diff options
Diffstat (limited to 'tests/codegen-llvm/intrinsics/prefetch.rs')
| -rw-r--r-- | tests/codegen-llvm/intrinsics/prefetch.rs | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/codegen-llvm/intrinsics/prefetch.rs b/tests/codegen-llvm/intrinsics/prefetch.rs new file mode 100644 index 00000000000..3f9f21c85cb --- /dev/null +++ b/tests/codegen-llvm/intrinsics/prefetch.rs @@ -0,0 +1,64 @@ +//@ compile-flags: -C no-prepopulate-passes + +#![crate_type = "lib"] +#![feature(core_intrinsics)] + +use std::intrinsics::{ + prefetch_read_data, prefetch_read_instruction, prefetch_write_data, prefetch_write_instruction, +}; + +#[no_mangle] +pub fn check_prefetch_read_data(data: &[i8]) { + unsafe { + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 0, i32 1) + prefetch_read_data(data.as_ptr(), 0); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 1) + prefetch_read_data(data.as_ptr(), 1); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 1) + prefetch_read_data(data.as_ptr(), 2); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 3, i32 1) + prefetch_read_data(data.as_ptr(), 3); + } +} + +#[no_mangle] +pub fn check_prefetch_write_data(data: &[i8]) { + unsafe { + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 0, i32 1) + prefetch_write_data(data.as_ptr(), 0); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 1) + prefetch_write_data(data.as_ptr(), 1); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 1) + prefetch_write_data(data.as_ptr(), 2); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 3, i32 1) + prefetch_write_data(data.as_ptr(), 3); + } +} + +#[no_mangle] +pub fn check_prefetch_read_instruction(data: &[i8]) { + unsafe { + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 0, i32 0) + prefetch_read_instruction(data.as_ptr(), 0); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 1, i32 0) + prefetch_read_instruction(data.as_ptr(), 1); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 2, i32 0) + prefetch_read_instruction(data.as_ptr(), 2); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 0, i32 3, i32 0) + prefetch_read_instruction(data.as_ptr(), 3); + } +} + +#[no_mangle] +pub fn check_prefetch_write_instruction(data: &[i8]) { + unsafe { + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 0, i32 0) + prefetch_write_instruction(data.as_ptr(), 0); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 1, i32 0) + prefetch_write_instruction(data.as_ptr(), 1); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 2, i32 0) + prefetch_write_instruction(data.as_ptr(), 2); + // CHECK: call void @llvm.prefetch{{.*}}({{.*}}, i32 1, i32 3, i32 0) + prefetch_write_instruction(data.as_ptr(), 3); + } +} |