File: tls-05.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (15 lines) | stat: -rw-r--r-- 416 bytes parent folder | download | duplicates (20) 
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, i32* @x
  %inc = add nsw i32 %val, 1
  store i32 %inc, i32* @x
  ret i32 %val
}