From 3633e433774927681b02e1de665a608730f5582c Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 16 Feb 2021 19:49:24 -0300
Subject: shader: Add utility to resolve identities on a value
---
src/shader_recompiler/frontend/ir/value.cpp | 7 +++++++
src/shader_recompiler/frontend/ir/value.h | 1 +
2 files changed, 8 insertions(+)
(limited to 'src')
diff --git a/src/shader_recompiler/frontend/ir/value.cpp b/src/shader_recompiler/frontend/ir/value.cpp
index 9ea61813ba..718314213d 100644
--- a/src/shader_recompiler/frontend/ir/value.cpp
+++ b/src/shader_recompiler/frontend/ir/value.cpp
@@ -79,6 +79,13 @@ IR::Inst* Value::InstRecursive() const {
return inst;
}
+IR::Value Value::Resolve() const {
+ if (IsIdentity()) {
+ return inst->Arg(0).Resolve();
+ }
+ return *this;
+}
+
IR::Reg Value::Reg() const {
ValidateAccess(Type::Reg);
return reg;
diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h
index 2f3688c736..8aba0bbf6e 100644
--- a/src/shader_recompiler/frontend/ir/value.h
+++ b/src/shader_recompiler/frontend/ir/value.h
@@ -41,6 +41,7 @@ public:
[[nodiscard]] IR::Inst* Inst() const;
[[nodiscard]] IR::Block* Label() const;
[[nodiscard]] IR::Inst* InstRecursive() const;
+ [[nodiscard]] IR::Value Resolve() const;
[[nodiscard]] IR::Reg Reg() const;
[[nodiscard]] IR::Pred Pred() const;
[[nodiscard]] IR::Attribute Attribute() const;
--
cgit v1.2.3-70-g09d2