rust/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff
Scott McMurray 64cce5fc7d Add CastKind::Transmute to MIR
Updates `interpret`, `codegen_ssa`, and `codegen_cranelift` to consume the new cast instead of the intrinsic.

Includes `CastTransmute` for custom MIR building, to be able to test the extra UB.
2023-03-22 15:15:41 -07:00

28 lines
1.5 KiB
Diff

- // MIR for `read_via_copy_primitive` before LowerIntrinsics
+ // MIR for `read_via_copy_primitive` after LowerIntrinsics
fn read_via_copy_primitive(_1: &i32) -> i32 {
debug r => _1; // in scope 0 at $DIR/lower_intrinsics.rs:+0:32: +0:33
let mut _0: i32; // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:44: +0:47
let mut _2: *const i32; // in scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
scope 1 {
}
bb0: {
StorageLive(_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
_2 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47
- _0 = read_via_copy::<i32>(move _2) -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
- // mir::Constant
- // + span: $DIR/lower_intrinsics.rs:118:14: 118:45
- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32) -> i32 {read_via_copy::<i32>}, val: Value(<ZST>) }
+ _0 = (*_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
+ goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48
}
bb1: {
StorageDead(_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:47: +1:48
return; // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
}
}