| Vitaly Buka | 44396fa | 2018-02-14 22:41:15 +0000 | [diff] [blame] | 1 | ; REQUIRES: x86-registered-target |
| 2 | |
| 3 | ; Backend test for distribute ThinLTO with CFI. |
| 4 | |
| 5 | ; RUN: opt -thinlto-bc -o %t.o %s |
| 6 | |
| 7 | ; RUN: llvm-lto2 run -thinlto-distributed-indexes %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: %clang_cc1 -triple x86_64-grtev4-linux-gnu \ |
| 24 | ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \ |
| 25 | ; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s --check-prefixes=CHECK-IR |
| 26 | |
| 27 | ; Ensure that backend does not fail generating native code. |
| 28 | ; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \ |
| 29 | ; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \ |
| 30 | ; RUN: -o %t.native.o -x ir %t.o |
| 31 | |
| 32 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 33 | target triple = "x86_64-grtev4-linux-gnu" |
| 34 | |
| 35 | %struct.B = type { %struct.A } |
| 36 | %struct.A = type { i32 (...)** } |
| 37 | |
| 38 | @_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0 |
| 39 | |
| 40 | ; CHECK-IR-LABEL: define void @test |
| 41 | define void @test(i8* %b) { |
| 42 | entry: |
| 43 | ; Ensure that traps are conditional. Invalid TYPE_ID can cause |
| 44 | ; unconditional traps. |
| 45 | ; CHECK-IR: br i1 {{.*}}, label %trap |
| 46 | %0 = bitcast i8* %b to i8** |
| 47 | %vtable2 = load i8*, i8** %0 |
| 48 | %1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A") |
| 49 | br i1 %1, label %cont, label %trap |
| 50 | |
| 51 | trap: |
| 52 | tail call void @llvm.trap() |
| 53 | unreachable |
| 54 | |
| 55 | cont: |
| 56 | ; CHECK-IR-LABEL: ret void |
| 57 | ret void |
| 58 | } |
| 59 | ; CHECK-IR-LABEL: } |
| 60 | |
| 61 | declare i1 @llvm.type.test(i8*, metadata) |
| 62 | declare void @llvm.trap() |
| 63 | |
| 64 | declare i32 @_ZN1B1fEi(%struct.B* %this, i32 %a) |
| 65 | |
| 66 | !0 = !{i64 16, !"_ZTS1A"} |
| 67 | !1 = !{i64 16, !"_ZTS1B"} |