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22 lines
580 B
LLVM
22 lines
580 B
LLVM
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; Test memchr using SRST, with a weird but usable prototype.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i8 *@memchr(i8 *%src, i16 %char, i32 %len)
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; Test a simple forwarded call.
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define i8 *@f1(i8 *%src, i16 %char, i32 %len) {
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; CHECK-LABEL: f1:
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; CHECK-DAG: lgr [[REG:%r[1-5]]], %r2
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; CHECK-DAG: algfr %r2, %r4
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; CHECK-DAG: llcr %r0, %r3
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK: srst %r2, [[REG]]
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK: jl {{\.L.*}}
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; CHECK: lghi %r2, 0
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; CHECK: br %r14
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%res = call i8 *@memchr(i8 *%src, i16 %char, i32 %len)
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ret i8 *%res
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}
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