xref: /llvm-project/clang/test/CodeGen/split-lto-unit-input.cpp (revision b2f7b5dbaefe4f2e3f8f279735ea3509a796693f)
1*b2f7b5dbSFangrui Song // REQUIRES: x86-registered-target
2*b2f7b5dbSFangrui Song /// When the input is a -fsplit-lto-unit bitcode file, link the regular LTO file like -mlink-bitcode-file.
3*b2f7b5dbSFangrui Song // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm-bc -flto=thin -flto-unit -fsplit-lto-unit %s -o %t.bc
4*b2f7b5dbSFangrui Song // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-obj %t.bc -o %t.o
5*b2f7b5dbSFangrui Song // RUN: llvm-nm %t.o | FileCheck %s
6*b2f7b5dbSFangrui Song // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %t.bc -o - | FileCheck %s --check-prefix=CHECK-IR
7*b2f7b5dbSFangrui Song 
8*b2f7b5dbSFangrui Song // CHECK:      V _ZTI1A
9*b2f7b5dbSFangrui Song // CHECK-NEXT: V _ZTI1B
10*b2f7b5dbSFangrui Song // CHECK-NEXT: V _ZTS1A
11*b2f7b5dbSFangrui Song // CHECK-NEXT: V _ZTS1B
12*b2f7b5dbSFangrui Song // CHECK-NEXT: V _ZTV1A
13*b2f7b5dbSFangrui Song // CHECK-NEXT: V _ZTV1B
14*b2f7b5dbSFangrui Song 
15*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTS1B = linkonce_odr constant
16*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTS1A = linkonce_odr constant
17*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTV1B = linkonce_odr unnamed_addr constant
18*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTI1A = linkonce_odr constant
19*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTI1B = linkonce_odr constant
20*b2f7b5dbSFangrui Song // CHECK-IR-DAG: _ZTV1A = linkonce_odr unnamed_addr constant
21*b2f7b5dbSFangrui Song 
22*b2f7b5dbSFangrui Song struct A {
23*b2f7b5dbSFangrui Song   virtual int c(int i) = 0;
24*b2f7b5dbSFangrui Song };
25*b2f7b5dbSFangrui Song 
26*b2f7b5dbSFangrui Song struct B : A {
cB27*b2f7b5dbSFangrui Song   virtual int c(int i) { return i; }
28*b2f7b5dbSFangrui Song };
29*b2f7b5dbSFangrui Song 
use()30*b2f7b5dbSFangrui Song int use() {
31*b2f7b5dbSFangrui Song   return (new B)->c(0);
32*b2f7b5dbSFangrui Song }
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