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1; REQUIRES: x86-registered-target2 3; Test that index-based devirtualization in the presence of same-named4; local vtables in same named source files fails.5 6; Generate unsplit module with summary for ThinLTO index-based WPD.7; RUN: opt -thinlto-bc -o %t3.o %s8; RUN: opt -thinlto-bc -o %t4.o %p/Inputs/devirt_local_same_guid.ll9 10; RUN: llvm-lto2 run %t3.o %t4.o -save-temps -pass-remarks=. \11; RUN: -wholeprogramdevirt-print-index-based \12; RUN: -o %t5 \13; RUN: -r=%t3.o,use_B,px \14; RUN: -r=%t3.o,test,px \15; RUN: -r=%t4.o,test2,px16; RUN: llvm-dis %t5.1.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-IR117; RUN: llvm-dis %t5.2.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-IR218 19target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"20target triple = "x86_64-grtev4-linux-gnu"21 22source_filename = "-"23 24%struct.A = type { ptr }25%struct.B = type { %struct.A }26 27@_ZTV1B = internal constant { [4 x ptr] } { [4 x ptr] [ptr null, ptr undef, ptr @_ZN1B1fEi, ptr @_ZN1B1nEi] }, !type !0, !type !128 29define internal i32 @_ZN1B1fEi(ptr %this, i32 %a) #0 {30 ret i32 0;31}32 33define internal i32 @_ZN1B1nEi(ptr %this, i32 %a) #0 {34 ret i32 0;35}36 37; Ensures that vtable of B is live so that we will attempt devirt.38define dso_local i32 @use_B(ptr %a) {39entry:40 store ptr getelementptr inbounds ({ [4 x ptr] }, ptr @_ZTV1B, i64 0, i32 0, i64 2), ptr %a, align 841 ret i32 042}43 44; CHECK-IR1: define i32 @test(45define i32 @test(ptr %obj, i32 %a) {46entry:47 %vtable = load ptr, ptr %obj48 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"_ZTS1A")49 call void @llvm.assume(i1 %p)50 %fptrptr = getelementptr ptr, ptr %vtable, i32 151 %fptr1 = load ptr, ptr %fptrptr, align 852 53 ; Check that the call was not devirtualized.54 ; CHECK-IR1: %call = tail call i32 %fptr155 %call = tail call i32 %fptr1(ptr nonnull %obj, i32 %a)56 57 ret i32 %call58}59 60; CHECK-IR2: define i32 @test261; Check that the call was not devirtualized.62; CHECK-IR2: %call4 = tail call i32 %fptr63 64declare i1 @llvm.type.test(ptr, metadata)65declare void @llvm.assume(i1)66 67attributes #0 = { noinline optnone }68 69!0 = !{i64 16, !"_ZTS1A"}70!1 = !{i64 16, !"_ZTS1B"}71