; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt -passes=loop-vectorize %s -mtriple=arm64-apple-iphoneos -S | FileCheck %s

define void @test(ptr %dst, ptr %src) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[DST:%.*]], ptr [[SRC:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*:]]
; CHECK-NEXT:    [[L:%.*]] = load i32, ptr [[SRC]], align 4
; CHECK-NEXT:    br label %[[LOOP_PH:.*]]
; CHECK:       [[LOOP_PH]]:
; CHECK-NEXT:    br label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[L]], i64 0
; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
; CHECK-NEXT:    [[TMP0:%.*]] = sext <2 x i32> [[BROADCAST_SPLAT]] to <2 x i64>
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr i64, ptr [[DST]], i64 [[INDEX]]
; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr i64, ptr [[TMP1]], i64 2
; CHECK-NEXT:    store <2 x i64> [[TMP0]], ptr [[TMP1]], align 8
; CHECK-NEXT:    store <2 x i64> [[TMP0]], ptr [[TMP2]], align 8
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 20
; CHECK-NEXT:    br i1 [[TMP3]], 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:
  %l = load i32, ptr %src
  br label %loop.ph

loop.ph:
  br label %loop

loop:
  %iv = phi i64 [ 0, %loop.ph ], [ %iv.next, %loop ]
  %l.cast = sext i32 %l to i64
  %dst.idx = getelementptr i64, ptr %dst, i64 %iv
  store i64 %l.cast, ptr %dst.idx
  %iv.next = add nuw nsw i64 %iv, 1
  %cmp9.us = icmp ult i64 %iv.next, 20
  br i1 %cmp9.us, label %loop, label %exit

