[all-commits] [llvm/llvm-project] 229e42: [mlir][tosa] Handle function declarations in tosa ...

[Jiaqi He via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 229e42155579d191ce114d1e067a2a05aba564e3
      https://github.com/llvm/llvm-project/commit/229e42155579d191ce114d1e067a2a05aba564e3
  Author: Jiaqi He <heturing at gmail.com>
  Date:   2026-06-24 (Wed, 24 Jun 2026)

  Changed paths:
    M mlir/lib/Dialect/Tosa/Transforms/TosaInputShape.cpp
    M mlir/test/Dialect/Tosa/tosa-input-shape.mlir

  Log Message:
  -----------
  [mlir][tosa] Handle function declarations in tosa input shape pass (#205359)

Fixes https://github.com/llvm/llvm-project/issues/205063.

The `tosa-experimental-input-shape` pass currently does not handle
function declarations correctly. The pass may run on declarations, but
the current implementation assumes that every function has a body and
unconditionally accesses the entry block and the last block when
updating argument and result types.

This patch checks whether the function has a body before accessing body
blocks. For declarations, the pass updates the function signature input
types and preserves the original result types, since there is no return
operation from which result types can be inferred.

A regression test is added for the declaration case.



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