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Simplify MIR drop generation

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Now that EndRegion is gone, we don't need to create as many gotos.
This commit is contained in:
Matthew Jasper 2018-11-17 21:07:17 +00:00
parent 6027e0810f
commit 1d7fc0ca50
2 changed files with 154 additions and 175 deletions
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41
src/test/mir-opt/issue-49232.rs
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@ -44,7 +44,7 @@ fn main() {
// falseUnwind -> [real: bb3, cleanup: bb4];
// }
// bb2: {
// goto -> bb29;
// goto -> bb20;
// }
// bb3: {
// StorageLive(_2);
@ -90,58 +90,31 @@ fn main() {
// StorageDead(_3);
// StorageLive(_6);
// _6 = &_2;
// _5 = const std::mem::drop(move _6) -> [return: bb28, unwind: bb4];
// _5 = const std::mem::drop(move _6) -> [return: bb19, unwind: bb4];
// }
// bb15: {
// StorageDead(_3);
// goto -> bb16;
// }
// bb16: {
// goto -> bb17;
// }
// bb17: {
// goto -> bb18;
// }
// bb18: {
// goto -> bb19;
// }
// bb19: {
// goto -> bb20;
// }
// bb20: {
// StorageDead(_3);
// goto -> bb21;
// }
// bb21: {
// goto -> bb22;
// }
// bb22: {
// StorageDead(_2);
// goto -> bb23;
// }
// bb23: {
// goto -> bb24;
// }
// bb24: {
// goto -> bb25;
// }
// bb25: {
// goto -> bb2;
// }
// bb26: {
// bb17: {
// _4 = ();
// unreachable;
// }
// bb27: {
// bb18: {
// StorageDead(_4);
// goto -> bb14;
// }
// bb28: {
// bb19: {
// StorageDead(_6);
// _1 = ();
// StorageDead(_2);
// goto -> bb1;
// }
// bb29: {
// bb20: {
// return;
// }
// }