2019-10-29 02:39:45 +08:00
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; RUN: llc < %s -mtriple=i686-pc-windows-msvc | FileCheck %s -check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-pc-windows-msvc | FileCheck %s -check-prefix=X64
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; Control Flow Guard is currently only available on Windows
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; Test that Control Flow Guard checks are not added in modules with the
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; cfguard=1 flag (emit tables but no checks).
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declare void @target_func()
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define void @func_in_module_without_cfguard() #0 {
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entry:
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%func_ptr = alloca void ()*, align 8
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store void ()* @target_func, void ()** %func_ptr, align 8
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%0 = load void ()*, void ()** %func_ptr, align 8
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call void %0()
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ret void
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; X32-NOT: __guard_check_icall_fptr
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; X64-NOT: __guard_dispatch_icall_fptr
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}
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!llvm.module.flags = !{!0}
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!0 = !{i32 2, !"cfguard", i32 1}
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