Fortify codegen test.

This commit is contained in:
Camille GILLOT 2023-03-11 18:36:10 +00:00
parent 05b82e551e
commit 341e0f78d1

View File

@ -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
@ -17,7 +17,7 @@ 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
@ -26,7 +26,7 @@ pub fn byte_array() {
// CHECK: call void @llvm.memset.{{.+}}({{i8\*|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)]
@ -42,7 +42,7 @@ pub fn byte_enum_array() {
// CHECK: call void @llvm.memset.{{.+}}({{i8\*|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
@ -51,7 +51,7 @@ pub fn zeroed_integer_array() {
// CHECK: call void @llvm.memset.{{.+}}({{i8\*|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) {}