37f83fb11d
Move can be used only when both the compared operand and the operand on switch are move operands. This commit directly changes to Copy, because I don't know if Move has beneficial.
54 lines
1.3 KiB
Diff
54 lines
1.3 KiB
Diff
- // MIR for `dont_remove_comparison` before SimplifyComparisonIntegral
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+ // MIR for `dont_remove_comparison` after SimplifyComparisonIntegral
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fn dont_remove_comparison(_1: i8) -> i32 {
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debug a => _1;
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let mut _0: i32;
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let _2: bool;
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let mut _3: i8;
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let mut _4: i32;
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let mut _5: bool;
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let mut _6: i32;
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let mut _7: bool;
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scope 1 {
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debug b => _2;
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}
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bb0: {
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nop;
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StorageLive(_3);
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_3 = copy _1;
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_2 = Eq(copy _1, const 17_i8);
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StorageDead(_3);
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- switchInt(copy _2) -> [0: bb2, otherwise: bb1];
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+ switchInt(copy _1) -> [17: bb1, otherwise: bb2];
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}
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bb1: {
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StorageLive(_6);
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StorageLive(_7);
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_7 = copy _2;
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_6 = copy _2 as i32 (IntToInt);
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StorageDead(_7);
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_0 = Add(const 100_i32, move _6);
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StorageDead(_6);
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goto -> bb3;
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}
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bb2: {
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StorageLive(_4);
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StorageLive(_5);
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_5 = copy _2;
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_4 = copy _2 as i32 (IntToInt);
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StorageDead(_5);
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_0 = Add(const 10_i32, move _4);
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StorageDead(_4);
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goto -> bb3;
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}
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bb3: {
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nop;
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return;
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}
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}
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