xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/tls-07.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test local-dynamic TLS access optimizations.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; If we access two different local-dynamic TLS variables, we only
4*9880d681SAndroid Build Coastguard Worker; need a single call to __tls_get_offset.
5*9880d681SAndroid Build Coastguard Worker;
6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=z10 -mtriple=s390x-linux-gnu -relocation-model=pic | grep "__tls_get_offset" | count 1
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker@x = thread_local(localdynamic) global i32 0
9*9880d681SAndroid Build Coastguard Worker@y = thread_local(localdynamic) global i32 0
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Workerdefine i32 @foo() {
12*9880d681SAndroid Build Coastguard Worker  %valx = load i32, i32* @x
13*9880d681SAndroid Build Coastguard Worker  %valy = load i32, i32* @y
14*9880d681SAndroid Build Coastguard Worker  %add = add nsw i32 %valx, %valy
15*9880d681SAndroid Build Coastguard Worker  ret i32 %add
16*9880d681SAndroid Build Coastguard Worker}
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