| ; 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 | |
| } |