================
@@ -145,9 +160,78 @@ namespace {
.addImm(0);
if (IsAIX) {
- // The variable offset and region handle are copied in r4 and r3. The
- // copies are followed by GETtlsADDR32AIX/GETtlsADDR64AIX.
- if (!IsTLSTPRelMI) {
+ if (IsTLSLDAIXMI) {
+ // The relative order between the LoadOffset@toc node, and the
+ // ._tls_get_mod node is being tuned here. It is better to put the
+ // LoadOffset@toc node after the call, since the LoadOffset@toc
node
+ // can use clobbers r4/r5. Search for the pattern of two Load@toc
+ // nodes, and then move the LoadOffset@toc node right before the
+ // node that uses the OutReg of the ._tls_get_mod node.
----------------
amy-kwan wrote:
```suggestion
// node that uses the OutReg of the .__tls_get_mod node.
```
https://github.com/llvm/llvm-project/pull/66316
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