Add checked for VTTs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92954 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/VtableTest/check-ztt b/utils/VtableTest/check-ztt
new file mode 100755 (executable)
index 0000000..974bcd8
--- /dev/null
+++ b/utils/VtableTest/check-ztt
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+N_STRUCTS=300
+
+# Utility routine to "hand" check VTTs.
+
+let i=0;
+while [ $i != $N_STRUCTS ]; do
+  sed -n "/^__ZTT.*s$i:/,/\.[sg][el]/p" test-clang.s |
+    grep -v '\.[sg][el]' | sed 's/(\([0-9][0-9]*\))/\1/' >test-clang-ztt
+  sed -n "/^__ZTT.*s$i:/,/\.[sg][el]/p" test-gcc.s |
+    grep -v '\.[sg][el]' | sed 's/(\([0-9][0-9]*\))/\1/' >test-gcc-ztt
+  diff -U3 test-gcc-ztt test-clang-ztt
+  if [ $? != 0 ]; then
+     echo "FAIL: s$i VTT"
+  else
+     echo "PASS: s$i VTT"
+  fi
+  let i=i+1
+done