1; REQUIRES: x86
2; Basic ThinLTO tests.
3; RUN: opt -module-summary %s -o %t.o
4; RUN: opt -module-summary %p/Inputs/thinlto.ll -o %t2.o
5
6; First force single-threaded mode
7; RUN: rm -f %t.lto.o %t1.lto.o
8; RUN: ld.lld -save-temps --thinlto-jobs=1 -shared %t.o %t2.o -o %t
9; RUN: llvm-nm %t1.lto.o | FileCheck %s --check-prefix=NM1
10; RUN: llvm-nm %t2.lto.o | FileCheck %s --check-prefix=NM2
11
12; Next force multi-threaded mode
13; RUN: rm -f %t2.lto.o %t21.lto.o
14; RUN: ld.lld -save-temps --thinlto-jobs=2 -shared %t.o %t2.o -o %t2
15; RUN: llvm-nm %t21.lto.o | FileCheck %s --check-prefix=NM1
16; RUN: llvm-nm %t22.lto.o | FileCheck %s --check-prefix=NM2
17
18; NM1: T f
19; NM1-NOT: U g
20
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