| // |
| |
| //@ compile-flags: -C no-prepopulate-passes |
| |
| #![crate_type = "lib"] |
| #![feature(repr_simd, core_intrinsics)] |
| #![allow(non_camel_case_types)] |
| |
| use std::intrinsics::simd::simd_scatter; |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq, Debug)] |
| pub struct Vec2<T>(pub [T; 2]); |
| |
| #[repr(simd)] |
| #[derive(Copy, Clone, PartialEq, Debug)] |
| pub struct Vec4<T>(pub [T; 4]); |
| |
| // CHECK-LABEL: @scatter_f32x2 |
| #[no_mangle] |
| pub unsafe fn scatter_f32x2(pointers: Vec2<*mut f32>, mask: Vec2<i32>, values: Vec2<f32>) { |
| // CHECK: [[A:%[0-9]+]] = lshr <2 x i32> {{.*}}, {{<i32 31, i32 31>|splat \(i32 31\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1> |
| // CHECK: call void @llvm.masked.scatter.v2f32.v2p0(<2 x float> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]] |
| simd_scatter(values, pointers, mask) |
| } |
| |
| // CHECK-LABEL: @scatter_f32x2_unsigned |
| #[no_mangle] |
| pub unsafe fn scatter_f32x2_unsigned(pointers: Vec2<*mut f32>, mask: Vec2<u32>, values: Vec2<f32>) { |
| // CHECK: [[A:%[0-9]+]] = lshr <2 x i32> {{.*}}, {{<i32 31, i32 31>|splat \(i32 31\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1> |
| // CHECK: call void @llvm.masked.scatter.v2f32.v2p0(<2 x float> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]] |
| simd_scatter(values, pointers, mask) |
| } |
| |
| // CHECK-LABEL: @scatter_pf32x2 |
| #[no_mangle] |
| pub unsafe fn scatter_pf32x2( |
| pointers: Vec2<*mut *const f32>, |
| mask: Vec2<i32>, |
| values: Vec2<*const f32>, |
| ) { |
| // CHECK: [[A:%[0-9]+]] = lshr <2 x i32> {{.*}}, {{<i32 31, i32 31>|splat \(i32 31\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1> |
| // CHECK: call void @llvm.masked.scatter.v2p0.v2p0(<2 x ptr> {{.*}}, <2 x ptr> {{.*}}, i32 {{.*}}, <2 x i1> [[B]] |
| simd_scatter(values, pointers, mask) |
| } |
