glasm: Rework control flow introducing a syntax list

This commit regresses VertexA shaders, their transformation pass has to
be adapted to the new control flow.

1 files changed, 3 insertions, 8 deletions

diff --git a/src/shader_recompiler/frontend/ir/microinstruction.cpp b/src/shader_recompiler/frontend/ir/microinstruction.cpp
index 616ef17d4..364574240 100644
--- a/src/shader_recompiler/frontend/ir/microinstruction.cpp
+++ b/src/shader_recompiler/frontend/ir/microinstruction.cpp
@@ -56,19 +56,14 @@ Inst::~Inst() {
 
 bool Inst::MayHaveSideEffects() const noexcept {
     switch (op) {
-    case Opcode::Branch:
-    case Opcode::BranchConditional:
-    case Opcode::LoopMerge:
-    case Opcode::SelectionMerge:
-    case Opcode::Return:
+    case Opcode::Prologue:
+    case Opcode::Epilogue:
+    case Opcode::BranchConditionRef:
     case Opcode::Join:
-    case Opcode::Unreachable:
     case Opcode::DemoteToHelperInvocation:
     case Opcode::Barrier:
     case Opcode::WorkgroupMemoryBarrier:
     case Opcode::DeviceMemoryBarrier:
-    case Opcode::Prologue:
-    case Opcode::Epilogue:
     case Opcode::EmitVertex:
     case Opcode::EndPrimitive:
     case Opcode::SetAttribute: