https://github.com/sarnex created 
https://github.com/llvm/llvm-project/pull/137187

Based on feedback from https://github.com/llvm/llvm-project/pull/136753, remove 
the dummy values for OpenCL and make them match the zero default AS map.

>From ebfc2c8dcdc819723ac2196d8362ffea5f91ec2f Mon Sep 17 00:00:00 2001
From: "Sarnie, Nick" <nick.sar...@intel.com>
Date: Thu, 24 Apr 2025 07:42:37 -0700
Subject: [PATCH] [clang][SPIR-V] Fix OpenCL addrspace mapping when using
 non-zero default AS

Signed-off-by: Sarnie, Nick <nick.sar...@intel.com>
---
 clang/lib/Basic/Targets/SPIR.h | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/clang/lib/Basic/Targets/SPIR.h b/clang/lib/Basic/Targets/SPIR.h
index 310ef9f2df2c6..bf249e271a870 100644
--- a/clang/lib/Basic/Targets/SPIR.h
+++ b/clang/lib/Basic/Targets/SPIR.h
@@ -58,15 +58,13 @@ static const unsigned SPIRDefIsPrivMap[] = {
 // Used by both the SPIR and SPIR-V targets.
 static const unsigned SPIRDefIsGenMap[] = {
     4, // Default
-    // Some OpenCL address space values for this map are dummy and they can't 
be
-    // used
     1, // opencl_global
-    0, // opencl_local
-    0, // opencl_constant
+    3, // opencl_local
+    2, // opencl_constant
     0, // opencl_private
-    0, // opencl_generic
-    0, // opencl_global_device
-    0, // opencl_global_host
+    4, // opencl_generic
+    5, // opencl_global_device
+    6, // opencl_global_host
     // cuda_* address space mapping is intended for HIPSPV (HIP to SPIR-V
     // translation). This mapping is enabled when the language mode is HIP.
     1, // cuda_device

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