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Add range attribute to scalar function results and arguments
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Original file line number | Diff line number | Diff line change |
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// Checks that range metadata gets emitted on functions result and arguments | ||
// with scalar value. | ||
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//@ compile-flags: -O -C no-prepopulate-passes | ||
//@ min-llvm-version: 19 | ||
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#![crate_type = "lib"] | ||
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use std::num::NonZero; | ||
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// CHECK: noundef range(i128 1, 0) i128 @nonzero_int(i128 noundef range(i128 1, 0) %x) | ||
#[no_mangle] | ||
pub fn nonzero_int(x: NonZero<u128>) -> NonZero<u128> { | ||
x | ||
} | ||
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// CHECK: noundef range(i8 0, 3) i8 @optional_bool(i8 noundef range(i8 0, 3) %x) | ||
#[no_mangle] | ||
pub fn optional_bool(x: Option<bool>) -> Option<bool> { | ||
x | ||
} | ||
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pub enum Enum0 { | ||
A(bool), | ||
B, | ||
C, | ||
} | ||
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// CHECK: noundef range(i8 0, 4) i8 @enum0_value(i8 noundef range(i8 0, 4) %x) | ||
#[no_mangle] | ||
pub fn enum0_value(x: Enum0) -> Enum0 { | ||
x | ||
} | ||
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pub enum Enum1 { | ||
A(u64), | ||
B(u64), | ||
C(u64), | ||
} | ||
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// CHECK: noundef range(i8 0, 4) i8 @enum1_value(i8 noundef range(i8 0, 4) %x) | ||
#[no_mangle] | ||
pub fn enum1_value(x: Enum0) -> Enum0 { | ||
x | ||
} | ||
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// CHECK: noundef i64 @takes_slice(ptr noalias noundef nonnull readonly align 4 %x.0, i64 noundef %x.1) | ||
#[no_mangle] | ||
pub fn takes_slice(x: &[i32]) -> usize { | ||
x.len() | ||
} |
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