diff options
| -rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp index f3aca90d0..bcd6bda28 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp @@ -217,9 +217,16 @@ Id EmitPhi(EmitContext& ctx, IR::Inst* inst) { IR::Inst* const arg_inst{arg.Inst()}; def = arg_inst->Definition<Id>(); if (!Sirit::ValidId(def)) { - // If it hasn't been defined, get a forward declaration - def = ctx.ForwardDeclarationId(); - arg_inst->SetDefinition<Id>(def); + if (arg_inst == inst) { + // This is a self referencing phi node + def = ctx.CurrentId(); + // Self-referencing definition will be set by the caller + } else { + // If it hasn't been defined and it's not a self reference, + // get a forward declaration + def = ctx.ForwardDeclarationId(); + arg_inst->SetDefinition<Id>(def); + } } } IR::Block* const phi_block{inst->PhiBlock(index)}; |