diff options
Diffstat (limited to '')
| -rw-r--r-- | src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp index 53145fb5e..87aa09358 100644 --- a/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp +++ b/src/shader_recompiler/ir_opt/ssa_rewrite_pass.cpp @@ -14,6 +14,7 @@ // https://link.springer.com/chapter/10.1007/978-3-642-37051-9_6 // +#include <deque> #include <span> #include <variant> #include <vector> @@ -370,6 +371,26 @@ void VisitBlock(Pass& pass, IR::Block* block) { } pass.SealBlock(block); } + +IR::Type GetConcreteType(IR::Inst* inst) { + std::deque<IR::Inst*> queue; + queue.push_back(inst); + while (!queue.empty()) { + IR::Inst* current = queue.front(); + queue.pop_front(); + const size_t num_args{current->NumArgs()}; + for (size_t i = 0; i < num_args; ++i) { + const auto set_type = current->Arg(i).Type(); + if (set_type != IR::Type::Opaque) { + return set_type; + } + if (!current->Arg(i).IsImmediate()) { + queue.push_back(current->Arg(i).Inst()); + } + } + } + return IR::Type::Opaque; +} } // Anonymous namespace void SsaRewritePass(IR::Program& program) { @@ -378,6 +399,16 @@ void SsaRewritePass(IR::Program& program) { for (auto block = program.post_order_blocks.rbegin(); block != end; ++block) { VisitBlock(pass, *block); } + for (auto block = program.post_order_blocks.rbegin(); block != end; ++block) { + for (IR::Inst& inst : (*block)->Instructions()) { + if (inst.GetOpcode() == IR::Opcode::Phi) { + if (inst.Type() == IR::Type::Opaque) { + inst.SetFlags(GetConcreteType(&inst)); + } + inst.OrderPhiArgs(); + } + } + } } } // namespace Shader::Optimization |