mirror of https://github.com/rust-lang/rust.git
88 lines
2.7 KiB
Diff
88 lines
2.7 KiB
Diff
- // MIR for `inner` before GVN
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+ // MIR for `inner` after GVN
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fn inner(_1: u32) -> i64 {
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debug fields => _1;
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let mut _0: i64;
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let mut _2: i32;
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let mut _3: u32;
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let mut _4: u32;
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let mut _5: u32;
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let mut _6: u32;
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let mut _7: u32;
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let mut _8: u32;
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let mut _9: u32;
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let mut _10: u32;
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let mut _11: bool;
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let mut _12: u32;
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let mut _13: bool;
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scope 1 (inlined imm8) {
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let mut _14: u32;
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scope 2 {
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}
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}
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scope 3 (inlined core::num::<impl u32>::rotate_right) {
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}
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bb0: {
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StorageLive(_2);
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StorageLive(_3);
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StorageLive(_4);
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StorageLive(_5);
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_5 = copy _1;
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nop;
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- StorageLive(_14);
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- _14 = BitAnd(copy _5, const 255_u32);
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- _4 = BitOr(const 0_u32, move _14);
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- StorageDead(_14);
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+ nop;
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+ _14 = BitAnd(copy _1, const 255_u32);
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+ _4 = copy _14;
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+ nop;
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StorageDead(_5);
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StorageLive(_6);
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StorageLive(_7);
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StorageLive(_8);
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StorageLive(_9);
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_9 = copy _1;
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- _10 = const 8_i32 as u32 (IntToInt);
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- _11 = Lt(move _10, const 32_u32);
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- assert(move _11, "attempt to shift right by `{}`, which would overflow", const 8_i32) -> [success: bb1, unwind continue];
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+ _10 = const 8_u32;
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+ _11 = const true;
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+ assert(const true, "attempt to shift right by `{}`, which would overflow", const 8_i32) -> [success: bb1, unwind continue];
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}
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bb1: {
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- _8 = Shr(move _9, const 8_i32);
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+ _8 = Shr(copy _1, const 8_i32);
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StorageDead(_9);
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_7 = BitAnd(move _8, const 15_u32);
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StorageDead(_8);
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- _12 = const 1_i32 as u32 (IntToInt);
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- _13 = Lt(move _12, const 32_u32);
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- assert(move _13, "attempt to shift left by `{}`, which would overflow", const 1_i32) -> [success: bb2, unwind continue];
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+ _12 = const 1_u32;
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+ _13 = const true;
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+ assert(const true, "attempt to shift left by `{}`, which would overflow", const 1_i32) -> [success: bb2, unwind continue];
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}
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bb2: {
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_6 = Shl(move _7, const 1_i32);
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StorageDead(_7);
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- _3 = rotate_right::<u32>(move _4, move _6) -> [return: bb3, unwind unreachable];
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+ _3 = rotate_right::<u32>(copy _14, move _6) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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StorageDead(_6);
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StorageDead(_4);
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_2 = move _3 as i32 (IntToInt);
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StorageDead(_3);
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_0 = move _2 as i64 (IntToInt);
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StorageDead(_2);
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return;
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}
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}
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