2 ; RUN: rm -rf %t; split-file %s %t
4 ;; First ensure that the ThinLTO handling in lld handles
5 ;; bitcode without summary sections gracefully and generates index file.
6 ; RUN: llvm-as %t/f.ll -o %t/1.o
7 ; RUN: llvm-as %t/g.ll -o %t/2.o
8 ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o -o %t/3
9 ; RUN: ls %t/2.o.thinlto.bc
10 ; RUN: not test -e %t/3
11 ; RUN: %lld -dylib %t/1.o %t/2.o -o %t/3
12 ; RUN: llvm-nm %t/3 | FileCheck %s --check-prefix=NM
14 ;; Basic ThinLTO tests.
15 ; RUN: opt -module-summary %t/f.ll -o %t/1.o
16 ; RUN: opt -module-summary %t/g.ll -o %t/2.o
17 ; RUN: opt -module-summary %t/empty.ll -o %t/3.o
19 ;; Ensure lld doesn't generates index files when thinlto-index-only is not enabled.
20 ; RUN: rm -f %t/1.o.thinlto.bc %t/2.o.thinlto.bc %t/3.o.thinlto.bc
21 ; RUN: %lld -dylib %t/1.o %t/2.o %t/3.o -o %t/5
22 ; RUN: not ls %t/1.o.thinlto.bc
23 ; RUN: not ls %t/2.o.thinlto.bc
24 ; RUN: not ls %t/3.o.thinlto.bc
26 ;; Ensure lld generates an index and not a binary if requested.
27 ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o -o %t/4
28 ; RUN: llvm-bcanalyzer -dump %t/1.o.thinlto.bc | FileCheck %s -DP1=%t/1.o -DP2=%t/2.o --check-prefix=BACKEND1
29 ; RUN: llvm-bcanalyzer -dump %t/2.o.thinlto.bc | FileCheck %s -DP2=%t/2.o --check-prefix=BACKEND2
30 ; RUN: not test -e %t/4
32 ;; Ensure lld generates an index even if the file is wrapped in --start-lib/--end-lib.
33 ; RUN: rm -f %t/2.o.thinlto.bc %t/4
34 ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/3.o --start-lib %t/2.o --end-lib -o %t/4
35 ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:'
36 ; RUN: not test -e %t/4
38 ;; Test that LLD generates an empty index even for lazy object file that is not added to link.
39 ;; Test LLD generates empty imports file either because of thinlto-emit-imports-files option.
40 ; RUN: rm -f %t/1.o.thinlto.bc %t/1.o.imports
41 ; RUN: %lld --thinlto-index-only -dylib %t/2.o --start-lib %t/1.o --end-lib \
42 ; RUN: --thinlto-emit-imports-files -o %t/3
43 ; RUN: ls %t/1.o.thinlto.bc
44 ; RUN: ls %t/1.o.imports
46 ;; Ensure LLD generates an empty index for each bitcode file even if all bitcode files are lazy.
47 ; RUN: rm -f %t/dummy.o %t/1.o.thinlto.bc
48 ; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin /dev/null -o %t/dummy.o
49 ; RUN: %lld --thinlto-index-only -dylib %t/dummy.o --start-lib %t/1.o --end-lib -o /dev/null
50 ; RUN: ls %t/1.o.thinlto.bc
52 ;; Ensure when the same bitcode object is given as both lazy and non-lazy,
53 ;; LLD does not generate an empty index for the lazy object.
54 ; RUN: rm -f %t/2.o.thinlto.bc
55 ; RUN: %lld --thinlto-index-only -dylib %t/1.o %t/2.o --start-lib %t/2.o --end-lib -o /dev/null
56 ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:'
57 ; RUN: rm -f %t/2.o.thinlto.bc
58 ; RUN: %lld --thinlto-index-only -dylib --start-lib %t/2.o --end-lib %t/2.o %t/1.o -o /dev/null
59 ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:'
61 ;; Ensure when the same lazy bitcode object is given multiple times,
62 ;; no empty index file is generated if one of the copies is linked.
63 ; RUN: rm -f %t/2.o.thinlto.bc
64 ; RUN: %lld --thinlto-index-only -dylib %t/1.o --start-lib %t/2.o --end-lib --start-lib %t/2.o --end-lib -o /dev/null
65 ; RUN: llvm-dis < %t/2.o.thinlto.bc | grep -q '\^0 = module:'
69 ;; The backend index for this module contains summaries from itself and
70 ;; g.ll, as it imports from the latter.
71 ; BACKEND1: <MODULE_STRTAB_BLOCK
72 ; BACKEND1-NEXT: <ENTRY {{.*}} record string = '[[P1]]'
73 ; BACKEND1-NEXT: <ENTRY {{.*}} record string = '[[P2]]'
74 ; BACKEND1-NEXT: </MODULE_STRTAB_BLOCK
75 ; BACKEND1: <GLOBALVAL_SUMMARY_BLOCK
78 ; BACKEND1: <VALUE_GUID {{.*}} op0={{1|2}} {{op1=3060885059 op2=1207956914|op1=3432075125 op2=3712786831}}
79 ; BACKEND1: <VALUE_GUID {{.*}} op0={{1|2}} {{op1=3060885059 op2=1207956914|op1=3432075125 op2=3712786831}}
82 ; BACKEND1: </GLOBALVAL_SUMMARY_BLOCK
84 ;; The backend index for g.ll contains summaries from itself only,
85 ;; as it does not import anything.
86 ; BACKEND2: <MODULE_STRTAB_BLOCK
87 ; BACKEND2-NEXT: <ENTRY {{.*}} record string = '[[P2]]'
88 ; BACKEND2-NEXT: </MODULE_STRTAB_BLOCK
89 ; BACKEND2-NEXT: <GLOBALVAL_SUMMARY_BLOCK
90 ; BACKEND2-NEXT: <VERSION
91 ; BACKEND2-NEXT: <FLAGS
92 ; BACKEND2-NEXT: <VALUE_GUID {{.*}} op0=1 op1=3060885059 op2=1207956914
93 ; BACKEND2-NEXT: <COMBINED
94 ; BACKEND2-NEXT: </GLOBALVAL_SUMMARY_BLOCK
97 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
98 target triple = "x86_64-apple-darwin"
109 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
110 target triple = "x86_64-apple-darwin"
118 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
119 target triple = "x86_64-apple-darwin"