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-SINGLE
9; RUN: llvm-nm %t1.lto.o | FileCheck %s --check-prefix=NM2-SINGLE
10
11; NM1-SINGLE: T f
12; NM2-SINGLE: T g
13
14; Next force multi-threaded mode
15; RUN: rm -f %t2.lto.o %t21.lto.o
16; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared %t.o %t2.o -o %t2
17; RUN: llvm-nm %t2.lto.o | FileCheck %s --check-prefix=NM1
18; RUN: llvm-nm %t21.lto.o | FileCheck %s --check-prefix=NM2
19
20; NM1: T f
21; NM2: T g
22
23; Then check without --thinlto-jobs (which currently default to hardware_concurrency)
24; We just check that we don't crash or fail (as it's not sure which tests are
25; stable on the final output file itself.
26; RUN: ld.lld -shared %t.o %t2.o -o %t2
27
28target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
29target triple = "x86_64-unknown-linux-gnu"
30
31declare void @g(...)
32
33define void @f() {
34entry:
35  call void (...) @g()
36  ret void
37}
38