Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/Analysis/RegionInfo/multiple_exiting_edge.ll

@@ -0,0 +1,38 @@
+; RUN: opt -regions -print-region-style=bb  -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
+; RUN: opt -regions -print-region-style=rn  -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
+
+define void @normal_condition_0() nounwind {
+bb38:                                             ; preds = %bb34, %bb34, %bb37
+  switch i32 undef, label %bb42 [
+    i32 67, label %bb42
+    i32 90, label %bb41
+  ]
+bb41:                                             ; preds = %bb38
+  br label %bb42
+bb42:                                             ; preds = %bb38, %bb38, %bb41
+  ret void
+}
+
+; BBIT: bb38, bb42, bb41,
+; BBIT: bb38, bb41,
+
+; RNIT: bb38 => bb42, bb42,
+; RNIT: bb38, bb41,
+
+define void @normal_condition_1() nounwind {
+bb38:                                             ; preds = %bb34, %bb34, %bb37
+  switch i32 undef, label %bb41 [
+    i32 67, label %bb42
+    i32 90, label %bb42
+  ]
+bb41:                                             ; preds = %bb38
+  br label %bb42
+bb42:                                             ; preds = %bb38, %bb38, %bb41
+  ret void
+}
+
+; BBIT: bb38, bb41, bb42,
+; BBIT: bb38, bb41,
+
+; RNIT: bb38 => bb42, bb42,
+; RNIT: bb38, bb41,