64cce5fc7d
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.
28 lines
1.6 KiB
Diff
28 lines
1.6 KiB
Diff
- // MIR for `transmute_inhabited` before LowerIntrinsics
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+ // MIR for `transmute_inhabited` after LowerIntrinsics
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fn transmute_inhabited(_1: std::cmp::Ordering) -> i8 {
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debug c => _1; // in scope 0 at $DIR/lower_intrinsics.rs:+0:28: +0:29
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let mut _0: i8; // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:54: +0:56
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let mut _2: std::cmp::Ordering; // in scope 0 at $DIR/lower_intrinsics.rs:+1:34: +1:35
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scope 1 {
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}
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bb0: {
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StorageLive(_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
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_2 = _1; // scope 1 at $DIR/lower_intrinsics.rs:+1:34: +1:35
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- _0 = transmute::<std::cmp::Ordering, i8>(move _2) -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
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- // mir::Constant
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- // + span: $DIR/lower_intrinsics.rs:43:14: 43:33
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- // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(std::cmp::Ordering) -> i8 {transmute::<std::cmp::Ordering, i8>}, val: Value(<ZST>) }
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+ _0 = move _2 as i8 (Transmute); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
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+ goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:36
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}
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bb1: {
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StorageDead(_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:35: +1:36
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return; // scope 0 at $DIR/lower_intrinsics.rs:+2:2: +2:2
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}
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}
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