From cdeeb9127c17d2b15235bb1379f055caf71dcaff Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 31 Aug 2018 04:10:05 -0300
Subject: [PATCH] Add OpBranch

---
 include/sirit/sirit.h | 3 +++
 src/insts/flow.cpp    | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/include/sirit/sirit.h b/include/sirit/sirit.h
index a2b4e9b..1fe338f 100644
--- a/include/sirit/sirit.h
+++ b/include/sirit/sirit.h
@@ -164,6 +164,9 @@ public:
     /// The block label instruction: Any reference to a block is through this ref.
     Ref Label();
 
+    /// Unconditional jump to label.
+    Ref Branch(Ref target_label);
+
     /// Returns with no value from a function with void return type.
     Ref Return();
 
diff --git a/src/insts/flow.cpp b/src/insts/flow.cpp
index a7baac7..a9edf5c 100644
--- a/src/insts/flow.cpp
+++ b/src/insts/flow.cpp
@@ -30,6 +30,12 @@ Ref Module::Label() {
     return AddCode(spv::Op::OpLabel, bound++);
 }
 
+Ref Module::Branch(Ref target_label) {
+    Op* op{new Op(spv::Op::OpBranch)};
+    op->Add(target_label);
+    return AddCode(op);
+}
+
 Ref Module::Return() {
     return AddCode(spv::Op::OpReturn);
 }