[llvm-c] Add LLVMPrintModuleToString.

Like LLVMDumpModule but returns the string (that needs to be freed
with LLVMDisposeMessage) instead of printing it to stderr.

Differential Revision: http://llvm-reviews.chandlerc.com/D1941



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192821 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 95c516a..cf1c1df 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -147,6 +147,16 @@ LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
   return false;
 }
 
+char *LLVMPrintModuleToString(LLVMModuleRef M) {
+  std::string buf;
+  raw_string_ostream os(buf);
+
+  unwrap(M)->print(os, NULL);
+  os.flush();
+
+  return strdup(buf.c_str());
+}
+
 /*--.. Operations on inline assembler ......................................--*/
 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
   unwrap(M)->setModuleInlineAsm(StringRef(Asm));