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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs')
| -rw-r--r-- | tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs b/tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs new file mode 100644 index 00000000000..294262d8152 --- /dev/null +++ b/tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-bitmask.rs @@ -0,0 +1,48 @@ +//@ 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) +} |
