1 ; Test general-dynamic TLS access optimizations. 2 ; 3 ; If we access the same TLS variable twice, there should only be 4 ; a single call to __tls_get_offset. 5 ; 6 ; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "__tls_get_offset" | count 1 7 8 @x = thread_local global i32 0 9 10 define i32 @foo() { 11 %val = load i32, i32* @x 12 %inc = add nsw i32 %val, 1 13 store i32 %inc, i32* @x 14 ret i32 %val 15 } 16
