File: tls-05.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (15 lines) | stat: -rw-r--r-- 414 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; Test general-dynamic TLS access optimizations.
;
; If we access the same TLS variable twice, there should only be
; a single call to __tls_get_offset.
;
; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "__tls_get_offset" | count 1

@x = thread_local global i32 0

define i32 @foo() {
  %val = load i32, ptr @x
  %inc = add nsw i32 %val, 1
  store i32 %inc, ptr @x
  ret i32 %val
}