[llvm] [CodeGen] Inline stack guard check on Windows (PR #136290)

Eli Friedman via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 5 17:52:59 PDT 2025


================
@@ -3037,8 +3037,9 @@ void SelectionDAGBuilder::visitSPDescriptorParent(StackProtectorDescriptor &SPD,
 
   // First create the loads to the guard/stack slot for the comparison.
   const TargetLowering &TLI = DAG.getTargetLoweringInfo();
-  EVT PtrTy = TLI.getPointerTy(DAG.getDataLayout());
-  EVT PtrMemTy = TLI.getPointerMemTy(DAG.getDataLayout());
+  auto &DL = DAG.getDataLayout();
+  EVT PtrTy = TLI.getPointerTy(DL);
+  EVT PtrMemTy = TLI.getPointerMemTy(DL);
----------------
efriedma-quic wrote:

```suggestion
  EVT PtrTy = TLI.getFrameIndexTy(DL);
  EVT PtrMemTy = TLI.getPointerMemTy(DL, DL.getAllocaAddrSpace());
```

https://github.com/llvm/llvm-project/pull/136290


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