diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -517,7 +517,8 @@
 /// Predicate for Internalize pass.
 static bool mustPreserveGV(const GlobalValue &GV) {
   if (const Function *F = dyn_cast<Function>(&GV))
-    return F->isDeclaration() || AMDGPU::isEntryFunctionCC(F->getCallingConv());
+    return F->isDeclaration() || F->getName().startswith("__asan_") ||
+           AMDGPU::isEntryFunctionCC(F->getCallingConv());
 
   GV.removeDeadConstantUsers();
   return !GV.use_empty();
diff --git a/llvm/test/CodeGen/AMDGPU/internalize.ll b/llvm/test/CodeGen/AMDGPU/internalize.ll
--- a/llvm/test/CodeGen/AMDGPU/internalize.ll
+++ b/llvm/test/CodeGen/AMDGPU/internalize.ll
@@ -1,7 +1,7 @@
 ; RUN: opt -O0 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
 ; RUN: opt -passes='default<O0>' -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPTNONE %s
-; RUN: opt -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
-; RUN: opt -passes='default<O1>' -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT %s
+; RUN: opt -O1 -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT -check-prefix=ASAN_NO_INTERNALIZE %s
+; RUN: opt -passes='default<O1>' -S -mtriple=amdgcn-unknown-amdhsa -amdgpu-internalize-symbols < %s | FileCheck -check-prefix=ALL -check-prefix=OPT -check-prefix=ASAN_NO_INTERNALIZE %s
 
 ; OPT-NOT: gvar_unused
 ; OPTNONE: gvar_unused
@@ -10,6 +10,20 @@
 ; ALL: gvar_used
 @gvar_used = addrspace(1) global i32 undef, align 4
 
+; OPTNONE: define void @__asan_no_explicit_linkage(
+; ASAN_NO_INTERNALIZE: define void @__asan_no_explicit_linkage(
+define void @__asan_no_explicit_linkage() {
+entry:
+  ret void
+}
+
+; OPTNONE: define weak void @__asan_weak_linkage(
+; ASAN_NO_INTERNALIZE: define weak void @__asan_weak_linkage(
+define weak void @__asan_weak_linkage() {
+entry:
+  ret void
+}
+
 ; OPT: define internal fastcc void @func_used_noinline(
 ; OPT-NONE: define fastcc void @func_used_noinline(
 define fastcc void @func_used_noinline(i32 addrspace(1)* %out, i32 %tid) #1 {