[all-commits] [llvm/llvm-project] 6ec03a: [CIR] Implement 'ArrayInitLoopExpr lowering' in Ex...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ec03a7fea2103ac103b767c03ed3065d3922356
      https://github.com/llvm/llvm-project/commit/6ec03a7fea2103ac103b767c03ed3065d3922356
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2026-04-15 (Wed, 15 Apr 2026)

  Changed paths:
    M clang/lib/CIR/CodeGen/CIRGenExprAggregate.cpp
    M clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp
    M clang/lib/CIR/CodeGen/CIRGenFunction.h
    A clang/test/CIR/CodeGen/array-init-loop-exprs.cpp

  Log Message:
  -----------
  [CIR] Implement 'ArrayInitLoopExpr lowering' in ExprAgg. (#192053)

This ended up being a fairly common pattern: a copy operation on a
structure with an array inside of it. Classic-Codegen has a few
different ways of initializing/copying an array, of which this is one.
However, this patch uses the array-init functionality we already have.

This ends up being a bit verbose, but will make sure we don't have to
worry about separately handling throwing types/etc for this AST node.

Additionally, this has to handle the ArrayInitIndexExpr, but that is as
simple as making sure we properly cache the index value when doing our
initialization.



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