1 files changed, 177 insertions, 0 deletions
diff --git a/test/Profile/cxx-hash-v2.cpp b/test/Profile/cxx-hash-v2.cpp
new file mode 100644
index 000000000000..995fe008f523
--- /dev/null
+++ b/test/Profile/cxx-hash-v2.cpp
@@ -0,0 +1,177 @@
+// REQUIRES: shell
+
+// Check that all of the hashes in this file are unique (i.e, that none of the
+// profiles for these functions are mutually interchangeable).
+//
+// RUN: llvm-profdata show -all-functions %S/Inputs/cxx-hash-v2.profdata.v5 | grep "Hash: 0x" | sort > %t.hashes
+// RUN: uniq %t.hashes > %t.hashes.unique
+// RUN: diff %t.hashes %t.hashes.unique
+
+// RUN: llvm-profdata merge %S/Inputs/cxx-hash-v2.proftext -o %t.profdata
+// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 -main-file-name cxx-hash-v2.mm %s -o /dev/null -emit-llvm -fprofile-instrument-use-path=%t.profdata 2>&1 | FileCheck %s -allow-empty
+// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-apple-macosx10.9 -main-file-name cxx-hash-v2.mm %s -o /dev/null -emit-llvm -fprofile-instrument-use-path=%S/Inputs/cxx-hash-v2.profdata.v5 2>&1 | FileCheck %s -allow-empty
+
+// CHECK-NOT: warning: profile data may be out of date
+
+int x;
+int arr[1] = {0};
+
+void loop_after_if_else() {
+  if (1)
+    x = 1;
+  else
+    x = 2;
+  while (0)
+    ++x;
+}
+
+void loop_in_then_block() {
+  if (1) {
+    while (0)
+      ++x;
+  } else {
+    x = 2;
+  }
+}
+
+void loop_in_else_block() {
+  if (1) {
+    x = 1;
+  } else {
+    while (0)
+      ++x;
+  }
+}
+
+void if_inside_of_for() {
+  for (x = 0; x < 0; ++x) {
+    x = 1;
+    if (1)
+      x = 2;
+  }
+}
+
+void if_outside_of_for() {
+  for (x = 0; x < 0; ++x)
+    x = 1;
+  if (1)
+    x = 2;
+}
+
+void if_inside_of_while() {
+  while (0) {
+    x = 1;
+    if (1)
+      x = 2;
+  }
+}
+
+void if_outside_of_while() {
+  while (0)
+    x = 1;
+  if (1)
+    x = 2;
+}
+
+void nested_dos() {
+  do {
+    do {
+      ++x;
+    } while (0);
+  } while (0);
+}
+
+void consecutive_dos() {
+  do {
+  } while (0);
+  do {
+    ++x;
+  } while (0);
+}
+
+void loop_empty() {
+  for (x = 0; x < 5; ++x) {}
+}
+
+void loop_return() {
+  for (x = 0; x < 5; ++x)
+    return;
+}
+
+void loop_continue() {
+  for (x = 0; x < 5; ++x)
+    continue;
+}
+
+void loop_break() {
+  for (x = 0; x < 5; ++x)
+    break;
+}
+
+void no_gotos() {
+  static void *dispatch[] = {&&done};
+  x = 0;
+done:
+  ++x;
+}
+
+void direct_goto() {
+  static void *dispatch[] = {&&done};
+  x = 0;
+  goto done;
+done:
+  ++x;
+}
+
+void indirect_goto() {
+  static void *dispatch[] = {&&done};
+  x = 0;
+  goto *dispatch[x];
+done:
+  ++x;
+}
+
+void nested_for_ranges() {
+  for (int a : arr)
+    for (int b : arr)
+      ++x;
+}
+
+void consecutive_for_ranges() {
+  for (int a : arr) {}
+  for (int b : arr)
+    ++x;
+}
+
+void nested_try_catch() {
+  try {
+    try {
+      ++x;
+    } catch (...) {}
+  } catch (...) {}
+}
+
+void consecutive_try_catch() {
+  try {} catch (...) {}
+  try {
+    ++x;
+  } catch (...) {}
+}
+
+void no_throw() {}
+
+void has_throw() {
+  throw 0;
+}
+
+void single_lnot() {
+  if (!x) {}
+}
+
+void double_lnot() {
+  if (!!x) {}
+}
+
+int main() {
+  return 0;
+}