From cb76f395d7ab8e872ce20c7585260c42f740e794 Mon Sep 17 00:00:00 2001
From: Peter Zotov <whitequark@whitequark.org>
Date: Fri, 17 Oct 2014 01:02:34 +0000
Subject: [PATCH] [LLVM-C] Add LLVMInstructionClone.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220007 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm-c/Core.h | 10 ++++++++++
 lib/IR/Core.cpp       |  6 ++++++
 2 files changed, 16 insertions(+)

diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index bfbc6322902..4f9da09a6d8 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -2408,6 +2408,16 @@ LLVMOpcode   LLVMGetInstructionOpcode(LLVMValueRef Inst);
  */
 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst);
 
+/**
+ * Create a copy of 'this' instruction that is identical in all ways
+ * except the following:
+ *   * The instruction has no parent
+ *   * The instruction has no name
+ *
+ * @see llvm::Instruction::clone()
+ */
+LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst);
+
 /**
  * @defgroup LLVMCCoreValueInstructionCall Call Sites and Invocations
  *
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index acf63a36d26..f1e134233e6 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -1888,6 +1888,12 @@ LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst) {
   return (LLVMOpcode)0;
 }
 
+LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst) {
+  if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
+    return wrap(C->clone());
+  return nullptr;
+}
+
 /*--.. Call and invoke instructions ........................................--*/
 
 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr) {