shader: Read branch conditions from an instruction

Fixes the identity removal pass.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
index 83554a953..ebe5c2654 100644
--- a/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
+++ b/src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp
@@ -703,8 +703,7 @@ private:
 
                 // Implement if header block
                 IR::IREmitter ir{*current_block};
-                const IR::U1 cond{VisitExpr(ir, *stmt.cond)};
-                ir.DummyReference(cond);
+                const IR::U1 cond{ir.ConditionRef(VisitExpr(ir, *stmt.cond))};
 
                 const size_t if_node_index{syntax_list.size()};
                 syntax_list.emplace_back();
@@ -754,8 +753,7 @@ private:
 
                 // The continue block is located at the end of the loop
                 IR::IREmitter ir{*continue_block};
-                const IR::U1 cond{VisitExpr(ir, *stmt.cond)};
-                ir.DummyReference(cond);
+                const IR::U1 cond{ir.ConditionRef(VisitExpr(ir, *stmt.cond))};
 
                 IR::Block* const body_block{syntax_list.at(body_block_index).data.block};
                 loop_header_block->AddBranch(body_block);
@@ -791,8 +789,7 @@ private:
                 IR::Block* const skip_block{MergeBlock(parent, stmt)};
 
                 IR::IREmitter ir{*current_block};
-                const IR::U1 cond{VisitExpr(ir, *stmt.cond)};
-                ir.DummyReference(cond);
+                const IR::U1 cond{ir.ConditionRef(VisitExpr(ir, *stmt.cond))};
                 current_block->AddBranch(break_block);
                 current_block->AddBranch(skip_block);
                 current_block = skip_block;