xref: /llvm-project/lld/test/wasm/lto/obj-path.ll (revision 9a450a0096befc91bc947db6410d4c640c3d97cd)
1;; Copied from testr/ELF/lto/obj-path.ll
2;; Test --lto-obj-path= for regular LTO.
3
4; RUN: rm -rf %t && split-file %s %t && cd %t
5; RUN: mkdir d
6; RUN: opt 1.ll -o 1.bc
7; RUN: opt 2.ll -o d/2.bc
8
9; RUN: rm -f objpath.o
10; RUN: wasm-ld --lto-obj-path=objpath.o -shared 1.bc d/2.bc -o 3
11; RUN: llvm-nm 3 | FileCheck %s --check-prefix=NM
12; RUN: llvm-objdump -d objpath.o | FileCheck %s
13; RUN: ls 3* objpath* | count 2
14
15; RUN: rm -f 3 objpath.o
16; RUN: wasm-ld --thinlto-index-only=3.txt --lto-obj-path=objpath.o -shared 1.bc d/2.bc -o 3
17; RUN: llvm-objdump -d objpath.o | FileCheck %s
18; RUN: not ls 3
19
20; NM: T f
21; NM: T g
22
23; CHECK: file format wasm
24; CHECK: <f>:
25; CHECK: <g>:
26
27;; Test --lto-obj-path= for ThinLTO.
28; RUN: opt -module-summary 1.ll -o 1.bc
29; RUN: opt -module-summary 2.ll -o d/2.bc
30
31; RUN: wasm-ld --lto-obj-path=objpath.o -shared 1.bc d/2.bc -o 3
32; RUN: llvm-nm 3 | FileCheck %s --check-prefix=NM3
33; RUN: llvm-objdump -d objpath.o1 | FileCheck %s --check-prefix=CHECK1
34; RUN: llvm-objdump -d objpath.o2 | FileCheck %s --check-prefix=CHECK2
35
36; NM3:      T f
37; NM3-NEXT: T g
38
39; CHECK1:       file format wasm
40; CHECK1-EMPTY:
41; CHECK1-NEXT:  Disassembly of section CODE:
42; CHECK1:  <f>:
43; CHECK1-EMPTY:
44; CHECK1-NEXT:    end
45; CHECK1-NOT:   {{.}}
46
47; CHECK2:       file format wasm
48; CHECK2-EMPTY:
49; CHECK2-NEXT:  Disassembly of section CODE:
50; CHECK2:  <g>:
51; CHECK2-EMPTY:
52; CHECK2-NEXT:    end
53; CHECK2-NOT:   {{.}}
54
55;; With --thinlto-index-only, --lto-obj-path= creates just one file.
56; RUN: rm -f objpath.o objpath.o1 objpath.o2
57; RUN: wasm-ld --thinlto-index-only --lto-obj-path=objpath.o -shared 1.bc d/2.bc -o /dev/null
58; RUN: llvm-objdump -d objpath.o | FileCheck %s --check-prefix=EMPTY
59; RUN: not ls objpath.o1
60; RUN: not ls objpath.o2
61
62;; Ensure lld emits empty combined module if specific obj-path.
63; RUN: mkdir obj
64; RUN: wasm-ld --lto-obj-path=objpath.o -shared 1.bc d/2.bc -o obj/out --save-temps
65; RUN: ls obj/out.lto.o out.lto.1.o d/out.lto.2.o
66
67;; Ensure lld does not emit empty combined module by default.
68; RUN: rm -fr obj && mkdir obj
69; RUN: wasm-ld -shared 1.bc d/2.bc -o obj/out --save-temps
70; RUN: not test -e obj/out.lto.o
71
72; EMPTY:     file format wasm
73; EMPTY-NOT: {{.}}
74
75;--- 1.ll
76target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20"
77target triple = "wasm32-unknown-unknown"
78
79declare void @g(...)
80
81define void @f() {
82entry:
83  call void (...) @g()
84  ret void
85}
86
87;--- 2.ll
88target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20"
89target triple = "wasm32-unknown-unknown"
90
91define void @g() {
92entry:
93  ret void
94}
95