mirror of https://github.com/rust-lang/rust
28 lines
716 B
Rust
28 lines
716 B
Rust
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
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//@ test-mir-pass: GVN
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//@ compile-flags: -Zdump-mir-exclude-alloc-bytes
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// EMIT_MIR mutable_variable_unprop_assign.main.GVN.diff
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fn main() {
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// CHECK-LABEL: fn main(
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// CHECK: debug a => [[a:_.*]];
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// CHECK: debug x => [[x:_.*]];
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// CHECK: debug y => [[y:_.*]];
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// CHECK: debug z => [[z:_.*]];
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// CHECK: [[a]] = foo()
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// CHECK: [[x]] = const (1_i32, 2_i32);
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// CHECK: ([[x]].1: i32) = copy [[a]];
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// CHECK: [[y]] = copy ([[x]].1: i32);
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// CHECK: [[z]] = copy ([[x]].0: i32);
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let a = foo();
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let mut x: (i32, i32) = (1, 2);
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x.1 = a;
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let y = x.1;
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let z = x.0;
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}
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#[inline(never)]
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fn foo() -> i32 {
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unimplemented!()
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}
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