exit:
  ret void
}

; Test that cast context hints are only computed for memory operations.
; When a sext has a non-memory operand (like an add), CCH should be None.
define i32 @sext_of_non_memory_op(ptr %src, i32 %offset, i64 %n) #0 {
; CHECK-LABEL: define i32 @sext_of_non_memory_op(
; CHECK-SAME: ptr [[SRC:%.*]], i32 [[OFFSET:%.*]], i64 [[N:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT:  [[ITER_CHECK:.*]]:
; CHECK-NEXT:    [[TMP0:%.*]] = add i64 [[N]], 1
; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    [[TMP2:%.*]] = shl nuw i64 [[TMP1]], 3
; CHECK-NEXT:    [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], [[TMP2]]
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH:.*]], label %[[VECTOR_SCEVCHECK:.*]]
; CHECK:       [[VECTOR_SCEVCHECK]]:
; CHECK-NEXT:    [[TMP3:%.*]] = trunc i64 [[N]] to i32
; CHECK-NEXT:    [[TMP4:%.*]] = add i32 [[OFFSET]], [[TMP3]]
; CHECK-NEXT:    [[TMP5:%.*]] = icmp slt i32 [[TMP4]], [[OFFSET]]
; CHECK-NEXT:    [[TMP6:%.*]] = icmp ugt i64 [[N]], 4294967295
; CHECK-NEXT:    [[TMP7:%.*]] = or i1 [[TMP5]], [[TMP6]]
; CHECK-NEXT:    br i1 [[TMP7]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VECTOR_MAIN_LOOP_ITER_CHECK:.*]]
; CHECK:       [[VECTOR_MAIN_LOOP_ITER_CHECK]]:
; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw i64 [[TMP8]], 6
; CHECK-NEXT:    [[MIN_ITERS_CHECK1:%.*]] = icmp ult i64 [[TMP0]], [[TMP9]]
; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK1]], label %[[VEC_EPILOG_PH:.*]], label %[[VECTOR_PH:.*]]
; CHECK:       [[VECTOR_PH]]:
; CHECK-NEXT:    [[TMP10:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw i64 [[TMP10]], 4
; CHECK-NEXT:    [[TMP12:%.*]] = shl nuw i64 [[TMP11]], 2
; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], [[TMP12]]
; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]]
; CHECK-NEXT:    br label %[[VECTOR_BODY:.*]]
; CHECK:       [[VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 16 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP26:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI2:%.*]] = phi <vscale x 16 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP27:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI3:%.*]] = phi <vscale x 16 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP28:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI4:%.*]] = phi <vscale x 16 x i32> [ zeroinitializer, %[[VECTOR_PH]] ], [ [[TMP29:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP13:%.*]] = trunc i64 [[INDEX]] to i32
; CHECK-NEXT:    [[TMP14:%.*]] = add i32 [[OFFSET]], [[TMP13]]
; CHECK-NEXT:    [[TMP15:%.*]] = sext i32 [[TMP14]] to i64
; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[TMP15]]
; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP11]], 1
; CHECK-NEXT:    [[TMP18:%.*]] = mul nuw nsw i64 [[TMP11]], 3
; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP11]]
; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP17]]
; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP18]]
; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 16 x i8>, ptr [[TMP16]], align 1
; CHECK-NEXT:    [[WIDE_LOAD5:%.*]] = load <vscale x 16 x i8>, ptr [[TMP19]], align 1
; CHECK-NEXT:    [[WIDE_LOAD6:%.*]] = load <vscale x 16 x i8>, ptr [[TMP20]], align 1
; CHECK-NEXT:    [[WIDE_LOAD7:%.*]] = load <vscale x 16 x i8>, ptr [[TMP21]], align 1
; CHECK-NEXT:    [[TMP22:%.*]] = zext <vscale x 16 x i8> [[WIDE_LOAD]] to <vscale x 16 x i32>
; CHECK-NEXT:    [[TMP23:%.*]] = zext <vscale x 16 x i8> [[WIDE_LOAD5]] to <vscale x 16 x i32>
; CHECK-NEXT:    [[TMP24:%.*]] = zext <vscale x 16 x i8> [[WIDE_LOAD6]] to <vscale x 16 x i32>
; CHECK-NEXT:    [[TMP25:%.*]] = zext <vscale x 16 x i8> [[WIDE_LOAD7]] to <vscale x 16 x i32>
; CHECK-NEXT:    [[TMP26]] = or <vscale x 16 x i32> [[VEC_PHI]], [[TMP22]]
; CHECK-NEXT:    [[TMP27]] = or <vscale x 16 x i32> [[VEC_PHI2]], [[TMP23]]
; CHECK-NEXT:    [[TMP28]] = or <vscale x 16 x i32> [[VEC_PHI3]], [[TMP24]]
; CHECK-NEXT:    [[TMP29]] = or <vscale x 16 x i32> [[VEC_PHI4]], [[TMP25]]
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP12]]
; CHECK-NEXT:    [[TMP30:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[TMP30]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK:       [[MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[BIN_RDX:%.*]] = or <vscale x 16 x i32> [[TMP27]], [[TMP26]]
; CHECK-NEXT:    [[BIN_RDX8:%.*]] = or <vscale x 16 x i32> [[TMP28]], [[BIN_RDX]]
; CHECK-NEXT:    [[BIN_RDX9:%.*]] = or <vscale x 16 x i32> [[TMP29]], [[BIN_RDX8]]
; CHECK-NEXT:    [[TMP31:%.*]] = call i32 @llvm.vector.reduce.or.nxv16i32(<vscale x 16 x i32> [[BIN_RDX9]])
; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]]
