File: arm64-tls-darwin.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (19 lines) | stat: -rw-r--r-- 705 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc -mtriple=arm64-apple-ios7.0 %s -o - | FileCheck %s
; RUN: llc -mtriple=arm64-apple-ios7.0 -global-isel -global-isel-abort=1 -verify-machineinstrs %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 x[[PTR:[0-9]+]], [x[[TLVPDESC_SLOT_HI]], _var@TLVPPAGEOFF]
 ; CHECK: ldr [[TLV_GET_ADDR:x[0-9]+]], [x[[PTR]]]
; CHECK: blr [[TLV_GET_ADDR]]
; CHECK: ldrb w0, [x0]

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