[llvm] [Xtensa] Lowering FRAMEADDR/RETURNADDR operations. (PR #107363)

Andrei Safronov via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 9 15:00:07 PDT 2024


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@@ -594,6 +594,26 @@ SDValue XtensaTargetLowering::LowerSELECT_CC(SDValue Op,
                      FalseValue, TargetCC);
 }
 
+SDValue XtensaTargetLowering::LowerRETURNADDR(SDValue Op,
+                                              SelectionDAG &DAG) const {
+  // check the depth
+  // TODO: xtensa-gcc can handle this, by navigating through the stack, we
+  // should be able to do this too
+  assert((cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue() == 0) &&
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andreisfr wrote:

Fixed. I hope  that I understand correctly your comment, 

https://github.com/llvm/llvm-project/pull/107363


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