Revert "glasm: Skip phi moves on undefined instructions"
Causes regressions on Bowser's Fury.
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@ -58,9 +58,7 @@ void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value&
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}
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}
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const Register phi_reg{ctx.reg_alloc.Consume(IR::Value{&phi})};
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const Register phi_reg{ctx.reg_alloc.Consume(IR::Value{&phi})};
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const Value eval_value{ctx.reg_alloc.Consume(value)};
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const Value eval_value{ctx.reg_alloc.Consume(value)};
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if (!value.IsImmediate() && IR::IsUndef(RegAlloc::AliasInst(*value.Inst()))) {
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return;
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}
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if (phi_reg == eval_value) {
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if (phi_reg == eval_value) {
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return;
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return;
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}
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}
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@ -395,17 +395,4 @@ inline f64 Value::F64() const {
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return inst.GetOpcode() == Opcode::Phi;
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return inst.GetOpcode() == Opcode::Phi;
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}
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}
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[[nodiscard]] inline bool IsUndef(const Inst& inst) {
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switch (inst.GetOpcode()) {
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case Opcode::UndefU1:
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case Opcode::UndefU8:
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case Opcode::UndefU16:
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case Opcode::UndefU32:
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case Opcode::UndefU64:
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return true;
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default:
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return false;
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}
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}
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} // namespace Shader::IR
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} // namespace Shader::IR
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