diff options
Diffstat (limited to 'tests/codegen-llvm/enum/enum-early-otherwise-branch.rs')
| -rw-r--r-- | tests/codegen-llvm/enum/enum-early-otherwise-branch.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/codegen-llvm/enum/enum-early-otherwise-branch.rs b/tests/codegen-llvm/enum/enum-early-otherwise-branch.rs new file mode 100644 index 00000000000..8d39d8e9b74 --- /dev/null +++ b/tests/codegen-llvm/enum/enum-early-otherwise-branch.rs @@ -0,0 +1,25 @@ +//@ compile-flags: -Copt-level=3 + +#![crate_type = "lib"] + +pub enum Enum { + A(u32), + B(u32), + C(u32), +} + +#[no_mangle] +pub fn foo(lhs: &Enum, rhs: &Enum) -> bool { + // CHECK-LABEL: define{{.*}}i1 @foo( + // CHECK-NOT: switch + // CHECK-NOT: br + // CHECK: [[SELECT:%.*]] = select + // CHECK-NEXT: ret i1 [[SELECT]] + // CHECK-NEXT: } + match (lhs, rhs) { + (Enum::A(lhs), Enum::A(rhs)) => lhs == rhs, + (Enum::B(lhs), Enum::B(rhs)) => lhs == rhs, + (Enum::C(lhs), Enum::C(rhs)) => lhs == rhs, + _ => false, + } +} |
