File: arm64-tls-darwin.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (19 lines) | stat: -rw-r--r-- 705 bytes parent folder | download | duplicates (7)
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, i8* @var, align 1
  ret i8 %val
}