1; Check that we can run WPD export using opt -passes=wholeprogramdevirt while 2; loading/saving index from/to bitcode 3; RUN: llvm-as %s -o %t.bc 4; RUN: llvm-as %p/Inputs/devirt-single-impl2-index.ll -o %t.index.bc 5; RUN: opt %s -S -passes=wholeprogramdevirt -whole-program-visibility -wholeprogramdevirt-read-summary=%t.index.bc \ 6; RUN: -wholeprogramdevirt-summary-action=export \ 7; RUN: -wholeprogramdevirt-write-summary=%t2.index.bc -o /dev/null 8; RUN: llvm-dis %t2.index.bc -o - | FileCheck %s 9 10; Check that opt fails to use summaries which don't contain regular LTO module 11; when performing export. 12; RUN: llvm-as %p/Inputs/devirt-bad-index.ll -o %t-bad.index.bc 13; RUN: not opt %s -S -passes=wholeprogramdevirt -whole-program-visibility -wholeprogramdevirt-read-summary=%t-bad.index.bc \ 14; RUN: -wholeprogramdevirt-summary-action=export -o /dev/null 2>&1 | FileCheck %s --check-prefix=MISSING-MODULE 15 16; Check single impl devirtulation in summary 17; CHECK: typeid: (name: "_ZTS1A", summary: (typeTestRes: (kind: unknown, sizeM1BitWidth: 0), wpdResolutions: ((offset: 0, wpdRes: (kind: singleImpl, singleImplName: "_ZNK1A1fEv"))))) ; guid 18 19; MISSING-MODULE: combined summary should contain Regular LTO module 20 21source_filename = "ld-temp.o" 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%struct.A = type { ptr } 26 27$_ZTV1A = comdat any 28 29@_ZTV1A = weak_odr hidden unnamed_addr constant { [3 x ptr] } { [3 x ptr] [ptr null, ptr @_ZTI1A, ptr @_ZNK1A1fEv] }, comdat, align 8, !type !0, !type !1 30@_ZTI1A = external hidden constant { ptr, ptr }, align 8 31define available_externally hidden i32 @_ZNK1A1fEv(ptr %this) unnamed_addr align 2 { 32entry: 33 ret i32 3 34} 35 36!llvm.ident = !{!2} 37!llvm.module.flags = !{!3, !4, !5} 38 39!0 = !{i64 16, !"_ZTS1A"} 40!1 = !{i64 16, !"_ZTSM1AKFivE.virtual"} 41!2 = !{!"clang version 10.0.0 (trunk 373596)"} 42!3 = !{i32 1, !"wchar_size", i32 4} 43!4 = !{i32 1, !"EnableSplitLTOUnit", i32 1} 44!5 = !{i32 1, !"ThinLTO", i32 0} 45