48 lines
1.7 KiB
Rust
48 lines
1.7 KiB
Rust
//
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//@ 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_scatter;
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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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// CHECK-LABEL: @scatter_f32x2
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#[no_mangle]
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pub unsafe fn scatter_f32x2(pointers: Vec2<*mut f32>, mask: Vec2<i32>, values: 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 void @llvm.masked.scatter.v2f32.v2p0(<2 x float> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]]
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simd_scatter(values, pointers, mask)
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}
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// CHECK-LABEL: @scatter_f32x2_unsigned
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#[no_mangle]
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pub unsafe fn scatter_f32x2_unsigned(pointers: Vec2<*mut f32>, mask: Vec2<u32>, values: 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 void @llvm.masked.scatter.v2f32.v2p0(<2 x float> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]]
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simd_scatter(values, pointers, mask)
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}
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// CHECK-LABEL: @scatter_pf32x2
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#[no_mangle]
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pub unsafe fn scatter_pf32x2(
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pointers: Vec2<*mut *const f32>,
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mask: Vec2<i32>,
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values: Vec2<*const f32>,
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) {
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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 void @llvm.masked.scatter.v2p0.v2p0(<2 x ptr> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]]
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simd_scatter(values, pointers, mask)
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}
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