SAndroid Build Coastguard Worker %low = extractelement <2 x i64> %subv, i32 1 21*9880d681SAndroid Build Coastguard Worker ret i64 %low 22*9880d681SAndroid Build Coastguard Worker} 23