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