xref: /llvm-project/llvm/test/ThinLTO/X86/nonprevailing_weak_globals_import.ll (revision 377e1311d50c7e5b5aab3db081938e0d0ceebdfc) 
1; RUN: split-file %s %t.dir
2
3; RUN: opt -module-summary %t.dir/1.ll -o %t1.bc
4; RUN: opt -module-summary %t.dir/2.ll -o %t2.bc
5
6; RUN: llvm-lto2 run -save-temps %t1.bc %t2.bc -o %t.out \
7; RUN:               -r=%t1.bc,main,plx \
8; RUN:               -r=%t1.bc,G \
9; RUN:               -r=%t2.bc,G,pl
10; RUN: llvm-dis %t.out.1.3.import.bc -o -  | FileCheck %s
11; RUN: llvm-dis %t.out.2.3.import.bc -o -  | FileCheck %s
12
13; Test that a non-prevailing def with interposable linkage doesn't prevent
14; importing a suitable definition from a prevailing module.
15
16; CHECK: @G = internal local_unnamed_addr global i32 42
17
18;--- 1.ll
19target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
20target triple = "x86_64-unknown-linux-gnu"
21
22@G = weak dso_local local_unnamed_addr global i32 0, align 4
23
24define dso_local i32 @main() local_unnamed_addr {
25  %1 = load i32, ptr @G, align 4
26  ret i32 %1
27}
28
29;--- 2.ll
30target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
31target triple = "x86_64-unknown-linux-gnu"
32
33@G = dso_local local_unnamed_addr global i32 42, align 4
34