76 lines
3.8 KiB
LLVM
76 lines
3.8 KiB
LLVM
; Test memory intrinsics instrumentation
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; RUN: opt < %s -passes=asan -S | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s
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; RUN: opt < %s -passes=asan -asan-kernel -S | FileCheck --check-prefixes=CHECK,CHECK-NOPREFIX %s
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; RUN: opt < %s -passes=asan -asan-kernel -asan-kernel-mem-intrinsic-prefix -S | FileCheck --check-prefixes=CHECK,CHECK-PREFIX %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
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declare void @llvm.memset.inline.p0.i64(ptr nocapture, i8, i64, i1) nounwind
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declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
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declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
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declare void @llvm.memcpy.inline.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1) nounwind
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define void @memintr_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
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entry:
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tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false)
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tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
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tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
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ret void
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}
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; CHECK-LABEL: memintr_test
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; CHECK-PREFIX: @__asan_memset
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; CHECK-PREFIX: @__asan_memmove
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; CHECK-PREFIX: @__asan_memcpy
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; CHECK-NOPREFIX: @memset
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; CHECK-NOPREFIX: @memmove
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; CHECK-NOPREFIX: @memcpy
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; CHECK: ret void
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define void @memintr_inline_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
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entry:
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tail call void @llvm.memset.inline.p0.i64(ptr %a, i8 0, i64 100, i1 false)
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tail call void @llvm.memcpy.inline.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
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ret void
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}
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; CHECK-LABEL: memintr_inline_test
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; CHECK-PREFIX: @__asan_memset
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; CHECK-PREFIX: @__asan_memcpy
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; CHECK-NOPREFIX: @memset
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; CHECK-NOPREFIX: @memcpy
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; CHECK: ret void
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define void @memintr_test_nosanitize(ptr %a, ptr %b) nounwind uwtable {
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entry:
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tail call void @llvm.memset.p0.i64(ptr %a, i8 0, i64 100, i1 false)
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tail call void @llvm.memmove.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
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tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 100, i1 false)
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ret void
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}
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; CHECK-LABEL: memintr_test_nosanitize
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; CHECK: @llvm.memset
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; CHECK: @llvm.memmove
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; CHECK: @llvm.memcpy
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; CHECK: ret void
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declare void @llvm.memset.element.unordered.atomic.p0.i64(ptr nocapture writeonly, i8, i64, i32) nounwind
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declare void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
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declare void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
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define void @memintr_element_atomic_test(ptr %a, ptr %b) nounwind uwtable sanitize_address {
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; This is a canary test to make sure that these don't get lowered into calls that don't
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; have the element-atomic property. Eventually, asan will have to be enhanced to lower
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; these properly.
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; CHECK-LABEL: memintr_element_atomic_test
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; CHECK-NEXT: tail call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %a, i8 0, i64 100, i32 1)
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; CHECK-NEXT: tail call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
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; CHECK-NEXT: tail call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
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; CHECK-NEXT: ret void
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tail call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %a, i8 0, i64 100, i32 1)
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tail call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
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tail call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %a, ptr align 1 %b, i64 100, i32 1)
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ret void
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}
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