61 lines
1.6 KiB
LLVM
61 lines
1.6 KiB
LLVM
|
; REQUIRES: x86-registered-target
|
||
|
|
|
||
|
|
; Test CFI through the thin link and backend.
|
||
|
|
|
||
|
|
; RUN: opt -thinlto-bc -thinlto-split-lto-unit -o %t.o %s
|
||
|
|
|
||
|
|
; Legacy PM
|
||
|
|
; RUN: llvm-lto2 run -save-temps %t.o \
|
||
|
|
; RUN: -o %t3 \
|
||
|
|
; RUN: -r=%t.o,test,px \
|
||
|
|
; RUN: -r=%t.o,_ZTV1B, \
|
||
|
|
; RUN: -r=%t.o,_ZN1B1fEi, \
|
||
|
|
; RUN: -r=%t.o,_ZTV1B,px
|
||
|
|
; RUN: llvm-dis %t3.1.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-IR
|
||
|
|
|
||
|
|
; New PM
|
||
|
|
; RUN: llvm-lto2 run -save-temps %t.o -use-new-pm \
|
||
|
|
; RUN: -o %t3 \
|
||
|
|
; RUN: -r=%t.o,test,px \
|
||
|
|
; RUN: -r=%t.o,_ZTV1B, \
|
||
|
|
; RUN: -r=%t.o,_ZN1B1fEi, \
|
||
|
|
; RUN: -r=%t.o,_ZTV1B,px
|
||
|
|
; RUN: llvm-dis %t3.1.4.opt.bc -o - | FileCheck %s --check-prefix=CHECK-IR
|
||
|
|
|
||
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-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"}
|