"__amdgpu_device_library_preserve_asan_functions_ptr", nullptr,
llvm::GlobalVariable::NotThreadLocal);
addCompilerUsedGlobal(Var);
- getModule().addModuleFlag(llvm::Module::Override, "amdgpu_hostcall", 1);
+ if (!getModule().getModuleFlag("amdgpu_hostcall")) {
+ getModule().addModuleFlag(llvm::Module::Override, "amdgpu_hostcall", 1);
+ }
}
emitLLVMUsed();
--- /dev/null
+// RUN: %clang_cc1 %s -emit-llvm -o - -triple=amdgcn-amd-amdhsa \
+// RUN: -fcuda-is-device -target-cpu gfx906 -fsanitize=address \
+// RUN: -O3 -x hip | FileCheck -check-prefixes=MFCHECK %s
+
+// MFCHECK: !llvm.module.flags = !{![[FLAG1:[0-9]+]], ![[FLAG2:[0-9]+]]}
+// MFCHECK: ![[FLAG1]] = !{i32 4, !"amdgpu_hostcall", i32 1}
+
+// Test to check hostcall module flag metadata is generated correctly
+// when a program has printf call and compiled with -fsanitize=address.
+#include "Inputs/cuda.h"
+__device__ void non_kernel() {
+ printf("sanitized device function");
+}
+
+__global__ void kernel() {
+ non_kernel();
+}
+