1; RUN: opt < %s -dfsan -S | FileCheck %s --check-prefixes=CHECK,CHECK_NO_ORIGIN -DSHADOW_MASK=-105553116266497   --dump-input-context=100
2; RUN: opt < %s -dfsan -dfsan-track-origins=1  -S | FileCheck %s --check-prefixes=CHECK,CHECK_ORIGIN -DSHADOW_MASK=-105553116266497  --dump-input-context=100
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; CHECK: @__dfsan_arg_tls = external thread_local(initialexec) global [100 x i64]
7; CHECK: @__dfsan_retval_tls = external thread_local(initialexec) global [100 x i64]
8; CHECK: @__dfsan_arg_origin_tls = external thread_local(initialexec) global [200 x i32]
9; CHECK: @__dfsan_retval_origin_tls = external thread_local(initialexec) global i32
10; CHECK_NO_ORIGIN: @__dfsan_track_origins = weak_odr constant i32 0
11; CHECK_ORIGIN: @__dfsan_track_origins = weak_odr constant i32 1
12; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
13; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
14; CHECK: @__dfsan_shadow_ptr_mask = external global i64
15
16define i8 @load(i8* %p) {
17  ; CHECK-LABEL: define i8 @"dfs$load"
18  ; CHECK: and i64 {{.*}}, [[SHADOW_MASK]]
19  ; CHECK: ret i8 %a
20  %a = load i8, i8* %p
21  ret i8 %a
22}
23
24define void @store(i8* %p) {
25  ; CHECK-LABEL: define void @"dfs$store"
26  ; CHECK: and i64 {{.*}}, [[SHADOW_MASK]]
27  ; CHECK: ret void
28  store i8 0, i8* %p
29  ret void
30}
31
32; CHECK: declare void @__dfsan_load_callback(i[[#SBITS]], i8*)
33; CHECK: declare void @__dfsan_store_callback(i[[#SBITS]], i8*)
34; CHECK: declare void @__dfsan_mem_transfer_callback(i[[#SBITS]]*, i64)
35; CHECK: declare void @__dfsan_cmp_callback(i[[#SBITS]])
36
37; CHECK: ; Function Attrs: nounwind readonly
38; CHECK-NEXT: declare zeroext i[[#SBITS]] @__dfsan_union_load(i[[#SBITS]]*, i64)
39
40; CHECK: ; Function Attrs: nounwind readonly
41; CHECK-NEXT: declare zeroext i64 @__dfsan_load_label_and_origin(i8*, i64)
42
43; CHECK: declare void @__dfsan_unimplemented(i8*)
44; CHECK: declare void @__dfsan_set_label(i[[#SBITS]] zeroext, i32 zeroext, i8*, i64)
45; CHECK: declare void @__dfsan_nonzero_label()
46; CHECK: declare void @__dfsan_vararg_wrapper(i8*)
47; CHECK: declare zeroext i32 @__dfsan_chain_origin(i32 zeroext)
48; CHECK: declare zeroext i32 @__dfsan_chain_origin_if_tainted(i[[#SBITS]] zeroext, i32 zeroext)
49; CHECK: declare void @__dfsan_mem_origin_transfer(i8*, i8*, i64)
50; CHECK: declare void @__dfsan_maybe_store_origin(i[[#SBITS]] zeroext, i8*, i64, i32 zeroext)
51