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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/codegen/match.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/codegen/match.rs')
-rw-r--r--src/test/codegen/match.rs29
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,
+ }
+}