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
137
138
139
140
141
142
143
144
145
146
147
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
%"struct.std::complex" = type { { float, float } }
@dd = external global %"struct.std::complex", align 4
@dd2 = external global %"struct.std::complex", align 4
define void @_Z3fooi(i32 signext %n) {
; CHECK-LABEL: @_Z3fooi(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_COND:%.*]]
; CHECK: for.cond:
; CHECK-NEXT: [[TMP0:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[ADD_I:%.*]], [[FOR_BODY:%.*]] ]
; CHECK-NEXT: [[TMP1:%.*]] = phi float [ 0.000000e+00, [[ENTRY]] ], [ [[ADD4_I:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], [[N:%.*]]
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_END:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[TMP2:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: [[TMP3:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1), align 4
; CHECK-NEXT: [[TMP4:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: [[TMP5:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 1), align 4
; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[TMP2]], [[TMP4]]
; CHECK-NEXT: [[MUL4_I:%.*]] = fmul float [[TMP3]], [[TMP5]]
; CHECK-NEXT: [[SUB_I:%.*]] = fsub float [[MUL_I]], [[MUL4_I]]
; CHECK-NEXT: [[MUL5_I:%.*]] = fmul float [[TMP3]], [[TMP4]]
; CHECK-NEXT: [[MUL6_I:%.*]] = fmul float [[TMP2]], [[TMP5]]
; CHECK-NEXT: [[ADD_I4:%.*]] = fadd float [[MUL5_I]], [[MUL6_I]]
; CHECK-NEXT: [[ADD_I]] = fadd float [[SUB_I]], [[TMP0]]
; CHECK-NEXT: [[ADD4_I]] = fadd float [[ADD_I4]], [[TMP1]]
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 1
; CHECK-NEXT: br label [[FOR_COND]]
; CHECK: for.end:
; CHECK-NEXT: store float [[TMP0]], float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: store float [[TMP1]], float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1), align 4
; CHECK-NEXT: ret void
;
entry:
br label %for.cond
for.cond:
%ldd.sroa.0.0 = phi i32 [ 0, %entry ], [ %5, %for.body ]
%ldd.sroa.6.0 = phi i32 [ 0, %entry ], [ %7, %for.body ]
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body:
%0 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
%1 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1), align 4
%2 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 0), align 4
%3 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 1), align 4
%mul.i = fmul float %0, %2
%mul4.i = fmul float %1, %3
%sub.i = fsub float %mul.i, %mul4.i
%mul5.i = fmul float %1, %2
%mul6.i = fmul float %0, %3
%add.i4 = fadd float %mul5.i, %mul6.i
%4 = bitcast i32 %ldd.sroa.0.0 to float
%add.i = fadd float %sub.i, %4
%5 = bitcast float %add.i to i32
%6 = bitcast i32 %ldd.sroa.6.0 to float
%add4.i = fadd float %add.i4, %6
%7 = bitcast float %add4.i to i32
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end:
store i32 %ldd.sroa.0.0, i32* bitcast (%"struct.std::complex"* @dd to i32*), align 4
store i32 %ldd.sroa.6.0, i32* bitcast (float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1) to i32*), align 4
ret void
}
define void @multi_phi(i32 signext %n) {
; CHECK-LABEL: @multi_phi(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_COND:%.*]]
; CHECK: for.cond:
; CHECK-NEXT: [[TMP0:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[TMP6:%.*]], [[ODD_BB:%.*]] ]
; CHECK-NEXT: [[I_0:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[INC:%.*]], [[ODD_BB]] ]
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[I_0]], [[N:%.*]]
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_END:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[TMP1:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: [[TMP2:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1), align 4
; CHECK-NEXT: [[TMP3:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: [[TMP4:%.*]] = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 1), align 4
; CHECK-NEXT: [[MUL_I:%.*]] = fmul float [[TMP1]], [[TMP3]]
; CHECK-NEXT: [[MUL4_I:%.*]] = fmul float [[TMP2]], [[TMP4]]
; CHECK-NEXT: [[SUB_I:%.*]] = fsub float [[MUL_I]], [[MUL4_I]]
; CHECK-NEXT: [[ADD_I:%.*]] = fadd float [[SUB_I]], [[TMP0]]
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_0]], 1
; CHECK-NEXT: [[BIT0:%.*]] = and i32 [[INC]], 1
; CHECK-NEXT: [[EVEN:%.*]] = icmp eq i32 [[BIT0]], 0
; CHECK-NEXT: br i1 [[EVEN]], label [[EVEN_BB:%.*]], label [[ODD_BB]]
; CHECK: even.bb:
; CHECK-NEXT: [[TMP5:%.*]] = fadd float [[SUB_I]], [[ADD_I]]
; CHECK-NEXT: br label [[ODD_BB]]
; CHECK: odd.bb:
; CHECK-NEXT: [[TMP6]] = phi float [ [[ADD_I]], [[FOR_BODY]] ], [ [[TMP5]], [[EVEN_BB]] ]
; CHECK-NEXT: br label [[FOR_COND]]
; CHECK: for.end:
; CHECK-NEXT: store float [[TMP0]], float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
; CHECK-NEXT: ret void
;
entry:
br label %for.cond
for.cond:
%ldd.sroa.0.0 = phi i32 [ 0, %entry ], [ %9, %odd.bb ]
%i.0 = phi i32 [ 0, %entry ], [ %inc, %odd.bb ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end
for.body:
%0 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 0), align 4
%1 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd, i64 0, i32 0, i32 1), align 4
%2 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 0), align 4
%3 = load float, float* getelementptr inbounds (%"struct.std::complex", %"struct.std::complex"* @dd2, i64 0, i32 0, i32 1), align 4
%mul.i = fmul float %0, %2
%mul4.i = fmul float %1, %3
%sub.i = fsub float %mul.i, %mul4.i
%4 = bitcast i32 %ldd.sroa.0.0 to float
%add.i = fadd float %sub.i, %4
%5 = bitcast float %add.i to i32
%inc = add nsw i32 %i.0, 1
%bit0 = and i32 %inc, 1
%even = icmp slt i32 %bit0, 1
br i1 %even, label %even.bb, label %odd.bb
even.bb:
%6 = bitcast i32 %5 to float
%7 = fadd float %sub.i, %6
%8 = bitcast float %7 to i32
br label %odd.bb
odd.bb:
%9 = phi i32 [ %5, %for.body ], [ %8, %even.bb ]
br label %for.cond
for.end:
store i32 %ldd.sroa.0.0, i32* bitcast (%"struct.std::complex"* @dd to i32*), align 4
ret void
}
|
