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1; RUN: opt < %s -passes=dfsan -S | FileCheck %s2 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 have7;; been added to the MemIntrinsic class hierarchy. These will act as a reminder to8;; verify that dfsan handles these intrinsics properly once they have been9;; added to that class hierarchy.10 11declare void @llvm.memset.element.unordered.atomic.p0.i64(ptr nocapture writeonly, i8, i64, i32) nounwind12declare void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind13declare void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i32) nounwind14 15define void @test_memcpy(ptr nocapture, ptr nocapture) {16  ; CHECK-LABEL: test_memcpy.dfsan17  ; 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 void19  call void @llvm.memcpy.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)20  ret void21}22 23define void @test_memmove(ptr nocapture, ptr nocapture) {24  ; CHECK-LABEL: test_memmove.dfsan25  ; 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 void27  call void @llvm.memmove.element.unordered.atomic.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 16, i32 1)28  ret void29}30 31define void @test_memset(ptr nocapture) {32  ; CHECK-LABEL: test_memset.dfsan33  ; CHECK: call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %0, i8 88, i64 16, i32 1)34  ; CHECK: ret void35  call void @llvm.memset.element.unordered.atomic.p0.i64(ptr align 1 %0, i8 88, i64 16, i32 1)36  ret void37}38