xref: /llvm-project/llvm/test/Instrumentation/DataFlowSanitizer/vector.ll (revision ecb85b5cd89f9797c538675ee3ab93e350c57bd5) 
1; RUN: opt < %s -passes=dfsan -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
5define <4 x i4> @pass_vector(<4 x i4> %v) {
6  ; CHECK-LABEL: @pass_vector.dfsan
7  ; CHECK-NEXT: %[[#REG:]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN:2]]
8  ; CHECK-NEXT: store i8 %[[#REG]], ptr @__dfsan_retval_tls, align [[ALIGN]]
9  ; CHECK-NEXT: ret <4 x i4> %v
10  ret <4 x i4> %v
11}
12
13define void @load_update_store_vector(ptr %p) {
14  ; CHECK-LABEL: @load_update_store_vector.dfsan
15  ; CHECK: {{.*}} = load i8, ptr @__dfsan_arg_tls, align 2
16
17  %v = load <4 x i4>, ptr %p
18  %e2 = extractelement <4 x i4> %v, i32 2
19  %v1 = insertelement <4 x i4> %v, i4 %e2, i32 0
20  store <4 x i4> %v1, ptr %p
21  ret void
22}
23
24define <4 x i1> @icmp_vector(<4 x i8> %a, <4 x i8> %b) {
25  ; CHECK-LABEL: @icmp_vector.dfsan
26  ; CHECK-NEXT: %[[B:.*]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN:2]]
27  ; CHECK-NEXT: %[[A:.*]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]]
28  ; CHECK:       %[[L:.*]] = or i8 %[[A]], %[[B]]
29
30  ; CHECK: %r = icmp eq <4 x i8> %a, %b
31  ; CHECK: store i8 %[[L]], ptr @__dfsan_retval_tls, align [[ALIGN]]
32  ; CHECK: ret <4 x i1> %r
33
34  %r = icmp eq <4 x i8> %a, %b
35  ret <4 x i1> %r
36}
37
38define <2 x i32> @const_vector() {
39  ; CHECK-LABEL: @const_vector.dfsan
40  ; CHECK-NEXT: store i8 0, ptr @__dfsan_retval_tls, align 2
41  ; CHECK-NEXT: ret <2 x i32> <i32 42, i32 11>
42
43  ret <2 x i32> < i32 42, i32 11 >
44}
45
46define <4 x i4> @call_vector(<4 x i4> %v) {
47  ; CHECK-LABEL: @call_vector.dfsan
48  ; CHECK-NEXT: %[[V:.*]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN:2]]
49  ; CHECK-NEXT: store i8 %[[V]], ptr @__dfsan_arg_tls, align [[ALIGN]]
50  ; CHECK-NEXT: %r = call <4 x i4> @pass_vector.dfsan(<4 x i4> %v)
51  ; CHECK-NEXT: %_dfsret = load i8, ptr @__dfsan_retval_tls, align [[ALIGN]]
52  ; CHECK-NEXT: store i8 %_dfsret, ptr @__dfsan_retval_tls, align [[ALIGN]]
53  ; CHECK-NEXT: ret <4 x i4> %r
54
55  %r = call <4 x i4> @pass_vector(<4 x i4> %v)
56  ret <4 x i4> %r
57}
58