| //@ compile-flags: -C no-prepopulate-passes |
| // |
| |
| #![crate_type = "lib"] |
| #![feature(repr_simd, core_intrinsics)] |
| #![allow(non_camel_case_types)] |
| |
| #[path = "../../auxiliary/minisimd.rs"] |
| mod minisimd; |
| use minisimd::*; |
| |
| use std::intrinsics::simd::simd_bitmask; |
| |
| // NOTE(eddyb) `%{{x|1}}` is used because on some targets (e.g. WASM) |
| // SIMD vectors are passed directly, resulting in `%x` being a vector, |
| // while on others they're passed indirectly, resulting in `%x` being |
| // a pointer to a vector, and `%1` a vector loaded from that pointer. |
| // This is controlled by the target spec option `simd_types_indirect`. |
| |
| // CHECK-LABEL: @bitmask_int |
| #[no_mangle] |
| pub unsafe fn bitmask_int(x: i32x2) -> u8 { |
| // CHECK: [[A:%[0-9]+]] = lshr <2 x i32> %{{x|1}}, {{<i32 31, i32 31>|splat \(i32 31\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1> |
| // CHECK: [[C:%[0-9]+]] = bitcast <2 x i1> [[B]] to i2 |
| // CHECK: %{{[0-9]+}} = zext i2 [[C]] to i8 |
| simd_bitmask(x) |
| } |
| |
| // CHECK-LABEL: @bitmask_uint |
| #[no_mangle] |
| pub unsafe fn bitmask_uint(x: u32x2) -> u8 { |
| // CHECK: [[A:%[0-9]+]] = lshr <2 x i32> %{{x|1}}, {{<i32 31, i32 31>|splat \(i32 31\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <2 x i32> [[A]] to <2 x i1> |
| // CHECK: [[C:%[0-9]+]] = bitcast <2 x i1> [[B]] to i2 |
| // CHECK: %{{[0-9]+}} = zext i2 [[C]] to i8 |
| simd_bitmask(x) |
| } |
| |
| // CHECK-LABEL: @bitmask_int16 |
| #[no_mangle] |
| pub unsafe fn bitmask_int16(x: i8x16) -> u16 { |
| // CHECK: [[A:%[0-9]+]] = lshr <16 x i8> %{{x|1|2}}, {{<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 \(i8 7\)}} |
| // CHECK: [[B:%[0-9]+]] = trunc <16 x i8> [[A]] to <16 x i1> |
| // CHECK: %{{[0-9]+}} = bitcast <16 x i1> [[B]] to i16 |
| // CHECK-NOT: zext |
| simd_bitmask(x) |
| } |
