1 ; RUN: opt < %s -dfsan -dfsan-event-callbacks=true -S | FileCheck %s --check-prefixes=CHECK,EVENT_CALLBACKS
2 ; RUN: opt < %s -dfsan -S | FileCheck %s --check-prefixes=CHECK,FAST
3 ; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-load=false -S | FileCheck %s --check-prefixes=CHECK,NO_COMBINE_LOAD_PTR
4 ; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-store=true -S | FileCheck %s --check-prefixes=CHECK,COMBINE_STORE_PTR
5 ; RUN: opt < %s -dfsan -dfsan-debug-nonzero-labels -S | FileCheck %s --check-prefixes=CHECK,DEBUG_NONZERO_LABELS
6 target 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"
7 target triple = "x86_64-unknown-linux-gnu"
9 ; CHECK: @__dfsan_arg_tls = external thread_local(initialexec) global [[TLS_ARR:\[100 x i64\]]]
10 ; CHECK: @__dfsan_retval_tls = external thread_local(initialexec) global [[TLS_ARR]]
11 ; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
12 ; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
14 define [4 x i8] @pass_array([4 x i8] %a) {
15 ; NO_COMBINE_LOAD_PTR: @pass_array.dfsan
16 ; NO_COMBINE_LOAD_PTR: %1 = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN:2]]
17 ; NO_COMBINE_LOAD_PTR: store [4 x i[[#SBITS]]] %1, [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
19 ; DEBUG_NONZERO_LABELS: @pass_array.dfsan
20 ; DEBUG_NONZERO_LABELS: [[L:%.*]] = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN:2]]
21 ; DEBUG_NONZERO_LABELS: [[L0:%.*]] = extractvalue [4 x i[[#SBITS]]] [[L]], 0
22 ; DEBUG_NONZERO_LABELS: [[L1:%.*]] = extractvalue [4 x i[[#SBITS]]] [[L]], 1
23 ; DEBUG_NONZERO_LABELS: [[L01:%.*]] = or i[[#SBITS]] [[L0]], [[L1]]
24 ; DEBUG_NONZERO_LABELS: [[L2:%.*]] = extractvalue [4 x i[[#SBITS]]] [[L]], 2
25 ; DEBUG_NONZERO_LABELS: [[L012:%.*]] = or i[[#SBITS]] [[L01]], [[L2]]
26 ; DEBUG_NONZERO_LABELS: [[L3:%.*]] = extractvalue [4 x i[[#SBITS]]] [[L]], 3
27 ; DEBUG_NONZERO_LABELS: [[L0123:%.*]] = or i[[#SBITS]] [[L012]], [[L3]]
28 ; DEBUG_NONZERO_LABELS: {{.*}} = icmp ne i[[#SBITS]] [[L0123]], 0
29 ; DEBUG_NONZERO_LABELS: call void @__dfsan_nonzero_label()
34 %ArrayOfStruct = type [4 x {i8*, i32}]
36 define %ArrayOfStruct @pass_array_of_struct(%ArrayOfStruct %as) {
37 ; NO_COMBINE_LOAD_PTR: @pass_array_of_struct.dfsan
38 ; NO_COMBINE_LOAD_PTR: %1 = load [4 x { i[[#SBITS]], i[[#SBITS]] }], [4 x { i[[#SBITS]], i[[#SBITS]] }]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x { i[[#SBITS]], i[[#SBITS]] }]*), align [[ALIGN:2]]
39 ; NO_COMBINE_LOAD_PTR: store [4 x { i[[#SBITS]], i[[#SBITS]] }] %1, [4 x { i[[#SBITS]], i[[#SBITS]] }]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x { i[[#SBITS]], i[[#SBITS]] }]*), align [[ALIGN]]
41 ret %ArrayOfStruct %as
44 define [4 x i1]* @alloca_ret_array() {
45 ; NO_COMBINE_LOAD_PTR: @alloca_ret_array.dfsan
46 ; NO_COMBINE_LOAD_PTR: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
51 define [4 x i1] @load_alloca_array() {
52 ; NO_COMBINE_LOAD_PTR-LABEL: @load_alloca_array.dfsan
53 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R:]] = alloca i[[#SBITS]], align [[#SBYTES]]
