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258db6665b
* __cfi_check gets a 3rd argument: ubsan handler data * Instead of trapping on failure, call __cfi_check_fail which must be present in the module (generated in the frontend). llvm-svn: 258746
94 lines
2.5 KiB
LLVM
94 lines
2.5 KiB
LLVM
; RUN: opt -S -cross-dso-cfi < %s | FileCheck %s
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; CHECK: define void @__cfi_check(i64 %[[TYPE:.*]], i8* %[[ADDR:.*]], i8* %[[DATA:.*]]) align 4096
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; CHECK: switch i64 %[[TYPE]], label %[[FAIL:.*]] [
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; CHECK-NEXT: i64 111, label %[[L1:.*]]
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; CHECK-NEXT: i64 222, label %[[L2:.*]]
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; CHECK-NEXT: i64 333, label %[[L3:.*]]
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; CHECK-NEXT: i64 444, label %[[L4:.*]]
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; CHECK-NEXT: {{]$}}
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; CHECK: [[EXIT:.*]]:
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; CHECK-NEXT: ret void
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; CHECK: [[FAIL]]:
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; CHECK-NEXT: call void @__cfi_check_fail(i8* %[[DATA]], i8* %[[ADDR]])
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; CHECK-NEXT: br label %[[EXIT]]
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; CHECK: [[L1]]:
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; CHECK-NEXT: call i1 @llvm.bitset.test(i8* %[[ADDR]], metadata i64 111)
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; CHECK-NEXT: br {{.*}} label %[[EXIT]], label %[[FAIL]]
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; CHECK: [[L2]]:
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; CHECK-NEXT: call i1 @llvm.bitset.test(i8* %[[ADDR]], metadata i64 222)
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; CHECK-NEXT: br {{.*}} label %[[EXIT]], label %[[FAIL]]
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; CHECK: [[L3]]:
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; CHECK-NEXT: call i1 @llvm.bitset.test(i8* %[[ADDR]], metadata i64 333)
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; CHECK-NEXT: br {{.*}} label %[[EXIT]], label %[[FAIL]]
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; CHECK: [[L4]]:
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; CHECK-NEXT: call i1 @llvm.bitset.test(i8* %[[ADDR]], metadata i64 444)
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; CHECK-NEXT: br {{.*}} label %[[EXIT]], label %[[FAIL]]
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@_ZTV1A = constant i8 0
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@_ZTI1A = constant i8 0
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@_ZTS1A = constant i8 0
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@_ZTV1B = constant i8 0
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@_ZTI1B = constant i8 0
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@_ZTS1B = constant i8 0
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define signext i8 @f11() {
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entry:
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ret i8 1
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}
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define signext i8 @f12() {
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entry:
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ret i8 2
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}
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define signext i8 @f13() {
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entry:
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ret i8 3
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}
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define i32 @f21() {
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entry:
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ret i32 4
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}
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define i32 @f22() {
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entry:
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ret i32 5
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}
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define weak_odr hidden void @__cfi_check_fail(i8*, i8*) {
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entry:
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ret void
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}
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!llvm.bitsets = !{!0, !1, !2, !3, !4, !7, !8, !9, !10, !11, !12, !13, !14, !15}
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!llvm.module.flags = !{!17}
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!0 = !{!"_ZTSFcvE", i8 ()* @f11, i64 0}
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!1 = !{i64 111, i8 ()* @f11, i64 0}
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!2 = !{!"_ZTSFcvE", i8 ()* @f12, i64 0}
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!3 = !{i64 111, i8 ()* @f12, i64 0}
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!4 = !{!"_ZTSFcvE", i8 ()* @f13, i64 0}
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!5 = !{i64 111, i8 ()* @f13, i64 0}
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!6 = !{!"_ZTSFivE", i32 ()* @f21, i64 0}
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!7 = !{i64 222, i32 ()* @f21, i64 0}
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!8 = !{!"_ZTSFivE", i32 ()* @f22, i64 0}
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!9 = !{i64 222, i32 ()* @f22, i64 0}
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!10 = !{!"_ZTS1A", i8* @_ZTV1A, i64 16}
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!11 = !{i64 333, i8* @_ZTV1A, i64 16}
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!12 = !{!"_ZTS1A", i8* @_ZTV1B, i64 16}
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!13 = !{i64 333, i8* @_ZTV1B, i64 16}
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!14 = !{!"_ZTS1B", i8* @_ZTV1B, i64 16}
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!15 = !{i64 444, i8* @_ZTV1B, i64 16}
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!17= !{i32 4, !"Cross-DSO CFI", i32 1}
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