File: arm64-tls-darwin.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (19 lines) | stat: -rw-r--r-- 705 bytes parent folder | download | duplicates (12) 
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
}