mirror of https://github.com/rust-lang/rust
50 lines
921 B
Rust
50 lines
921 B
Rust
// A first "spike" for incremental compilation: here, we change the
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// content of the `make` function, and we find that we can reuse the
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// `y` module entirely (but not the `x` module).
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//@ revisions:rpass1 rpass2
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//@ compile-flags: -Z query-dep-graph
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#![feature(rustc_attrs)]
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#![rustc_partition_reused(module="spike", cfg="rpass2")]
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#![rustc_partition_codegened(module="spike-x", cfg="rpass2")]
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#![rustc_partition_reused(module="spike-y", cfg="rpass2")]
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mod x {
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pub struct X {
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x: u32, y: u32,
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}
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#[cfg(rpass1)]
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fn make() -> X {
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X { x: 22, y: 0 }
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}
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#[cfg(rpass2)]
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fn make() -> X {
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X { x: 11, y: 11 }
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}
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pub fn new() -> X {
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make()
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}
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pub fn sum(x: &X) -> u32 {
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x.x + x.y
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}
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}
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mod y {
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use x;
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pub fn assert_sum() -> bool {
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let x = x::new();
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x::sum(&x) == 22
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}
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}
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pub fn main() {
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y::assert_sum();
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}
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