From cac4e2fe258239489c12dd5f153da3e69e17ebba Mon Sep 17 00:00:00 2001
From: "Yaxun (Sam) Liu" <yaxun.liu@amd.com>
Date: Mon, 18 Apr 2022 11:08:50 -0400
Subject: [CUDA][HIP] Fix gpu.used.external

Rename gpu.used.external as __clang_gpu_used_external as ptxas does not
allow . in global variable name.

Fixes: https://github.com/llvm/llvm-project/issues/54934

Reviewed by: Joseph Huber, Artem Belevich

Differential Revision: https://reviews.llvm.org/D123946
---
 clang/lib/CodeGen/CodeGenModule.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'clang/lib/CodeGen/CodeGenModule.cpp')

diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index bf5f2d1b4271..9f6e2e5a9f52 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -599,7 +599,7 @@ void CodeGenModule::Release() {
 
     auto *GV = new llvm::GlobalVariable(
         getModule(), ATy, false, llvm::GlobalValue::AppendingLinkage,
-        llvm::ConstantArray::get(ATy, UsedArray), "gpu.used.external");
+        llvm::ConstantArray::get(ATy, UsedArray), "__clang_gpu_used_external");
     addCompilerUsedGlobal(GV);
   }
 
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