[Mlir-commits] [mlir] [MLIR][LLVMIR] Restore constant folding for global initializer GEPs (PR #227651)

[Henrich Lauko]

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@@ -282,6 +283,10 @@ static LogicalResult convertGEPOp(GEPOp op, llvm::IRBuilderBase &builder,
     if (!res)
       return op.emitError("failed to lower " + WhyConstExpr +
                           " to a constant byte offset");
+    // Fold the constant as CreateGEP did through the TargetFolder. This also
+    // infers inbounds and nuw when the offset stays within the global.
+    if (!inrangeAttr)
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xlauko wrote:

I guess no good reason, it only kept the inrange output identical to before #226904, since that
path never went through the folder. I dropped it.

https://github.com/llvm/llvm-project/pull/227651