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 i8] zeroinitializer, align 16 8@B = global [10240 x i8] zeroinitializer, align 16 9 10; Function Attrs: nounwind uwtable 11define 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 20entry: 21 br label %for.body 22 23for.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 34for.end: ; preds = %for.body 35 ret void 36} 37 38define 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 47entry: 48 br label %for.body 49 50for.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 61for.end: ; preds = %for.body 62 ret void 63} 64 65define 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 74entry: 75 br label %for.body 76 77for.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 88for.end: ; preds = %for.body 89 ret void 90} 91 92define 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 101entry: 102 br label %for.body 103 104for.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 115for.end: ; preds = %for.body 116 ret void 117} 118