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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.
24 lines
1.2 KiB
Diff
24 lines
1.2 KiB
Diff
- // MIR for `less_as_i8` before ConstProp
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+ // MIR for `less_as_i8` after ConstProp
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fn less_as_i8() -> i8 {
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let mut _0: i8; // return place in scope 0 at $DIR/transmute.rs:+0:24: +0:26
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let mut _1: std::cmp::Ordering; // in scope 0 at $DIR/transmute.rs:+1:24: +1:48
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scope 1 {
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}
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bb0: {
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StorageLive(_1); // scope 1 at $DIR/transmute.rs:+1:24: +1:48
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- _1 = Less; // scope 1 at $DIR/transmute.rs:+1:24: +1:48
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- _0 = move _1 as i8 (Transmute); // scope 1 at $DIR/transmute.rs:+1:14: +1:49
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+ _1 = const Less; // scope 1 at $DIR/transmute.rs:+1:24: +1:48
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+ // mir::Constant
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+ // + span: no-location
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+ // + literal: Const { ty: std::cmp::Ordering, val: Value(Scalar(0xff)) }
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+ _0 = const -1_i8; // scope 1 at $DIR/transmute.rs:+1:14: +1:49
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StorageDead(_1); // scope 1 at $DIR/transmute.rs:+1:48: +1:49
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return; // scope 0 at $DIR/transmute.rs:+2:2: +2:2
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}
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}
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