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62 lines
2.4 KiB
Rust
62 lines
2.4 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(repr_simd, core_intrinsics)]
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#![allow(non_camel_case_types)]
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use std::intrinsics::simd::{simd_reduce_all, simd_reduce_any};
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct mask32x2([i32; 2]);
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#[repr(simd)]
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#[derive(Copy, Clone)]
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pub struct mask8x16([i8; 16]);
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// NOTE(eddyb) `%{{x|1}}` is used because on some targets (e.g. WASM)
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// SIMD vectors are passed directly, resulting in `%x` being a vector,
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// while on others they're passed indirectly, resulting in `%x` being
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// a pointer to a vector, and `%1` a vector loaded from that pointer.
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// This is controlled by the target spec option `simd_types_indirect`.
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// CHECK-LABEL: @reduce_any_32x2
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#[no_mangle]
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pub unsafe fn reduce_any_32x2(x: mask32x2) -> bool {
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// CHECK: [[A:%[0-9]+]] = lshr <2 x i32> %{{x|1}}, {{<i32 31, i32 31>|splat \(i32 31\)}}
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// CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1>
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// CHECK: [[C:%[0-9]+]] = call i1 @llvm.vector.reduce.or.v2i1(<2 x i1> [[B]])
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// CHECK: %{{[0-9]+}} = zext i1 [[C]] to i8
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simd_reduce_any(x)
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}
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// CHECK-LABEL: @reduce_all_32x2
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#[no_mangle]
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pub unsafe fn reduce_all_32x2(x: mask32x2) -> bool {
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// CHECK: [[A:%[0-9]+]] = lshr <2 x i32> %{{x|1}}, {{<i32 31, i32 31>|splat \(i32 31\)}}
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// CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1>
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// CHECK: [[C:%[0-9]+]] = call i1 @llvm.vector.reduce.and.v2i1(<2 x i1> [[B]])
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// CHECK: %{{[0-9]+}} = zext i1 [[C]] to i8
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simd_reduce_all(x)
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}
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// CHECK-LABEL: @reduce_any_8x16
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#[no_mangle]
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pub unsafe fn reduce_any_8x16(x: mask8x16) -> bool {
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// CHECK: [[A:%[0-9]+]] = lshr <16 x i8> %{{x|1}}, {{<i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7>|splat \(i8 7\)}}
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// CHECK: [[B:%[0-9]+]] = trunc <16 x i8> [[A]] to <16 x i1>
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// CHECK: [[C:%[0-9]+]] = call i1 @llvm.vector.reduce.or.v16i1(<16 x i1> [[B]])
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// CHECK: %{{[0-9]+}} = zext i1 [[C]] to i8
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simd_reduce_any(x)
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}
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// CHECK-LABEL: @reduce_all_8x16
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#[no_mangle]
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pub unsafe fn reduce_all_8x16(x: mask8x16) -> bool {
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// CHECK: [[A:%[0-9]+]] = lshr <16 x i8> %{{x|1}}, {{<i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7, i8 7>|splat \(i8 7\)}}
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// CHECK: [[B:%[0-9]+]] = trunc <16 x i8> [[A]] to <16 x i1>
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// CHECK: [[C:%[0-9]+]] = call i1 @llvm.vector.reduce.and.v16i1(<16 x i1> [[B]])
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// CHECK: %{{[0-9]+}} = zext i1 [[C]] to i8
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simd_reduce_all(x)
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}
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