1; REQUIRES: x86-registered-target 2 3; Backend test for distribute ThinLTO with CFI. 4 5; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t.o %s 6 7; RUN: llvm-lto2 run -thinlto-distributed-indexes -disable-thinlto-funcattrs=0 %t.o \ 8; RUN: -o %t2.index \ 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 13 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 22 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, importType: definition), 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 29 30; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \ 31; RUN: -fthinlto-index=%t.o.thinlto.bc \ 32; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s --check-prefixes=CHECK-IR 33 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 38 39target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 40target triple = "x86_64-grtev4-linux-gnu" 41 42%struct.B = type { %struct.A } 43%struct.A = type { i32 (...)** } 44 45@_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0 46 47; CHECK-IR-LABEL: define void @test 48define void @test(i8* %b) { 49entry: 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 57 58trap: 59 tail call void @llvm.trap() 60 unreachable 61 62cont: 63 ; CHECK-IR-LABEL: ret void 64 ret void 65} 66; CHECK-IR-LABEL: } 67 68declare i1 @llvm.type.test(i8*, metadata) 69declare void @llvm.trap() 70 71declare i32 @_ZN1B1fEi(%struct.B* %this, i32 %a) 72 73!0 = !{i64 16, !"_ZTS1A"} 74!1 = !{i64 16, !"_ZTS1B"} 75