From 2481c75f8ba805e31776cfdb4cb29afea6e157a1 Mon Sep 17 00:00:00 2001
From: Peter Zotov <whitequark@whitequark.org>
Date: Tue, 28 Oct 2014 19:46:56 +0000
Subject: [C API] PR19859: Add functions to query and modify branches.

Patch by Gabriel Radanne <drupyog@zoho.com>.

llvm-svn: 220817
---
 llvm/lib/IR/Core.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'llvm/lib/IR/Core.cpp')

diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index e8cfc79679d..f6ab9197244 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -1985,6 +1985,34 @@ void LLVMSetTailCall(LLVMValueRef Call, LLVMBool isTailCall) {
   unwrap<CallInst>(Call)->setTailCall(isTailCall);
 }
 
+/*--.. Operations on terminators ...........................................--*/
+
+unsigned LLVMGetNumSuccessors(LLVMValueRef Term) {
+  return unwrap<TerminatorInst>(Term)->getNumSuccessors();
+}
+
+LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i) {
+  return wrap(unwrap<TerminatorInst>(Term)->getSuccessor(i));
+}
+
+void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block) {
+  return unwrap<TerminatorInst>(Term)->setSuccessor(i,unwrap(block));
+}
+
+/*--.. Operations on branch instructions (only) ............................--*/
+
+LLVMBool LLVMIsConditional(LLVMValueRef Branch) {
+  return unwrap<BranchInst>(Branch)->isConditional();
+}
+
+LLVMValueRef LLVMGetCondition(LLVMValueRef Branch) {
+  return wrap(unwrap<BranchInst>(Branch)->getCondition());
+}
+
+void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond) {
+  return unwrap<BranchInst>(Branch)->setCondition(unwrap(Cond));
+}
+
 /*--.. Operations on switch instructions (only) ............................--*/
 
 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef Switch) {
-- 
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