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 i16] zeroinitializer, align 16 8 @B = global [10240 x i16] zeroinitializer, align 16 9 10 ; Function Attrs: nounwind uwtable 11 define void @load_i16_stride2() { 12 ;CHECK-LABEL: load_i16_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 1 for VF 16 For instruction: %1 = load 18 ;CHECK: Found an estimated cost of 2 for VF 32 For instruction: %1 = load 19 entry: 20 br label %for.body 21 22 for.body: ; preds = %for.body, %entry 23 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 24 %0 = shl nsw i64 %indvars.iv, 1 25 %arrayidx = getelementptr inbounds [10240 x i16], [10240 x i16]* @A, i64 0, i64 %0 26 %1 = load i16, i16* %arrayidx, align 4 27 %arrayidx2 = getelementptr inbounds [10240 x i16], [10240 x i16]* @B, i64 0, i64 %indvars.iv 28 store i16 %1, i16* %arrayidx2, align 2 29 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 30 %exitcond = icmp eq i64 %indvars.iv.next, 1024 31 br i1 %exitcond, label %for.end, label %for.body 32 33 for.end: ; preds = %for.body 34 ret void 35 } 36 37 define void @load_i16_stride3() { 38 ;CHECK-LABEL: load_i16_stride3 39 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 40 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 41 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 42 ;CHECK: Found an estimated cost of 1 for VF 8 For instruction: %1 = load 43 ;CHECK: Found an estimated cost of 2 for VF 16 For instruction: %1 = load 44 ;CHECK: Found an estimated cost of 3 for VF 32 For instruction: %1 = load 45 entry: 46 br label %for.body 47 48 for.body: ; preds = %for.body, %entry 49 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 50 %0 = mul nsw i64 %indvars.iv, 3 51 %arrayidx = getelementptr inbounds [10240 x i16], [10240 x i16]* @A, i64 0, i64 %0 52 %1 = load i16, i16* %arrayidx, align 4 53 %arrayidx2 = getelementptr inbounds [10240 x i16], [10240 x i16]* @B, i64 0, i64 %indvars.iv 54 store i16 %1, i16* %arrayidx2, align 2 55 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 56 %exitcond = icmp eq i64 %indvars.iv.next, 1024 57 br i1 %exitcond, label %for.end, label %for.body 58 59 for.end: ; preds = %for.body 60 ret void 61 } 62 63 define void @load_i16_stride4() { 64 ;CHECK-LABEL: load_i16_stride4 65 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 66 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 67 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 68 ;CHECK: Found an estimated cost of 1 for VF 8 For instruction: %1 = load 69 ;CHECK: Found an estimated cost of 2 for VF 16 For instruction: %1 = load 70 ;CHECK: Found an estimated cost of 5 for VF 32 For instruction: %1 = load 71 entry: 72 br label %for.body 73 74 for.body: ; preds = %for.body, %entry 75 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 76 %0 = shl nsw i64 %indvars.iv, 2 77 %arrayidx = getelementptr inbounds [10240 x i16], [10240 x i16]* @A, i64 0, i64 %0 78 %1 = load i16, i16* %arrayidx, align 4 79 %arrayidx2 = getelementptr inbounds [10240 x i16], [10240 x i16]* @B, i64 0, i64 %indvars.iv 80 store i16 %1, i16* %arrayidx2, align 2 81 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 82 %exitcond = icmp eq i64 %indvars.iv.next, 1024 83 br i1 %exitcond, label %for.end, label %for.body 84 85 for.end: ; preds = %for.body 86 ret void 87 } 88 89 define void @load_i16_stride5() { 90 ;CHECK-LABEL: load_i16_stride5 91 ;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 92 ;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 93 ;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 94 ;CHECK: Found an estimated cost of 2 for VF 8 For instruction: %1 = load 95 ;CHECK: Found an estimated cost of 3 for VF 16 For instruction: %1 = load 96 ;CHECK: Found an estimated cost of 6 for VF 32 For instruction: %1 = load 97 entry: 98 br label %for.body 99 100 for.body: ; preds = %for.body, %entry 101 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 102 %0 = mul nsw i64 %indvars.iv, 5 103 %arrayidx = getelementptr inbounds [10240 x i16], [10240 x i16]* @A, i64 0, i64 %0 104 %1 = load i16, i16* %arrayidx, align 4 105 %arrayidx2 = getelementptr inbounds [10240 x i16], [10240 x i16]* @B, i64 0, i64 %indvars.iv 106 store i16 %1, i16* %arrayidx2, align 2 107 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 108 %exitcond = icmp eq i64 %indvars.iv.next, 1024 109 br i1 %exitcond, label %for.end, label %for.body 110 111 for.end: ; preds = %for.body 112 ret void 113 } 114
