From e81739493a0cacc1efe3295f9d287d5d31b1a989 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 5 Feb 2021 05:58:02 -0300
Subject: shader: Constant propagation and global memory to storage buffer

---
 src/shader_recompiler/frontend/ir/value.cpp | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'src/shader_recompiler/frontend/ir/value.cpp')

diff --git a/src/shader_recompiler/frontend/ir/value.cpp b/src/shader_recompiler/frontend/ir/value.cpp
index 1e974e88c..59a9b10dc 100644
--- a/src/shader_recompiler/frontend/ir/value.cpp
+++ b/src/shader_recompiler/frontend/ir/value.cpp
@@ -91,26 +91,41 @@ IR::Attribute Value::Attribute() const {
 }
 
 bool Value::U1() const {
+    if (IsIdentity()) {
+        return inst->Arg(0).U1();
+    }
     ValidateAccess(Type::U1);
     return imm_u1;
 }
 
 u8 Value::U8() const {
+    if (IsIdentity()) {
+        return inst->Arg(0).U8();
+    }
     ValidateAccess(Type::U8);
     return imm_u8;
 }
 
 u16 Value::U16() const {
+    if (IsIdentity()) {
+        return inst->Arg(0).U16();
+    }
     ValidateAccess(Type::U16);
     return imm_u16;
 }
 
 u32 Value::U32() const {
+    if (IsIdentity()) {
+        return inst->Arg(0).U32();
+    }
     ValidateAccess(Type::U32);
     return imm_u32;
 }
 
 u64 Value::U64() const {
+    if (IsIdentity()) {
+        return inst->Arg(0).U64();
+    }
     ValidateAccess(Type::U64);
     return imm_u64;
 }
@@ -142,8 +157,6 @@ bool Value::operator==(const Value& other) const {
         return imm_u32 == other.imm_u32;
     case Type::U64:
         return imm_u64 == other.imm_u64;
-    case Type::ZSCO:
-        throw NotImplementedException("ZSCO comparison");
     }
     throw LogicError("Invalid type {}", type);
 }
-- 
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