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39 lines
1.4 KiB
Rust
39 lines
1.4 KiB
Rust
//@ compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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#![feature(repr_simd, intrinsics)]
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#![allow(non_camel_case_types)]
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct Vec2<T>(pub [T; 2]);
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#[repr(simd)]
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct Vec4<T>(pub [T; 4]);
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extern "rust-intrinsic" {
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fn simd_masked_load<M, P, T>(mask: M, pointer: P, values: T) -> T;
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}
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// CHECK-LABEL: @load_f32x2
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#[no_mangle]
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pub unsafe fn load_f32x2(mask: Vec2<i32>, pointer: *const f32,
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values: Vec2<f32>) -> Vec2<f32> {
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// CHECK: [[A:%[0-9]+]] = lshr <2 x i32> {{.*}}, {{<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: call <2 x float> @llvm.masked.load.v2f32.p0(ptr {{.*}}, i32 4, <2 x i1> [[B]], <2 x float> {{.*}})
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simd_masked_load(mask, pointer, values)
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}
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// CHECK-LABEL: @load_pf32x4
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#[no_mangle]
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pub unsafe fn load_pf32x4(mask: Vec4<i32>, pointer: *const *const f32,
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values: Vec4<*const f32>) -> Vec4<*const f32> {
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// CHECK: [[A:%[0-9]+]] = lshr <4 x i32> {{.*}}, {{<i32 31, i32 31, i32 31, i32 31>|splat \(i32 31\)}}
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// CHECK: [[B:%[0-9]+]] = trunc <4 x i32> [[A]] to <4 x i1>
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// CHECK: call <4 x ptr> @llvm.masked.load.v4p0.p0(ptr {{.*}}, i32 {{.*}}, <4 x i1> [[B]], <4 x ptr> {{.*}})
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simd_masked_load(mask, pointer, values)
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}
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