54 ; NO_COMBINE_LOAD_PTR-NEXT: %p = alloca [4 x i1]
55 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R+1]] = load i[[#SBITS]], i[[#SBITS]]* %[[#R]], align [[#SBYTES]]
56 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R+2]] = insertvalue [4 x i[[#SBITS]]] undef, i[[#SBITS]] %[[#R+1]], 0
57 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R+3]] = insertvalue [4 x i[[#SBITS]]] %[[#R+2]], i[[#SBITS]] %[[#R+1]], 1
58 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R+4]] = insertvalue [4 x i[[#SBITS]]] %[[#R+3]], i[[#SBITS]] %[[#R+1]], 2
59 ; NO_COMBINE_LOAD_PTR-NEXT: %[[#R+5]] = insertvalue [4 x i[[#SBITS]]] %[[#R+4]], i[[#SBITS]] %[[#R+1]], 3
60 ; NO_COMBINE_LOAD_PTR-NEXT: %a = load [4 x i1], [4 x i1]* %p
61 ; NO_COMBINE_LOAD_PTR-NEXT: store [4 x i[[#SBITS]]] %[[#R+5]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align 2
62 ; NO_COMBINE_LOAD_PTR-NEXT: ret [4 x i1] %a
65 %a = load [4 x i1], [4 x i1]* %p
69 define [0 x i1] @load_array0([0 x i1]* %p) {
70 ; NO_COMBINE_LOAD_PTR: @load_array0.dfsan
71 ; NO_COMBINE_LOAD_PTR: store [0 x i[[#SBITS]]] zeroinitializer, [0 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [0 x i[[#SBITS]]]*), align 2
72 %a = load [0 x i1], [0 x i1]* %p
76 define [1 x i1] @load_array1([1 x i1]* %p) {
77 ; NO_COMBINE_LOAD_PTR: @load_array1.dfsan
78 ; NO_COMBINE_LOAD_PTR: [[L:%.*]] = load i[[#SBITS]],
79 ; NO_COMBINE_LOAD_PTR: [[S:%.*]] = insertvalue [1 x i[[#SBITS]]] undef, i[[#SBITS]] [[L]], 0
80 ; NO_COMBINE_LOAD_PTR: store [1 x i[[#SBITS]]] [[S]], [1 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [1 x i[[#SBITS]]]*), align 2
82 ; EVENT_CALLBACKS: @load_array1.dfsan
83 ; EVENT_CALLBACKS: [[L:%.*]] = or i[[#SBITS]]
84 ; EVENT_CALLBACKS: call void @__dfsan_load_callback(i[[#SBITS]] [[L]], i8* {{.*}})
86 ; FAST: @load_array1.dfsan
87 ; FAST: [[P:%.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]]
88 ; FAST: [[L:%.*]] = load i[[#SBITS]], i[[#SBITS]]* {{.*}}, align [[#SBYTES]]
89 ; FAST: [[U:%.*]] = or i[[#SBITS]] [[L]], [[P]]
90 ; FAST: [[S1:%.*]] = insertvalue [1 x i[[#SBITS]]] undef, i[[#SBITS]] [[U]], 0
91 ; FAST: store [1 x i[[#SBITS]]] [[S1]], [1 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [1 x i[[#SBITS]]]*), align [[ALIGN]]
93 %a = load [1 x i1], [1 x i1]* %p
97 define [2 x i1] @load_array2([2 x i1]* %p) {
98 ; NO_COMBINE_LOAD_PTR: @load_array2.dfsan
99 ; NO_COMBINE_LOAD_PTR: [[P1:%.*]] = getelementptr i[[#SBITS]], i[[#SBITS]]* [[P0:%.*]], i64 1
100 ; NO_COMBINE_LOAD_PTR-DAG: [[E1:%.*]] = load i[[#SBITS]], i[[#SBITS]]* [[P1]], align [[#SBYTES]]
101 ; NO_COMBINE_LOAD_PTR-DAG: [[E0:%.*]] = load i[[#SBITS]], i[[#SBITS]]* [[P0]], align [[#SBYTES]]
102 ; NO_COMBINE_LOAD_PTR: [[U:%.*]] = or i[[#SBITS]] [[E0]], [[E1]]
103 ; NO_COMBINE_LOAD_PTR: [[S1:%.*]] = insertvalue [2 x i[[#SBITS]]] undef, i[[#SBITS]] [[U]], 0
104 ; NO_COMBINE_LOAD_PTR: [[S2:%.*]] = insertvalue [2 x i[[#SBITS]]] [[S1]], i[[#SBITS]] [[U]], 1
105 ; NO_COMBINE_LOAD_PTR: store [2 x i[[#SBITS]]] [[S2]], [2 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [2 x i[[#SBITS]]]*), align [[ALIGN:2]]
