From ffca21487f9728015a2c036fa581ead7d3d074d9 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sun, 4 Apr 2021 05:18:09 -0300 Subject: shader: Eliminate orphan blocks more efficiently --- src/shader_recompiler/frontend/maxwell/program.cpp | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'src/shader_recompiler/frontend/maxwell/program.cpp') diff --git a/src/shader_recompiler/frontend/maxwell/program.cpp b/src/shader_recompiler/frontend/maxwell/program.cpp index 7b08f11b0..05b7591bc 100644 --- a/src/shader_recompiler/frontend/maxwell/program.cpp +++ b/src/shader_recompiler/frontend/maxwell/program.cpp @@ -14,20 +14,20 @@ #include "shader_recompiler/ir_opt/passes.h" namespace Shader::Maxwell { - -static void RemoveUnreachableBlocks(IR::Program& program) { +namespace { +void RemoveUnreachableBlocks(IR::Program& program) { // Some blocks might be unreachable if a function call exists unconditionally // If this happens the number of blocks and post order blocks will mismatch if (program.blocks.size() == program.post_order_blocks.size()) { return; } - const IR::BlockList& post_order{program.post_order_blocks}; - std::erase_if(program.blocks, [&](IR::Block* block) { - return std::ranges::find(post_order, block) == post_order.end(); - }); + const auto begin{std::next(program.blocks.begin())}; + const auto end{program.blocks.end()}; + const auto pred{[](IR::Block* block) { return block->ImmediatePredecessors().empty(); }}; + program.blocks.erase(std::remove_if(begin, end, pred), end); } -static void CollectInterpolationInfo(Environment& env, IR::Program& program) { +void CollectInterpolationInfo(Environment& env, IR::Program& program) { if (program.stage != Stage::Fragment) { return; } @@ -60,6 +60,7 @@ static void CollectInterpolationInfo(Environment& env, IR::Program& program) { }(); } } +} // Anonymous namespace IR::Program TranslateProgram(ObjectPool& inst_pool, ObjectPool& block_pool, Environment& env, Flow::CFG& cfg) { -- cgit v1.2.3