Add a testdata proto for a function with both hot and cold EH landing…

… pads

PiperOrigin-RevId: 696891138

propeller/testdata/BUILD

@@ -35,6 +35,7 @@ exports_files([
     "bimodal_sample.x.bin",
     "call_from_simple_loop.protobuf",
     "clang_v0_labels.binary",
+    "hot_and_cold_landing_pads.protobuf",
     "llvm_function_samples.binary",
     "llvm_function_samples_perf.data",
     "propeller_sample.protobuf",

propeller/testdata/hot_and_cold_landing_pads.protobuf

@@ -0,0 +1,140 @@
+## CFG Proto for two functions: Function foo has two exception handling landing
+## pads. One is cold, the other is hot.
+##
+##
+##                        10
+##                +-----------------+
+##                |                 |
+##                v       20        |
+##              foo -------------> bar
+##             /    \
+##         10 /      \ 10
+##           v        v
+##         foo.1       foo.2 ----+
+##        /     \                |
+##    10 /       \ 0             |
+##      v         v              |
+##    foo.4      foo.3 [eh pad]  |
+##     \          /              | 10
+##   10 \        /0              |
+##       \      /                |
+##        v    v                 |
+##         foo.5  <--------------+
+##
+
+cfg {
+  name: "foo"
+  function_index: 10
+  node {
+    bb_id: 0
+    size: 10
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 1
+      }
+      weight: 10
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 2
+      }
+      weight: 10
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+    out_edges {
+      sink: {
+        function_index: 20
+        bb_index: 0
+      }
+      weight: 20
+      kind: CALL
+    }
+  }
+  node {
+    bb_id: 1
+    size: 10
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 4
+      }
+      weight: 10
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 3
+      }
+      weight: 0
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+  }
+  node {
+    bb_id: 2
+    size: 10
+    metadata {
+      is_landing_pad : true
+    }
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 5
+      }
+      weight: 10
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+  }
+  node {
+    bb_id: 3
+    size: 10
+    metadata {
+      is_landing_pad: true
+    }
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 5
+      }
+      weight: 0
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+  }
+  node {
+    bb_id: 4
+    size: 10
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 5
+      }
+      weight: 10
+      kind: BRANCH_OR_FALLTHROUGH
+    }
+  }
+  node {
+    bb_id: 5
+    size: 10
+  }
+}
+
+cfg {
+  name: "bar"
+  function_index: 20
+  node {
+    bb_id: 0
+    size: 10
+    out_edges {
+      sink: {
+        function_index: 10
+        bb_index: 0
+      }
+      weight: 10
+      kind: RETURN
+    }
+  }
+}
+