1 ; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s
2 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-apple-macosx10.9.0"
5 @A = common global [2000 x double] zeroinitializer, align 16
6 @B = common global [2000 x double] zeroinitializer, align 16
7 @C = common global [2000 x float] zeroinitializer, align 16
8 @D = common global [2000 x float] zeroinitializer, align 16
10 ; Currently SCEV isn't smart enough to figure out that accesses
11 ; A[3*i], A[3*i+1] and A[3*i+2] are consecutive, but in future
12 ; that would hopefully be fixed. For now, check that this isn't
14 ; CHECK-LABEL: foo_3double
15 ; CHECK-NOT: x double>
16 ; Function Attrs: nounwind ssp uwtable
17 define void @foo_3double(i32 %u) #0 {
19 %u.addr = alloca i32, align 4
20 store i32 %u, i32* %u.addr, align 4
21 %mul = mul nsw i32 %u, 3
22 %idxprom = sext i32 %mul to i64
23 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
24 %0 = load double, double* %arrayidx, align 8
25 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
26 %1 = load double, double* %arrayidx4, align 8
27 %add5 = fadd double %0, %1
28 store double %add5, double* %arrayidx, align 8
29 %add11 = add nsw i32 %mul, 1
30 %idxprom12 = sext i32 %add11 to i64
31 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
32 %2 = load double, double* %arrayidx13, align 8
33 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
34 %3 = load double, double* %arrayidx17, align 8
35 %add18 = fadd double %2, %3
36 store double %add18, double* %arrayidx13, align 8
37 %add24 = add nsw i32 %mul, 2
38 %idxprom25 = sext i32 %add24 to i64
39 %arrayidx26 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom25
40 %4 = load double, double* %arrayidx26, align 8
41 %arrayidx30 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom25
42 %5 = load double, double* %arrayidx30, align 8
43 %add31 = fadd double %4, %5
44 store double %add31, double* %arrayidx26, align 8
48 ; SCEV should be able to tell that accesses A[C1 + C2*i], A[C1 + C2*i], ...
49 ; A[C1 + C2*i] are consecutive, if C2 is a power of 2, and C2 > C1 > 0.
50 ; Thus, the following code should be vectorized.
51 ; CHECK-LABEL: foo_2double
53 ; Function Attrs: nounwind ssp uwtable
54 define void @foo_2double(i32 %u) #0 {
56 %u.addr = alloca i32, align 4
57 store i32 %u, i32* %u.addr, align 4
58 %mul = mul nsw i32 %u, 2
59 %idxprom = sext i32 %mul to i64
60 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
61 %0 = load double, double* %arrayidx, align 8
62 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
63 %1 = load double, double* %arrayidx4, align 8
64 %add5 = fadd double %0, %1
65 store double %add5, double* %arrayidx, align 8
66 %add11 = add nsw i32 %mul, 1
67 %idxprom12 = sext i32 %add11 to i64
68 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
69 %2 = load double, double* %arrayidx13, align 8
70 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
71 %3 = load double, double* %arrayidx17, align 8
72 %add18 = fadd double %2, %3
73 store double %add18, double* %arrayidx13, align 8
77 ; Similar to the previous test, but with different datatype.
78 ; CHECK-LABEL: foo_4float
80 ; Function Attrs: nounwind ssp uwtable
81 define void @foo_4float(i32 %u) #0 {
83 %u.addr = alloca i32, align 4
84 store i32 %u, i32* %u.addr, align 4
85 %mul = mul nsw i32 %u, 4
86 %idxprom = sext i32 %mul to i64
87 %arrayidx = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom
88 %0 = load float, float* %arrayidx, align 4
89 %arrayidx4 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom
90 %1 = load float, float* %arrayidx4, align 4
91 %add5 = fadd float %0, %1
92 store float %add5, float* %arrayidx, align 4
93 %add11 = add nsw i32 %mul, 1
94 %idxprom12 = sext i32 %add11 to i64
95 %arrayidx13 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom12
96 %2 = load float, float* %arrayidx13, align 4
97 %arrayidx17 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom12
98 %3 = load float, float* %arrayidx17, align 4
99 %add18 = fadd float %2, %3
100 store float %add18, float* %arrayidx13, align 4
101 %add24 = add nsw i32 %mul, 2
102 %idxprom25 = sext i32 %add24 to i64
103 %arrayidx26 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom25
104 %4 = load float, float* %arrayidx26, align 4
105 %arrayidx30 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom25
106 %5 = load float, float* %arrayidx30, align 4
107 %add31 = fadd float %4, %5
108 store float %add31, float* %arrayidx26, align 4
109 %add37 = add nsw i32 %mul, 3
110 %idxprom38 = sext i32 %add37 to i64
111 %arrayidx39 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom38
112 %6 = load float, float* %arrayidx39, align 4
113 %arrayidx43 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom38
114 %7 = load float, float* %arrayidx43, align 4
115 %add44 = fadd float %6, %7
116 store float %add44, float* %arrayidx39, align 4
120 ; Similar to the previous tests, but now we are dealing with AddRec SCEV.
121 ; CHECK-LABEL: foo_loop
123 ; Function Attrs: nounwind ssp uwtable
124 define i32 @foo_loop(double* %A, i32 %n) #0 {
126 %A.addr = alloca double*, align 8
127 %n.addr = alloca i32, align 4
128 %sum = alloca double, align 8
129 %i = alloca i32, align 4
130 store double* %A, double** %A.addr, align 8
131 store i32 %n, i32* %n.addr, align 4
132 store double 0.000000e+00, double* %sum, align 8
133 store i32 0, i32* %i, align 4
134 %cmp1 = icmp slt i32 0, %n
135 br i1 %cmp1, label %for.body.lr.ph, label %for.end
137 for.body.lr.ph: ; preds = %entry
140 for.body: ; preds = %for.body.lr.ph, %for.body
141 %0 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
142 %1 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add7, %for.body ]
143 %mul = mul nsw i32 %0, 2
144 %idxprom = sext i32 %mul to i64
145 %arrayidx = getelementptr inbounds double, double* %A, i64 %idxprom
146 %2 = load double, double* %arrayidx, align 8
147 %mul1 = fmul double 7.000000e+00, %2
148 %add = add nsw i32 %mul, 1
149 %idxprom3 = sext i32 %add to i64
150 %arrayidx4 = getelementptr inbounds double, double* %A, i64 %idxprom3
151 %3 = load double, double* %arrayidx4, align 8
152 %mul5 = fmul double 7.000000e+00, %3
153 %add6 = fadd double %mul1, %mul5
154 %add7 = fadd double %1, %add6
155 store double %add7, double* %sum, align 8
156 %inc = add nsw i32 %0, 1
157 store i32 %inc, i32* %i, align 4
158 %cmp = icmp slt i32 %inc, %n
159 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
161 for.cond.for.end_crit_edge: ; preds = %for.body
162 %split = phi double [ %add7, %for.body ]
165 for.end: ; preds = %for.cond.for.end_crit_edge, %entry
166 %.lcssa = phi double [ %split, %for.cond.for.end_crit_edge ], [ 0.000000e+00, %entry ]
167 %conv = fptosi double %.lcssa to i32
171 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
175 !0 = !{!"clang version 3.5.0 "}