1; Basic ThinLTO tests.
2; RUN: opt -module-summary %s -o %t.o
3; RUN: opt -module-summary %p/Inputs/thinlto.ll -o %t2.o
4
5; First force single-threaded mode
6; RUN: rm -f %t.lto.o %t1.lto.o
7; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared %t.o %t2.o -o %t
8; RUN: llvm-nm %t.lto.o | FileCheck %s --check-prefix=NM1
9; RUN: llvm-nm %t1.lto.o | FileCheck %s --check-prefix=NM2
10
11; Next force multi-threaded mode
12; RUN: rm -f %t2.lto.o %t21.lto.o
13; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared %t.o %t2.o -o %t2
14; RUN: llvm-nm %t2.lto.o | FileCheck %s --check-prefix=NM1
15; RUN: llvm-nm %t21.lto.o | FileCheck %s --check-prefix=NM2
16
17; NM1: T f
18; NM1-NOT: U g
19
20; NM2: T g
21
22; Then check without --thinlto-jobs (which currently default to hardware_concurrency)
23; We just check that we don't crash or fail (as it's not sure which tests are
24; stable on the final output file itself.
25; RUN: ld.lld -shared %t.o %t2.o -o %t2
26
27target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
28target triple = "x86_64-unknown-linux-gnu"
29
30declare void @g(...)
31
32define void @f() {
33entry:
34  call void (...) @g()
35  ret void
36}
37