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41 lines
1.6 KiB
LLVM
41 lines
1.6 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt -S -loop-vectorize -debug-only=loop-vectorize -mcpu=core-avx2 %s 2>&1 | FileCheck %s
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target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
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target triple = "i386-unknown-linux-gnu"
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@i64src = common local_unnamed_addr global [120 x i64] zeroinitializer, align 4
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@i64dst = common local_unnamed_addr global [120 x i64] zeroinitializer, align 4
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; Function Attrs: norecurse nounwind
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define void @stride2i64(i64 %k, i32 %width_) {
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entry:
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; CHECK: Found an estimated cost of 8 for VF 4 For instruction: %0 = load i64
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; CHECK: Found an estimated cost of 8 for VF 4 For instruction: store i64
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%cmp27 = icmp sgt i32 %width_, 0
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br i1 %cmp27, label %for.body.lr.ph, label %for.cond.cleanup
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.cond.cleanup: ; preds = %for.body, %entry
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ret void
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for.body:
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%i.028 = phi i32 [ 0, %for.body.lr.ph ], [ %add16, %for.body ]
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%arrayidx = getelementptr inbounds [120 x i64], [120 x i64]* @i64src, i32 0, i32 %i.028
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%0 = load i64, i64* %arrayidx, align 4
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%arrayidx2 = getelementptr inbounds [120 x i64], [120 x i64]* @i64dst, i32 0, i32 %i.028
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store i64 %0, i64* %arrayidx2, align 4
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%add4 = add nuw nsw i32 %i.028, 1
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%arrayidx5 = getelementptr inbounds [120 x i64], [120 x i64]* @i64src, i32 0, i32 %add4
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%1 = load i64, i64* %arrayidx5, align 4
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%arrayidx8 = getelementptr inbounds [120 x i64], [120 x i64]* @i64dst, i32 0, i32 %add4
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store i64 %1, i64* %arrayidx8, align 4
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%add16 = add nuw nsw i32 %i.028, 2
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%cmp = icmp slt i32 %add16, %width_
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br i1 %cmp, label %for.body, label %for.cond.cleanup
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}
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