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librustc_trans: fix fallout

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This commit is contained in:
Jorge Aparicio 2014-12-02 15:17:55 -05:00
parent fd06ef24bb
commit 44b419b820
1 changed files with 4 additions and 2 deletions
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6
src/librustc_trans/trans/basic_block.rs
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@ -17,7 +17,7 @@ pub struct BasicBlock(pub BasicBlockRef);
impl Copy for BasicBlock {}
pub type Preds<'a> = Map<'a, Value, BasicBlock, Filter<'a, Value, Users>>;
pub type Preds<'a> = Map<Value, BasicBlock, Filter<'a, Value, Users>, fn(Value) -> BasicBlock>;
/// Wrapper for LLVM BasicBlockRef
impl BasicBlock {
@ -32,9 +32,11 @@ impl BasicBlock {
}
pub fn pred_iter(self) -> Preds<'static> {
fn get_parent(user: Value) -> BasicBlock { user.get_parent().unwrap() }
self.as_value().user_iter()
.filter(|user| user.is_a_terminator_inst())
.map(|user| user.get_parent().unwrap())
.map(get_parent)
}
pub fn get_single_predecessor(self) -> Option<BasicBlock> {