| Reid Kleckner | 78927e8 | 2014-09-23 22:33:01 +0000 | [diff] [blame] | 1 | ; RUN: opt -globalopt -S < %s | FileCheck %s |
| 2 | |
| 3 | $comdat_global = comdat any |
| 4 | |
| Rafael Espindola | 83a362c | 2015-01-06 22:55:16 +0000 | [diff] [blame] | 5 | @comdat_global = weak_odr global i8 0, comdat($comdat_global) |
| Reid Kleckner | 78927e8 | 2014-09-23 22:33:01 +0000 | [diff] [blame] | 6 | @simple_global = internal global i8 0 |
| Rafael Espindola | 83a362c | 2015-01-06 22:55:16 +0000 | [diff] [blame] | 7 | ; CHECK: @comdat_global = weak_odr global i8 0, comdat{{$}} |
| Reid Kleckner | 78927e8 | 2014-09-23 22:33:01 +0000 | [diff] [blame] | 8 | ; CHECK: @simple_global = internal global i8 42 |
| 9 | |
| 10 | @llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [ |
| 11 | { i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global }, |
| 12 | { i32, void ()*, i8* } { i32 65535, void ()* @init_simple_global, i8* null } |
| 13 | ] |
| 14 | ; CHECK: @llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] |
| 15 | ; CHECK: [{ i32, void ()*, i8* } { i32 65535, void ()* @init_comdat_global, i8* @comdat_global }] |
| 16 | |
| 17 | define void @init_comdat_global() { |
| 18 | store i8 42, i8* @comdat_global |
| 19 | ret void |
| 20 | } |
| 21 | ; CHECK: define void @init_comdat_global() |
| 22 | |
| Rafael Espindola | 83a362c | 2015-01-06 22:55:16 +0000 | [diff] [blame] | 23 | define internal void @init_simple_global() comdat($comdat_global) { |
| Reid Kleckner | 78927e8 | 2014-09-23 22:33:01 +0000 | [diff] [blame] | 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() |