[Mlir-commits] [mlir] [MLIR][LLVM] Produce canonical const GEP in convertGEPOp (PR #226699)

[llvmlistbot at llvm.org]

llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-mlir-llvm

Author: Letu Ren (FantasqueX)

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<summary>Changes</summary>

The DataLayout overload of ConstantExpr::getGetElementPtr is the form that replaces typed constant GEPs. Use it for inrange GEPs and fail translation when the indices cannot be reduced to a byte offset.

This resolves https://github.com/llvm/llvm-project/pull/220424#discussion_r4092337505

Assisted-by: grok-4.7

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Full diff: https://github.com/llvm/llvm-project/pull/226699.diff


2 Files Affected:

- (modified) mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp (+6-1) 
- (modified) mlir/test/Target/LLVMIR/llvmir.mlir (+1-1) 


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</details>


https://github.com/llvm/llvm-project/pull/226699