86 lines
3.9 KiB
LLVM
86 lines
3.9 KiB
LLVM
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; REQUIRES: asserts
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; RUN: opt -loop-vectorize -S -mattr=avx512f --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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@A = global [10240 x i32] zeroinitializer, align 16
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@B = global [10240 x i32] zeroinitializer, align 16
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; Function Attrs: nounwind uwtable
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define void @load_i32_interleave4() {
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;CHECK-LABEL: load_i32_interleave4
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;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %0 = load
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;CHECK: Found an estimated cost of 5 for VF 2 For instruction: %0 = load
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;CHECK: Found an estimated cost of 5 for VF 4 For instruction: %0 = load
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;CHECK: Found an estimated cost of 8 for VF 8 For instruction: %0 = load
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;CHECK: Found an estimated cost of 22 for VF 16 For instruction: %0 = load
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entry:
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br label %for.body
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for.cond.cleanup: ; preds = %for.body
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ret void
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 16
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%1 = or i64 %indvars.iv, 1
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%arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %1
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%2 = load i32, i32* %arrayidx2, align 4
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%add3 = add nsw i32 %2, %0
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%3 = or i64 %indvars.iv, 2
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%arrayidx6 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %3
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%4 = load i32, i32* %arrayidx6, align 8
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%add7 = add nsw i32 %add3, %4
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%5 = or i64 %indvars.iv, 3
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%arrayidx10 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %5
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%6 = load i32, i32* %arrayidx10, align 4
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%add11 = add nsw i32 %add7, %6
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%arrayidx13 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv
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store i32 %add11, i32* %arrayidx13, align 16
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 4
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%cmp = icmp slt i64 %indvars.iv.next, 1024
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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}
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define void @load_i32_interleave5() {
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;CHECK-LABEL: load_i32_interleave5
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;CHECK: Found an estimated cost of 1 for VF 1 For instruction: %0 = load
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;CHECK: Found an estimated cost of 6 for VF 2 For instruction: %0 = load
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;CHECK: Found an estimated cost of 9 for VF 4 For instruction: %0 = load
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;CHECK: Found an estimated cost of 18 for VF 8 For instruction: %0 = load
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;CHECK: Found an estimated cost of 35 for VF 16 For instruction: %0 = load
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entry:
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br label %for.body
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for.cond.cleanup: ; preds = %for.body
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ret void
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for.body: ; preds = %entry, %for.body
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4
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%1 = add nuw nsw i64 %indvars.iv, 1
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%arrayidx2 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %1
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%2 = load i32, i32* %arrayidx2, align 4
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%add3 = add nsw i32 %2, %0
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%3 = add nuw nsw i64 %indvars.iv, 2
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%arrayidx6 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %3
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%4 = load i32, i32* %arrayidx6, align 4
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%add7 = add nsw i32 %add3, %4
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%5 = add nuw nsw i64 %indvars.iv, 3
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%arrayidx10 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %5
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%6 = load i32, i32* %arrayidx10, align 4
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%add11 = add nsw i32 %add7, %6
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%7 = add nuw nsw i64 %indvars.iv, 4
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%arrayidx14 = getelementptr inbounds [10240 x i32], [10240 x i32]* @A, i64 0, i64 %7
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%8 = load i32, i32* %arrayidx14, align 4
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%add15 = add nsw i32 %add11, %8
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%arrayidx17 = getelementptr inbounds [10240 x i32], [10240 x i32]* @B, i64 0, i64 %indvars.iv
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store i32 %add15, i32* %arrayidx17, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 5
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%cmp = icmp slt i64 %indvars.iv.next, 1024
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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}
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