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1; Test that strcmp won't be converted to CLST if calls are2; marked with nobuiltin, eg. for sanitizers.3;4; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s5 6declare signext i32 @strcmp(ptr %src1, ptr %src2)7 8; Check a case where the result is used as an integer.9define i32 @f1(ptr %src1, ptr %src2) {10; CHECK-LABEL: f1:11; CHECK-NOT: clst12; CHECK: brasl %r14, strcmp13; CHECK: br %r1414 %res = call i32 @strcmp(ptr %src1, ptr %src2) nobuiltin15 ret i32 %res16}17 18; Check a case where the result is tested for equality.19define void @f2(ptr %src1, ptr %src2, ptr %dest) {20; CHECK-LABEL: f2:21; CHECK-NOT: clst22; CHECK: brasl %r14, strcmp23; CHECK: br %r1424 %res = call i32 @strcmp(ptr %src1, ptr %src2) nobuiltin25 %cmp = icmp eq i32 %res, 026 br i1 %cmp, label %exit, label %store27 28store:29 store i32 0, ptr %dest30 br label %exit31 32exit:33 ret void34}35 36; Test a case where the result is used both as an integer and for37; branching.38define i32 @f3(ptr %src1, ptr %src2, ptr %dest) {39; CHECK-LABEL: f3:40; CHECK-NOT: clst41; CHECK: brasl %r14, strcmp42; CHECK: br %r1443entry:44 %res = call i32 @strcmp(ptr %src1, ptr %src2) nobuiltin45 %cmp = icmp slt i32 %res, 046 br i1 %cmp, label %exit, label %store47 48store:49 store i32 0, ptr %dest50 br label %exit51 52exit:53 ret i32 %res54}55