File: arm64-tls-darwin.ll

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llvm-toolchain-9 1%3A9.0.1-16.1
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; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s

@var = thread_local global i8 0

; N.b. x0 must be the result of the first load (i.e. the address of the
; descriptor) when tlv_get_addr is called. Likewise the result is returned in
; x0.
define i8 @get_var() {
; CHECK-LABEL: get_var:
; CHECK: adrp x[[TLVPDESC_SLOT_HI:[0-9]+]], _var@TLVPPAGE
; CHECK: ldr x0, [x[[TLVPDESC_SLOT_HI]], _var@TLVPPAGEOFF]
; CHECK: ldr [[TLV_GET_ADDR:x[0-9]+]], [x0]
; CHECK: blr [[TLV_GET_ADDR]]
; CHECK: ldrb w0, [x0]

  %val = load i8, i8* @var, align 1
  ret i8 %val
}