[clang] [llvm] [clang] Generate nuw GEPs for struct member accesses (PR #99538)

[Hari Limaye via llvm-commits]

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@@ -1902,16 +1902,18 @@ class IRBuilderBase {
   }
 
   Value *CreateConstGEP2_32(Type *Ty, Value *Ptr, unsigned Idx0, unsigned Idx1,
-                            const Twine &Name = "") {
+                            const Twine &Name = "",
+                            GEPNoWrapFlags NWFlags = GEPNoWrapFlags::none()) {
     Value *Idxs[] = {
       ConstantInt::get(Type::getInt32Ty(Context), Idx0),
       ConstantInt::get(Type::getInt32Ty(Context), Idx1)
     };
 
-    if (auto *V = Folder.FoldGEP(Ty, Ptr, Idxs, GEPNoWrapFlags::none()))
+    if (auto *V =
+            Folder.FoldGEP(Ty, Ptr, Idxs, /*IsInBounds=*/NWFlags.isInBounds()))
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hazzlim wrote:

Yes, sorry about that - updated to pass the full `NWFlags` correctly (+ associated test updates).

https://github.com/llvm/llvm-project/pull/99538