diff options
Diffstat (limited to 'tests/codegen/mem-replace-direct-memcpy.rs')
| -rw-r--r-- | tests/codegen/mem-replace-direct-memcpy.rs | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/tests/codegen/mem-replace-direct-memcpy.rs b/tests/codegen/mem-replace-direct-memcpy.rs index 3b01a621b56..83babab4f84 100644 --- a/tests/codegen/mem-replace-direct-memcpy.rs +++ b/tests/codegen/mem-replace-direct-memcpy.rs @@ -12,33 +12,11 @@ pub fn replace_byte(dst: &mut u8, src: u8) -> u8 { std::mem::replace(dst, src) } -#[repr(C, align(8))] -pub struct Big([u64; 7]); -pub fn replace_big(dst: &mut Big, src: Big) -> Big { - // Before the `read_via_copy` intrinsic, this emitted six `memcpy`s. - std::mem::replace(dst, src) -} - // NOTE(eddyb) the `CHECK-NOT`s ensure that the only calls of `@llvm.memcpy` in // the entire output, are the direct calls we want, from `ptr::replace`. // CHECK-NOT: call void @llvm.memcpy -// For a large type, we expect exactly three `memcpy`s -// CHECK-LABEL: define internal void @{{.+}}mem{{.+}}replace{{.+}}sret(%Big) - // CHECK-NOT: alloca - // CHECK: alloca %Big - // CHECK-NOT: alloca - // CHECK-NOT: call void @llvm.memcpy - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false) - // CHECK-NOT: call void @llvm.memcpy - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false) - // CHECK-NOT: call void @llvm.memcpy - // CHECK: call void @llvm.memcpy.{{.+}}({{i8\*|ptr}} align 8 %{{.*}}, {{i8\*|ptr}} align 8 %{{.*}}, i{{.*}} 56, i1 false) - // CHECK-NOT: call void @llvm.memcpy - -// CHECK-NOT: call void @llvm.memcpy - // For a small type, we expect one each of `load`/`store`/`memcpy` instead // CHECK-LABEL: define internal noundef i8 @{{.+}}mem{{.+}}replace // CHECK-NOT: alloca |