1 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4
2 ; RUN: opt -passes='print<access-info>' -disable-output %s 2>&1 | FileCheck %s
4 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
6 declare void @llvm.assume(i1)
8 ; FIXME: Currently we check all accesses to the same underlying objects, but
9 ; it is sufficient to check the accesses to %A.
10 define void @test_dependence_with_non_constant_offset_and_other_accesses_to_noalias_pointers(ptr %A, ptr noalias %B, i64 %off) {
11 ; CHECK-LABEL: 'test_dependence_with_non_constant_offset_and_other_accesses_to_noalias_pointers'
13 ; CHECK-NEXT: Memory dependences are safe with run-time checks
14 ; CHECK-NEXT: Dependences:
15 ; CHECK-NEXT: Run-time memory checks:
16 ; CHECK-NEXT: Check 0:
17 ; CHECK-NEXT: Comparing group ([[GRP1:0x[0-9a-f]+]]):
18 ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
19 ; CHECK-NEXT: Against group ([[GRP2:0x[0-9a-f]+]]):
20 ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv
21 ; CHECK-NEXT: Check 1:
22 ; CHECK-NEXT: Comparing group ([[GRP3:0x[0-9a-f]+]]):
23 ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
24 ; CHECK-NEXT: Against group ([[GRP4:0x[0-9a-f]+]]):
25 ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next
26 ; CHECK-NEXT: Grouped accesses:
27 ; CHECK-NEXT: Group [[GRP1]]:
28 ; CHECK-NEXT: (Low: (%off + %A) High: (404 + %off + %A))
29 ; CHECK-NEXT: Member: {(%off + %A),+,4}<nw><%loop>
30 ; CHECK-NEXT: Group [[GRP2]]:
31 ; CHECK-NEXT: (Low: %A High: (101 + %A))
32 ; CHECK-NEXT: Member: {%A,+,1}<nuw><%loop>
33 ; CHECK-NEXT: Group [[GRP3]]:
34 ; CHECK-NEXT: (Low: %B High: (101 + %B))
35 ; CHECK-NEXT: Member: {%B,+,1}<nuw><%loop>
36 ; CHECK-NEXT: Group [[GRP4]]:
37 ; CHECK-NEXT: (Low: (1 + %B)<nuw> High: (102 + %B))
38 ; CHECK-NEXT: Member: {(1 + %B)<nuw>,+,1}<nuw><%loop>
40 ; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
41 ; CHECK-NEXT: SCEV assumptions:
43 ; CHECK-NEXT: Expressions re-written:
46 %c = icmp sgt i64 %off, 0
47 call void @llvm.assume(i1 %c)
48 %A.off = getelementptr inbounds i8, ptr %A, i64 %off
52 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
53 %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
54 %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv
55 %l = load i8, ptr %gep.A, align 1
56 %ext = zext i8 %l to i32
57 store i32 %ext, ptr %gep.A.400, align 4
58 %iv.next = add nuw nsw i64 %iv, 1
59 %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next
60 %l.2 = load i8, ptr %gep.B.1
61 %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
62 store i8 %l.2, ptr %gep.B
63 %ec = icmp eq i64 %iv, 100
64 br i1 %ec, label %exit, label %loop
70 define void @test_dependence_with_non_constant_offset_and_other_accesses_to_mayalias_pointers(ptr %A, ptr %B, i64 %off) {
71 ; CHECK-LABEL: 'test_dependence_with_non_constant_offset_and_other_accesses_to_mayalias_pointers'
73 ; CHECK-NEXT: Memory dependences are safe with run-time checks
74 ; CHECK-NEXT: Dependences:
75 ; CHECK-NEXT: Run-time memory checks:
76 ; CHECK-NEXT: Check 0:
77 ; CHECK-NEXT: Comparing group ([[GRP5:0x[0-9a-f]+]]):
78 ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
79 ; CHECK-NEXT: Against group ([[GRP6:0x[0-9a-f]+]]):
80 ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
81 ; CHECK-NEXT: Check 1:
82 ; CHECK-NEXT: Comparing group ([[GRP5]]):
83 ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
84 ; CHECK-NEXT: Against group ([[GRP7:0x[0-9a-f]+]]):
85 ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv
86 ; CHECK-NEXT: Check 2:
87 ; CHECK-NEXT: Comparing group ([[GRP5]]):
88 ; CHECK-NEXT: %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
89 ; CHECK-NEXT: Against group ([[GRP8:0x[0-9a-f]+]]):
90 ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next
91 ; CHECK-NEXT: Check 3:
92 ; CHECK-NEXT: Comparing group ([[GRP6]]):
93 ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
94 ; CHECK-NEXT: Against group ([[GRP7]]):
95 ; CHECK-NEXT: %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv
96 ; CHECK-NEXT: Check 4:
97 ; CHECK-NEXT: Comparing group ([[GRP6]]):
98 ; CHECK-NEXT: %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
99 ; CHECK-NEXT: Against group ([[GRP8]]):
100 ; CHECK-NEXT: %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next
101 ; CHECK-NEXT: Grouped accesses:
102 ; CHECK-NEXT: Group [[GRP5]]:
103 ; CHECK-NEXT: (Low: (%off + %A) High: (404 + %off + %A))
104 ; CHECK-NEXT: Member: {(%off + %A),+,4}<nw><%loop>
105 ; CHECK-NEXT: Group [[GRP6]]:
106 ; CHECK-NEXT: (Low: %B High: (101 + %B))
107 ; CHECK-NEXT: Member: {%B,+,1}<nuw><%loop>
108 ; CHECK-NEXT: Group [[GRP7]]:
109 ; CHECK-NEXT: (Low: %A High: (101 + %A))
110 ; CHECK-NEXT: Member: {%A,+,1}<nuw><%loop>
111 ; CHECK-NEXT: Group [[GRP8]]:
112 ; CHECK-NEXT: (Low: (1 + %B)<nuw> High: (102 + %B))
113 ; CHECK-NEXT: Member: {(1 + %B)<nuw>,+,1}<nuw><%loop>
115 ; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
116 ; CHECK-NEXT: SCEV assumptions:
118 ; CHECK-NEXT: Expressions re-written:
121 %c = icmp sgt i64 %off, 0
122 call void @llvm.assume(i1 %c)
123 %A.off = getelementptr inbounds i8, ptr %A, i64 %off
127 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
128 %gep.A.400 = getelementptr inbounds i32, ptr %A.off, i64 %iv
129 %gep.A = getelementptr inbounds i8, ptr %A, i64 %iv
130 %l = load i8, ptr %gep.A, align 1
131 %ext = zext i8 %l to i32
132 store i32 %ext, ptr %gep.A.400, align 4
133 %iv.next = add nuw nsw i64 %iv, 1
134 %gep.B.1 = getelementptr inbounds i8, ptr %B, i64 %iv.next
135 %l.2 = load i8, ptr %gep.B.1
136 %gep.B = getelementptr inbounds i8, ptr %B, i64 %iv
137 store i8 %l.2, ptr %gep.B
138 %ec = icmp eq i64 %iv, 100
139 br i1 %ec, label %exit, label %loop