[LLVM-C] Expose functions to create debug locations via DIBuilder.

These include:
  * Several functions for creating an LLVMDIBuilder,
  * LLVMDIBuilderCreateCompileUnit,
  * LLVMDIBuilderCreateFile,
  * LLVMDIBuilderCreateDebugLocation.

Patch by Harlan Haskins.

Differential Revision: https://reviews.llvm.org/D32368

llvm-svn: 317135
diff --git a/llvm/tools/llvm-c-test/main.c b/llvm/tools/llvm-c-test/main.c
index 9bc0c96..5130783 100644
--- a/llvm/tools/llvm-c-test/main.c
+++ b/llvm/tools/llvm-c-test/main.c
@@ -55,6 +55,9 @@
   fprintf(stderr, "  * --test-diagnostic-handler\n");
   fprintf(stderr,
           "    Read bitcode file form stdin with a diagnostic handler set\n\n");
+  fprintf(stderr, "  * --test-dibuilder\n");
+  fprintf(stderr,
+          "    Run tests for the DIBuilder C API - print generated module\n\n");
 }
 
 int main(int argc, char **argv) {
@@ -96,6 +99,8 @@
     return llvm_echo();
   } else if (argc == 2 && !strcmp(argv[1], "--test-diagnostic-handler")) {
     return llvm_test_diagnostic_handler();
+  } else if (argc == 2 && !strcmp(argv[1], "--test-dibuilder")) {
+    return llvm_test_dibuilder();
   } else {
     print_usage();
   }