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[CIR] Add initial support for bit-precise integer types #538

Merged
merged 4 commits into from
Apr 15, 2024
Merged

[CIR] Add initial support for bit-precise integer types #538

merged 4 commits into from
Apr 15, 2024

Commits on Apr 14, 2024

  1. [CIR] Add initial support for bit-precise integer types 

    This patch adds support for the bit-precise integer type `_BitInt(N)`. This type
goes into the C23 standard, and has already been supported by clang since 2020,
previously known as `_ExtInt(N)`.

Basically this patch leverages the existing `cir.int` type to represent such
types. Previously `cir.int` verifies that its width must be a multiple of 8, and
this verification has been removed in this patch.
    @Lancern
    Lancern committed Apr 14, 2024
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  2. Add more tests from upstream CodeGen

    @Lancern
    Lancern committed Apr 14, 2024
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  3. Update type constraints and split out standard integer type requirements

    @Lancern
    Lancern committed Apr 14, 2024
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  4. Rename StdInt to PrimitiveInt

    @Lancern
    Lancern committed Apr 14, 2024
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