Support pointers in SPIRV. (#3561)

* Support pointers in SPIRV.

* Fix test.

* Enhance test.

* Fix test.

* Cleanup.

1 files changed, 9 insertions, 15 deletions

diff --git a/source/slang/core.meta.slang b/source/slang/core.meta.slang
index f3ab38582..1e1ef061e 100644
--- a/source/slang/core.meta.slang
+++ b/source/slang/core.meta.slang
@@ -719,19 +719,7 @@ struct Ptr
 
     __subscript(int index) -> T
     {
-        [__unsafeForceInlineEarly]
-        get
-        {
-            return __load(__getElementPtr(this, index));
-        }
-
-        [__unsafeForceInlineEarly]
-        set(T newValue)
-        {
-            __store(__getElementPtr(this, index), newValue);
-        }
-
-        __intrinsic_op($(kIROp_GetElementPtr))
+        __intrinsic_op($(kIROp_GetOffsetPtr))
         ref;
     }
 };
@@ -748,6 +736,12 @@ Ptr<T> __getElementPtr<T>(Ptr<T> ptr, int index);
 __intrinsic_op($(kIROp_GetElementPtr))
 Ptr<T> __getElementPtr<T>(Ptr<T> ptr, int64_t index);
 
+__intrinsic_op($(kIROp_GetOffsetPtr))
+Ptr<T> __getOffsetPtr<T>(Ptr<T> ptr, int index);
+
+__intrinsic_op($(kIROp_GetOffsetPtr))
+Ptr<T> __getOffsetPtr<T>(Ptr<T> ptr, int64_t index);
+
 __generic<T>
 __intrinsic_op($(kIROp_Less))
 bool operator<(Ptr<T> p1, Ptr<T> p2);
@@ -1543,14 +1537,14 @@ __intrinsic_op(0)
 __prefix Ptr<T> operator&(__ref T value);
 
 __generic<T>
-__intrinsic_op($(kIROp_GetElementPtr))
+__intrinsic_op($(kIROp_GetOffsetPtr))
 Ptr<T> operator+(Ptr<T> value, int64_t offset);
 
 __generic<T>
 [__unsafeForceInlineEarly]
 Ptr<T> operator-(Ptr<T> value, int64_t offset)
 {
-    return __getElementPtr(value, -offset);
+    return __getOffsetPtr(value, -offset);
 }
 
 __generic<T : IArithmetic>