rust/tests/mir-opt/issue_101973.inner.GVN.panic-unwind.diff

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