1 ; RUN: opt -globalopt -S < %s | FileCheck %s 2 3 $comdat_global = comdat any 4 5 @comdat_global = weak_odr global i8 0, comdat($comdat_global) 6 @simple_global = internal global i8 0 7 ; CHECK: @comdat_global = weak_odr global i8 0, comdat{{$}} 8 ; CHECK: @simple_global = internal global i8 42 9 10 @llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [ 11 { i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global }, 12 { i32, void ()*, i8* } { i32 65535, void ()* @init_simple_global, i8* null } 13 ] 14 ; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] 15 ; CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global }] 16 17 define void @init_comdat_global() { 18 store i8 42, i8* @comdat_global 19 ret void 20 } 21 ; CHECK: define void @init_comdat_global() 22 23 define internal void @init_simple_global() comdat($comdat_global) { 24 store i8 42, i8* @simple_global 25 ret void 26 } 27 ; CHECK-NOT: @init_simple_global() 28 29 define i8* @use_simple() { 30 ret i8* @simple_global 31 } 32 ; CHECK: define i8* @use_simple() 33 34 define i8* @use_comdat() { 35 ret i8* @comdat_global 36 } 37 ; CHECK: define i8* @use_comdat() 38