bda6e5bee0
Since d6de1e1a71406c75a4ea4d5a2fe84289f07ea3a1, no attributes is quivalent to setting attribute to false. This is a preliminary commit for https://reviews.llvm.org/D99080
27 lines
935 B
LLVM
27 lines
935 B
LLVM
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; RUN: llc < %s -mtriple=arm-pc-windows-msvc | FileCheck %s
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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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; CHECK-NOT: __guard_check_icall_fptr
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; CHECK-NOT: __guard_dispatch_icall_fptr
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}
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attributes #0 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "stack-protector-buffer-size"="8" "target-cpu"="cortex-a9" "target-features"="+armv7-a,+dsp,+fp16,+neon,+strict-align,+thumb-mode,+vfp3" "use-soft-float"="false"}
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!llvm.module.flags = !{!0}
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!0 = !{i32 2, !"cfguard", i32 1}
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