Test: Update to LLVM 3.9.0 IR (source_filename).

Author: Hywan

source/builder.rs

@@ -172,6 +172,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define void @f() {\n" +
             "entry:\n" +
@@ -193,6 +194,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define i1 @f() {\n" +
             "entry:\n" +
@@ -214,6 +216,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define i8 @f() {\n" +
             "entry:\n" +
@@ -240,6 +243,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define i8 @f() {\n" +
             "entry:\n" +

source/engine.rs

@@ -232,6 +232,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define i8 @f() {\n" +
             "entry:\n" +

source/function.rs

@@ -159,6 +159,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "declare void @f()\n",
             format!("{}", module)
@@ -178,6 +179,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "declare double @f(i8, [7 x i1])\n",
             format!("{}", module)
@@ -198,6 +200,7 @@ mod tests {
 
         assert_eq!(
             "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n" +
             "\n" +
             "define void @f() {\n" +
             "entry:\n" +

source/module.rs

@@ -154,7 +154,8 @@ mod tests {
         let module  = Module::new("foobar", &context);
 
         assert_eq!(
-            "; ModuleID = 'foobar'\n",
+            "; ModuleID = 'foobar'\n".to_string() +
+            "source_filename = \"foobar\"\n",
             format!("{}", module)
         );
     }