1; REQUIRES: asserts 2; RUN: opt -loop-vectorize -S -mcpu=skx --debug-only=loop-vectorize < %s 2>&1| FileCheck %s 3 4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5target 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 11define 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 19entry: 20 br label %for.body 21 22for.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 33for.end: ; preds = %for.body 34 ret void 35} 36 37define 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 45entry: 46 br label %for.body 47 48for.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 59for.end: ; preds = %for.body 60 ret void 61} 62 63define 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 71entry: 72 br label %for.body 73 74for.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 85for.end: ; preds = %for.body 86 ret void 87} 88 89define 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 97entry: 98 br label %for.body 99 100for.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 111for.end: ; preds = %for.body 112 ret void 113} 114