| // This test case tests the incremental compilation hash (ICH) implementation |
| // for if expressions. |
| |
| // The general pattern followed here is: Change one thing between rev1 and rev2 |
| // and make sure that the hash has changed, then change nothing between rev2 and |
| // rev3 and make sure that the hash has not changed. |
| |
| // compile-pass |
| // revisions: cfail1 cfail2 cfail3 |
| // compile-flags: -Z query-dep-graph -Zincremental-ignore-spans |
| |
| |
| #![allow(warnings)] |
| #![feature(rustc_attrs)] |
| #![crate_type="rlib"] |
| |
| // Change condition (if) ------------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_condition(x: bool) -> u32 { |
| if x { |
| return 1 |
| } |
| |
| return 0 |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir,typeck_tables_of")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_condition(x: bool) -> u32 { |
| if !x { |
| return 1 |
| } |
| |
| return 0 |
| } |
| |
| // Change then branch (if) ----------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_then_branch(x: bool) -> u32 { |
| if x { |
| return 1 |
| } |
| |
| return 0 |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_then_branch(x: bool) -> u32 { |
| if x { |
| return 2 |
| } |
| |
| return 0 |
| } |
| |
| |
| |
| // Change else branch (if) ----------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_else_branch(x: bool) -> u32 { |
| if x { |
| 1 |
| } else { |
| 2 |
| } |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_else_branch(x: bool) -> u32 { |
| if x { |
| 1 |
| } else { |
| 3 |
| } |
| } |
| |
| |
| |
| // Add else branch (if) -------------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn add_else_branch(x: bool) -> u32 { |
| let mut ret = 1; |
| |
| if x { |
| ret = 2; |
| } |
| |
| ret |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,typeck_tables_of")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn add_else_branch(x: bool) -> u32 { |
| let mut ret = 1; |
| |
| if x { |
| ret = 2; |
| } else { |
| } |
| |
| ret |
| } |
| |
| |
| |
| // Change condition (if let) --------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_condition_if_let(x: Option<u32>) -> u32 { |
| if let Some(_x) = x { |
| return 1 |
| } |
| |
| 0 |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir,typeck_tables_of")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_condition_if_let(x: Option<u32>) -> u32 { |
| if let Some(_) = x { |
| return 1 |
| } |
| |
| 0 |
| } |
| |
| |
| |
| // Change then branch (if let) ------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_then_branch_if_let(x: Option<u32>) -> u32 { |
| if let Some(x) = x { |
| return x |
| } |
| |
| 0 |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir,typeck_tables_of")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_then_branch_if_let(x: Option<u32>) -> u32 { |
| if let Some(x) = x { |
| return x + 1 |
| } |
| |
| 0 |
| } |
| |
| |
| |
| // Change else branch (if let) ------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn change_else_branch_if_let(x: Option<u32>) -> u32 { |
| if let Some(x) = x { |
| x |
| } else { |
| 1 |
| } |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,mir_built,optimized_mir")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn change_else_branch_if_let(x: Option<u32>) -> u32 { |
| if let Some(x) = x { |
| x |
| } else { |
| 2 |
| } |
| } |
| |
| |
| |
| // Add else branch (if let) ---------------------------------------------------- |
| #[cfg(cfail1)] |
| pub fn add_else_branch_if_let(x: Option<u32>) -> u32 { |
| let mut ret = 1; |
| |
| if let Some(x) = x { |
| ret = x; |
| } |
| |
| ret |
| } |
| |
| #[cfg(not(cfail1))] |
| #[rustc_clean(cfg="cfail2", except="HirBody,typeck_tables_of")] |
| #[rustc_clean(cfg="cfail3")] |
| pub fn add_else_branch_if_let(x: Option<u32>) -> u32 { |
| let mut ret = 1; |
| |
| if let Some(x) = x { |
| ret = x; |
| } else { |
| } |
| |
| ret |
| } |