xref: /llvm-project/llvm/test/Instrumentation/MemorySanitizer/overflow.ll (revision e72c949c15208ba3dd53a9cebfee02734965a678)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt %s -S -passes=msan 2>&1 | FileCheck %s
3
4target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7define {i64, i1} @test_sadd_with_overflow(i64 %a, i64 %b) #0 {
8; CHECK-LABEL: define { i64, i1 } @test_sadd_with_overflow(
9; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0:[0-9]+]] {
10; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
11; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
12; CHECK-NEXT:    call void @llvm.donothing()
13; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
14; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
15; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
16; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
17; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 [[A]], i64 [[B]])
18; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
19; CHECK-NEXT:    ret { i64, i1 } [[RES]]
20;
21  %res = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %a, i64 %b)
22  ret { i64, i1 } %res
23}
24
25define {i64, i1} @test_uadd_with_overflow(i64 %a, i64 %b) #0 {
26; CHECK-LABEL: define { i64, i1 } @test_uadd_with_overflow(
27; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] {
28; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
29; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
30; CHECK-NEXT:    call void @llvm.donothing()
31; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
32; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
33; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
34; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
35; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[A]], i64 [[B]])
36; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
37; CHECK-NEXT:    ret { i64, i1 } [[RES]]
38;
39  %res = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %a, i64 %b)
40  ret { i64, i1 } %res
41}
42
43define {i64, i1} @test_smul_with_overflow(i64 %a, i64 %b) #0 {
44; CHECK-LABEL: define { i64, i1 } @test_smul_with_overflow(
45; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] {
46; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
47; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
48; CHECK-NEXT:    call void @llvm.donothing()
49; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
50; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
51; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
52; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
53; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 [[A]], i64 [[B]])
54; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
55; CHECK-NEXT:    ret { i64, i1 } [[RES]]
56;
57  %res = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %a, i64 %b)
58  ret { i64, i1 } %res
59}
60define {i64, i1} @test_umul_with_overflow(i64 %a, i64 %b) #0 {
61; CHECK-LABEL: define { i64, i1 } @test_umul_with_overflow(
62; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] {
63; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
64; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
65; CHECK-NEXT:    call void @llvm.donothing()
66; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
67; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
68; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
69; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
70; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 [[A]], i64 [[B]])
71; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
72; CHECK-NEXT:    ret { i64, i1 } [[RES]]
73;
74  %res = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %a, i64 %b)
75  ret { i64, i1 } %res
76}
77define {i64, i1} @test_ssub_with_overflow(i64 %a, i64 %b) #0 {
78; CHECK-LABEL: define { i64, i1 } @test_ssub_with_overflow(
79; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] {
80; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
81; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
82; CHECK-NEXT:    call void @llvm.donothing()
83; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
84; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
85; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
86; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
87; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 [[A]], i64 [[B]])
88; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
89; CHECK-NEXT:    ret { i64, i1 } [[RES]]
90;
91  %res = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %a, i64 %b)
92  ret { i64, i1 } %res
93}
94define {i64, i1} @test_usub_with_overflow(i64 %a, i64 %b) #0 {
95; CHECK-LABEL: define { i64, i1 } @test_usub_with_overflow(
96; CHECK-SAME: i64 [[A:%.*]], i64 [[B:%.*]]) #[[ATTR0]] {
97; CHECK-NEXT:    [[TMP1:%.*]] = load i64, ptr @__msan_param_tls, align 8
98; CHECK-NEXT:    [[TMP2:%.*]] = load i64, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 8) to ptr), align 8
99; CHECK-NEXT:    call void @llvm.donothing()
100; CHECK-NEXT:    [[TMP3:%.*]] = or i64 [[TMP1]], [[TMP2]]
101; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP3]], 0
102; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { i64, i1 } poison, i64 [[TMP3]], 0
103; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { i64, i1 } [[TMP5]], i1 [[TMP4]], 1
104; CHECK-NEXT:    [[RES:%.*]] = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 [[A]], i64 [[B]])
105; CHECK-NEXT:    store { i64, i1 } [[TMP6]], ptr @__msan_retval_tls, align 8
106; CHECK-NEXT:    ret { i64, i1 } [[RES]]
107;
108  %res = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %a, i64 %b)
109  ret { i64, i1 } %res
110}
111
112define {<4 x i32>, <4 x i1>} @test_sadd_with_overflow_vec(<4 x i32> %a, <4 x i32> %b) #0 {
113; CHECK-LABEL: define { <4 x i32>, <4 x i1> } @test_sadd_with_overflow_vec(
114; CHECK-SAME: <4 x i32> [[A:%.*]], <4 x i32> [[B:%.*]]) #[[ATTR0]] {
115; CHECK-NEXT:    [[TMP1:%.*]] = load <4 x i32>, ptr @__msan_param_tls, align 8
116; CHECK-NEXT:    [[TMP2:%.*]] = load <4 x i32>, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__msan_param_tls to i64), i64 16) to ptr), align 8
117; CHECK-NEXT:    call void @llvm.donothing()
118; CHECK-NEXT:    [[TMP3:%.*]] = or <4 x i32> [[TMP1]], [[TMP2]]
119; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne <4 x i32> [[TMP3]], zeroinitializer
120; CHECK-NEXT:    [[TMP5:%.*]] = insertvalue { <4 x i32>, <4 x i1> } poison, <4 x i32> [[TMP3]], 0
121; CHECK-NEXT:    [[TMP6:%.*]] = insertvalue { <4 x i32>, <4 x i1> } [[TMP5]], <4 x i1> [[TMP4]], 1
122; CHECK-NEXT:    [[RES:%.*]] = call { <4 x i32>, <4 x i1> } @llvm.sadd.with.overflow.v4i32(<4 x i32> [[A]], <4 x i32> [[B]])
123; CHECK-NEXT:    store { <4 x i32>, <4 x i1> } [[TMP6]], ptr @__msan_retval_tls, align 8
124; CHECK-NEXT:    ret { <4 x i32>, <4 x i1> } [[RES]]
125;
126  %res = call { <4 x i32>, <4 x i1> } @llvm.sadd.with.overflow.v4i32(<4 x i32> %a, <4 x i32> %b)
127  ret { <4 x i32>, <4 x i1> } %res
128}
129
130attributes #0 = { sanitize_memory }
131