gep-vector.ll
6.35 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -instcombine %s -S | FileCheck %s
@block = global [64 x [8192 x i8]] zeroinitializer, align 1
define <2 x i8*> @vectorindex1() {
; CHECK-LABEL: @vectorindex1(
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 1, i64 2>, <2 x i64> zeroinitializer)
;
%1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, <2 x i64> <i64 0, i64 1>, i64 8192
ret <2 x i8*> %1
}
define <2 x i8*> @vectorindex2() {
; CHECK-LABEL: @vectorindex2(
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 1, i64 2>, <2 x i64> <i64 8191, i64 1>)
;
%1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, i64 1, <2 x i64> <i64 8191, i64 8193>
ret <2 x i8*> %1
}
define <2 x i8*> @vectorindex3() {
; CHECK-LABEL: @vectorindex3(
; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 0, i64 2>, <2 x i64> <i64 8191, i64 1>)
;
%1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, <2 x i64> <i64 0, i64 1>, <2 x i64> <i64 8191, i64 8193>
ret <2 x i8*> %1
}
; Negative test - datalayout's alloc size for the 2 types must match.
define i32* @bitcast_vec_to_array_gep(<7 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_gep(
; CHECK-NEXT: [[ARR_PTR:%.*]] = bitcast <7 x i32>* [[X:%.*]] to [7 x i32]*
; CHECK-NEXT: [[GEP:%.*]] = getelementptr [7 x i32], [7 x i32]* [[ARR_PTR]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32* [[GEP]]
;
%arr_ptr = bitcast <7 x i32>* %x to [7 x i32]*
%gep = getelementptr [7 x i32], [7 x i32]* %arr_ptr, i64 %y, i64 %z
ret i32* %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define i32* @bitcast_array_to_vec_gep([3 x i32]* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_array_to_vec_gep(
; CHECK-NEXT: [[VEC_PTR:%.*]] = bitcast [3 x i32]* [[X:%.*]] to <3 x i32>*
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds <3 x i32>, <3 x i32>* [[VEC_PTR]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32* [[GEP]]
;
%vec_ptr = bitcast [3 x i32]* %x to <3 x i32>*
%gep = getelementptr inbounds <3 x i32>, <3 x i32>* %vec_ptr, i64 %y, i64 %z
ret i32* %gep
}
; Sizes and types match - safe to remove bitcast.
define i32* @bitcast_vec_to_array_gep_matching_alloc_size(<4 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_gep_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr <4 x i32>, <4 x i32>* [[X:%.*]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32* [[GEP]]
;
%arr_ptr = bitcast <4 x i32>* %x to [4 x i32]*
%gep = getelementptr [4 x i32], [4 x i32]* %arr_ptr, i64 %y, i64 %z
ret i32* %gep
}
; Sizes and types match - safe to remove bitcast.
define i32* @bitcast_array_to_vec_gep_matching_alloc_size([4 x i32]* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_array_to_vec_gep_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [4 x i32], [4 x i32]* [[X:%.*]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32* [[GEP]]
;
%vec_ptr = bitcast [4 x i32]* %x to <4 x i32>*
%gep = getelementptr inbounds <4 x i32>, <4 x i32>* %vec_ptr, i64 %y, i64 %z
ret i32* %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define i32 addrspace(3)* @bitcast_vec_to_array_addrspace(<7 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_addrspace(
; CHECK-NEXT: [[ARR_PTR:%.*]] = bitcast <7 x i32>* [[X:%.*]] to [7 x i32]*
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast [7 x i32]* [[ARR_PTR]] to [7 x i32] addrspace(3)*
; CHECK-NEXT: [[GEP:%.*]] = getelementptr [7 x i32], [7 x i32] addrspace(3)* [[ASC]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32 addrspace(3)* [[GEP]]
;
%arr_ptr = bitcast <7 x i32>* %x to [7 x i32]*
%asc = addrspacecast [7 x i32]* %arr_ptr to [7 x i32] addrspace(3)*
%gep = getelementptr [7 x i32], [7 x i32] addrspace(3)* %asc, i64 %y, i64 %z
ret i32 addrspace(3)* %gep
}
; Negative test - datalayout's alloc size for the 2 types must match.
define i32 addrspace(3)* @inbounds_bitcast_vec_to_array_addrspace(<7 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @inbounds_bitcast_vec_to_array_addrspace(
; CHECK-NEXT: [[ARR_PTR:%.*]] = bitcast <7 x i32>* [[X:%.*]] to [7 x i32]*
; CHECK-NEXT: [[ASC:%.*]] = addrspacecast [7 x i32]* [[ARR_PTR]] to [7 x i32] addrspace(3)*
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [7 x i32], [7 x i32] addrspace(3)* [[ASC]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: ret i32 addrspace(3)* [[GEP]]
;
%arr_ptr = bitcast <7 x i32>* %x to [7 x i32]*
%asc = addrspacecast [7 x i32]* %arr_ptr to [7 x i32] addrspace(3)*
%gep = getelementptr inbounds [7 x i32], [7 x i32] addrspace(3)* %asc, i64 %y, i64 %z
ret i32 addrspace(3)* %gep
}
; Sizes and types match - safe to remove bitcast.
define i32 addrspace(3)* @bitcast_vec_to_array_addrspace_matching_alloc_size(<4 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @bitcast_vec_to_array_addrspace_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr <4 x i32>, <4 x i32>* [[X:%.*]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = addrspacecast i32* [[GEP]] to i32 addrspace(3)*
; CHECK-NEXT: ret i32 addrspace(3)* [[TMP1]]
;
%arr_ptr = bitcast <4 x i32>* %x to [4 x i32]*
%asc = addrspacecast [4 x i32]* %arr_ptr to [4 x i32] addrspace(3)*
%gep = getelementptr [4 x i32], [4 x i32] addrspace(3)* %asc, i64 %y, i64 %z
ret i32 addrspace(3)* %gep
}
; Sizes and types match - safe to remove bitcast.
define i32 addrspace(3)* @inbounds_bitcast_vec_to_array_addrspace_matching_alloc_size(<4 x i32>* %x, i64 %y, i64 %z) {
; CHECK-LABEL: @inbounds_bitcast_vec_to_array_addrspace_matching_alloc_size(
; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds <4 x i32>, <4 x i32>* [[X:%.*]], i64 [[Y:%.*]], i64 [[Z:%.*]]
; CHECK-NEXT: [[TMP1:%.*]] = addrspacecast i32* [[GEP]] to i32 addrspace(3)*
; CHECK-NEXT: ret i32 addrspace(3)* [[TMP1]]
;
%arr_ptr = bitcast <4 x i32>* %x to [4 x i32]*
%asc = addrspacecast [4 x i32]* %arr_ptr to [4 x i32] addrspace(3)*
%gep = getelementptr inbounds [4 x i32], [4 x i32] addrspace(3)* %asc, i64 %y, i64 %z
ret i32 addrspace(3)* %gep
}