[all-commits] [llvm/llvm-project] 62744f: [AArch64][NEON] NEON intrinsic compilation error w...

[Amina Chabane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 62744f368166f223740e5f6105aeb11ea854728d
      https://github.com/llvm/llvm-project/commit/62744f368166f223740e5f6105aeb11ea854728d
  Author: Amina Chabane <amina.chabane at arm.com>
  Date:   2025-07-30 (Wed, 30 Jul 2025)

  Changed paths:
    M clang/test/CodeGen/AArch64/neon-scalar-copy.c
    M clang/test/CodeGen/AArch64/neon-vget.c
    M clang/test/CodeGen/AArch64/poly64.c
    M clang/utils/TableGen/NeonEmitter.cpp

  Log Message:
  -----------
  [AArch64][NEON] NEON intrinsic compilation error with -fno-lax-vector-conversion flag fix (#149329)

Issue originally raised in
https://github.com/llvm/llvm-project/issues/71362#issuecomment-3028515618.
Certain NEON intrinsics that operate on poly types (e.g. poly8x8_t)
failed to compile with the -fno-lax-vector-conversions flag. This patch
updates NeonEmitter.cpp to insert an explicit __builtin_bit_cast from
poly types to the required signed integer vector types when generating
lane-related intrinsics. A test 'neon-bitcast-poly.ll' is included.



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