diff options
Diffstat (limited to 'src/test/codegen/match.rs')
-rw-r--r-- | src/test/codegen/match.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/codegen/match.rs b/src/test/codegen/match.rs new file mode 100644 index 000000000..b203641fd --- /dev/null +++ b/src/test/codegen/match.rs @@ -0,0 +1,29 @@ +// compile-flags: -C no-prepopulate-passes + +#![crate_type = "lib"] + +pub enum E { + A, + B, +} + +// CHECK-LABEL: @exhaustive_match +#[no_mangle] +pub fn exhaustive_match(e: E) -> u8 { +// CHECK: switch{{.*}}, label %[[OTHERWISE:[a-zA-Z0-9_]+]] [ +// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[A:[a-zA-Z0-9_]+]] +// CHECK-NEXT: i[[TY:[0-9]+]] [[DISCR:[0-9]+]], label %[[B:[a-zA-Z0-9_]+]] +// CHECK-NEXT: ] +// CHECK: [[OTHERWISE]]: +// CHECK-NEXT: unreachable +// CHECK: [[A]]: +// CHECK-NEXT: store i8 0, {{i8\*|ptr}} %1, align 1 +// CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] +// CHECK: [[B]]: +// CHECK-NEXT: store i8 1, {{i8\*|ptr}} %1, align 1 +// CHECK-NEXT: br label %[[EXIT:[a-zA-Z0-9_]+]] + match e { + E::A => 0, + E::B => 1, + } +} |