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Simplify the try intrinsic by using a callback in the catch block

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This commit is contained in:
Amanieu d'Antras 2020-03-02 13:59:20 +00:00
parent 5953c100d1
commit 1c950e5c6f
10 changed files with 150 additions and 126 deletions
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5
src/test/codegen/try-panic-abort.rs
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@ -7,11 +7,14 @@ extern "C" {
#[unwind(allow)]
fn bar(data: *mut u8);
}
extern "Rust" {
fn catch(data: *mut u8, exception: *mut u8);
}
// CHECK-LABEL: @foo
#[no_mangle]
pub unsafe fn foo() -> i32 {
// CHECK: call void @bar
// CHECK: ret i32 0
std::intrinsics::r#try(|x| bar(x), 0 as *mut u8, 0 as *mut u8)
std::intrinsics::r#try(|x| bar(x), 0 as *mut u8, |x, y| catch(x, y))
}