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https://github.com/rust-lang/rust.git
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76 lines
1.8 KiB
Rust
76 lines
1.8 KiB
Rust
// Checks that range metadata gets emitted on functions result and arguments
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// with scalar value.
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// 32-bit systems will return 128bit values using a return area pointer.
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//@ revisions: bit32 bit64
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//@[bit32] only-32bit
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//@[bit64] only-64bit
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//@ compile-flags: -O -C no-prepopulate-passes
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//@ min-llvm-version: 19
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#![crate_type = "lib"]
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use std::num::NonZero;
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// Hack to get the correct size for usize
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// CHECK: @helper([[USIZE:i[0-9]+]] noundef %_1)
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#[no_mangle]
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pub fn helper(_: usize) {}
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// bit32: void @nonzero_int({{.*}} sret([16 x i8]) {{.*}}, i128 noundef range(i128 1, 0) %x)
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// bit64: noundef range(i128 1, 0) i128 @nonzero_int(i128 noundef range(i128 1, 0) %x)
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#[no_mangle]
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pub fn nonzero_int(x: NonZero<u128>) -> NonZero<u128> {
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x
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}
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// CHECK: noundef range(i8 0, 3) i8 @optional_bool(i8{{.*}} range(i8 0, 3) %x)
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#[no_mangle]
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pub fn optional_bool(x: Option<bool>) -> Option<bool> {
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x
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}
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pub enum Enum0 {
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A(bool),
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B,
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C,
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}
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// CHECK: noundef range(i8 0, 4) i8 @enum0_value(i8{{.*}} range(i8 0, 4) %x)
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#[no_mangle]
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pub fn enum0_value(x: Enum0) -> Enum0 {
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x
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}
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pub enum Enum1 {
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A(u64),
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B(u64),
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C(u64),
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}
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// bit32: void @enum1_value({{.*}} sret({{[^,]*}}) {{[^,]*}}, [[ENUM1_TYP:i[0-9]+]]
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// bit64: { [[ENUM1_TYP:i[0-9]+]], i64 } @enum1_value([[ENUM1_TYP]]
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// CHECK-SAME: noundef range([[ENUM1_TYP]] 0, 3) %x.0, i64 noundef %x.1)
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#[no_mangle]
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pub fn enum1_value(x: Enum1) -> Enum1 {
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x
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}
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pub enum Enum2 {
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A(Enum0),
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B(Enum0),
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C(Enum0),
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}
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// CHECK: { i8, i8 } @enum2_value(i8 noundef range(i8 0, 3) %x.0, i8 noundef %x.1)
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#[no_mangle]
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pub fn enum2_value(x: Enum2) -> Enum2 {
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x
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}
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// CHECK: noundef [[USIZE]] @takes_slice(ptr noalias noundef nonnull readonly align 4 %x.0, [[USIZE]] noundef %x.1)
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#[no_mangle]
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pub fn takes_slice(x: &[i32]) -> usize {
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x.len()
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}
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