| ; 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 | |
| } |