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26 lines
628 B
26 lines
628 B
4 months ago
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; Test that strlen/strnlen won't be converted to SRST if calls are
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; marked with nobuiltin, eg. for sanitizers.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i64 @strlen(i8 *%src)
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declare i64 @strnlen(i8 *%src, i64 %len)
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define i64 @f1(i32 %dummy, i8 *%src) {
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; CHECK-LABEL: f1:
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; CHECK: brasl %r14, strlen
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; CHECK: br %r14
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%res = call i64 @strlen(i8 *%src) nobuiltin
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ret i64 %res
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}
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; Likewise for strnlen.
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define i64 @f2(i64 %len, i8 *%src) {
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; CHECK-LABEL: f2:
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; CHECK-NOT: srst
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; CHECK: brasl %r14, strnlen
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; CHECK: br %r14
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%res = call i64 @strnlen(i8 *%src, i64 %len) nobuiltin
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ret i64 %res
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}
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