[CIR][CodeGen] Removed special handling for array of union #1780
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andykaylor
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Aug 6, 2025
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Thanks for the review @andykaylor, I applied the requested changes. |
Special handling for array of union was forcing all non-union C arrays to be emitted as CIR arrays, which differs from OG CodeGen, where some arrays are emitted as structs.
…e handling result
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Rebased on top of latest rebase. |
| @@ -1159,8 +1117,7 @@ class ConstExprEmitter | |||
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| if (i == 0) | |||
| CommonElementType = C.getType(); | |||
| else if (isDesiredArrayOfUnionDirectly && | |||
| C.getType() != CommonElementType) | |||
| else if (C.getType() != CommonElementType) | |||
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It's worth adding a comment here to briefly mention how we deviate from OG (absence of isDesiredArrayOfUnionDirectly)
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I noticed a linux failure, is that related? |
Looks like they're all errors in clang-tidy: I can look into it in the morning. |
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Special handling for array of unions was forcing all non-union C arrays to be emitted as CIR arrays, which differs from OG CodeGen, where array may be emitted as LLVM struct.
Closes #1315