From 9bb3e008c9f4bbdd35c095b506c3a3312d17e383 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Tue, 18 May 2021 02:04:22 -0300 Subject: shader: Read branch conditions from an instruction Fixes the identity removal pass. --- .../frontend/maxwell/structured_control_flow.cpp | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'src/shader_recompiler/frontend/maxwell/structured_control_flow.cpp') 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; -- cgit v1.2.3