| ; RUN: rm -rf %t && split-file %s %t |
| ; RUN: llvm-link %t/1.ll -S -o - | FileCheck %s --check-prefix=CHECK1 |
| ;; The source doesn't have comdat. |
| ; RUN: llvm-link %t/2.ll -S -o - | FileCheck %s --check-prefix=CHECK2 |
| |
| ;; The leader is an alias. |
| ; RUN: llvm-link %t/3.ll %t/3-aux.ll -S -o - | FileCheck %s |
| ; RUN: llvm-link %t/3-aux.ll %t/3.ll -S -o - | FileCheck %s |
| |
| ;--- 1.ll |
| $c = comdat any |
| @a = alias void (), ptr @f |
| define internal void @f() comdat($c) { |
| ret void |
| } |
| |
| ; CHECK1-DAG: $c = comdat any |
| ; CHECK1-DAG: @a = alias void (), ptr @f |
| ; CHECK1-DAG: define internal void @f() comdat($c) |
| |
| $f2 = comdat largest |
| define linkonce_odr void @f2() comdat($f2) { |
| ret void |
| } |
| define void @f3() comdat($f2) { |
| ret void |
| } |
| |
| ; CHECK1-DAG: $f2 = comdat largest |
| ; CHECK1-DAG: define linkonce_odr void @f2() |
| |
| ;--- 2.ll |
| $c = comdat largest |
| |
| ; CHECK2: @c = global i32 0, comdat |
| @c = global i32 0, comdat |
| |
| ;--- 3.ll |
| target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" |
| |
| $foo = comdat largest |
| @foo = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @bar], comdat($foo) |
| |
| ; CHECK: @foo = alias ptr, getelementptr inbounds ([2 x ptr], ptr @some_name, i32 0, i32 1) |
| |
| declare void @bar() unnamed_addr |
| |
| ;--- 3-aux.ll |
| target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" |
| |
| $foo = comdat largest |
| |
| @zed = external constant i8 |
| @some_name = private unnamed_addr constant [2 x ptr] [ptr @zed, ptr @bar], comdat($foo) |
| @foo = alias ptr, getelementptr([2 x ptr], ptr @some_name, i32 0, i32 1) |
| |
| declare void @bar() unnamed_addr |