Certain characters not getting escaped properly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4582 91177308-0d34-0410-b5e6-96231b3b80d8

test/CBackend/2002-11-06-PrintEscaped.ll

@@ -0,0 +1,10 @@
+%testString = internal constant [18 x sbyte] c "Escaped newline\n\00"
+
+implementation
+
+declare int %printf(sbyte*, ...)
+
+int %main() {
+  call int (sbyte*, ...)* %printf( sbyte* getelementptr ([18 x sbyte]* %testString, long 0, long 0))
+  ret int 0
+}

test/CodeGen/CBackend/2002-11-06-PrintEscaped.ll

@@ -0,0 +1,10 @@
+%testString = internal constant [18 x sbyte] c "Escaped newline\n\00"
+
+implementation
+
+declare int %printf(sbyte*, ...)
+
+int %main() {
+  call int (sbyte*, ...)* %printf( sbyte* getelementptr ([18 x sbyte]* %testString, long 0, long 0))
+  ret int 0
+}