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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:18:58 +0000 |
commit | a4b7ed7a42c716ab9f05e351f003d589124fd55d (patch) | |
tree | b620cd3f223850b28716e474e80c58059dca5dd4 /tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs | |
parent | Adding upstream version 1.67.1+dfsg1. (diff) | |
download | rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip |
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs')
-rw-r--r-- | tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs new file mode 100644 index 000000000..4a98d797b --- /dev/null +++ b/tests/codegen/simd-intrinsic/simd-intrinsic-generic-bitmask.rs @@ -0,0 +1,63 @@ +// compile-flags: -C no-prepopulate-passes +// + +#![crate_type = "lib"] + +#![feature(repr_simd, platform_intrinsics)] +#![allow(non_camel_case_types)] + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct u32x2(u32, u32); + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct i32x2(i32, i32); + +#[repr(simd)] +#[derive(Copy, Clone)] +pub struct i8x16( + i8, i8, i8, i8, i8, i8, i8, i8, + i8, i8, i8, i8, i8, i8, i8, i8, +); + + +extern "platform-intrinsic" { + fn simd_bitmask<T, U>(x: T) -> U; +} + +// NOTE(eddyb) `%{{x|_2}}` 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 `%_2` 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|_2}}, <i32 31, 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|_2}}, <i32 31, 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|_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> + // 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) +} |