| ; Test to ensure that non-prevailing weak aliasee is kept as a weak definition |
| ; when the alias is not dead. |
| ; RUN: opt -module-summary %s -o %t1.bc |
| ; RUN: llvm-lto2 run %t1.bc \ |
| ; RUN: -r=%t1.bc,__a,lx \ |
| ; RUN: -r=%t1.bc,__b,l \ |
| ; RUN: -r=%t1.bc,a,plx \ |
| ; RUN: -r=%t1.bc,b,pl \ |
| ; RUN: -o %t2.o -save-temps |
| |
| ; Check that __a is kept as a weak def. __b can be dropped since its alias is |
| ; not live and will also be dropped. |
| ; RUN: llvm-dis %t2.o.1.1.promote.bc -o - | FileCheck %s |
| ; CHECK: define weak hidden void @__a |
| ; CHECK: declare hidden void @__b |
| ; CHECK: declare void @b |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @a = hidden alias void (), ptr @__a |
| |
| define weak hidden void @__a() { |
| entry: |
| ret void |
| } |
| |
| @b = hidden alias void (), ptr @__b |
| |
| define weak hidden void @__b() { |
| entry: |
| ret void |
| } |
