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: ld.lld -save-temps --thinlto-jobs=1 -shared %t.o %t2.o -o %t
7; RUN: llvm-nm %t0.lto.o | FileCheck %s --check-prefix=NM1-SINGLE
8; RUN: llvm-nm %t1.lto.o | FileCheck %s --check-prefix=NM2-SINGLE
9
10; NM1-SINGLE: T f
11; NM2-SINGLE: T g
12
13; Next force multi-threaded mode
14; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared %t.o %t2.o -o %t2
15; RUN: llvm-nm %t20.lto.o | FileCheck %s --check-prefix=NM1
16; RUN: llvm-nm %t21.lto.o | FileCheck %s --check-prefix=NM2
17
18; NM1: T f
19; NM2: T g
20
21; Then check without --thinlto-jobs (which currently default to hardware_concurrency)
22; We just check that we don't crash or fail (as it's not sure which tests are
23; stable on the final output file itself.
24; RUN: ld.lld -shared %t.o %t2.o -o %t2
25
26target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
27target triple = "x86_64-unknown-linux-gnu"
28
29declare void @g(...)
30
31define void @f() {
32entry:
33  call void (...) @g()
34  ret void
35}
36