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shader: Add TryInstRecursive utility to values

This commit is contained in:
ReinUsesLisp 2021-07-26 01:31:05 -03:00
parent c09557acd8
commit f6f0383b49

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@ -57,6 +57,7 @@ public:
[[nodiscard]] IR::Inst* Inst() const;
[[nodiscard]] IR::Inst* InstRecursive() const;
[[nodiscard]] IR::Inst* TryInstRecursive() const;
[[nodiscard]] IR::Value Resolve() const;
[[nodiscard]] IR::Reg Reg() const;
[[nodiscard]] IR::Pred Pred() const;
@ -308,6 +309,13 @@ inline IR::Inst* Value::InstRecursive() const {
return inst;
}
inline IR::Inst* Value::TryInstRecursive() const {
if (IsIdentity()) {
return inst->Arg(0).TryInstRecursive();
}
return type == Type::Opaque ? inst : nullptr;
}
inline IR::Value Value::Resolve() const {
if (IsIdentity()) {
return inst->Arg(0).Resolve();