xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/memchr-nobuiltin.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; Test that memchr won't be converted to SRST 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 *@memchr(i8 *%src, i16 %char, i32 %len)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; Test a simple forwarded call.
9*9880d681SAndroid Build Coastguard Workerdefine i8 *@f1(i8 *%src, i16 %char, i32 %len) {
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: srst
12*9880d681SAndroid Build Coastguard Worker; CHECK: brasl %r14, memchr
13*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
14*9880d681SAndroid Build Coastguard Worker  %res = call i8 *@memchr(i8 *%src, i16 %char, i32 %len) nobuiltin
15*9880d681SAndroid Build Coastguard Worker  ret i8 *%res
16*9880d681SAndroid Build Coastguard Worker}
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