107 ; EVENT_CALLBACKS: @load_array2.dfsan
108 ; EVENT_CALLBACKS: [[O1:%.*]] = or i[[#SBITS]]
109 ; EVENT_CALLBACKS: [[O2:%.*]] = or i[[#SBITS]] [[O1]]
110 ; EVENT_CALLBACKS: call void @__dfsan_load_callback(i[[#SBITS]] [[O2]], i8* {{.*}})
112 ; FAST: @load_array2.dfsan
113 ; FAST: [[P:%.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]]
114 ; FAST: [[O:%.*]] = or i[[#SBITS]]
115 ; FAST: [[U:%.*]] = or i[[#SBITS]] [[O]], [[P]]
116 ; FAST: [[S:%.*]] = insertvalue [2 x i[[#SBITS]]] undef, i[[#SBITS]] [[U]], 0
117 ; FAST: [[S1:%.*]] = insertvalue [2 x i[[#SBITS]]] [[S]], i[[#SBITS]] [[U]], 1
118 ; FAST: store [2 x i[[#SBITS]]] [[S1]], [2 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [2 x i[[#SBITS]]]*), align [[ALIGN]]
119 %a = load [2 x i1], [2 x i1]* %p
123 define [4 x i1] @load_array4([4 x i1]* %p) {
124 ; NO_COMBINE_LOAD_PTR: @load_array4.dfsan
125 ; NO_COMBINE_LOAD_PTR: [[T:%.*]] = trunc i[[#mul(4, SBITS)]] {{.*}} to i[[#SBITS]]
126 ; NO_COMBINE_LOAD_PTR: [[S1:%.*]] = insertvalue [4 x i[[#SBITS]]] undef, i[[#SBITS]] [[T]], 0
127 ; NO_COMBINE_LOAD_PTR: [[S2:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S1]], i[[#SBITS]] [[T]], 1
128 ; NO_COMBINE_LOAD_PTR: [[S3:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S2]], i[[#SBITS]] [[T]], 2
129 ; NO_COMBINE_LOAD_PTR: [[S4:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S3]], i[[#SBITS]] [[T]], 3
130 ; NO_COMBINE_LOAD_PTR: store [4 x i[[#SBITS]]] [[S4]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align 2
132 ; EVENT_CALLBACKS: @load_array4.dfsan
133 ; EVENT_CALLBACKS: [[O0:%.*]] = or i[[#mul(4, SBITS)]]
134 ; EVENT_CALLBACKS: [[O1:%.*]] = or i[[#mul(4, SBITS)]] [[O0]]
135 ; EVENT_CALLBACKS: [[O2:%.*]] = trunc i[[#mul(4, SBITS)]] [[O1]] to i[[#SBITS]]
136 ; EVENT_CALLBACKS: [[O3:%.*]] = or i[[#SBITS]] [[O2]]
137 ; EVENT_CALLBACKS: call void @__dfsan_load_callback(i[[#SBITS]] [[O3]], i8* {{.*}})
139 ; FAST: @load_array4.dfsan
140 ; FAST: [[T:%.*]] = trunc i[[#mul(4, SBITS)]] {{.*}} to i[[#SBITS]]
141 ; FAST: [[O:%.*]] = or i[[#SBITS]] [[T]]
142 ; FAST: [[S1:%.*]] = insertvalue [4 x i[[#SBITS]]] undef, i[[#SBITS]] [[O]], 0
143 ; FAST: [[S2:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S1]], i[[#SBITS]] [[O]], 1
144 ; FAST: [[S3:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S2]], i[[#SBITS]] [[O]], 2
145 ; FAST: [[S4:%.*]] = insertvalue [4 x i[[#SBITS]]] [[S3]], i[[#SBITS]] [[O]], 3
146 ; FAST: store [4 x i[[#SBITS]]] [[S4]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align 2
148 %a = load [4 x i1], [4 x i1]* %p
152 define i1 @extract_array([4 x i1] %a) {
153 ; NO_COMBINE_LOAD_PTR: @extract_array.dfsan
154 ; NO_COMBINE_LOAD_PTR: [[AM:%.*]] = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN:2]]
155 ; NO_COMBINE_LOAD_PTR: [[EM:%.*]] = extractvalue [4 x i[[#SBITS]]] [[AM]], 2
156 ; NO_COMBINE_LOAD_PTR: store i[[#SBITS]] [[EM]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
157 %e2 = extractvalue [4 x i1] %a, 2
161 define [4 x i1] @insert_array([4 x i1] %a, i1 %e2) {
