; 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=+sse42 --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,SSE42
; 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,-fast-gather --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2-SLOWGATHER
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2,+fast-gather --debug-only=loop-vectorize < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,AVX2-FASTGATHER
; RUN: opt -loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx512bw --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 i8] zeroinitializer, align 128
@C = 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:   %valB.loaded = load i8, i8* %inB, align 1
; SSE2: LV: Found an estimated cost of 3000000 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE2: LV: Found an estimated cost of 3000000 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE2: LV: Found an estimated cost of 3000000 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE2: LV: Found an estimated cost of 3000000 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; SSE42: LV: Found an estimated cost of 1 for VF 1 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE42: LV: Found an estimated cost of 3000000 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE42: LV: Found an estimated cost of 3000000 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE42: LV: Found an estimated cost of 3000000 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; SSE42: LV: Found an estimated cost of 3000000 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; AVX1: LV: Found an estimated cost of 1 for VF 1 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX1: LV: Found an estimated cost of 3000000 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX1: LV: Found an estimated cost of 3000000 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX1: LV: Found an estimated cost of 3000000 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX1: LV: Found an estimated cost of 3000000 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX1: LV: Found an estimated cost of 3000000 for VF 32 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; AVX2-SLOWGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-SLOWGATHER: LV: Found an estimated cost of 3000000 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-SLOWGATHER: LV: Found an estimated cost of 3000000 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-SLOWGATHER: LV: Found an estimated cost of 3000000 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-SLOWGATHER: LV: Found an estimated cost of 3000000 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-SLOWGATHER: LV: Found an estimated cost of 3000000 for VF 32 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; AVX2-FASTGATHER: LV: Found an estimated cost of 1 for VF 1 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-FASTGATHER: LV: Found an estimated cost of 3000000 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-FASTGATHER: LV: Found an estimated cost of 3000000 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-FASTGATHER: LV: Found an estimated cost of 3000000 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-FASTGATHER: LV: Found an estimated cost of 3000000 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX2-FASTGATHER: LV: Found an estimated cost of 3000000 for VF 32 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; AVX512: LV: Found an estimated cost of 1 for VF 1 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 2 for VF 2 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 2 for VF 4 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 2 for VF 8 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 1 for VF 16 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 1 for VF 32 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
; AVX512: LV: Found an estimated cost of 1 for VF 64 For instruction:   %valB.loaded = load i8, i8* %inB, align 1
;
; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction:   %valB.loaded = load i8, i8* %inB, align 1
define void @test([1024 x i8]* %B) {
entry:
  br label %for.body

for.body:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %end ]

  %inA = getelementptr inbounds [1024 x i8], [1024 x i8]* @A, i64 0, i64 %iv
  %valA = load i8, i8* %inA
  %canLoad = icmp ne i8 %valA, 0
  br i1 %canLoad, label %load, label %mask

load:
  %inB = getelementptr inbounds [1024 x i8], [1024 x i8]* %B, i64 0, i64 %iv
  %valB.loaded = load i8, i8* %inB
  br label %end

mask:
  br label %end

end:
  %valB = phi i8 [ %valB.loaded, %load ], [ 0, %mask ]
  %out = getelementptr inbounds [1024 x i8], [1024 x i8]* @C, i64 0, i64 %iv
  store i8 %valB, i8* %out

  %iv.next = add nuw nsw i64 %iv, 1
  %cmp = icmp ult i64 %iv.next, 1024
  br i1 %cmp, label %for.body, label %for.cond.cleanup

for.cond.cleanup:
  ret void
}