4 files changed, 20 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 9b898e4e1..552472487 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -87,6 +87,10 @@ void IREmitter::Return() {
     Inst(Opcode::Return);
 }
 
+void IREmitter::Unreachable() {
+    Inst(Opcode::Unreachable);
+}
+
 void IREmitter::DemoteToHelperInvocation(Block* continue_label) {
     block->SetBranch(continue_label);
     continue_label->AddImmediatePredecessor(block);
@@ -126,6 +130,14 @@ void IREmitter::SetGotoVariable(u32 id, const U1& value) {
     Inst(Opcode::SetGotoVariable, id, value);
 }
 
+U32 IREmitter::GetIndirectBranchVariable() {
+    return Inst<U32>(Opcode::GetIndirectBranchVariable);
+}
+
+void IREmitter::SetIndirectBranchVariable(const U32& value) {
+    Inst(Opcode::SetIndirectBranchVariable, value);
+}
+
 void IREmitter::SetPred(IR::Pred pred, const U1& value) {
     Inst(Opcode::SetPred, pred, value);
 }
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 269f367a4..17bc32fc8 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -37,6 +37,7 @@ public:
     void LoopMerge(Block* merge_block, Block* continue_target);
     void SelectionMerge(Block* merge_block);
     void Return();
+    void Unreachable();
     void DemoteToHelperInvocation(Block* continue_label);
 
     void Prologue();
@@ -51,6 +52,9 @@ public:
     [[nodiscard]] U1 GetGotoVariable(u32 id);
     void SetGotoVariable(u32 id, const U1& value);
 
+    [[nodiscard]] U32 GetIndirectBranchVariable();
+    void SetIndirectBranchVariable(const U32& value);
+
     [[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
     [[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
                                bool is_signed);
diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 52a5e5034..c3ba6b522 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -55,6 +55,7 @@ bool Inst::MayHaveSideEffects() const noexcept {
     case Opcode::LoopMerge:
     case Opcode::SelectionMerge:
     case Opcode::Return:
+    case Opcode::Unreachable:
     case Opcode::DemoteToHelperInvocation:
     case Opcode::Prologue:
     case Opcode::Epilogue:
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 9b050995b..fb79e3d8d 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -13,6 +13,7 @@ OPCODE(BranchConditional,                                   Void,           U1,
 OPCODE(LoopMerge,                                           Void,           Label,          Label,                                                          )
 OPCODE(SelectionMerge,                                      Void,           Label,                                                                          )
 OPCODE(Return,                                              Void,                                                                                           )
+OPCODE(Unreachable,                                         Void,                                                                                           )
 OPCODE(DemoteToHelperInvocation,                            Void,           Label,                                                                          )
 
 // Special operations
@@ -26,6 +27,8 @@ OPCODE(GetPred,                                             U1,             Pred
 OPCODE(SetPred,                                             Void,           Pred,           U1,                                                             )
 OPCODE(GetGotoVariable,                                     U1,             U32,                                                                            )
 OPCODE(SetGotoVariable,                                     Void,           U32,            U1,                                                             )
+OPCODE(GetIndirectBranchVariable,                           U32,                                                                                            )
+OPCODE(SetIndirectBranchVariable,                           Void,           U32,                                                                            )
 OPCODE(GetCbufU8,                                           U32,            U32,            U32,                                                            )
 OPCODE(GetCbufS8,                                           U32,            U32,            U32,                                                            )
 OPCODE(GetCbufU16,                                          U32,            U32,            U32,                                                            )