1*9880d681SAndroid Build Coastguard Worker; Test that strcmp won't be converted to CLST 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 signext i32 @strcmp(i8 *%src1, i8 *%src2) 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker; Check a case where the result is used as an integer. 9*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i8 *%src1, i8 *%src2) { 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: clst 12*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, strcmp 13*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 14*9880d681SAndroid Build Coastguard Worker %res = call i32 @strcmp(i8 *%src1, i8 *%src2) nobuiltin 15*9880d681SAndroid Build Coastguard Worker ret i32 %res 16*9880d681SAndroid Build Coastguard Worker} 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Worker; Check a case where the result is tested for equality. 19*9880d681SAndroid Build Coastguard Workerdefine void @f2(i8 *%src1, i8 *%src2, i32 *%dest) { 20*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 21*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: clst 22*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, strcmp 23*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 24*9880d681SAndroid Build Coastguard Worker %res = call i32 @strcmp(i8 *%src1, i8 *%src2) nobuiltin 25*9880d681SAndroid Build Coastguard Worker %cmp = icmp eq i32 %res, 0 26*9880d681SAndroid Build Coastguard Worker br i1 %cmp, label %exit, label %store 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Workerstore: 29*9880d681SAndroid Build Coastguard Worker store i32 0, i32 *%dest 30*9880d681SAndroid Build Coastguard Worker br label %exit 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerexit: 33*9880d681SAndroid Build Coastguard Worker ret void 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker; Test a case where the result is used both as an integer and for 37*9880d681SAndroid Build Coastguard Worker; branching. 38*9880d681SAndroid Build Coastguard Workerdefine i32 @f3(i8 *%src1, i8 *%src2, i32 *%dest) { 39*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 40*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: clst 41*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, strcmp 42*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 43*9880d681SAndroid Build Coastguard Workerentry: 44*9880d681SAndroid Build Coastguard Worker %res = call i32 @strcmp(i8 *%src1, i8 *%src2) nobuiltin 45*9880d681SAndroid Build Coastguard Worker %cmp = icmp slt i32 %res, 0 46*9880d681SAndroid Build Coastguard Worker br i1 %cmp, label %exit, label %store 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Workerstore: 49*9880d681SAndroid Build Coastguard Worker store i32 0, i32 *%dest 50*9880d681SAndroid Build Coastguard Worker br label %exit 51*9880d681SAndroid Build Coastguard Worker 52*9880d681SAndroid Build Coastguard Workerexit: 53*9880d681SAndroid Build Coastguard Worker ret i32 %res 54*9880d681SAndroid Build Coastguard Worker} 55