2018-02-15 06:41:15 +08:00
|
|
|
; REQUIRES: x86-registered-target
|
|
|
|
|
|
|
|
; Backend test for distribute ThinLTO with CFI.
|
|
|
|
|
2019-01-12 02:32:07 +08:00
|
|
|
; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t.o %s
|
2018-02-15 06:41:15 +08:00
|
|
|
|
|
|
|
; RUN: llvm-lto2 run -thinlto-distributed-indexes %t.o \
|
|
|
|
; RUN: -o %t2.index \
|
|
|
|
; RUN: -r=%t.o,test,px \
|
|
|
|
; RUN: -r=%t.o,_ZTV1B, \
|
|
|
|
; RUN: -r=%t.o,_ZN1B1fEi, \
|
|
|
|
; RUN: -r=%t.o,_ZTV1B,px
|
|
|
|
|
|
|
|
; Check that typeids are in the index.
|
|
|
|
; RUN: llvm-bcanalyzer -dump %t.o.thinlto.bc | FileCheck %s
|
|
|
|
; CHECK-LABEL: <GLOBALVAL_SUMMARY_BLOCK
|
|
|
|
; CHECK: <TYPE_ID op0=0 op1=6 op2=3 op3=0 op4=0 op5=0 op6=0 op7=0/>
|
|
|
|
; CHECK-LABEL: </GLOBALVAL_SUMMARY_BLOCK
|
|
|
|
; CHECK-LABEL: <STRTAB_BLOCK
|
|
|
|
; CHECK: blob data = '_ZTS1A'
|
|
|
|
; CHECK-LABEL: </STRTAB_BLOCK
|
|
|
|
|
2018-06-05 07:05:24 +08:00
|
|
|
; RUN: llvm-dis %t.o.thinlto.bc -o - | FileCheck %s --check-prefix=CHECK-DIS
|
2018-06-26 23:50:34 +08:00
|
|
|
; Round trip it through llvm-as
|
|
|
|
; RUN: llvm-dis %t.o.thinlto.bc -o - | llvm-as -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-DIS
|
2018-06-05 07:05:24 +08:00
|
|
|
; CHECK-DIS: ^0 = module: (path: "{{.*}}thinlto-distributed-cfi.ll.tmp.o", hash: ({{.*}}, {{.*}}, {{.*}}, {{.*}}, {{.*}}))
|
2019-05-11 04:38:31 +08:00
|
|
|
; CHECK-DIS: ^1 = gv: (guid: 8346051122425466633, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0, canAutoHide: 0), insts: 7, typeIdInfo: (typeTests: (^2)))))
|
2018-06-05 07:05:24 +08:00
|
|
|
; CHECK-DIS: ^2 = typeid: (name: "_ZTS1A", summary: (typeTestRes: (kind: single, sizeM1BitWidth: 0))) ; guid = 7004155349499253778
|
|
|
|
|
2018-02-15 06:41:15 +08:00
|
|
|
; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \
|
|
|
|
; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \
|
|
|
|
; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s --check-prefixes=CHECK-IR
|
|
|
|
|
|
|
|
; Ensure that backend does not fail generating native code.
|
|
|
|
; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \
|
|
|
|
; RUN: -emit-obj -fthinlto-index=%t.o.thinlto.bc \
|
|
|
|
; RUN: -o %t.native.o -x ir %t.o
|
|
|
|
|
2019-08-28 09:08:54 +08:00
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
2018-02-15 06:41:15 +08:00
|
|
|
target triple = "x86_64-grtev4-linux-gnu"
|
|
|
|
|
|
|
|
%struct.B = type { %struct.A }
|
|
|
|
%struct.A = type { i32 (...)** }
|
|
|
|
|
|
|
|
@_ZTV1B = constant { [3 x i8*] } { [3 x i8*] [i8* undef, i8* undef, i8* undef] }, !type !0
|
|
|
|
|
|
|
|
; CHECK-IR-LABEL: define void @test
|
|
|
|
define void @test(i8* %b) {
|
|
|
|
entry:
|
|
|
|
; Ensure that traps are conditional. Invalid TYPE_ID can cause
|
|
|
|
; unconditional traps.
|
|
|
|
; CHECK-IR: br i1 {{.*}}, label %trap
|
|
|
|
%0 = bitcast i8* %b to i8**
|
|
|
|
%vtable2 = load i8*, i8** %0
|
|
|
|
%1 = tail call i1 @llvm.type.test(i8* %vtable2, metadata !"_ZTS1A")
|
|
|
|
br i1 %1, label %cont, label %trap
|
|
|
|
|
|
|
|
trap:
|
|
|
|
tail call void @llvm.trap()
|
|
|
|
unreachable
|
|
|
|
|
|
|
|
cont:
|
|
|
|
; CHECK-IR-LABEL: ret void
|
|
|
|
ret void
|
|
|
|
}
|
|
|
|
; CHECK-IR-LABEL: }
|
|
|
|
|
|
|
|
declare i1 @llvm.type.test(i8*, metadata)
|
|
|
|
declare void @llvm.trap()
|
|
|
|
|
|
|
|
declare i32 @_ZN1B1fEi(%struct.B* %this, i32 %a)
|
|
|
|
|
|
|
|
!0 = !{i64 16, !"_ZTS1A"}
|
|
|
|
!1 = !{i64 16, !"_ZTS1B"}
|