| 1 | ; REQUIRES: x86-registered-target |
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| 2 | |
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| 3 | ; Backend test for distribute ThinLTO with CFI. |
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| 4 | |
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| 5 | ; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t.o %s |
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| 6 | |
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| 7 | ; RUN: llvm-lto2 run -thinlto-distributed-indexes %t.o \ |
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| 8 | ; RUN: -o %t2.index \ |
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| 9 | ; RUN: -r=%t.o,test,px \ |
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| 10 | ; RUN: -r=%t.o,_ZTV1B, \ |
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| 11 | ; RUN: -r=%t.o,_ZN1B1fEi, \ |
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| 12 | ; RUN: -r=%t.o,_ZTV1B,px |
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| 13 | |
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| 14 | ; Check that typeids are in the index. |
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| 15 | ; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s |
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| 16 | ; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK |
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| 17 | ; CHECK: <TYPE_ID op0=0 op1=6 op2=3 op3=0 op4=0 op5=0 op6=0 op7=0/> |
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| 18 | ; CHECK-LABEL: </GLOBALVAL_SUMMARY_BLOCK |
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| 19 | ; CHECK-LABEL: <STRTAB_BLOCK |
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| 20 | ; CHECK: blob data = '_ZTS1A' |
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| 21 | ; CHECK-LABEL: </STRTAB_BLOCK |
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| 22 | |
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| 23 | ; RUN: llvm-dis %t.o.thinlto.bc -o - | FileCheck %s --check-prefix=CHECK-DIS |
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| 24 | ; Round trip it through llvm-as |
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| 25 | ; RUN: llvm-dis %t.o.thinlto.bc -o - | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-DIS |
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| 26 | ; CHECK-DIS: ^0 = module: (path: "{{.*}}thinlto-distributed-cfi.ll.tmp.o", hash: ({{.*}}, {{.*}}, {{.*}}, {{.*}}, {{.*}})) |
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| 27 | ; CHECK-DIS: ^1 = gv: (guid: 8346051122425466633, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0), insts: 7, typeIdInfo: (typeTests: (^2))))) |
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| 28 | ; CHECK-DIS: ^2 = typeid: (name: "_ZTS1A", summary: (typeTestRes: (kind: single, sizeM1BitWidth: 0))) ; guid = 7004155349499253778 |
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| 29 | |
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| 30 | ; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \ |
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| 31 | ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \ |
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| 32 | ; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s --check-prefixes=CHECK-IR |
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| 33 | |
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| 34 | ; Ensure that backend does not fail generating native code. |
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| 35 | ; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \ |
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| 36 | ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \ |
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| 37 | ; RUN: -o %t.native.o -x ir %t.o |
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| 38 | |
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| 39 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
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| 40 | target triple = "x86_64-grtev4-linux-gnu" |
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| 41 | |
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| 42 | %struct.B = type { %struct.A } |
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| 43 | %struct.A = type { i32 (...)** } |
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| 44 | |
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| 45 | @_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0 |
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| 46 | |
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| 47 | ; CHECK-IR-LABEL: define void @test |
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| 48 | define void @test(i8* %b) { |
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| 49 | entry: |
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| 50 | ; Ensure that traps are conditional. Invalid TYPE_ID can cause |
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| 51 | ; unconditional traps. |
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| 52 | ; CHECK-IR: br i1 {{.*}}, label %trap |
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| 53 | %0 = bitcast i8* %b to i8** |
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| 54 | %vtable2 = load i8*, i8** %0 |
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| 55 | %1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A") |
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| 56 | br i1 %1, label %cont, label %trap |
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| 57 | |
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| 58 | trap: |
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| 59 | tail call void @llvm.trap() |
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| 60 | unreachable |
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| 61 | |
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| 62 | cont: |
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| 63 | ; CHECK-IR-LABEL: ret void |
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| 64 | ret void |
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| 65 | } |
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| 66 | ; CHECK-IR-LABEL: } |
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| 67 | |
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| 68 | declare i1 @llvm.type.test(i8*, metadata) |
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| 69 | declare void @llvm.trap() |
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| 70 | |
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| 71 | declare i32 @_ZN1B1fEi(%struct.B* %this, i32 %a) |
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| 72 | |
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| 73 | !0 = !{i64 16, !"_ZTS1A"} |
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| 74 | !1 = !{i64 16, !"_ZTS1B"} |
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| 75 | |
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