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 i32] zeroinitializer, align 16 8@B = global [10240 x i32] zeroinitializer, align 16 9 10; Function Attrs: nounwind uwtable 11define void @load_int_stride2() { 12;CHECK-LABEL: load_int_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 2 for VF 16 For instruction: %1 = load 18entry: 19 br label %for.body 20 21for.body: ; preds = %for.body, %entry 22 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 23 %0 = shl nsw i64 %indvars.iv, 1 24 %arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %0 25 %1 = load i32, i32* %arrayidx, align 4 26 %arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv 27 store i32 %1, i32* %arrayidx2, align 2 28 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 29 %exitcond = icmp eq i64 %indvars.iv.next, 1024 30 br i1 %exitcond, label %for.end, label %for.body 31 32for.end: ; preds = %for.body 33 ret void 34} 35 36define void @load_int_stride3() { 37;CHECK-LABEL: load_int_stride3 38;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 39;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 40;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 41;CHECK: Found an estimated cost of 2 for VF 8 For instruction: %1 = load 42;CHECK: Found an estimated cost of 3 for VF 16 For instruction: %1 = load 43entry: 44 br label %for.body 45 46for.body: ; preds = %for.body, %entry 47 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 48 %0 = mul nsw i64 %indvars.iv, 3 49 %arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %0 50 %1 = load i32, i32* %arrayidx, align 4 51 %arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv 52 store i32 %1, i32* %arrayidx2, align 2 53 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 54 %exitcond = icmp eq i64 %indvars.iv.next, 1024 55 br i1 %exitcond, label %for.end, label %for.body 56 57for.end: ; preds = %for.body 58 ret void 59} 60 61define void @load_int_stride4() { 62;CHECK-LABEL: load_int_stride4 63;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 64;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 65;CHECK: Found an estimated cost of 1 for VF 4 For instruction: %1 = load 66;CHECK: Found an estimated cost of 2 for VF 8 For instruction: %1 = load 67;CHECK: Found an estimated cost of 5 for VF 16 For instruction: %1 = load 68entry: 69 br label %for.body 70 71for.body: ; preds = %for.body, %entry 72 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 73 %0 = shl nsw i64 %indvars.iv, 2 74 %arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %0 75 %1 = load i32, i32* %arrayidx, align 4 76 %arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv 77 store i32 %1, i32* %arrayidx2, align 2 78 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 79 %exitcond = icmp eq i64 %indvars.iv.next, 1024 80 br i1 %exitcond, label %for.end, label %for.body 81 82for.end: ; preds = %for.body 83 ret void 84} 85 86define void @load_int_stride5() { 87;CHECK-LABEL: load_int_stride5 88;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %1 = load 89;CHECK: Found an estimated cost of 1 for VF 2 For instruction: %1 = load 90;CHECK: Found an estimated cost of 2 for VF 4 For instruction: %1 = load 91;CHECK: Found an estimated cost of 3 for VF 8 For instruction: %1 = load 92;CHECK: Found an estimated cost of 6 for VF 16 For instruction: %1 = load 93entry: 94 br label %for.body 95 96for.body: ; preds = %for.body, %entry 97 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 98 %0 = mul nsw i64 %indvars.iv, 5 99 %arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %0 100 %1 = load i32, i32* %arrayidx, align 4 101 %arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv 102 store i32 %1, i32* %arrayidx2, align 2 103 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 104 %exitcond = icmp eq i64 %indvars.iv.next, 1024 105 br i1 %exitcond, label %for.end, label %for.body 106 107for.end: ; preds = %for.body 108 ret void 109} 110 111