diff options
| -rw-r--r-- | src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp | 4 | ||||
| -rw-r--r-- | src/shader_recompiler/frontend/ir/value.h | 13 |
2 files changed, 16 insertions, 1 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp index c76b45b8b..022b6584c 100644 --- a/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp +++ b/src/shader_recompiler/backend/glasm/emit_glasm_not_implemented.cpp @@ -58,7 +58,9 @@ void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value& } const Register phi_reg{ctx.reg_alloc.Consume(IR::Value{&phi})}; const Value eval_value{ctx.reg_alloc.Consume(value)}; - + if (!value.IsImmediate() && IR::IsUndef(RegAlloc::AliasInst(*value.Inst()))) { + return; + } if (phi_reg == eval_value) { return; } diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h index 0c6bf684d..090cc1739 100644 --- a/src/shader_recompiler/frontend/ir/value.h +++ b/src/shader_recompiler/frontend/ir/value.h @@ -395,4 +395,17 @@ inline f64 Value::F64() const { return inst.GetOpcode() == Opcode::Phi; } +[[nodiscard]] inline bool IsUndef(const Inst& inst) { + switch (inst.GetOpcode()) { + case Opcode::UndefU1: + case Opcode::UndefU8: + case Opcode::UndefU16: + case Opcode::UndefU32: + case Opcode::UndefU64: + return true; + default: + return false; + } +} + } // namespace Shader::IR |