1 files changed, 74 insertions, 0 deletions
diff --git a/test/CodeGen/thinlto-distributed-cfi.ll b/test/CodeGen/thinlto-distributed-cfi.ll
new file mode 100644
index 0000000000000..055b5971eb233
--- /dev/null
+++ b/test/CodeGen/thinlto-distributed-cfi.ll
@@ -0,0 +1,74 @@
+; REQUIRES: x86-registered-target
+
+; Backend test for distribute ThinLTO with CFI.
+
+; RUN: opt -thinlto-bc -o %t.o %s
+
+; 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
+
+; RUN: llvm-dis %t.o.thinlto.bc -o - | FileCheck %s --check-prefix=CHECK-DIS
+; 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
+; CHECK-DIS: ^0 = module: (path: "{{.*}}thinlto-distributed-cfi.ll.tmp.o", hash: ({{.*}}, {{.*}}, {{.*}}, {{.*}}, {{.*}}))
+; CHECK-DIS: ^1 = gv: (guid: 8346051122425466633, summaries: (function: (module: ^0, flags: (linkage: external, notEligibleToImport: 0, live: 1, dsoLocal: 0), insts: 7, typeIdInfo: (typeTests: (^2)))))
+; CHECK-DIS: ^2 = typeid: (name: "_ZTS1A", summary: (typeTestRes: (kind: single, sizeM1BitWidth: 0))) ; guid = 7004155349499253778
+
+; 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
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+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"}