https://github.com/yxsamliu created
https://github.com/llvm/llvm-project/pull/141581
Global variable `__hip_cuid_*` is for identifying purpose and does not need
sanitization, therefore disable it for sanitizers.
>From 503ee3dd5144b4cc2dd83488b2194900605217fd Mon Sep 17 00:00:00 2001
From: "Yaxun (Sam) Liu" <yaxun....@amd.com>
Date: Tue, 27 May 2025 00:38:24 -0400
Subject: [PATCH] [HIP] disable sanitizer for __hip_cuid
Global variable __hip_cuid_* is for identifying purpose
and does not need sanitization, therefore disable it
for sanitizers.
---
clang/lib/CodeGen/CodeGenModule.cpp | 1 +
clang/test/CodeGenCUDA/nosanitize-cuid.hip | 6 ++++++
2 files changed, 7 insertions(+)
create mode 100644 clang/test/CodeGenCUDA/nosanitize-cuid.hip
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp
b/clang/lib/CodeGen/CodeGenModule.cpp
index 16e010adbeb5f..039507bc03510 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -971,6 +971,7 @@ void CodeGenModule::Release() {
getModule(), Int8Ty, false, llvm::GlobalValue::ExternalLinkage,
llvm::Constant::getNullValue(Int8Ty),
"__hip_cuid_" + getContext().getCUIDHash());
+ getSanitizerMetadata()->disableSanitizerForGlobal(GV);
addCompilerUsedGlobal(GV);
}
emitLLVMUsed();
diff --git a/clang/test/CodeGenCUDA/nosanitize-cuid.hip
b/clang/test/CodeGenCUDA/nosanitize-cuid.hip
new file mode 100644
index 0000000000000..4af83c91ac883
--- /dev/null
+++ b/clang/test/CodeGenCUDA/nosanitize-cuid.hip
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fsanitize=address
-fcuda-is-device \
+// RUN: -emit-llvm -cuid=abcd -o - %s | FileCheck %s
+
+#include "Inputs/cuda.h"
+
+// CHECK: @__hip_cuid_{{.*}} = {{.*}} no_sanitize_address
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