mirror of https://github.com/rust-lang/rust
48 lines
934 B
Diff
48 lines
934 B
Diff
- // MIR for `match_zext_u8_i16` before MatchBranchSimplification
|
|
+ // MIR for `match_zext_u8_i16` after MatchBranchSimplification
|
|
|
|
fn match_zext_u8_i16(_1: EnumAu8) -> i16 {
|
|
debug i => _1;
|
|
let mut _0: i16;
|
|
let mut _2: u8;
|
|
+ let mut _3: u8;
|
|
|
|
bb0: {
|
|
_2 = discriminant(_1);
|
|
- switchInt(move _2) -> [0: bb5, 127: bb4, 128: bb3, 255: bb2, otherwise: bb1];
|
|
- }
|
|
-
|
|
- bb1: {
|
|
- unreachable;
|
|
- }
|
|
-
|
|
- bb2: {
|
|
- _0 = const 255_i16;
|
|
- goto -> bb6;
|
|
- }
|
|
-
|
|
- bb3: {
|
|
- _0 = const 128_i16;
|
|
- goto -> bb6;
|
|
- }
|
|
-
|
|
- bb4: {
|
|
- _0 = const 127_i16;
|
|
- goto -> bb6;
|
|
- }
|
|
-
|
|
- bb5: {
|
|
- _0 = const 0_i16;
|
|
- goto -> bb6;
|
|
- }
|
|
-
|
|
- bb6: {
|
|
+ StorageLive(_3);
|
|
+ _3 = move _2;
|
|
+ _0 = copy _3 as i16 (IntToInt);
|
|
+ StorageDead(_3);
|
|
return;
|
|
}
|
|
}
|
|
|