From 876968ccadf96ff592061c61855d77c6071f89f5 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 13 Aug 2020 12:17:59 -0700
Subject: IR support for Tuple types. (#1492)

* Tuple types.

* Fix x86 warning

* Improved deduplication

Co-authored-by: Tim Foley <tfoleyNV@users.noreply.github.com>
---
 source/slang/slang-ir.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'source/slang/slang-ir.cpp')

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 1a6187a92..13840a84a 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -2270,6 +2270,23 @@ namespace Slang
         return (IRAnyValueType*)getType(kIROp_AnyValueType, size);
     }
 
+    IRTupleType* IRBuilder::getTupleType(UInt count, IRType* const* types)
+    {
+        return (IRTupleType*)getType(kIROp_TupleType, count, (IRInst*const*)types);
+    }
+
+    IRTupleType* IRBuilder::getTupleType(IRType* type0, IRType* type1)
+    {
+        IRType* operands[] = { type0, type1 };
+        return getTupleType(2, operands);
+    }
+
+    IRTupleType* IRBuilder::getTupleType(IRType* type0, IRType* type1, IRType* type2)
+    {
+        IRType* operands[] = { type0, type1, type2 };
+        return getTupleType(3, operands);
+    }
+
     IRBasicBlockType*   IRBuilder::getBasicBlockType()
     {
         return (IRBasicBlockType*)getType(kIROp_BasicBlockType);
@@ -2721,6 +2738,17 @@ namespace Slang
         return inst;
     }
 
+    IRInst* IRBuilder::emitMakeTuple(IRType* type, UInt count, IRInst* const* args)
+    {
+        return emitIntrinsicInst(type, kIROp_MakeTuple, count, args);
+    }
+
+    IRInst* IRBuilder::emitGetTupleElement(IRType* type, IRInst* tuple, UInt element)
+    {
+        IRInst* args[] = { tuple, getIntValue(getIntType(), element) };
+        return emitIntrinsicInst(type, kIROp_GetTupleElement, 2, args);
+    }
+
     IRInst* IRBuilder::emitMakeVector(
         IRType*         type,
         UInt            argCount,
-- 
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