// EMIT_MIR_FOR_EACH_PANIC_STRATEGY // Test that we correctly generate StorageDead statements for while loop // conditions on all branches // compile-flags: -Zmir-opt-level=0 fn get_bool(c: bool) -> bool { c } // EMIT_MIR while_storage.while_loop.PreCodegen.after.mir fn while_loop(c: bool) { // CHECK-LABEL: fn while_loop( // CHECK: bb0: { // CHECK-NEXT: goto -> bb1; // CHECK: bb1: { // CHECK-NEXT: StorageLive(_3); // CHECK-NEXT: StorageLive(_2); // CHECK-NEXT: _2 = _1; // CHECK-NEXT: _3 = get_bool(move _2) -> [return: bb2, unwind // CHECK: bb2: { // CHECK-NEXT: switchInt(move _3) -> [0: bb3, otherwise: bb4]; // CHECK: bb3: { // CHECK-NEXT: StorageDead(_2); // CHECK-NEXT: StorageLive(_9); // CHECK-NEXT: _0 = const (); // CHECK-NEXT: StorageDead(_9); // CHECK-NEXT: goto -> bb8; // CHECK: bb4: { // CHECK-NEXT: StorageDead(_2); // CHECK-NEXT: StorageLive(_5); // CHECK-NEXT: StorageLive(_4); // CHECK-NEXT: _4 = _1; // CHECK-NEXT: _5 = get_bool(move _4) -> [return: bb5, unwind // CHECK: bb5: { // CHECK-NEXT: switchInt(move _5) -> [0: bb6, otherwise: bb7]; // CHECK: bb6: { // CHECK-NEXT: StorageDead(_4); // CHECK-NEXT: _6 = const (); // CHECK-NEXT: StorageDead(_5); // CHECK-NEXT: StorageDead(_3); // CHECK-NEXT: goto -> bb1; // CHECK: bb7: { // CHECK-NEXT: StorageDead(_4); // CHECK-NEXT: _0 = const (); // CHECK-NEXT: StorageDead(_5); // CHECK-NEXT: goto -> bb8; // CHECK: bb8: { // CHECK-NEXT: StorageDead(_3); // CHECK-NEXT: return; while get_bool(c) { if get_bool(c) { break; } } } fn main() { while_loop(false); }