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 i32] zeroinitializer, align 16 8 @B = global [10240 x i32] zeroinitializer, align 16 9 10 ; Function Attrs: nounwind uwtable 11 define 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 18 entry: 19 br label %for.body 20 21 for.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 32 for.end: ; preds = %for.body 33 ret void 34 } 35 36 define 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 43 entry: 44 br label %for.body 45 46 for.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 57 for.end: ; preds = %for.body 58 ret void 59 } 60 61 define 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 68 entry: 69 br label %for.body 70 71 for.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 82 for.end: ; preds = %for.body 83 ret void 84 } 85 86 define 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 93 entry: 94 br label %for.body 95 96 for.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 106 107 for.end: ; preds = %for.body 108 ret void 109 } 110 111
