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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=argpromotion < %s | FileCheck %s
define internal i32 @foo(ptr %x, i32 %n, i32 %m) {
; CHECK-LABEL: define internal i32 @foo(
; CHECK-SAME: i32 [[X_0_VAL:%.*]], i32 [[N:%.*]], i32 [[M:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[N]], 0
; CHECK-NEXT: br i1 [[CMP]], label %[[COND_TRUE:.*]], label %[[COND_FALSE:.*]]
; CHECK: [[COND_TRUE]]:
; CHECK-NEXT: br label %[[RETURN:.*]]
; CHECK: [[COND_FALSE]]:
; CHECK-NEXT: [[SUBVAL:%.*]] = sub i32 [[N]], 1
; CHECK-NEXT: [[CALLRET:%.*]] = call i32 @foo(i32 [[X_0_VAL]], i32 [[SUBVAL]], i32 [[X_0_VAL]])
; CHECK-NEXT: [[SUBVAL2:%.*]] = sub i32 [[N]], 2
; CHECK-NEXT: [[CALLRET2:%.*]] = call i32 @foo(i32 [[X_0_VAL]], i32 [[SUBVAL2]], i32 [[M]])
; CHECK-NEXT: [[CMP2:%.*]] = add i32 [[CALLRET]], [[CALLRET2]]
; CHECK-NEXT: br label %[[RETURN]]
; CHECK: [[COND_NEXT:.*]]:
; CHECK-NEXT: br label %[[RETURN]]
; CHECK: [[RETURN]]:
; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32 [ [[X_0_VAL]], %[[COND_TRUE]] ], [ [[CMP2]], %[[COND_FALSE]] ], [ poison, %[[COND_NEXT]] ]
; CHECK-NEXT: ret i32 [[RETVAL_0]]
;
entry:
%cmp = icmp ne i32 %n, 0
br i1 %cmp, label %cond_true, label %cond_false
cond_true: ; preds = %entry
%val = load i32, ptr %x, align 4
br label %return
cond_false: ; preds = %entry
%val2 = load i32, ptr %x, align 4
%subval = sub i32 %n, 1
%callret = call i32 @foo(ptr %x, i32 %subval, i32 %val2)
%subval2 = sub i32 %n, 2
%callret2 = call i32 @foo(ptr %x, i32 %subval2, i32 %m)
%cmp2 = add i32 %callret, %callret2
br label %return
cond_next: ; No predecessors!
br label %return
return: ; preds = %cond_next, %cond_false, %cond_true
%retval.0 = phi i32 [ %val, %cond_true ], [ %cmp2, %cond_false ], [ poison, %cond_next ]
ret i32 %retval.0
}
define i32 @bar(ptr align(4) dereferenceable(4) %x, i32 %n, i32 %m) {
; CHECK-LABEL: define i32 @bar(
; CHECK-SAME: ptr align 4 dereferenceable(4) [[X:%.*]], i32 [[N:%.*]], i32 [[M:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[GEPVAL:%.*]] = getelementptr ptr, ptr [[X]], i32 0
; CHECK-NEXT: [[GEPVAL_VAL:%.*]] = load i32, ptr [[GEPVAL]], align 4
; CHECK-NEXT: [[CALLRET3:%.*]] = call i32 @foo(i32 [[GEPVAL_VAL]], i32 [[N]], i32 [[M]])
; CHECK-NEXT: br label %[[RETURN:.*]]
; CHECK: [[RETURN]]:
; CHECK-NEXT: ret i32 [[CALLRET3]]
;
entry:
%gepval = getelementptr ptr, ptr %x, i32 0
%callret3 = call i32 @foo(ptr %gepval, i32 %n, i32 %m)
br label %return
return: ; preds = %entry
ret i32 %callret3
}
define internal i32 @foo2(ptr %x, i32 %n, i32 %m) {
; CHECK-LABEL: define internal i32 @foo2(
; CHECK-SAME: ptr [[X:%.*]], i32 [[N:%.*]], i32 [[M:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[N]], 0
; CHECK-NEXT: br i1 [[CMP]], label %[[COND_TRUE:.*]], label %[[COND_FALSE:.*]]
; CHECK: [[COND_TRUE]]:
; CHECK-NEXT: [[VAL:%.*]] = load i32, ptr [[X]], align 4
; CHECK-NEXT: br label %[[RETURN:.*]]
; CHECK: [[COND_FALSE]]:
; CHECK-NEXT: [[VAL2:%.*]] = load i32, ptr [[X]], align 4
; CHECK-NEXT: [[SUBVAL:%.*]] = sub i32 [[N]], 1
; CHECK-NEXT: [[CALLRET:%.*]] = call i32 @foo2(ptr [[X]], i32 [[SUBVAL]], i32 [[VAL2]])
; CHECK-NEXT: [[SUBVAL2:%.*]] = sub i32 [[N]], 2
; CHECK-NEXT: [[CALLRET2:%.*]] = call i32 @foo2(ptr [[X]], i32 [[SUBVAL2]], i32 [[M]])
; CHECK-NEXT: [[CMP2:%.*]] = add i32 [[CALLRET]], [[CALLRET2]]
; CHECK-NEXT: br label %[[RETURN]]
; CHECK: [[COND_NEXT:.*]]:
; CHECK-NEXT: br label %[[RETURN]]
; CHECK: [[RETURN]]:
; CHECK-NEXT: [[RETVAL_0:%.*]] = phi i32 [ [[VAL]], %[[COND_TRUE]] ], [ [[CMP2]], %[[COND_FALSE]] ], [ poison, %[[COND_NEXT]] ]
; CHECK-NEXT: ret i32 [[RETVAL_0]]
;
entry:
%cmp = icmp ne i32 %n, 0
br i1 %cmp, label %cond_true, label %cond_false
cond_true: ; preds = %entry
%val = load i32, ptr %x, align 4
br label %return
cond_false: ; preds = %entry
%val2 = load i32, ptr %x, align 4
%subval = sub i32 %n, 1
%callret = call i32 @foo2(ptr %x, i32 %subval, i32 %val2)
%subval2 = sub i32 %n, 2
%callret2 = call i32 @foo2(ptr %x, i32 %subval2, i32 %m)
%cmp2 = add i32 %callret, %callret2
br label %return
cond_next: ; No predecessors!
br label %return
return: ; preds = %cond_next, %cond_false, %cond_true
%retval.0 = phi i32 [ %val, %cond_true ], [ %cmp2, %cond_false ], [ poison, %cond_next ]
ret i32 %retval.0
}
define i32 @bar2(ptr align(4) dereferenceable(4) %x, i32 %n, i32 %m) {
; CHECK-LABEL: define i32 @bar2(
; CHECK-SAME: ptr align 4 dereferenceable(4) [[X:%.*]], i32 [[N:%.*]], i32 [[M:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: [[GEPVAL:%.*]] = getelementptr ptr, ptr [[X]], i32 4
; CHECK-NEXT: [[CALLRET3:%.*]] = call i32 @foo2(ptr [[GEPVAL]], i32 [[N]], i32 [[M]])
; CHECK-NEXT: br label %[[RETURN:.*]]
; CHECK: [[RETURN]]:
; CHECK-NEXT: ret i32 [[CALLRET3]]
;
entry:
%gepval = getelementptr ptr, ptr %x, i32 4
%callret3 = call i32 @foo2(ptr %gepval, i32 %n, i32 %m)
br label %return
return: ; preds = %entry
ret i32 %callret3
}
|
