Fix a bunch of Doxygen syntax issues. Escape special characters,
and put @file directives on their own comment line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index 875de55..5f9a8b5 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -425,9 +425,9 @@
 /// AreEquivalentAddressValues - Test if A and B will obviously have the same
 /// value. This includes recognizing that %t0 and %t1 will have the same
 /// value in code like this:
-///   %t0 = getelementptr @a, 0, 3
+///   %t0 = getelementptr \@a, 0, 3
 ///   store i32 0, i32* %t0
-///   %t1 = getelementptr @a, 0, 3
+///   %t1 = getelementptr \@a, 0, 3
 ///   %t2 = load i32* %t1
 ///
 static bool AreEquivalentAddressValues(const Value *A, const Value *B) {