[all-commits] [llvm/llvm-project] 549626: [SPIRV] Add Intermediate cast when Vector From/To ...

[Farzon Lotfi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 549626702518d8ef0af45f4438d755a99f50e38c
      https://github.com/llvm/llvm-project/commit/549626702518d8ef0af45f4438d755a99f50e38c
  Author: Farzon Lotfi <farzonlotfi at microsoft.com>
  Date:   2026-02-24 (Tue, 24 Feb 2026)

  Changed paths:
    M llvm/lib/Target/SPIRV/SPIRVLegalizePointerCast.cpp
    M llvm/test/CodeGen/SPIRV/pointers/ptrcast-bitcast.ll

  Log Message:
  -----------
  [SPIRV] Add Intermediate cast when Vector From/To types are of different element size and type (#182166)

fixes https://github.com/llvm/llvm-project/issues/177838

- Replaced assert(TargetTypeSize == SourceTypeSize) with a conditional:
when sizes differ, compute a BitcastType with the target's element type
but sized to match the source's total bitwidth
- Instead of unconditionally returning after bitcast, only return early
if BitcastType == TargetType (same-size case), otherwise fall through to
the shuffle logic
- Updated the final assert to use AssignValue->getType() since that may
now be the intermediate type rather than SourceType



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