a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
40 lines
1.0 KiB
LLVM
40 lines
1.0 KiB
LLVM
; Test strlen using SRST, i64 version.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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declare i64 @strlen(ptr %src)
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declare i64 @strnlen(ptr %src, i64 %len)
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; Test strlen with its proper i64 prototype. It would also be valid for
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; the uses of %r3 and REG after the LGR to be swapped.
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define i64 @f1(i32 %dummy, ptr %src) {
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; CHECK-LABEL: f1:
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; CHECK-DAG: lhi %r0, 0
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; CHECK-DAG: lghi %r2, 0
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; CHECK-DAG: lgr [[REG:%r[145]]], %r3
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK-NEXT: srst %r2, [[REG]]
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK-NEXT: %bb.{{[0-9]+}}
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; CHECK-NEXT: sgr %r2, %r3
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; CHECK: br %r14
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%res = call i64 @strlen(ptr %src)
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ret i64 %res
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}
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; Test strnlen with its proper i64 prototype.
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define i64 @f2(i64 %len, ptr %src) {
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; CHECK-LABEL: f2:
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; CHECK-DAG: agr %r2, %r3
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; CHECK-DAG: lhi %r0, 0
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; CHECK-DAG: lgr [[REG:%r[145]]], %r3
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; CHECK: [[LABEL:\.[^:]*]]:
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; CHECK-NEXT: srst %r2, [[REG]]
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; CHECK-NEXT: jo [[LABEL]]
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; CHECK-NEXT: %bb.{{[0-9]+}}
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; CHECK-NEXT: sgr %r2, %r3
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; CHECK: br %r14
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%res = call i64 @strnlen(ptr %src, i64 %len)
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ret i64 %res
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}
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