llvm/test/Transforms/LoopVectorize/SystemZ/force-target-instruction-cost.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -p loop-vectorize -mcpu=z16 -force-target-instruction-cost=1 -S %s | FileCheck %s

target triple = "systemz-unknown-linux-unknown"

define void @test_scalar_steps_target_instruction_cost(ptr %dst) {
; CHECK-LABEL: define void @test_scalar_steps_target_instruction_cost(
; CHECK-SAME: ptr [[DST:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    br label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE2:.*]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <2 x i8> [ <i8 0, i8 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[PRED_STORE_CONTINUE2]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = icmp ule <2 x i8> [[VEC_IND]], splat (i8 8)
; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = mul nuw i64 [[INDEX]], 3
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x i1> [[TMP0]], i64 0
; CHECK-NEXT:    br i1 [[TMP1]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
; CHECK:       [[PRED_STORE_IF]]:
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[DST]], i64 [[OFFSET_IDX]]
; CHECK-NEXT:    store i64 [[OFFSET_IDX]], ptr [[TMP2]], align 8
; CHECK-NEXT:    br label %[[PRED_STORE_CONTINUE]]
; CHECK:       [[PRED_STORE_CONTINUE]]:
; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x i1> [[TMP0]], i64 1
; CHECK-NEXT:    br i1 [[TMP4]], label %[[PRED_STORE_IF1:.*]], label %[[PRED_STORE_CONTINUE2]]
; CHECK:       [[PRED_STORE_IF1]]:
; CHECK-NEXT:    [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], 3
; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds i64, ptr [[DST]], i64 [[TMP5]]
; CHECK-NEXT:    store i64 [[TMP5]], ptr [[TMP6]], align 8
; CHECK-NEXT:    br label %[[PRED_STORE_CONTINUE2]]
; CHECK:       [[PRED_STORE_CONTINUE2]]:
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add nuw <2 x i8> [[VEC_IND]], splat (i8 2)
; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10
; CHECK-NEXT:    br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    br label %[[EXIT:.*]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %gep = getelementptr inbounds i64, ptr %dst, i64 %iv
  store i64 %iv, ptr %gep, align 8
  %iv.next = add nuw nsw i64 %iv, 3
  %cmp = icmp ult i64 %iv, 22
  br i1 %cmp, label %loop, label %exit

exit:
  ret void
}
;.
; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
;.