[Offload] Make olMemcpy src parameter const (#143161)

callumfare · web-flow · commit 835497a4dcbc · 2025-06-06T10:25:00.000-05:00
diff --git a/offload/liboffload/API/Memory.td b/offload/liboffload/API/Memory.td
@@ -57,7 +57,7 @@ def : Function {
         Param<"ol_queue_handle_t", "Queue", "handle of the queue.", PARAM_IN_OPTIONAL>,
         Param<"void*", "DstPtr", "pointer to copy to", PARAM_IN>,
         Param<"ol_device_handle_t", "DstDevice", "device that DstPtr belongs to", PARAM_IN>,
-        Param<"void*", "SrcPtr", "pointer to copy from", PARAM_IN>,
+        Param<"const void*", "SrcPtr", "pointer to copy from", PARAM_IN>,
         Param<"ol_device_handle_t", "SrcDevice", "device that SrcPtr belongs to", PARAM_IN>,
         Param<"size_t", "Size", "size in bytes of data to copy", PARAM_IN>,
         Param<"ol_event_handle_t*", "EventOut", "optional recorded event for the enqueued operation", PARAM_OUT_OPTIONAL>
diff --git a/offload/liboffload/src/OffloadImpl.cpp b/offload/liboffload/src/OffloadImpl.cpp
@@ -399,7 +399,7 @@ ol_event_handle_t makeEvent(ol_queue_handle_t Queue) {
 }
 
 Error olMemcpy_impl(ol_queue_handle_t Queue, void *DstPtr,
-                    ol_device_handle_t DstDevice, void *SrcPtr,
+                    ol_device_handle_t DstDevice, const void *SrcPtr,
                     ol_device_handle_t SrcDevice, size_t Size,
                     ol_event_handle_t *EventOut) {
   if (DstDevice == HostDevice() && SrcDevice == HostDevice()) {

Original file line number	Diff line number	Diff line change
`@@ -399,7 +399,7 @@ ol_event_handle_t makeEvent(ol_queue_handle_t Queue) {`
`399`	`399`	`}`
`400`	`400`
`401`	`401`	`Error olMemcpy_impl(ol_queue_handle_t Queue, void *DstPtr,`
`402`		`- ol_device_handle_t DstDevice, void *SrcPtr,`
	`402`	`+ ol_device_handle_t DstDevice, const void *SrcPtr,`
`403`	`403`	`ol_device_handle_t SrcDevice, size_t Size,`
`404`	`404`	`ol_event_handle_t *EventOut) {`
`405`	`405`	`if (DstDevice == HostDevice() && SrcDevice == HostDevice()) {`