; CHECK-NEXT:    br i1 [[CMP_N]], label %[[EXIT:.*]], label %[[VEC_EPILOG_ITER_CHECK:.*]]
; CHECK:       [[VEC_EPILOG_ITER_CHECK]]:
; CHECK-NEXT:    [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp ult i64 [[N_MOD_VF]], [[TMP2]]
; CHECK-NEXT:    br i1 [[MIN_EPILOG_ITERS_CHECK]], label %[[VEC_EPILOG_SCALAR_PH]], label %[[VEC_EPILOG_PH]], !prof [[PROF4:![0-9]+]]
; CHECK:       [[VEC_EPILOG_PH]]:
; CHECK-NEXT:    [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP31]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_MAIN_LOOP_ITER_CHECK]] ]
; CHECK-NEXT:    [[TMP32:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT:    [[TMP33:%.*]] = shl nuw i64 [[TMP32]], 3
; CHECK-NEXT:    [[N_MOD_VF10:%.*]] = urem i64 [[TMP0]], [[TMP33]]
; CHECK-NEXT:    [[N_VEC11:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF10]]
; CHECK-NEXT:    [[TMP34:%.*]] = insertelement <vscale x 8 x i32> zeroinitializer, i32 [[BC_MERGE_RDX]], i32 0
; CHECK-NEXT:    br label %[[VEC_EPILOG_VECTOR_BODY:.*]]
; CHECK:       [[VEC_EPILOG_VECTOR_BODY]]:
; CHECK-NEXT:    [[INDEX12:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], %[[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT15:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_PHI13:%.*]] = phi <vscale x 8 x i32> [ [[TMP34]], %[[VEC_EPILOG_PH]] ], [ [[TMP40:%.*]], %[[VEC_EPILOG_VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP35:%.*]] = trunc i64 [[INDEX12]] to i32
; CHECK-NEXT:    [[TMP36:%.*]] = add i32 [[OFFSET]], [[TMP35]]
; CHECK-NEXT:    [[TMP37:%.*]] = sext i32 [[TMP36]] to i64
; CHECK-NEXT:    [[TMP38:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[TMP37]]
; CHECK-NEXT:    [[WIDE_LOAD14:%.*]] = load <vscale x 8 x i8>, ptr [[TMP38]], align 1
; CHECK-NEXT:    [[TMP39:%.*]] = zext <vscale x 8 x i8> [[WIDE_LOAD14]] to <vscale x 8 x i32>
; CHECK-NEXT:    [[TMP40]] = or <vscale x 8 x i32> [[VEC_PHI13]], [[TMP39]]
; CHECK-NEXT:    [[INDEX_NEXT15]] = add nuw i64 [[INDEX12]], [[TMP33]]
; CHECK-NEXT:    [[TMP41:%.*]] = icmp eq i64 [[INDEX_NEXT15]], [[N_VEC11]]
; CHECK-NEXT:    br i1 [[TMP41]], label %[[VEC_EPILOG_MIDDLE_BLOCK:.*]], label %[[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK:       [[VEC_EPILOG_MIDDLE_BLOCK]]:
; CHECK-NEXT:    [[TMP42:%.*]] = call i32 @llvm.vector.reduce.or.nxv8i32(<vscale x 8 x i32> [[TMP40]])
; CHECK-NEXT:    [[CMP_N16:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC11]]
; CHECK-NEXT:    br i1 [[CMP_N16]], label %[[EXIT]], label %[[VEC_EPILOG_SCALAR_PH]]
; CHECK:       [[VEC_EPILOG_SCALAR_PH]]:
; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC11]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[N_VEC]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    [[BC_MERGE_RDX17:%.*]] = phi i32 [ [[TMP42]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ], [ [[TMP31]], %[[VEC_EPILOG_ITER_CHECK]] ], [ 0, %[[VECTOR_SCEVCHECK]] ], [ 0, %[[ITER_CHECK]] ]
; CHECK-NEXT:    br label %[[LOOP:.*]]
; CHECK:       [[LOOP]]:
; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX17]], %[[VEC_EPILOG_SCALAR_PH]] ], [ [[OR:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[IV_TRUNC:%.*]] = trunc i64 [[IV]] to i32
; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[OFFSET]], [[IV_TRUNC]]
; CHECK-NEXT:    [[ADD_EXT:%.*]] = sext i32 [[ADD]] to i64
; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[ADD_EXT]]
; CHECK-NEXT:    [[LOAD:%.*]] = load i8, ptr [[GEP]], align 1
; CHECK-NEXT:    [[LOAD_EXT:%.*]] = zext i8 [[LOAD]] to i32
; CHECK-NEXT:    [[OR]] = or i32 [[SUM]], [[LOAD_EXT]]
; CHECK-NEXT:    [[IV_NEXT]] = add i64 [[IV]], 1
; CHECK-NEXT:    [[EC:%.*]] = icmp eq i64 [[IV]], [[N]]
; CHECK-NEXT:    br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP6:![0-9]+]]
; CHECK:       [[EXIT]]:
; CHECK-NEXT:    [[OR_LCSSA:%.*]] = phi i32 [ [[OR]], %[[LOOP]] ], [ [[TMP31]], %[[MIDDLE_BLOCK]] ], [ [[TMP42]], %[[VEC_EPILOG_MIDDLE_BLOCK]] ]
; CHECK-NEXT:    ret i32 [[OR_LCSSA]]
;
entry:
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %sum = phi i32 [ 0, %entry ], [ %or, %loop ]
  %iv.trunc = trunc i64 %iv to i32
  %add = add i32 %offset, %iv.trunc
  %add.ext = sext i32 %add to i64
  %gep = getelementptr i8, ptr %src, i64 %add.ext
  %load = load i8, ptr %gep, align 1
  %load.ext = zext i8 %load to i32
  %or = or i32 %sum, %load.ext
  %iv.next = add i64 %iv, 1
  %ec = icmp eq i64 %iv, %n
  br i1 %ec, label %exit, label %loop

exit:
  ret i32 %or
}

attributes #0 = { "target-cpu"="neoverse-512tvb" }
;.
; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]], [[META2]]}
; CHECK: [[PROF4]] = !{!"branch_weights", i32 8, i32 56}
; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]]}
; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]]}
;.