3 ;; Keep __profd_foo in a nodeduplicate comdat, despite a comdat of the same name
4 ;; in a previous object file.
8 ; RUN: rm -rf %t && split-file %s %t
9 ; RUN: llvm-as %t/a.ll -o %t/a.bc
10 ; RUN: llvm-as %t/b.ll -o %t/b.bc
11 ; RUN: llvm-as %t/c.ll -o %t/c.bc
13 ; RUN: ld.lld --save-temps -u foo %t/a.bc --start-lib %t/b.bc --end-lib -o %t/ab
14 ; RUN: FileCheck %s --check-prefix=RESOL_AB < %t/ab.resolution.txt
15 ; RUN: llvm-readelf -x .data %t/ab | FileCheck %s --check-prefix=DATA
17 ; RESOL_AB: -r={{.*}}b.bc,__profc_foo,pl{{$}}
19 ;; .data contains a.bc:data. b.bc:data and c.bc:data are discarded.
20 ; DATA: 0x[[#%x,]] 01000000 00000000 ........
22 ;; __profc_foo from c.bc is non-prevailing and thus discarded.
23 ; RUN: ld.lld --save-temps -u foo -u c %t/a.bc --start-lib %t/b.bc %t/c.bc --end-lib -o %t/abc
24 ; RUN: FileCheck %s --check-prefix=RESOL_ABC < %t/abc.resolution.txt
25 ; RUN: llvm-readelf -x .data %t/abc | FileCheck %s --check-prefix=DATA
27 ; RESOL_ABC: -r={{.*}}b.bc,__profc_foo,pl{{$}}
28 ; RESOL_ABC: -r={{.*}}c.bc,__profc_foo,{{$}}
32 ; RUN: rm -rf %t && split-file %s %t
33 ; RUN: opt --module-summary %t/a.ll -o %t/a.bc
34 ; RUN: opt --module-summary %t/b.ll -o %t/b.bc
35 ; RUN: opt --module-summary %t/c.ll -o %t/c.bc
37 ; RUN: ld.lld --thinlto-index-only --save-temps -u foo %t/a.bc %t/b.bc -o %t/ab
38 ; RUN: FileCheck %s --check-prefix=RESOL_AB < %t/ab.resolution.txt
39 ; RUN: (llvm-dis < %t/b.bc && llvm-dis < %t/b.bc.thinlto.bc) | FileCheck %s --check-prefix=IR_AB
40 ; RUN: ld.lld -u foo %t/a.bc %t/b.bc -o %t/ab
41 ; RUN: llvm-readelf -x .data %t/ab | FileCheck %s --check-prefix=DATA
43 ; RUN: ld.lld --thinlto-index-only --save-temps -u foo %t/a.bc --start-lib %t/b.bc --end-lib -o %t/ab
44 ; RUN: FileCheck %s --check-prefix=RESOL_AB < %t/ab.resolution.txt
45 ; RUN: (llvm-dis < %t/b.bc && llvm-dis < %t/b.bc.thinlto.bc) | FileCheck %s --check-prefix=IR_AB
46 ; RUN: ld.lld -u foo %t/a.bc --start-lib %t/b.bc --end-lib -o %t/ab
47 ; RUN: llvm-readelf -x .data %t/ab | FileCheck %s --check-prefix=DATA
49 ; RUN: ld.lld --thinlto-index-only --save-temps -u foo -u c %t/a.bc --start-lib %t/b.bc %t/c.bc --end-lib -o %t/abc
50 ; RUN: FileCheck %s --check-prefix=RESOL_ABC < %t/abc.resolution.txt
51 ; RUN: (llvm-dis < %t/b.bc && llvm-dis < %t/b.bc.thinlto.bc) | FileCheck %s --check-prefix=IR_ABC
52 ; RUN: ld.lld -u foo %t/a.bc --start-lib %t/b.bc %t/c.bc --end-lib -o %t/abc
53 ; RUN: llvm-readelf -x .data %t/abc | FileCheck %s --check-prefix=DATA
55 ; IR_AB-DAG: gv: (name: "__profd_foo", {{.*}} guid = [[PROFD:[0-9]+]]
56 ; IR_AB-DAG: gv: (name: "__profc_foo", {{.*}} guid = [[PROFC:[0-9]+]]
58 ;; Check extra attributes. b.bc:__profc_foo is prevailing, so it can be internalized.
59 ; IR_AB-DAG: gv: (guid: [[PROFD]], summaries: (variable: (module: ^0, flags: (linkage: private, visibility: default, notEligibleToImport: 0, live: 0, dsoLocal: 1, canAutoHide: 0, importType: definition), varFlags: (readonly: 0, writeonly: 0, constant: 0),
60 ; IR_AB-DAG: gv: (guid: [[PROFC]], summaries: (variable: (module: ^0, flags: (linkage: internal, visibility: hidden, notEligibleToImport: 0, live: 1, dsoLocal: 1, canAutoHide: 0, importType: definition), varFlags: (readonly: 0, writeonly: 0, constant: 0))))
62 ; IR_ABC-DAG: gv: (name: "__profd_foo", {{.*}} guid = [[PROFD:[0-9]+]]
63 ; IR_ABC-DAG: gv: (name: "__profc_foo", {{.*}} guid = [[PROFC:[0-9]+]]
65 ;; b.bc:__profc_foo prevails c.bc:__profc_foo, so it is exported and therefore not internalized.
66 ; IR_ABC-DAG: gv: (guid: [[PROFD]], summaries: (variable: (module: ^0, flags: (linkage: private, visibility: default, notEligibleToImport: 0, live: 0, dsoLocal: 1, canAutoHide: 0, importType: definition), varFlags: (readonly: 0, writeonly: 0, constant: 0),
67 ; IR_ABC-DAG: gv: (guid: [[PROFC]], summaries: (variable: (module: ^0, flags: (linkage: weak, visibility: hidden, notEligibleToImport: 0, live: 1, dsoLocal: 1, canAutoHide: 0, importType: definition), varFlags: (readonly: 0, writeonly: 0, constant: 0))))
70 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
71 target triple = "x86_64-unknown-linux-gnu"
73 $__profc_foo = comdat nodeduplicate
74 @__profc_foo = private global i64 1, comdat, align 8
75 @__profd_foo = private global ptr @__profc_foo, comdat($__profc_foo), align 8
80 %v = load i64, ptr @__profc_foo
82 store i64 %inc, ptr @__profc_foo
86 define void @_start() {
92 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
93 target triple = "x86_64-unknown-linux-gnu"
95 $__profc_foo = comdat nodeduplicate
96 @__profc_foo = weak hidden global i64 2, comdat, align 8
97 @__profd_foo = private global ptr @__profc_foo, comdat($__profc_foo)
99 define weak i64 @foo() {
100 %v = load i64, ptr @__profc_foo
102 store i64 %inc, ptr @__profc_foo
111 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
112 target triple = "x86_64-unknown-linux-gnu"
114 $__profc_foo = comdat nodeduplicate
115 @__profc_foo = weak hidden global i64 3, comdat, align 8
116 @__profd_foo = private global ptr @__profc_foo, comdat($__profc_foo)
118 define weak i64 @foo() {
119 %v = load i64, ptr @__profc_foo
121 store i64 %inc, ptr @__profc_foo