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; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s
; REQUIRES: asserts
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@A = global [1024 x i8] zeroinitializer, align 128
@B = global [1024 x i16] zeroinitializer, align 128
; CHECK: LV: Checking a loop in "test"
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %v4, i16* %out4, align 2
; CHECK: LV: Found an estimated cost of 28 for VF 2 For instruction: store i16 %v4, i16* %out4, align 2
; CHECK: LV: Found an estimated cost of 58 for VF 4 For instruction: store i16 %v4, i16* %out4, align 2
; CHECK: LV: Found an estimated cost of 115 for VF 8 For instruction: store i16 %v4, i16* %out4, align 2
; CHECK: LV: Found an estimated cost of 285 for VF 16 For instruction: store i16 %v4, i16* %out4, align 2
; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: store i16 %v4, i16* %out4, align 2
define void @test() {
entry:
br label %for.body
for.body:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
%iv.0 = add nuw nsw i64 %iv, 0
%iv.1 = add nuw nsw i64 %iv, 1
%iv.2 = add nuw nsw i64 %iv, 2
%iv.3 = add nuw nsw i64 %iv, 3
%iv.4 = add nuw nsw i64 %iv, 4
%in = getelementptr inbounds [1024 x i8], [1024 x i8]* @A, i64 0, i64 %iv.0
%v.narrow = load i8, i8* %in
%v = zext i8 %v.narrow to i16
%v0 = add i16 %v, 0
%v1 = add i16 %v, 1
%v2 = add i16 %v, 2
%v3 = add i16 %v, 3
%v4 = add i16 %v, 4
%out0 = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv.0
%out1 = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv.1
%out2 = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv.2
%out3 = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv.3
%out4 = getelementptr inbounds [1024 x i16], [1024 x i16]* @B, i64 0, i64 %iv.4
store i16 %v0, i16* %out0
store i16 %v1, i16* %out1
store i16 %v2, i16* %out2
store i16 %v3, i16* %out3
store i16 %v4, i16* %out4
%iv.next = add nuw nsw i64 %iv.0, 5
%cmp = icmp ult i64 %iv.next, 1024
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup:
ret void
}
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