diff options
| author | Camille GILLOT <gillot.camille@gmail.com> | 2023-02-11 08:59:19 +0000 |
|---|---|---|
| committer | Camille GILLOT <gillot.camille@gmail.com> | 2023-02-18 21:35:02 +0000 |
| commit | 86dbcb53907037dcc3fabb635956aec2c384b4e9 (patch) | |
| tree | db0c1372c953b1144f8d30c5c57399007e43f251 /tests/codegen | |
| parent | e34caaf42dd10b3cb8d14e6e99c2c8687fe6342e (diff) | |
| download | rust-86dbcb53907037dcc3fabb635956aec2c384b4e9.tar.gz rust-86dbcb53907037dcc3fabb635956aec2c384b4e9.zip | |
Add codegen test.
Diffstat (limited to 'tests/codegen')
| -rw-r--r-- | tests/codegen/inherit_overflow.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/codegen/inherit_overflow.rs b/tests/codegen/inherit_overflow.rs new file mode 100644 index 00000000000..d938dadb9c7 --- /dev/null +++ b/tests/codegen/inherit_overflow.rs @@ -0,0 +1,14 @@ +// compile-flags: -Zmir-enable-passes=+Inline,+ConstProp --crate-type lib +// revisions: ASSERT NOASSERT +//[ASSERT] compile-flags: -Coverflow-checks=on +//[NOASSERT] compile-flags: -Coverflow-checks=off + +// CHECK-LABEL: define{{.*}} @assertion +// ASSERT: tail call void @_ZN4core9panicking5panic17h +// NOASSERT: ret i8 0 +#[no_mangle] +pub fn assertion() -> u8 { + // Optimized MIR will replace this `CheckedBinaryOp` by `const (0, true)`. + // Verify that codegen does or does not emit the panic. + <u8 as std::ops::Add>::add(255, 1) +} |