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