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" 4 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 9 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 13 ; vectorized. 14 ; CHECK-LABEL: foo_3double 15 ; CHECK-NOT: x double> 16 ; Function Attrs: nounwind ssp uwtable 17 define void @foo_3double(i32 %u) #0 { 18 entry: 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]* @A, i32 0, i64 %idxprom 24 %0 = load double* %arrayidx, align 8 25 %arrayidx4 = getelementptr inbounds [2000 x double]* @B, i32 0, i64 %idxprom 26 %1 = load 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]* @A, i32 0, i64 %idxprom12 32 %2 = load double* %arrayidx13, align 8 33 %arrayidx17 = getelementptr inbounds [2000 x double]* @B, i32 0, i64 %idxprom12 34 %3 = load 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]* @A, i32 0, i64 %idxprom25 40 %4 = load double* %arrayidx26, align 8 41 %arrayidx30 = getelementptr inbounds [2000 x double]* @B, i32 0, i64 %idxprom25 42 %5 = load double* %arrayidx30, align 8 43 %add31 = fadd double %4, %5 44 store double %add31, double* %arrayidx26, align 8 45 ret void 46 } 47 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 52 ; CHECK: x double> 53 ; Function Attrs: nounwind ssp uwtable 54 define void @foo_2double(i32 %u) #0 { 55 entry: 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]* @A, i32 0, i64 %idxprom 61 %0 = load double* %arrayidx, align 8 62 %arrayidx4 = getelementptr inbounds [2000 x double]* @B, i32 0, i64 %idxprom 63 %1 = load 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]* @A, i32 0, i64 %idxprom12 69 %2 = load double* %arrayidx13, align 8 70 %arrayidx17 = getelementptr inbounds [2000 x double]* @B, i32 0, i64 %idxprom12 71 %3 = load double* %arrayidx17, align 8 72 %add18 = fadd double %2, %3 73 store double %add18, double* %arrayidx13, align 8 74 ret void 75 } 76 77 ; Similar to the previous test, but with different datatype. 78 ; CHECK-LABEL: foo_4float 79 ; CHECK: x float> 80 ; Function Attrs: nounwind ssp uwtable 81 define void @foo_4float(i32 %u) #0 { 82 entry: 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]* @C, i32 0, i64 %idxprom 88 %0 = load float* %arrayidx, align 4 89 %arrayidx4 = getelementptr inbounds [2000 x float]* @D, i32 0, i64 %idxprom 90 %1 = load 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]* @C, i32 0, i64 %idxprom12 96 %2 = load float* %arrayidx13, align 4 97 %arrayidx17 = getelementptr inbounds [2000 x float]* @D, i32 0, i64 %idxprom12 98 %3 = load 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]* @C, i32 0, i64 %idxprom25 104 %4 = load float* %arrayidx26, align 4 105 %arrayidx30 = getelementptr inbounds [2000 x float]* @D, i32 0, i64 %idxprom25 106 %5 = load 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]* @C, i32 0, i64 %idxprom38 112 %6 = load float* %arrayidx39, align 4 113 %arrayidx43 = getelementptr inbounds [2000 x float]* @D, i32 0, i64 %idxprom38 114 %7 = load float* %arrayidx43, align 4 115 %add44 = fadd float %6, %7 116 store float %add44, float* %arrayidx39, align 4 117 ret void 118 } 119 120 ; Similar to the previous tests, but now we are dealing with AddRec SCEV. 121 ; CHECK-LABEL: foo_loop 122 ; CHECK: x double> 123 ; Function Attrs: nounwind ssp uwtable 124 define i32 @foo_loop(double* %A, i32 %n) #0 { 125 entry: 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 136 137 for.body.lr.ph: ; preds = %entry 138 br label %for.body 139 140 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* %A, i64 %idxprom 146 %2 = load 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* %A, i64 %idxprom3 151 %3 = load 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 160 161 for.cond.for.end_crit_edge: ; preds = %for.body 162 %split = phi double [ %add7, %for.body ] 163 br label %for.end 164 165 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 168 ret i32 %conv 169 } 170 171 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" } 172 173 !llvm.ident = !{!0} 174 175 !0 = metadata !{metadata !"clang version 3.5.0 "} 176
