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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:59:24 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:59:24 +0000 |
| commit | 023939b627b7dc93b01471f7d41fb8553ddb4ffa (patch) | |
| tree | 60fc59477c605c72b0a1051409062ddecc43f877 /tests/codegen/slice-init.rs | |
| parent | Adding debian version 1.72.1+dfsg1-1. (diff) | |
| download | rustc-023939b627b7dc93b01471f7d41fb8553ddb4ffa.tar.xz rustc-023939b627b7dc93b01471f7d41fb8553ddb4ffa.zip | |
Merging upstream version 1.73.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/codegen/slice-init.rs')
| -rw-r--r-- | tests/codegen/slice-init.rs | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/tests/codegen/slice-init.rs b/tests/codegen/slice-init.rs index 794b773a7..c0bf1a041 100644 --- a/tests/codegen/slice-init.rs +++ b/tests/codegen/slice-init.rs @@ -8,7 +8,7 @@ pub fn zero_sized_elem() { // CHECK-NOT: br label %repeat_loop_header{{.*}} // CHECK-NOT: call void @llvm.memset.p0 let x = [(); 4]; - drop(&x); + opaque(&x); } // CHECK-LABEL: @zero_len_array @@ -17,16 +17,16 @@ pub fn zero_len_array() { // CHECK-NOT: br label %repeat_loop_header{{.*}} // CHECK-NOT: call void @llvm.memset.p0 let x = [4; 0]; - drop(&x); + opaque(&x); } // CHECK-LABEL: @byte_array #[no_mangle] pub fn byte_array() { - // CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}, i8 7, i{{[0-9]+}} 4 + // CHECK: call void @llvm.memset.{{.+}}(ptr {{.*}}, i8 7, i{{[0-9]+}} 4 // CHECK-NOT: br label %repeat_loop_header{{.*}} let x = [7u8; 4]; - drop(&x); + opaque(&x); } #[allow(dead_code)] @@ -39,19 +39,19 @@ enum Init { // CHECK-LABEL: @byte_enum_array #[no_mangle] pub fn byte_enum_array() { - // CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}, i8 {{.*}}, i{{[0-9]+}} 4 + // CHECK: call void @llvm.memset.{{.+}}(ptr {{.*}}, i8 {{.*}}, i{{[0-9]+}} 4 // CHECK-NOT: br label %repeat_loop_header{{.*}} let x = [Init::Memset; 4]; - drop(&x); + opaque(&x); } // CHECK-LABEL: @zeroed_integer_array #[no_mangle] pub fn zeroed_integer_array() { - // CHECK: call void @llvm.memset.{{.+}}({{i8\*|ptr}} {{.*}}, i8 0, i{{[0-9]+}} 16 + // CHECK: call void @llvm.memset.{{.+}}(ptr {{.*}}, i8 0, i{{[0-9]+}} 16 // CHECK-NOT: br label %repeat_loop_header{{.*}} let x = [0u32; 4]; - drop(&x); + opaque(&x); } // CHECK-LABEL: @nonzero_integer_array @@ -60,5 +60,9 @@ pub fn nonzero_integer_array() { // CHECK: br label %repeat_loop_header{{.*}} // CHECK-NOT: call void @llvm.memset.p0 let x = [0x1a_2b_3c_4d_u32; 4]; - drop(&x); + opaque(&x); } + +// Use an opaque function to prevent rustc from removing useless drops. +#[inline(never)] +pub fn opaque(_: impl Sized) {} |