162 ; NO_COMBINE_LOAD_PTR: @insert_array.dfsan
163 ; NO_COMBINE_LOAD_PTR: [[EM:%.*]] = load i[[#SBITS]], i[[#SBITS]]*
164 ; NO_COMBINE_LOAD_PTR-SAME: inttoptr (i64 add (i64 ptrtoint ([[TLS_ARR]]* @__dfsan_arg_tls to i64), i64 [[#mul(4, SBYTES)]]) to i[[#SBITS]]*), align [[ALIGN:2]]
165 ; NO_COMBINE_LOAD_PTR: [[AM:%.*]] = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
166 ; NO_COMBINE_LOAD_PTR: [[AM1:%.*]] = insertvalue [4 x i[[#SBITS]]] [[AM]], i[[#SBITS]] [[EM]], 0
167 ; NO_COMBINE_LOAD_PTR: store [4 x i[[#SBITS]]] [[AM1]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
168 %a1 = insertvalue [4 x i1] %a, i1 %e2, 0
172 define void @store_alloca_array([4 x i1] %a) {
173 ; FAST: @store_alloca_array.dfsan
174 ; FAST: [[S:%.*]] = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN:2]]
175 ; FAST: [[SP:%.*]] = alloca i[[#SBITS]], align [[#SBYTES]]
176 ; FAST: [[E0:%.*]] = extractvalue [4 x i[[#SBITS]]] [[S]], 0
177 ; FAST: [[E1:%.*]] = extractvalue [4 x i[[#SBITS]]] [[S]], 1
178 ; FAST: [[E01:%.*]] = or i[[#SBITS]] [[E0]], [[E1]]
179 ; FAST: [[E2:%.*]] = extractvalue [4 x i[[#SBITS]]] [[S]], 2
180 ; FAST: [[E012:%.*]] = or i[[#SBITS]] [[E01]], [[E2]]
181 ; FAST: [[E3:%.*]] = extractvalue [4 x i[[#SBITS]]] [[S]], 3
182 ; FAST: [[E0123:%.*]] = or i[[#SBITS]] [[E012]], [[E3]]
183 ; FAST: store i[[#SBITS]] [[E0123]], i[[#SBITS]]* [[SP]], align [[#SBYTES]]
185 store [4 x i1] %a, [4 x i1]* %p
189 define void @store_zero_array([4 x i1]* %p) {
190 ; FAST: @store_zero_array.dfsan
191 ; FAST: store i[[#mul(4, SBITS)]] 0, i[[#mul(4, SBITS)]]* {{.*}}
192 store [4 x i1] zeroinitializer, [4 x i1]* %p
196 define void @store_array2([2 x i1] %a, [2 x i1]* %p) {
197 ; EVENT_CALLBACKS: @store_array2.dfsan
198 ; EVENT_CALLBACKS: [[E12:%.*]] = or i[[#SBITS]]
199 ; EVENT_CALLBACKS: [[P:%.*]] = bitcast [2 x i1]* %p to i8*
200 ; EVENT_CALLBACKS: call void @__dfsan_store_callback(i[[#SBITS]] [[E12]], i8* [[P]])
202 ; FAST: @store_array2.dfsan
203 ; FAST: [[S:%.*]] = load [2 x i[[#SBITS]]], [2 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [2 x i[[#SBITS]]]*), align [[ALIGN:2]]
204 ; FAST: [[E1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[S]], 0
205 ; FAST: [[E2:%.*]] = extractvalue [2 x i[[#SBITS]]] [[S]], 1
206 ; FAST: [[E12:%.*]] = or i[[#SBITS]] [[E1]], [[E2]]
207 ; FAST: [[SP0:%.*]] = getelementptr i[[#SBITS]], i[[#SBITS]]* [[SP:%.*]], i32 0
208 ; FAST: store i[[#SBITS]] [[E12]], i[[#SBITS]]* [[SP0]], align [[#SBYTES]]
209 ; FAST: [[SP1:%.*]] = getelementptr i[[#SBITS]], i[[#SBITS]]* [[SP]], i32 1
210 ; FAST: store i[[#SBITS]] [[E12]], i[[#SBITS]]* [[SP1]], align [[#SBYTES]]
212 ; COMBINE_STORE_PTR: @store_array2.dfsan
213 ; COMBINE_STORE_PTR: [[O:%.*]] = or i[[#SBITS]]
214 ; COMBINE_STORE_PTR: [[U:%.*]] = or i[[#SBITS]] [[O]]
215 ; COMBINE_STORE_PTR: [[P1:%.*]] = getelementptr i[[#SBITS]], i[[#SBITS]]* [[P:%.*]], i32 0
216 ; COMBINE_STORE_PTR: store i[[#SBITS]] [[U]], i[[#SBITS]]* [[P1]], align [[#SBYTES]]
217 ; COMBINE_STORE_PTR: [[P2:%.*]] = getelementptr i[[#SBITS]], i[[#SBITS]]* [[P]], i32 1
