topperc wrote:
> > Why don’t any of our lit tests that use every intrinsic catch it?
>
> Somehow if we add more "target-feature" the intrinsics increase, I'm not sure
> why. For example:
>
> ```
> test.c
>
> #include "riscv_vector.h"
> vfloat16mf4x7_t test_vlseg7e16ff_v_f16mf4x7(const _Float16 *base, size_t
> *new_vl, size_t vl) {
> return __riscv_vlseg7e16ff_v_f16mf4x7(base, new_vl, vl);
> }
> ```
>
> Compile with this command:
>
> ```
> clang -cc1 -triple riscv64-- -S -target-feature +v -target-feature +zvfh
> -target-abi lp64d test.c
> ```
>
> generate 61674 intrinsics. However if we add `-target-feature +zvfbfmin`
>
> ```
> clang -cc1 -triple riscv64-- -S -target-feature +v -target-feature +zvfh
> -target-feature +zvfbfmin -target-abi lp64d test.c
> ```
>
> generate 64568 intrinsics
>
> it's weird.
Why is it weird? Some intrinsics require specific features. If that feature
isn't enabled, the intrinsic is skipped.
https://github.com/llvm/llvm-project/pull/111481
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