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27 lines
750 B
Rust
27 lines
750 B
Rust
// compile-flags: -C no-prepopulate-passes
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// only-64bit (because the LLVM type of i64 for usize shows up)
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//
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#![crate_type = "lib"]
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#![feature(repr_simd, platform_intrinsics)]
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extern "platform-intrinsic" {
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pub(crate) fn simd_arith_offset<T, U>(ptrs: T, offsets: U) -> T;
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}
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/// A vector of *const T.
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#[derive(Debug, Copy, Clone)]
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#[repr(simd)]
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pub struct SimdConstPtr<T, const LANES: usize>([*const T; LANES]);
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#[derive(Debug, Copy, Clone)]
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#[repr(simd)]
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pub struct Simd<T, const LANES: usize>([T; LANES]);
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// CHECK-LABEL: smoke
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#[no_mangle]
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pub fn smoke(ptrs: SimdConstPtr<u8, 8>, offsets: Simd<usize, 8>) -> SimdConstPtr<u8, 8> {
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// CHECK: getelementptr i8, <8 x ptr> %0, <8 x i64> %1
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unsafe { simd_arith_offset(ptrs, offsets) }
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}
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