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.
75 lines
3.7 KiB
Diff
75 lines
3.7 KiB
Diff
- // MIR for `foo` before MatchBranchSimplification
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+ // MIR for `foo` after MatchBranchSimplification
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fn foo(_1: [u8; 16]) -> Option<[u8; 4]> {
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debug bytes => _1; // in scope 0 at $DIR/issue_75439.rs:+0:12: +0:17
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let mut _0: std::option::Option<[u8; 4]>; // return place in scope 0 at $DIR/issue_75439.rs:+0:32: +0:47
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let _2: [u32; 4]; // in scope 0 at $DIR/issue_75439.rs:+2:9: +2:15
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let mut _3: [u8; 16]; // in scope 0 at $DIR/issue_75439.rs:+2:47: +2:52
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let mut _5: [u8; 4]; // in scope 0 at $DIR/issue_75439.rs:+5:14: +5:38
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let mut _6: u32; // in scope 0 at $DIR/issue_75439.rs:+5:33: +5:35
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scope 1 {
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debug dwords => _2; // in scope 1 at $DIR/issue_75439.rs:+2:9: +2:15
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scope 3 {
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debug ip => _4; // in scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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let _4: u32; // in scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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scope 4 {
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}
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}
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}
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scope 2 {
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}
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bb0: {
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StorageLive(_2); // scope 0 at $DIR/issue_75439.rs:+2:9: +2:15
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StorageLive(_3); // scope 2 at $DIR/issue_75439.rs:+2:47: +2:52
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_3 = _1; // scope 2 at $DIR/issue_75439.rs:+2:47: +2:52
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_2 = move _3 as [u32; 4] (Transmute); // scope 2 at $DIR/issue_75439.rs:+2:37: +2:53
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StorageDead(_3); // scope 2 at $DIR/issue_75439.rs:+2:52: +2:53
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switchInt(_2[0 of 4]) -> [0: bb1, otherwise: bb6]; // scope 3 at $DIR/issue_75439.rs:+4:12: +4:30
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}
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bb1: {
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switchInt(_2[1 of 4]) -> [0: bb2, otherwise: bb6]; // scope 3 at $DIR/issue_75439.rs:+4:12: +4:30
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}
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bb2: {
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switchInt(_2[2 of 4]) -> [0: bb4, 4294901760: bb5, otherwise: bb6]; // scope 3 at $DIR/issue_75439.rs:+4:12: +4:30
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}
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bb3: {
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StorageLive(_5); // scope 3 at $DIR/issue_75439.rs:+5:14: +5:38
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StorageLive(_6); // scope 4 at $DIR/issue_75439.rs:+5:33: +5:35
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_6 = _4; // scope 4 at $DIR/issue_75439.rs:+5:33: +5:35
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_5 = move _6 as [u8; 4] (Transmute); // scope 4 at $DIR/issue_75439.rs:+5:23: +5:36
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StorageDead(_6); // scope 4 at $DIR/issue_75439.rs:+5:35: +5:36
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_0 = Option::<[u8; 4]>::Some(move _5); // scope 3 at $DIR/issue_75439.rs:+5:9: +5:39
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StorageDead(_5); // scope 3 at $DIR/issue_75439.rs:+5:38: +5:39
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StorageDead(_4); // scope 1 at $DIR/issue_75439.rs:+6:5: +6:6
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goto -> bb7; // scope 1 at $DIR/issue_75439.rs:+4:5: +8:6
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}
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bb4: {
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StorageLive(_4); // scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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_4 = _2[3 of 4]; // scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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goto -> bb3; // scope 3 at $DIR/issue_75439.rs:+4:12: +4:30
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}
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bb5: {
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StorageLive(_4); // scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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_4 = _2[3 of 4]; // scope 3 at $DIR/issue_75439.rs:+4:27: +4:29
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goto -> bb3; // scope 3 at $DIR/issue_75439.rs:+4:12: +4:30
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}
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bb6: {
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_0 = Option::<[u8; 4]>::None; // scope 1 at $DIR/issue_75439.rs:+7:9: +7:13
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goto -> bb7; // scope 1 at $DIR/issue_75439.rs:+4:5: +8:6
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}
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bb7: {
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StorageDead(_2); // scope 0 at $DIR/issue_75439.rs:+9:1: +9:2
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return; // scope 0 at $DIR/issue_75439.rs:+9:2: +9:2
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}
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}
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