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; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+sse2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE2
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX1
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx512bw,+avx512vl --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX512
; 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 i32] zeroinitializer, align 128
@B = global [1024 x i8] zeroinitializer, align 128
; CHECK: LV: Checking a loop in "test"
;
; SSE2: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i32, i32* %in0, align 4
; SSE2: LV: Found an estimated cost of 28 for VF 2 For instruction: %v0 = load i32, i32* %in0, align 4
; SSE2: LV: Found an estimated cost of 60 for VF 4 For instruction: %v0 = load i32, i32* %in0, align 4
; SSE2: LV: Found an estimated cost of 120 for VF 8 For instruction: %v0 = load i32, i32* %in0, align 4
; SSE2: LV: Found an estimated cost of 240 for VF 16 For instruction: %v0 = load i32, i32* %in0, align 4
;
; AVX1: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX1: LV: Found an estimated cost of 21 for VF 2 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX1: LV: Found an estimated cost of 42 for VF 4 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX1: LV: Found an estimated cost of 92 for VF 8 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX1: LV: Found an estimated cost of 184 for VF 16 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX1: LV: Found an estimated cost of 368 for VF 32 For instruction: %v0 = load i32, i32* %in0, align 4
;
; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX2: LV: Found an estimated cost of 5 for VF 2 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX2: LV: Found an estimated cost of 10 for VF 4 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX2: LV: Found an estimated cost of 20 for VF 8 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX2: LV: Found an estimated cost of 40 for VF 16 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX2: LV: Found an estimated cost of 84 for VF 32 For instruction: %v0 = load i32, i32* %in0, align 4
;
; AVX512: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX512: LV: Found an estimated cost of 5 for VF 2 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX512: LV: Found an estimated cost of 5 for VF 4 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX512: LV: Found an estimated cost of 8 for VF 8 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX512: LV: Found an estimated cost of 22 for VF 16 For instruction: %v0 = load i32, i32* %in0, align 4
; AVX512: LV: Found an estimated cost of 92 for VF 32 For instruction: %v0 = load i32, i32* %in0, align 4
;
; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: %v0 = load i32, i32* %in0, align 4
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
%in0 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %iv.0
%in1 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %iv.1
%in2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %iv.2
%in3 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %iv.3
%v0 = load i32, i32* %in0
%v1 = load i32, i32* %in1
%v2 = load i32, i32* %in2
%v3 = load i32, i32* %in3
%reduce.add.0 = add i32 %v0, %v1
%reduce.add.1 = add i32 %reduce.add.0, %v2
%reduce.add.2 = add i32 %reduce.add.1, %v3
%reduce.add.2.narrow = trunc i32 %reduce.add.2 to i8
%out = getelementptr inbounds [1024 x i8], [1024 x i8]* @B, i64 0, i64 %iv.0
store i8 %reduce.add.2.narrow, i8* %out
%iv.next = add nuw nsw i64 %iv.0, 4
%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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