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24 lines
791 B
24 lines
791 B
4 months ago
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; Test general-dynamic TLS accesses.
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;
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; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-MAIN
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; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-CP
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@x = thread_local global i32 0
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; Call __tls_get_offset to retrieve the symbol's TLS offset.
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define i32 *@foo() {
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; CHECK-CP: .LCP{{.*}}:
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; CHECK-CP: .quad x@TLSGD
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;
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; CHECK-MAIN-LABEL: foo:
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; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_
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; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}
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; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_gdcall:x
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; CHECK-MAIN: ear [[HIGH:%r[0-5]]], %a0
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; CHECK-MAIN: sllg [[TP:%r[0-5]]], [[HIGH]], 32
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; CHECK-MAIN: ear [[TP]], %a1
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; CHECK-MAIN: agr %r2, [[TP]]
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; CHECK-MAIN: br %r14
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ret i32 *@x
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}
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