1; A module with no asan-instrumented globals has no asan destructor, and has an asan constructor in a comdat.
2; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -asan -asan-module -enable-new-pm=0 -asan-with-comdat=1 -asan-globals-live-support=1 -S | FileCheck %s
3; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -passes='asan-pipeline' -asan-with-comdat=1 -asan-globals-live-support=1 -S | FileCheck %s
4
5define void @f() {
6  ret void
7}
8
9; CHECK-NOT: @llvm.global_dtors
10; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 1, void ()* @asan.module_ctor, i8* bitcast (void ()* @asan.module_ctor to i8*) }]
11; CHECK-NOT: @llvm.global_dtors
12; CHECK: define internal void @asan.module_ctor() comdat
13; CHECK-NOT: @llvm.global_dtors
14