1; RUN: opt < %s -passes=dfsan -dfsan-track-origins=1 -S | FileCheck %s 2target 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" 3target triple = "x86_64-unknown-linux-gnu" 4 5declare void @llvm.memcpy.p0.p0.i32(ptr, ptr, i32, i1) 6declare void @llvm.memmove.p0.p0.i32(ptr, ptr, i32, i1) 7declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) 8 9define void @memcpy(ptr %d, ptr %s, i32 %l) { 10 ; CHECK: @memcpy.dfsan 11 ; CHECK: [[L64:%.*]] = zext i32 %l to i64 12 ; CHECK: call void @__dfsan_mem_origin_transfer(ptr %d, ptr %s, i64 [[L64]]) 13 ; CHECK: call void @llvm.memcpy.p0.p0.i32(ptr align 1 {{.*}}, ptr align 1 {{.*}}, i32 {{.*}}, i1 false) 14 ; CHECK: call void @llvm.memcpy.p0.p0.i32(ptr %d, ptr %s, i32 %l, i1 false) 15 16 call void @llvm.memcpy.p0.p0.i32(ptr %d, ptr %s, i32 %l, i1 0) 17 ret void 18} 19 20define void @memmove(ptr %d, ptr %s, i32 %l) { 21 ; CHECK: @memmove.dfsan 22 ; CHECK: [[L64:%.*]] = zext i32 %l to i64 23 ; CHECK: call void @__dfsan_mem_origin_transfer(ptr %d, ptr %s, i64 [[L64]]) 24 ; CHECK: call void @llvm.memmove.p0.p0.i32(ptr align 1 {{.*}}, ptr align 1 {{.*}}, i32 {{.*}}, i1 false) 25 ; CHECK: call void @llvm.memmove.p0.p0.i32(ptr %d, ptr %s, i32 %l, i1 false) 26 27 call void @llvm.memmove.p0.p0.i32(ptr %d, ptr %s, i32 %l, i1 0) 28 ret void 29} 30 31define void @memset(ptr %p, i8 %v) { 32 ; CHECK: @memset.dfsan 33 ; CHECK: [[O:%.*]] = load i32, ptr getelementptr inbounds ([200 x i32], ptr @__dfsan_arg_origin_tls, i64 0, i64 1), align 4 34 ; CHECK: [[S:%.*]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN:2]] 35 ; CHECK: call void @__dfsan_set_label(i8 [[S]], i32 [[O]], ptr %p, i64 1) 36 call void @llvm.memset.p0.i64(ptr %p, i8 %v, i64 1, i1 1) 37 ret void 38}