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| author | The rustc-josh-sync Cronjob Bot <github-actions@github.com> | 2025-07-28 06:31:02 +0000 |
|---|---|---|
| committer | The rustc-josh-sync Cronjob Bot <github-actions@github.com> | 2025-07-28 06:31:02 +0000 |
| commit | f06945f047cb7bc233324ec6bd87481948a17b7b (patch) | |
| tree | b2bd88168ad92eb439e19304404059e581c05824 /tests/codegen-llvm/array-codegen.rs | |
| parent | d344aa849006a9a36928b4bb5f36fea7b6b5476a (diff) | |
| parent | 733dab558992d902d6d17576de1da768094e2cf3 (diff) | |
| download | rust-f06945f047cb7bc233324ec6bd87481948a17b7b.tar.gz rust-f06945f047cb7bc233324ec6bd87481948a17b7b.zip | |
Merge ref '733dab558992' from rust-lang/rust
Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: 733dab558992d902d6d17576de1da768094e2cf3 Filtered ref: 8f0faf94fb41d4e2a85ef2d23e5495f6bea1f31d This merge was created using https://github.com/rust-lang/josh-sync.
Diffstat (limited to 'tests/codegen-llvm/array-codegen.rs')
| -rw-r--r-- | tests/codegen-llvm/array-codegen.rs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/codegen-llvm/array-codegen.rs b/tests/codegen-llvm/array-codegen.rs new file mode 100644 index 00000000000..9b0c6e8c347 --- /dev/null +++ b/tests/codegen-llvm/array-codegen.rs @@ -0,0 +1,62 @@ +//@ compile-flags: -Copt-level=3 -C no-prepopulate-passes + +#![crate_type = "lib"] + +// CHECK-LABEL: @array_load +#[no_mangle] +pub fn array_load(a: &[u8; 4]) -> [u8; 4] { + // CHECK-NOT: alloca + // CHECK: %[[ALLOCA:.+]] = alloca [4 x i8], align 1 + // CHECK-NOT: alloca + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %[[ALLOCA]], ptr align 1 %a, {{.+}} 4, i1 false) + // CHECK: %[[TEMP:.+]] = load i32, ptr %[[ALLOCA]], align 1 + // CHECK: ret i32 %[[TEMP]] + *a +} + +// CHECK-LABEL: @array_store +#[no_mangle] +pub fn array_store(a: [u8; 4], p: &mut [u8; 4]) { + // CHECK-NOT: alloca + // CHECK: %[[TEMP:.+]] = alloca [4 x i8], [[TEMPALIGN:align [0-9]+]] + // CHECK-NOT: alloca + // CHECK: %a = alloca [4 x i8] + // CHECK-NOT: alloca + // store i32 %0, ptr %[[TEMP]] + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %a, ptr [[TEMPALIGN]] %[[TEMP]], {{.+}} 4, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %p, ptr align 1 %a, {{.+}} 4, i1 false) + *p = a; +} + +// CHECK-LABEL: @array_copy +#[no_mangle] +pub fn array_copy(a: &[u8; 4], p: &mut [u8; 4]) { + // CHECK-NOT: alloca + // CHECK: %[[LOCAL:.+]] = alloca [4 x i8], align 1 + // CHECK-NOT: alloca + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %[[LOCAL]], ptr align 1 %a, {{.+}} 4, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %p, ptr align 1 %[[LOCAL]], {{.+}} 4, i1 false) + *p = *a; +} + +// CHECK-LABEL: @array_copy_1_element +#[no_mangle] +pub fn array_copy_1_element(a: &[u8; 1], p: &mut [u8; 1]) { + // CHECK-NOT: alloca + // CHECK: %[[LOCAL:.+]] = alloca [1 x i8], align 1 + // CHECK-NOT: alloca + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %[[LOCAL]], ptr align 1 %a, {{.+}} 1, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %p, ptr align 1 %[[LOCAL]], {{.+}} 1, i1 false) + *p = *a; +} + +// CHECK-LABEL: @array_copy_2_elements +#[no_mangle] +pub fn array_copy_2_elements(a: &[u8; 2], p: &mut [u8; 2]) { + // CHECK-NOT: alloca + // CHECK: %[[LOCAL:.+]] = alloca [2 x i8], align 1 + // CHECK-NOT: alloca + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %[[LOCAL]], ptr align 1 %a, {{.+}} 2, i1 false) + // CHECK: call void @llvm.memcpy.{{.+}}(ptr align 1 %p, ptr align 1 %[[LOCAL]], {{.+}} 2, i1 false) + *p = *a; +} |