llvm/test/Transforms/LoopVectorize/X86/CostModel/interleaved-load-i64-stride-8.ll

; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --filter "LV: Found an estimated cost of [0-9]+ for VF 1 For instruction:\s*%v0 = load" --filter "Cost of [0-9]+ for VF [0-9]+: (INTERLEAVE-GROUP with factor [0-9]+ at %v0,|REPLICATE ir<%v0> = load|WIDEN ir<%v[0-9]> = load)" --filter "^  ir<.* = load from index"
; RUN: opt -passes=loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+sse2 --debug-only=loop-vectorize --disable-output < %s 2>&1 | FileCheck %s --check-prefix=SSE2
; RUN: opt -passes=loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx  --debug-only=loop-vectorize --disable-output < %s 2>&1 | FileCheck %s --check-prefix=AVX1
; RUN: opt -passes=loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx2 --debug-only=loop-vectorize --disable-output < %s 2>&1 | FileCheck %s --check-prefix=AVX2
; RUN: opt -passes=loop-vectorize -vectorizer-maximize-bandwidth -S -mattr=+avx512vl --debug-only=loop-vectorize --disable-output < %s 2>&1 | FileCheck %s --check-prefix=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 i64] zeroinitializer, align 128
@B = global [1024 x i8] zeroinitializer, align 128

define void @test() {
; SSE2-LABEL: 'test'
; SSE2:  LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, ptr %in0, align 8
; SSE2:  Cost of 5 for VF 2: REPLICATE ir<%v0> = load ir<%in0>
; SSE2:  Cost of 10 for VF 4: REPLICATE ir<%v0> = load ir<%in0>
; SSE2:  Cost of 20 for VF 8: REPLICATE ir<%v0> = load ir<%in0>
; SSE2:  Cost of 40 for VF 16: REPLICATE ir<%v0> = load ir<%in0>
;
; AVX1-LABEL: 'test'
; AVX1:  LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, ptr %in0, align 8
; AVX1:  Cost of 4 for VF 2: REPLICATE ir<%v0> = load ir<%in0>
; AVX1:  Cost of 9 for VF 4: REPLICATE ir<%v0> = load ir<%in0>
; AVX1:  Cost of 18 for VF 8: REPLICATE ir<%v0> = load ir<%in0>
; AVX1:  Cost of 36 for VF 16: REPLICATE ir<%v0> = load ir<%in0>
; AVX1:  Cost of 72 for VF 32: REPLICATE ir<%v0> = load ir<%in0>
;
; AVX2-LABEL: 'test'
; AVX2:  LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, ptr %in0, align 8
; AVX2:  Cost of 4 for VF 2: REPLICATE ir<%v0> = load ir<%in0>
; AVX2:  Cost of 9 for VF 4: REPLICATE ir<%v0> = load ir<%in0>
; AVX2:  Cost of 18 for VF 8: REPLICATE ir<%v0> = load ir<%in0>
; AVX2:  Cost of 36 for VF 16: REPLICATE ir<%v0> = load ir<%in0>
; AVX2:  Cost of 72 for VF 32: REPLICATE ir<%v0> = load ir<%in0>
;
; AVX512-LABEL: 'test'
; AVX512:  LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i64, ptr %in0, align 8
; AVX512:  Cost of 14 for VF 2: INTERLEAVE-GROUP with factor 8 at %v0, ir<%in0>
; AVX512:    ir<%v0> = load from index 0
; AVX512:    ir<%v1> = load from index 1
; AVX512:    ir<%v2> = load from index 2
; AVX512:    ir<%v3> = load from index 3
; AVX512:    ir<%v4> = load from index 4
; AVX512:    ir<%v5> = load from index 5
; AVX512:    ir<%v6> = load from index 6
; AVX512:    ir<%v7> = load from index 7
; AVX512:  Cost of 40 for VF 4: INTERLEAVE-GROUP with factor 8 at %v0, ir<%in0>
; AVX512:    ir<%v0> = load from index 0
; AVX512:    ir<%v1> = load from index 1
; AVX512:    ir<%v2> = load from index 2
; AVX512:    ir<%v3> = load from index 3
; AVX512:    ir<%v4> = load from index 4
; AVX512:    ir<%v5> = load from index 5
; AVX512:    ir<%v6> = load from index 6
; AVX512:    ir<%v7> = load from index 7
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v0> = load ir<%in0>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v1> = load ir<%in1>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v2> = load ir<%in2>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v3> = load ir<%in3>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v4> = load ir<%in4>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v5> = load ir<%in5>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v6> = load ir<%in6>
; AVX512:  Cost of 10 for VF 8: WIDEN ir<%v7> = load ir<%in7>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v0> = load ir<%in0>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v1> = load ir<%in1>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v2> = load ir<%in2>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v3> = load ir<%in3>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v4> = load ir<%in4>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v5> = load ir<%in5>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v6> = load ir<%in6>
; AVX512:  Cost of 20 for VF 16: WIDEN ir<%v7> = load ir<%in7>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v0> = load ir<%in0>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v1> = load ir<%in1>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v2> = load ir<%in2>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v3> = load ir<%in3>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v4> = load ir<%in4>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v5> = load ir<%in5>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v6> = load ir<%in6>
; AVX512:  Cost of 40 for VF 32: WIDEN ir<%v7> = load ir<%in7>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v0> = load ir<%in0>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v1> = load ir<%in1>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v2> = load ir<%in2>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v3> = load ir<%in3>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v4> = load ir<%in4>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v5> = load ir<%in5>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v6> = load ir<%in6>
; AVX512:  Cost of 80 for VF 64: WIDEN ir<%v7> = load ir<%in7>
;
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
  %iv.5 = add nuw nsw i64 %iv, 5
  %iv.6 = add nuw nsw i64 %iv, 6
  %iv.7 = add nuw nsw i64 %iv, 7

  %in0 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.0
  %in1 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.1
  %in2 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.2
  %in3 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.3
  %in4 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.4
  %in5 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.5
  %in6 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.6
  %in7 = getelementptr inbounds [1024 x i64], ptr @A, i64 0, i64 %iv.7

  %v0 = load i64, ptr %in0
  %v1 = load i64, ptr %in1
  %v2 = load i64, ptr %in2
  %v3 = load i64, ptr %in3
  %v4 = load i64, ptr %in4
  %v5 = load i64, ptr %in5
  %v6 = load i64, ptr %in6
  %v7 = load i64, ptr %in7

  %reduce.add.0 = add i64 %v0, %v1
  %reduce.add.1 = add i64 %reduce.add.0, %v2
  %reduce.add.2 = add i64 %reduce.add.1, %v3
  %reduce.add.3 = add i64 %reduce.add.2, %v4
  %reduce.add.4 = add i64 %reduce.add.3, %v5
  %reduce.add.5 = add i64 %reduce.add.4, %v6
  %reduce.add.6 = add i64 %reduce.add.5, %v7

  %reduce.add.6.narrow = trunc i64 %reduce.add.6 to i8

  %out = getelementptr inbounds [1024 x i8], ptr @B, i64 0, i64 %iv.0
  store i8 %reduce.add.6.narrow, ptr %out

  %iv.next = add nuw nsw i64 %iv.0, 8
  %cmp = icmp ult i64 %iv.next, 1024
  br i1 %cmp, label %for.body, label %for.cond.cleanup

for.cond.cleanup:
  ret void
}