//@ compile-flags: -C no-prepopulate-passes // #![crate_type = "lib"] #![feature(repr_simd, intrinsics)] #![allow(non_camel_case_types)] #[repr(simd)] #[derive(Copy, Clone)] pub struct u32x2([u32; 2]); #[repr(simd)] #[derive(Copy, Clone)] pub struct i32x2([i32; 2]); #[repr(simd)] #[derive(Copy, Clone)] pub struct i8x16([i8; 16]); extern "rust-intrinsic" { fn simd_bitmask(x: T) -> U; } // 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}}, // 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}}, // 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}}, // 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) }