| ; Test general-dynamic TLS access optimizations. |
| ; |
| ; If we access two different TLS variables, we need two calls to |
| ; __tls_get_offset, but should load _GLOBAL_OFFSET_TABLE only once. |
| ; |
| ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "__tls_get_offset" | count 2 |
| ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "_GLOBAL_OFFSET_TABLE_" | count 1 |
| |
| @x = thread_local global i32 0 |
| @y = thread_local global i32 0 |
| |
| define i32 @foo() { |
| %valx = load i32, ptr @x |
| %valy = load i32, ptr @y |
| %add = add nsw i32 %valx, %valy |
| ret i32 %add |
| } |