1 ; REQUIRES: x86-registered-target
3 ; Backend test for distribute ThinLTO with CFI.
5 ; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t.o %s
7 ; RUN: llvm-lto2 run -thinlto-distributed-indexes -disable-thinlto-funcattrs=0 %t.o \
9 ; RUN: -r=%t.o,test,px \
10 ; RUN: -r=%t.o,_ZTV1B, \
11 ; RUN: -r=%t.o,_ZN1B1fEi, \
12 ; RUN: -r=%t.o,_ZTV1B,px
14 ; Check that typeids are in the index.
15 ; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s
16 ; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK
17 ; CHECK: <TYPE_ID op0=0 op1=6 op2=3 op3=0 op4=0 op5=0 op6=0 op7=0/>
18 ; CHECK-LABEL: </GLOBALVAL_SUMMARY_BLOCK
19 ; CHECK-LABEL: <STRTAB_BLOCK
20 ; CHECK: blob data = '_ZTS1A'
21 ; CHECK-LABEL: </STRTAB_BLOCK
23 ; RUN: llvm-dis %t.o.thinlto.bc -o - | FileCheck %s --check-prefix=CHECK-DIS
24 ; Round trip it through llvm-as
25 ; RUN: llvm-dis %t.o.thinlto.bc -o - | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-DIS
26 ; CHECK-DIS: ^0 = module: (path: "{{.*}}thinlto-distributed-cfi.ll.tmp.o", hash: ({{.*}}, {{.*}}, {{.*}}, {{.*}}, {{.*}}))
27 ; CHECK-DIS: ^1 = gv: (guid: 8346051122425466633, summaries: (function: (module: ^0, flags: (linkage: external, visibility: default, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 7, funcFlags: (readNone: 0, readOnly: 0, noRecurse: 1, returnDoesNotAlias: 0, noInline: 0, alwaysInline: 0, noUnwind: 1, mayThrow: 0, hasUnknownCall: 0, mustBeUnreachable: 0), typeIdInfo: (typeTests: (^2)))))
28 ; CHECK-DIS: ^2 = typeid: (name: "_ZTS1A", summary: (typeTestRes: (kind: single, sizeM1BitWidth: 0))) ; guid = 7004155349499253778
30 ; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \
31 ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \
32 ; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s --check-prefixes=CHECK-IR
34 ; Ensure that backend does not fail generating native code.
35 ; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \
36 ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \
37 ; RUN: -o %t.native.o -x ir %t.o
39 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
40 target triple = "x86_64-grtev4-linux-gnu"
42 %struct.B = type { %struct.A }
43 %struct.A = type { i32 (...)** }
45 @_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0
47 ; CHECK-IR-LABEL: define void @test
48 define void @test(i8* %b) {
50 ; Ensure that traps are conditional. Invalid TYPE_ID can cause
51 ; unconditional traps.
52 ; CHECK-IR: br i1 {{.*}}, label %trap
53 %0 = bitcast i8* %b to i8**
54 %vtable2 = load i8*, i8** %0
55 %1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A")
56 br i1 %1, label %cont, label %trap
59 tail call void @llvm.trap()
63 ; CHECK-IR-LABEL: ret void
68 declare i1 @llvm.type.test(i8*, metadata)
69 declare void @llvm.trap()
71 declare i32 @_ZN1B1fEi(%struct.B* %this, i32 %a)
73 !0 = !{i64 16, !"_ZTS1A"}
74 !1 = !{i64 16, !"_ZTS1B"}