1 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/Support/PatternMatch.h b/include/llvm/Support/PatternMatch.h
index 386380c6bc..9fbe4349b3 100644
--- a/include/llvm/Support/PatternMatch.h
+++ b/include/llvm/Support/PatternMatch.h
@@ -781,6 +781,25 @@ inline fneg_match<LHS> m_FNeg(const LHS &L) { return L; }
 // Matchers for control flow.
 //
 
+struct br_match {
+  BasicBlock *&Succ;
+  br_match(BasicBlock *&Succ)
+    : Succ(Succ) {
+  }
+
+  template<typename OpTy>
+  bool match(OpTy *V) {
+    if (BranchInst *BI = dyn_cast<BranchInst>(V))
+      if (BI->isUnconditional()) {
+        Succ = BI->getSuccessor(0);
+        return true;
+      }
+    return false;
+  }
+};
+
+inline br_match m_UnconditionalBr(BasicBlock *&Succ) { return br_match(Succ); }
+
 template<typename Cond_t>
 struct brc_match {
   Cond_t Cond;