89 lines
2.7 KiB
LLVM
89 lines
2.7 KiB
LLVM
;; Test mixed D0/D2 and D5 COMDATs. Reduced from:
|
|
;;
|
|
;; // a.cc
|
|
;; template <typename T>
|
|
;; struct A final { virtual ~A() {} };
|
|
;; extern "C" void aa() { A<int> a; }
|
|
;; // b.cc
|
|
;; template <typename T>
|
|
;; struct A final { virtual ~A() {} };
|
|
;; template struct A<int>;
|
|
;; extern "C" void bb(Aptr a) { delete a; }
|
|
;;
|
|
;; clang -c -fpic -O0 -flto=thin a.cc && ld.lld -shared a.o b.o
|
|
;;
|
|
;; The file matches lld/test/ELF/lto/ctor-dtor-alias2.ll
|
|
|
|
; RUN: rm -rf %t && split-file %s %t && cd %t
|
|
|
|
;; a.bc defines D0 in comdat D0 and D2 in comdat D2. b.bc defines D0/D1/D2 in comdat D5.
|
|
; RUN: opt -module-summary a.ll -o a.bc
|
|
; RUN: opt -module-summary b.ll -o b.bc
|
|
; RUN: llvm-lto2 run a.bc b.bc -r=a.bc,aa,px -r=a.bc,_ZN1AIiED0Ev,px -r=a.bc,_ZN1AIiED2Ev,px -r=a.bc,_ZdlPv, \
|
|
; RUN: -r=b.bc,bb,px -r=b.bc,_ZN1AIiED0Ev, -r=b.bc,_ZN1AIiED1Ev,px -r=b.bc,_ZN1AIiED2Ev, -r=b.bc,_ZdlPv, -o out --save-temps
|
|
; RUN: llvm-dis < out.2.1.promote.bc | FileCheck %s
|
|
|
|
;; Although D0/D2 in b.bc is non-prevailing, keep D1/D2 as definitions, otherwise
|
|
;; the output may have an undefined and unsatisfied D1.
|
|
; CHECK: @_ZN1AIiED1Ev = weak_odr unnamed_addr alias void (ptr), ptr @_ZN1AIiED2Ev
|
|
; CHECK: define weak_odr void @_ZN1AIiED2Ev(ptr noundef nonnull %this) unnamed_addr comdat($_ZN1AIiED5Ev) {
|
|
; CHECK: define available_externally void @_ZN1AIiED0Ev(ptr noundef nonnull %this) unnamed_addr {
|
|
|
|
;--- a.ll
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
$_ZN1AIiED2Ev = comdat any
|
|
|
|
$_ZN1AIiED0Ev = comdat any
|
|
|
|
define void @aa() {
|
|
entry:
|
|
%a = alloca ptr, align 8
|
|
call void @_ZN1AIiED2Ev(ptr noundef nonnull %a)
|
|
ret void
|
|
}
|
|
|
|
define linkonce_odr void @_ZN1AIiED2Ev(ptr noundef nonnull %this) unnamed_addr comdat {
|
|
ret void
|
|
}
|
|
|
|
define linkonce_odr void @_ZN1AIiED0Ev(ptr noundef nonnull %this) unnamed_addr comdat {
|
|
entry:
|
|
call void @_ZN1AIiED2Ev(ptr noundef nonnull %this)
|
|
call void @_ZdlPv(ptr noundef %this)
|
|
ret void
|
|
}
|
|
|
|
declare void @_ZdlPv(ptr noundef)
|
|
|
|
;--- b.ll
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
$_ZN1AIiED5Ev = comdat any
|
|
|
|
$_ZTV1AIiE = comdat any
|
|
|
|
@_ZN1AIiED1Ev = weak_odr unnamed_addr alias void (ptr), ptr @_ZN1AIiED2Ev
|
|
|
|
define weak_odr void @_ZN1AIiED2Ev(ptr noundef nonnull %this) unnamed_addr comdat($_ZN1AIiED5Ev) {
|
|
ret void
|
|
}
|
|
|
|
define weak_odr void @_ZN1AIiED0Ev(ptr noundef nonnull %this) unnamed_addr comdat($_ZN1AIiED5Ev) {
|
|
entry:
|
|
call void @_ZN1AIiED1Ev(ptr noundef nonnull %this)
|
|
call void @_ZdlPv(ptr noundef %this)
|
|
ret void
|
|
}
|
|
|
|
declare void @_ZdlPv(ptr noundef)
|
|
|
|
define void @bb(ptr noundef %a) {
|
|
entry:
|
|
call void @_ZN1AIiED1Ev(ptr noundef nonnull %a)
|
|
call void @_ZdlPv(ptr noundef %a)
|
|
ret void
|
|
}
|