[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

4 files changed, 47 insertions, 0 deletions

diff --git a/llvm/tools/llvm-c-test/CMakeLists.txt b/llvm/tools/llvm-c-test/CMakeLists.txt
index a2bde0d9714..bce0f4a5a42 100644
--- a/llvm/tools/llvm-c-test/CMakeLists.txt
+++ b/llvm/tools/llvm-c-test/CMakeLists.txt
@@ -38,6 +38,7 @@ endif ()
 add_llvm_tool(llvm-c-test
   attributes.c
   calc.c
+  debuginfo.c
   diagnostic.c
   disassemble.c
   echo.cpp
diff --git a/llvm/tools/llvm-c-test/debuginfo.c b/llvm/tools/llvm-c-test/debuginfo.c
new file mode 100644
index 00000000000..2da3887a172
--- /dev/null
+++ b/llvm/tools/llvm-c-test/debuginfo.c
@@ -0,0 +1,38 @@
+/*===-- debuginfo.c - tool for testing libLLVM and llvm-c API -------------===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* Tests for the LLVM C DebugInfo API                                         *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c-test.h"
+#include "llvm-c/DebugInfo.h"
+#include <string.h>
+#include <stdio.h>
+
+int llvm_test_dibuilder() {
+  LLVMModuleRef M = LLVMModuleCreateWithName("debuginfo.c");
+  LLVMDIBuilderRef DIB = LLVMCreateDIBuilder(M);
+
+  LLVMMetadataRef File = LLVMDIBuilderCreateFile(DIB, "debuginfo.c", 12,
+                                                 ".", 1);
+
+  LLVMDIBuilderCreateCompileUnit(DIB,
+      LLVMDWARFSourceLanguageC, File,"llvm-c-test", 11, 0, NULL, 0, 0,
+      NULL, 0, LLVMDWARFEmissionFull, 0, 0, 0);
+
+  char *MStr = LLVMPrintModuleToString(M);
+  puts(MStr);
+  LLVMDisposeMessage(MStr);
+
+  LLVMDisposeDIBuilder(DIB);
+  LLVMDisposeModule(M);
+
+  return 0;
+}
diff --git a/llvm/tools/llvm-c-test/llvm-c-test.h b/llvm/tools/llvm-c-test/llvm-c-test.h
index 2a7090484b0..cf9a0f99de6 100644
--- a/llvm/tools/llvm-c-test/llvm-c-test.h
+++ b/llvm/tools/llvm-c-test/llvm-c-test.h
@@ -35,6 +35,9 @@ int llvm_calc(void);
 // disassemble.c
 int llvm_disassemble(void);
 
+// debuginfo.c
+int llvm_test_dibuilder(void);
+
 // metadata.c
 int llvm_add_named_metadata_operand(void);
 int llvm_set_metadata(void);
diff --git a/llvm/tools/llvm-c-test/main.c b/llvm/tools/llvm-c-test/main.c
index 9bc0c96c3d6..5130783d6a6 100644
--- a/llvm/tools/llvm-c-test/main.c
+++ b/llvm/tools/llvm-c-test/main.c
@@ -55,6 +55,9 @@ static void print_usage(void) {
   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 @@ int main(int argc, char **argv) {
     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();
   }