218 ; COMBINE_STORE_PTR: store i[[#SBITS]] [[U]], i[[#SBITS]]* [[P2]], align [[#SBYTES]]
220 store [2 x i1] %a, [2 x i1]* %p
224 define void @store_array17([17 x i1] %a, [17 x i1]* %p) {
225 ; FAST: @store_array17.dfsan
226 ; FAST: %[[#R:]] = load [17 x i[[#SBITS]]], [17 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [17 x i[[#SBITS]]]*), align 2
227 ; FAST: %[[#R+1]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 0
228 ; FAST: %[[#R+2]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 1
229 ; FAST: %[[#R+3]] = or i[[#SBITS]] %[[#R+1]], %[[#R+2]]
230 ; FAST: %[[#R+4]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 2
231 ; FAST: %[[#R+5]] = or i[[#SBITS]] %[[#R+3]], %[[#R+4]]
232 ; FAST: %[[#R+6]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 3
233 ; FAST: %[[#R+7]] = or i[[#SBITS]] %[[#R+5]], %[[#R+6]]
234 ; FAST: %[[#R+8]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 4
235 ; FAST: %[[#R+9]] = or i[[#SBITS]] %[[#R+7]], %[[#R+8]]
236 ; FAST: %[[#R+10]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 5
237 ; FAST: %[[#R+11]] = or i[[#SBITS]] %[[#R+9]], %[[#R+10]]
238 ; FAST: %[[#R+12]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 6
239 ; FAST: %[[#R+13]] = or i[[#SBITS]] %[[#R+11]], %[[#R+12]]
240 ; FAST: %[[#R+14]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 7
241 ; FAST: %[[#R+15]] = or i[[#SBITS]] %[[#R+13]], %[[#R+14]]
242 ; FAST: %[[#R+16]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 8
243 ; FAST: %[[#R+17]] = or i[[#SBITS]] %[[#R+15]], %[[#R+16]]
244 ; FAST: %[[#R+18]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 9
245 ; FAST: %[[#R+19]] = or i[[#SBITS]] %[[#R+17]], %[[#R+18]]
246 ; FAST: %[[#R+20]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 10
247 ; FAST: %[[#R+21]] = or i[[#SBITS]] %[[#R+19]], %[[#R+20]]
248 ; FAST: %[[#R+22]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 11
249 ; FAST: %[[#R+23]] = or i[[#SBITS]] %[[#R+21]], %[[#R+22]]
250 ; FAST: %[[#R+24]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 12
251 ; FAST: %[[#R+25]] = or i[[#SBITS]] %[[#R+23]], %[[#R+24]]
252 ; FAST: %[[#R+26]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 13
253 ; FAST: %[[#R+27]] = or i[[#SBITS]] %[[#R+25]], %[[#R+26]]
254 ; FAST: %[[#R+28]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 14
255 ; FAST: %[[#R+29]] = or i[[#SBITS]] %[[#R+27]], %[[#R+28]]
256 ; FAST: %[[#R+30]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 15
257 ; FAST: %[[#R+31]] = or i[[#SBITS]] %[[#R+29]], %[[#R+30]]
258 ; FAST: %[[#R+32]] = extractvalue [17 x i[[#SBITS]]] %[[#R]], 16
259 ; FAST: %[[#R+33]] = or i[[#SBITS]] %[[#R+31]], %[[#R+32]]
260 ; FAST: %[[#VREG:]] = insertelement <8 x i[[#SBITS]]> undef, i[[#SBITS]] %[[#R+33]], i32 0
261 ; FAST: %[[#VREG+1]] = insertelement <8 x i[[#SBITS]]> %[[#VREG]], i[[#SBITS]] %[[#R+33]], i32 1
262 ; FAST: %[[#VREG+2]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+1]], i[[#SBITS]] %[[#R+33]], i32 2
263 ; FAST: %[[#VREG+3]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+2]], i[[#SBITS]] %[[#R+33]], i32 3
