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shader: Add constant propagation for *&^| binary operations

pull/15/merge
ReinUsesLisp 5 years ago
committed by ameerj
parent
commit
2597cee85b
  1. 12
      src/shader_recompiler/ir_opt/constant_propagation_pass.cpp

12
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp

@ -422,6 +422,9 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
return FoldAdd<u32>(block, inst);
case IR::Opcode::ISub32:
return FoldISub32(inst);
case IR::Opcode::IMul32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a * b; });
return;
case IR::Opcode::BitCastF32U32:
return FoldBitCast<IR::Opcode::BitCastF32U32, f32, u32>(inst, IR::Opcode::BitCastU32F32);
case IR::Opcode::BitCastU32F32:
@ -479,6 +482,15 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
case IR::Opcode::INotEqual:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a != b; });
return;
case IR::Opcode::BitwiseAnd32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a & b; });
return;
case IR::Opcode::BitwiseOr32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a | b; });
return;
case IR::Opcode::BitwiseXor32:
FoldWhenAllImmediates(inst, [](u32 a, u32 b) { return a ^ b; });
return;
case IR::Opcode::BitFieldUExtract:
FoldWhenAllImmediates(inst, [](u32 base, u32 shift, u32 count) {
if (static_cast<size_t>(shift) + static_cast<size_t>(count) > Common::BitSize<u32>()) {

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