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