Detailed vtable checker.

llvm-svn: 92953

2 files changed, 19 insertions, 1 deletions

diff --git a/clang/utils/VtableTest/Makefile b/clang/utils/VtableTest/Makefile
index 4798e828866..0e060267903 100644
--- a/clang/utils/VtableTest/Makefile
+++ b/clang/utils/VtableTest/Makefile
@@ -1,4 +1,4 @@
-GXX := g++
+GXX := llvm-g++-4.2
 CLANGXX := clang++
 
 all: one
diff --git a/clang/utils/VtableTest/check-zvt b/clang/utils/VtableTest/check-zvt
new file mode 100755
index 00000000000..d95cc5bf06e
--- /dev/null
+++ b/clang/utils/VtableTest/check-zvt
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+N_STRUCTS=300
+
+# Utility routine to "hand" check vtables.
+
+let i=0;
+while [ $i != $N_STRUCTS ]; do
+  sed -n "/^__ZTV.*s$i:/,/\.[sg][el]/p" test-clang.s | grep -v '\.[sg][el]' >test-clang-ztv
+  sed -n "/^__ZTV.*s$i:/,/\.[sg][el]/p" test-gcc.s | grep -v '\.[sg][el]' >test-gcc-ztv
+  diff -U3 test-gcc-ztv test-clang-ztv
+  if [ $? != 0 ]; then
+     echo "FAIL: s$i vtable"
+  else
+     echo "PASS: s$i vtable"
+  fi
+  let i=i+1
+done