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| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-26 20:41:53 +0200 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:33 +0200 |
| commit | 586c785366307cb3c648bd33345b431b8312612d (patch) | |
| tree | 69992ad1ddc8bb5c86f91b48b39c311bda605a26 /src/shader_recompiler | |
| parent | glasm: Implement undef instructions (diff) | |
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Diffstat (limited to 'src/shader_recompiler')
| -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 |