xref: /llvm-project/llvm/test/Instrumentation/DataFlowSanitizer/unordered_atomic_mem_intrins.ll (revision 66c3444f4cc5c1f70ec33e7806f8236a39b6adc2)
1; RUN: opt < %s -passes=dfsan -S | FileCheck %s
2
3target 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-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6;; Placeholder tests that will fail once element atomic @llvm.mem[move|set] intrinsics have
7;; been added to the MemIntrinsic class hierarchy. These will act as a reminder to
8;; verify that dfsan handles these intrinsics properly once they have been
9;; added to that class hierarchy.
10
11declare void @llvm.memset.element.unordered.atomic.p0.i64(ptr nocapture writeonly, i8, i64, i32) nounwind
12declare void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
13declare void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind
14
15define void @test_memcpy(ptr nocapture, ptr nocapture) {
16  ; CHECK-LABEL: test_memcpy.dfsan
17  ; CHECK: call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)
18  ; CHECK: ret void
19  call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)
20  ret void
21}
22
23define void @test_memmove(ptr nocapture, ptr nocapture) {
24  ; CHECK-LABEL: test_memmove.dfsan
25  ; CHECK: call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)
26  ; CHECK: ret void
27  call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)
28  ret void
29}
30
31define void @test_memset(ptr nocapture) {
32  ; CHECK-LABEL: test_memset.dfsan
33  ; CHECK: call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %0, i8 88, i64 16, i32 1)
34  ; CHECK: ret void
35  call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %0, i8 88, i64 16, i32 1)
36  ret void
37}
38