1; REQUIRES: x86-registered-target
2
3; Test to ensure that only referenced type ID records are emitted into
4; each distributed index file.
5
6; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t1.o %s
7; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t2.o %p/Inputs/cfi-distributed.ll
8
9; RUN: llvm-lto2 run -thinlto-distributed-indexes %t1.o %t2.o \
10; RUN:   -o %t3 \
11; RUN:   -r=%t1.o,test,px \
12; RUN:   -r=%t1.o,_ZTV1B, \
13; RUN:   -r=%t1.o,_ZTV1B,px \
14; RUN:   -r=%t1.o,test2, \
15; RUN:   -r=%t1.o,test3, \
16; RUN:   -r=%t2.o,test1, \
17; RUN:   -r=%t2.o,test3,p \
18; RUN:   -r=%t2.o,test2,px \
19; RUN:   -r=%t2.o,_ZTV1B2, \
20; RUN:   -r=%t2.o,_ZTV1B2,px \
21; RUN:   -r=%t2.o,_ZTV1B3, \
22; RUN:   -r=%t2.o,_ZTV1B3,px
23
24; Check that we have all needed type IDs.
25; RUN: llvm-dis %t1.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX1
26
27; Used by @llvm.type.test in @test
28; INDEX1: typeid: (name: "_ZTS1A"
29
30; Used by @llvm.type.test in @test2 imported to be called from @test
31; INDEX1: typeid: (name: "_ZTS1A2"
32
33; Used by @llvm.type.test in @test1 imported to be called by alias
34; @test3 from @test
35; INDEX1: typeid: (name: "_ZTS1A3"
36
37; The second index file, should only contain the type IDs used in @test1 and @test2.
38; RUN: llvm-dis %t2.o.thinlto.bc -o - | FileCheck %s --check-prefix=INDEX2
39; INDEX2-NOT: typeid: (name: "_ZTS1A"
40; INDEX2: typeid: (name: "_ZTS1A2"
41; INDEX2: typeid: (name: "_ZTS1A3"
42
43target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
44target triple = "x86_64-grtev4-linux-gnu"
45
46%struct.B = type { %struct.A }
47%struct.A = type { i32 (...)** }
48
49@_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0
50
51define void @test(i8* %b) {
52entry:
53  tail call void @test2(i8* %b)
54  tail call void @test3(i8* %b)
55  %0 = bitcast i8* %b to i8**
56  %vtable2 = load i8*, i8** %0
57  %1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A")
58  br i1 %1, label %cont, label %trap
59
60trap:
61  tail call void @llvm.trap()
62  unreachable
63
64cont:
65  ret void
66}
67
68declare void @test2(i8*)
69declare void @test3(i8*)
70declare i1 @llvm.type.test(i8*, metadata)
71declare void @llvm.trap()
72
73!0 = !{i64 16, !"_ZTS1A"}
74!1 = !{i64 16, !"_ZTS1B"}
75