Xamarin Public Jenkins (auto-signing) 64ac736ec5 Imported Upstream version 6.0.0.172
Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
2019-04-12 14:10:50 +00:00

16 lines
416 B
LLVM

; 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
}