nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-01 15:01:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

tests: Use arguments in codegen/stores.rs to turn aggregates into immediates.

Browse Source
This commit is contained in:
Eduard Burtescu 2016-03-06 14:28:11 +02:00
parent 6c0674e613
commit bffb0decc8
1 changed files with 8 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/test/codegen/stores.rs
View File

@ -23,25 +23,18 @@ pub struct Bytes {
// The array is stored as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
pub fn small_array_alignment(x: &mut [i8; 4]) {
// CHECK: [[VAR:%[0-9]+]] = load {{(\[4 x i8\]\*, )?}}[4 x i8]** %x
// CHECK: [[VAR2:%[0-9]+]] = bitcast [4 x i8]* [[VAR]] to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR2]], align 1
*x = [0; 4];
pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) {
// CHECK: [[VAR:%[0-9]+]] = bitcast [4 x i8]* %y to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR]], align 1
*x = y;
}
// CHECK-LABEL: small_struct_alignment
// The struct is stored as i32, but its alignment is lower, go with 1 byte to avoid target
// dependent alignment
#[no_mangle]
pub fn small_struct_alignment(x: &mut Bytes) {
// CHECK: [[VAR:%[0-9]+]] = load {{(%Bytes\*, )?}}%Bytes** %x
// CHECK: [[VAR2:%[0-9]+]] = bitcast %Bytes* [[VAR]] to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR2]], align 1
*x = Bytes {
a: 0,
b: 0,
c: 0,
d: 0,
};
pub fn small_struct_alignment(x: &mut Bytes, y: Bytes) {
// CHECK: [[VAR:%[0-9]+]] = bitcast %Bytes* %y to i32*
// CHECK: store i32 %{{.*}}, i32* [[VAR]], align 1
*x = y;
}