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286f104576
Implement ControlFlowIntegrity for indirect function calls in ThinLTO. Design follows the RFC in llvm-dev, see https://groups.google.com/d/msg/llvm-dev/MgUlaphu4Qc/kywu0AqjAQAJ llvm-svn: 305533
24 lines
699 B
LLVM
24 lines
699 B
LLVM
; Test that types referenced in ThinLTO-style !cfi.functions are known to __cfi_check.
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; RUN: opt -S -cross-dso-cfi < %s | FileCheck %s
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; RUN: opt -S -passes=cross-dso-cfi < %s | FileCheck %s
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; CHECK: define void @__cfi_check(
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; CHECK: switch i64
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; CHECK-NEXT: i64 1234, label
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; CHECK-NEXT: i64 5678, label
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; CHECK-NEXT: ]
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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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!cfi.functions = !{!0, !1}
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!llvm.module.flags = !{!6}
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!0 = !{!"f", i8 0, !2, !4}
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!1 = !{!"g", i8 1, !3, !5}
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!2 = !{i64 0, !"typeid1"}
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!3 = !{i64 0, !"typeid2"}
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!4 = !{i64 0, i64 1234}
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!5 = !{i64 0, i64 5678}
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!6 = !{i32 4, !"Cross-DSO CFI", i32 1}
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