You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
2.2 KiB
61 lines
2.2 KiB
; Without -only-needed we should lazy link linkonce globals, and the
|
|
; metadata reference should not cause them to be linked.
|
|
; RUN: llvm-link -S %S/Inputs/only-needed-named-metadata.ll %S/only-needed-named-metadata.ll | FileCheck %s
|
|
; CHECK-NOT:@U_linkonce
|
|
; CHECK-NOT:@unused_linkonce()
|
|
|
|
; With -only-needed the metadata references should not cause any of the
|
|
; otherwise unreferenced globals to be linked. This also ensures that the
|
|
; metadata references don't provoke the module linker to create declarations,
|
|
; which are illegal for aliases and globals in comdats.
|
|
; Note that doing -only-needed with the comdat shown below leads to a only
|
|
; part of the comdat group being linked, which is not technically correct.
|
|
; RUN: llvm-link -S -only-needed %S/Inputs/only-needed-named-metadata.ll %S/only-needed-named-metadata.ll | FileCheck %s -check-prefix=ONLYNEEDED
|
|
; RUN: llvm-link -S -internalize -only-needed %S/Inputs/only-needed-named-metadata.ll %S/only-needed-named-metadata.ll | FileCheck %s -check-prefix=ONLYNEEDED
|
|
; ONLYNEEDED-NOT:@U
|
|
; ONLYNEEDED-NOT:@U_linkonce
|
|
; ONLYNEEDED-NOT:@unused()
|
|
; ONLYNEEDED-NOT:@unused_linkonce()
|
|
; ONLYNEEDED-NOT:@linkoncealias
|
|
; ONLYNEEDED-NOT:@linkoncefunc2()
|
|
; ONLYNEEDED-NOT:@weakalias
|
|
; ONLYNEEDED-NOT:@globalfunc1()
|
|
; ONLYNEEDED-NOT:@analias
|
|
; ONLYNEEDED-NOT:@globalfunc2()
|
|
|
|
@X = global i32 5
|
|
@U = global i32 6
|
|
@U_linkonce = linkonce_odr hidden global i32 6
|
|
define i32 @foo() { ret i32 7 }
|
|
define i32 @unused() { ret i32 8 }
|
|
define linkonce_odr hidden i32 @unused_linkonce() { ret i32 8 }
|
|
@linkoncealias = alias void (...), bitcast (void ()* @linkoncefunc2 to void (...)*)
|
|
|
|
@weakalias = weak alias void (...), bitcast (void ()* @globalfunc1 to void (...)*)
|
|
@analias = alias void (...), bitcast (void ()* @globalfunc2 to void (...)*)
|
|
|
|
define void @globalfunc1() #0 {
|
|
entry:
|
|
ret void
|
|
}
|
|
|
|
define void @globalfunc2() #0 {
|
|
entry:
|
|
ret void
|
|
}
|
|
|
|
$linkoncefunc2 = comdat any
|
|
define linkonce_odr void @linkoncefunc2() #0 comdat {
|
|
entry:
|
|
ret void
|
|
}
|
|
|
|
!llvm.named = !{!0, !1, !2, !3, !4, !5, !6}
|
|
!0 = !{i32 ()* @unused}
|
|
!1 = !{i32* @U}
|
|
!2 = !{i32 ()* @unused_linkonce}
|
|
!3 = !{i32* @U_linkonce}
|
|
!4 = !{void (...)* @weakalias}
|
|
!5 = !{void (...)* @analias}
|
|
!6 = !{void (...)* @linkoncealias}
|