264 ; FAST: %[[#VREG+4]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+3]], i[[#SBITS]] %[[#R+33]], i32 4
265 ; FAST: %[[#VREG+5]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+4]], i[[#SBITS]] %[[#R+33]], i32 5
266 ; FAST: %[[#VREG+6]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+5]], i[[#SBITS]] %[[#R+33]], i32 6
267 ; FAST: %[[#VREG+7]] = insertelement <8 x i[[#SBITS]]> %[[#VREG+6]], i[[#SBITS]] %[[#R+33]], i32 7
268 ; FAST: %[[#VREG+8]] = bitcast i[[#SBITS]]* %[[P:.*]] to <8 x i[[#SBITS]]>*
269 ; FAST: %[[#VREG+9]] = getelementptr <8 x i[[#SBITS]]>, <8 x i[[#SBITS]]>* %[[#VREG+8]], i32 0
270 ; FAST: store <8 x i[[#SBITS]]> %[[#VREG+7]], <8 x i[[#SBITS]]>* %[[#VREG+9]], align [[#SBYTES]]
271 ; FAST: %[[#VREG+10]] = getelementptr <8 x i[[#SBITS]]>, <8 x i[[#SBITS]]>* %[[#VREG+8]], i32 1
272 ; FAST: store <8 x i[[#SBITS]]> %[[#VREG+7]], <8 x i[[#SBITS]]>* %[[#VREG+10]], align [[#SBYTES]]
273 ; FAST: %[[#VREG+11]] = getelementptr i[[#SBITS]], i[[#SBITS]]* %[[P]], i32 16
274 ; FAST: store i[[#SBITS]] %[[#R+33]], i[[#SBITS]]* %[[#VREG+11]], align [[#SBYTES]]
275 store [17 x i1] %a, [17 x i1]* %p
279 define [2 x i32] @const_array() {
280 ; FAST: @const_array.dfsan
281 ; FAST: store [2 x i[[#SBITS]]] zeroinitializer, [2 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [2 x i[[#SBITS]]]*), align 2
282 ret [2 x i32] [ i32 42, i32 11 ]
285 define [4 x i8] @call_array([4 x i8] %a) {
286 ; FAST-LABEL: @call_array.dfsan
287 ; FAST: %[[#R:]] = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN:2]]
288 ; FAST: store [4 x i[[#SBITS]]] %[[#R]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
289 ; FAST: %_dfsret = load [4 x i[[#SBITS]]], [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
290 ; FAST: store [4 x i[[#SBITS]]] %_dfsret, [4 x i[[#SBITS]]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to [4 x i[[#SBITS]]]*), align [[ALIGN]]
292 %r = call [4 x i8] @pass_array([4 x i8] %a)
296 %LargeArr = type [1000 x i8]
298 define i8 @fun_with_large_args(i1 %i, %LargeArr %a) {
299 ; FAST: @fun_with_large_args.dfsan
300 ; FAST: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
301 %r = extractvalue %LargeArr %a, 0
305 define %LargeArr @fun_with_large_ret() {
306 ; FAST: @fun_with_large_ret.dfsan
307 ; FAST-NEXT: ret [1000 x i8] zeroinitializer
308 ret %LargeArr zeroinitializer
311 define i8 @call_fun_with_large_ret() {
312 ; FAST: @call_fun_with_large_ret.dfsan
313 ; FAST: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
314 %r = call %LargeArr @fun_with_large_ret()
315 %e = extractvalue %LargeArr %r, 0
319 define i8 @call_fun_with_large_args(i1 %i, %LargeArr %a) {
320 ; FAST: @call_fun_with_large_args.dfsan
321 ; FAST: [[I:%.*]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN:2]]
322 ; FAST: store i[[#SBITS]] [[I]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align [[ALIGN]]
323 ; FAST: %r = call i8 @fun_with_large_args.dfsan(i1 %i, [1000 x i8] %a)
325 %r = call i8 @fun_with_large_args(i1 %i, %LargeArr %a)