Kai Nacke a1710eb3cd [SystemZ][NFC] Opaque pointer migration.
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.
2022-10-11 21:09:43 +00:00

29 lines
980 B
LLVM

; Test local-dynamic TLS accesses.
;
; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-MAIN
; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=CHECK-CP
@x = thread_local(localdynamic) global i32 0
; Call __tls_get_offset to retrieve the module's TLS base offset.
; Add the per-symbol offset and the thread pointer.
define ptr@foo() {
; CHECK-CP: .LCP{{.*}}_0:
; CHECK-CP: .quad x@TLSLDM
; CHECK-CP: .LCP{{.*}}_1:
; CHECK-CP: .quad x@DTPOFF
;
; CHECK-MAIN-LABEL: foo:
; CHECK-MAIN-DAG: larl %r12, _GLOBAL_OFFSET_TABLE_
; CHECK-MAIN-DAG: lgrl %r2, .LCP{{.*}}_0
; CHECK-MAIN: brasl %r14, __tls_get_offset@PLT:tls_ldcall:x
; CHECK-MAIN: larl %r1, .LCP{{.*}}_1
; CHECK-MAIN: ag %r2, 0(%r1)
; CHECK-MAIN: ear [[HIGH:%r[0-5]]], %a0
; CHECK-MAIN: sllg [[TP:%r[0-5]]], [[HIGH]], 32
; CHECK-MAIN: ear [[TP]], %a1
; CHECK-MAIN: agr %r2, [[TP]]
; CHECK-MAIN: br %r14
ret ptr@x
}