1 ; REQUIRES: asserts 2 ; RUN: opt -loop-vectorize -S -mcpu=skx --debug-only=loop-vectorize < %s 2>&1| FileCheck %s 3 4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5 target triple = "x86_64-unknown-linux-gnu" 6 7 @A = global [10240 x i8] zeroinitializer, align 16 8 @B = global [10240 x i8] zeroinitializer, align 16 9 10 ; Function Attrs: nounwind uwtable 11 define void @load_i8_stride2() { 12 ;CHECK-LABEL: load_i8_stride2 13 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 14 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 15 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 16 ;CHECK: Found an estimated cost of 1 for VF 8 For instruction: %1 = load 17 ;CHECK: Found an estimated cost of 3 for VF 16 For instruction: %1 = load 18 ;CHECK: Found an estimated cost of 8 for VF 32 For instruction: %1 = load 19 ;CHECK: Found an estimated cost of 20 for VF 64 For instruction: %1 = load 20 entry: 21 br label %for.body 22 23 for.body: ; preds = %for.body, %entry 24 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 25 %0 = shl nsw i64 %indvars.iv, 1 26 %arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0 27 %1 = load i8, i8* %arrayidx, align 2 28 %arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv 29 store i8 %1, i8* %arrayidx2, align 1 30 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 31 %exitcond = icmp eq i64 %indvars.iv.next, 1024 32 br i1 %exitcond, label %for.end, label %for.body 33 34 for.end: ; preds = %for.body 35 ret void 36 } 37 38 define void @load_i8_stride3() { 39 ;CHECK-LABEL: load_i8_stride3 40 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 41 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 42 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 43 ;CHECK: Found an estimated cost of 3 for VF 8 For instruction: %1 = load 44 ;CHECK: Found an estimated cost of 13 for VF 16 For instruction: %1 = load 45 ;CHECK: Found an estimated cost of 16 for VF 32 For instruction: %1 = load 46 ;CHECK: Found an estimated cost of 25 for VF 64 For instruction: %1 = load 47 entry: 48 br label %for.body 49 50 for.body: ; preds = %for.body, %entry 51 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 52 %0 = mul nsw i64 %indvars.iv, 3 53 %arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0 54 %1 = load i8, i8* %arrayidx, align 2 55 %arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv 56 store i8 %1, i8* %arrayidx2, align 1 57 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 58 %exitcond = icmp eq i64 %indvars.iv.next, 1024 59 br i1 %exitcond, label %for.end, label %for.body 60 61 for.end: ; preds = %for.body 62 ret void 63 } 64 65 define void @load_i8_stride4() { 66 ;CHECK-LABEL: load_i8_stride4 67 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 68 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 69 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 70 ;CHECK: Found an estimated cost of 3 for VF 8 For instruction: %1 = load 71 ;CHECK: Found an estimated cost of 8 for VF 16 For instruction: %1 = load 72 ;CHECK: Found an estimated cost of 20 for VF 32 For instruction: %1 = load 73 ;CHECK: Found an estimated cost of 59 for VF 64 For instruction: %1 = load 74 entry: 75 br label %for.body 76 77 for.body: ; preds = %for.body, %entry 78 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 79 %0 = shl nsw i64 %indvars.iv, 2 80 %arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0 81 %1 = load i8, i8* %arrayidx, align 2 82 %arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv 83 store i8 %1, i8* %arrayidx2, align 1 84 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 85 %exitcond = icmp eq i64 %indvars.iv.next, 1024 86 br i1 %exitcond, label %for.end, label %for.body 87 88 for.end: ; preds = %for.body 89 ret void 90 } 91 92 define void @load_i8_stride5() { 93 ;CHECK-LABEL: load_i8_stride5 94 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 95 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 96 ;CHECK: Found an estimated cost of 3 for VF 4 For instruction: %1 = load 97 ;CHECK: Found an estimated cost of 8 for VF 8 For instruction: %1 = load 98 ;CHECK: Found an estimated cost of 20 for VF 16 For instruction: %1 = load 99 ;CHECK: Found an estimated cost of 39 for VF 32 For instruction: %1 = load 100 ;CHECK: Found an estimated cost of 78 for VF 64 For instruction: %1 = load 101 entry: 102 br label %for.body 103 104 for.body: ; preds = %for.body, %entry 105 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 106 %0 = mul nsw i64 %indvars.iv, 5 107 %arrayidx = getelementptr inbounds [10240 x i8], [10240 x i8]* @A, i64 0, i64 %0 108 %1 = load i8, i8* %arrayidx, align 2 109 %arrayidx2 = getelementptr inbounds [10240 x i8], [10240 x i8]* @B, i64 0, i64 %indvars.iv 110 store i8 %1, i8* %arrayidx2, align 1 111 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 112 %exitcond = icmp eq i64 %indvars.iv.next, 1024 113 br i1 %exitcond, label %for.end, label %for.body 114 115 for.end: ; preds = %for.body 116 ret void 117 } 118
