1; REQUIRES: x86 2;; Test mixed D0/D2 and D5 COMDATs. The file matches llvm/test/ThinLTO/X86/ctor-dtor-alias2.ll 3 4; RUN: rm -rf %t && split-file %s %t && cd %t 5 6;; a.bc defines D0 in comdat D0 and D2 in comdat D2. b.bc defines D0/D1/D2 in comdat D5. 7; RUN: opt -module-summary a.ll -o a.bc 8; RUN: opt -module-summary b.ll -o b.bc 9; RUN: ld.lld -shared a.bc b.bc -o out.so 10; RUN: llvm-nm -D out.so 11 12;; Although D0/D2 in b.bc is non-prevailing, keep D1/D2 as definitions, otherwise 13;; the output may have an undefined and unsatisfied D1. 14; CHECK: W _ZN1AIiED0Ev 15; CHECK-NEXT: W _ZN1AIiED1Ev 16; CHECK-NEXT: W _ZN1AIiED2Ev 17; CHECK-NEXT: U _ZdlPv 18; CHECK-NEXT: T aa 19; CHECK-NEXT: T bb 20 21;--- a.ll 22target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 23target triple = "x86_64-unknown-linux-gnu" 24 25$_ZN1AIiED2Ev = comdat any 26 27$_ZN1AIiED0Ev = comdat any 28 29define void @aa() { 30entry: 31 %a = alloca ptr, align 8 32 call void @_ZN1AIiED2Ev(ptr noundef nonnull %a) 33 ret void 34} 35 36define linkonce_odr void @_ZN1AIiED2Ev(ptr noundef nonnull %this) unnamed_addr comdat { 37 ret void 38} 39 40define linkonce_odr void @_ZN1AIiED0Ev(ptr noundef nonnull %this) unnamed_addr comdat { 41entry: 42 call void @_ZN1AIiED2Ev(ptr noundef nonnull %this) 43 call void @_ZdlPv(ptr noundef %this) 44 ret void 45} 46 47declare void @_ZdlPv(ptr noundef) 48 49;--- b.ll 50target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 51target triple = "x86_64-unknown-linux-gnu" 52 53$_ZN1AIiED5Ev = comdat any 54 55$_ZTV1AIiE = comdat any 56 57@_ZN1AIiED1Ev = weak_odr unnamed_addr alias void (ptr), ptr @_ZN1AIiED2Ev 58 59define weak_odr void @_ZN1AIiED2Ev(ptr noundef nonnull %this) unnamed_addr comdat($_ZN1AIiED5Ev) { 60 ret void 61} 62 63define weak_odr void @_ZN1AIiED0Ev(ptr noundef nonnull %this) unnamed_addr comdat($_ZN1AIiED5Ev) { 64entry: 65 call void @_ZN1AIiED1Ev(ptr noundef nonnull %this) 66 call void @_ZdlPv(ptr noundef %this) 67 ret void 68} 69 70declare void @_ZdlPv(ptr noundef) 71 72define void @bb(ptr noundef %a) { 73entry: 74 call void @_ZN1AIiED1Ev(ptr noundef nonnull %a) 75 call void @_ZdlPv(ptr noundef %a) 76 ret void 77} 78