File: tls-07.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (16 lines) | stat: -rw-r--r-- 487 bytes parent folder | download | duplicates (20) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; Test local-dynamic TLS access optimizations.
;
; If we access two different local-dynamic TLS variables, we only
; need 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(localdynamic) global i32 0
@y = thread_local(localdynamic) global i32 0

define i32 @foo() {
  %valx = load i32, i32* @x
  %valy = load i32, i32* @y
  %add = add nsw i32 %valx, %valy
  ret i32 %add
}