From cd93b370d5978a37c0eda541b3d594f16c7a28b4 Mon Sep 17 00:00:00 2001
From: Peter Zotov <whitequark@whitequark.org>
Date: Wed, 6 Nov 2013 09:21:01 +0000
Subject: [PATCH] [llvm-c] Implement LLVMPrintValueToString

Original patch by Chris Wailes

llvm-svn: 194135
---
 llvm/include/llvm-c/Core.h |  8 ++++++++
 llvm/lib/IR/Core.cpp       | 10 ++++++++++
 2 files changed, 18 insertions(+)

diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 89ddf418b2f4..30b1d829d25d 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -1211,6 +1211,14 @@ void LLVMSetValueName(LLVMValueRef Val, const char *Name);
  */
 void LLVMDumpValue(LLVMValueRef Val);
 
+/**
+ * Return a string representation of the value. Use
+ * LLVMDisposeMessage to free the string.
+ *
+ * @see llvm::Value::print()
+ */
+char *LLVMPrintValueToString(LLVMValueRef Val);
+
 /**
  * Replace all uses of a value with another one.
  *
diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index 40db69b3700f..63cc2f6f06a1 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -474,6 +474,16 @@ void LLVMDumpValue(LLVMValueRef Val) {
   unwrap(Val)->dump();
 }
 
+char* LLVMPrintValueToString(LLVMValueRef Val) {
+  std::string buf;
+  raw_string_ostream os(buf);
+
+  unwrap(Val)->print(os);
+  os.flush();
+
+  return strdup(buf.c_str());
+}
+
 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal) {
   unwrap(OldVal)->replaceAllUsesWith(unwrap(NewVal));
 }