1*9880d681SAndroid Build Coastguard Worker; Test that strcmp won't be converted to MVST if calls are 2*9880d681SAndroid Build Coastguard Worker; marked with nobuiltin, eg. for sanitizers. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdeclare i8 *@strcpy(i8 *%dest, i8 *%src) 7*9880d681SAndroid Build Coastguard Workerdeclare i8 *@stpcpy(i8 *%dest, i8 *%src) 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; Check strcpy. 10*9880d681SAndroid Build Coastguard Workerdefine i8 *@f1(i8 *%dest, i8 *%src) { 11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 12*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mvst 13*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, strcpy 14*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 15*9880d681SAndroid Build Coastguard Worker %res = call i8 *@strcpy(i8 *%dest, i8 *%src) nobuiltin 16*9880d681SAndroid Build Coastguard Worker ret i8 *%res 17*9880d681SAndroid Build Coastguard Worker} 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; Check stpcpy. 20*9880d681SAndroid Build Coastguard Workerdefine i8 *@f2(i8 *%dest, i8 *%src) { 21*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 22*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mvst 23*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, stpcpy 24*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 25*9880d681SAndroid Build Coastguard Worker %res = call i8 *@stpcpy(i8 *%dest, i8 *%src) nobuiltin 26*9880d681SAndroid Build Coastguard Worker ret i8 *%res 27*9880d681SAndroid Build Coastguard Worker} 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Worker; Check correct operation with other loads and stores. The load must 30*9880d681SAndroid Build Coastguard Worker; come before the loop and the store afterwards. 31*9880d681SAndroid Build Coastguard Workerdefine i32 @f3(i32 %dummy, i8 *%dest, i8 *%src, i32 *%resptr, i32 *%storeptr) { 32*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 33*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: l [[REG1:%r[0-9]+]], 0(%r5) 34*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: mvst 35*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, strcpy 36*9880d681SAndroid Build Coastguard Worker; CHECK: mvhi 0(%r6), 0 37*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 38*9880d681SAndroid Build Coastguard Worker %res = load i32 , i32 *%resptr 39*9880d681SAndroid Build Coastguard Worker %unused = call i8 *@strcpy(i8 *%dest, i8 *%src) nobuiltin 40*9880d681SAndroid Build Coastguard Worker store i32 0, i32 *%storeptr 41*9880d681SAndroid Build Coastguard Worker ret i32 %res 42*9880d681SAndroid Build Coastguard Worker} 43