llvm/test/Transforms/LoopVectorize/widen-call-op-scalar-vector.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6
; RUN: opt -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=1 -S %s | FileCheck %s

; Test with call where same value is used as call argument in
; vector and scalar position.
define void @test(ptr %p) {
; CHECK-LABEL: define void @test(
; CHECK-SAME: ptr [[P:%.*]]) {
; 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:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr i64, ptr [[P]], i64 [[INDEX]]
; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <2 x i64> [[VEC_IND]], i64 0
; CHECK-NEXT:    [[TMP2:%.*]] = call <2 x i64> @vec_foo(<2 x i64> [[VEC_IND]], i64 [[TMP1]])
; CHECK-NEXT:    store <2 x i64> [[TMP2]], ptr [[TMP0]], align 8
; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], splat (i64 2)
; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 100
; 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:
  br label %loop

loop:
  %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
  %gep = getelementptr i64, ptr %p, i64 %iv
  %r = call i64 @foo(i64 %iv, i64 %iv) #0
  store i64 %r, ptr %gep, align 8
  %iv.next = add i64 %iv, 1
  %ec = icmp eq i64 %iv.next, 100
  br i1 %ec, label %exit, label %loop

exit:
  ret void
}

declare i64 @foo(i64, i64)
declare <2 x i64> @vec_foo(<2 x i64>, i64)

attributes #0 = { nounwind "vector-function-abi-variant"="_ZGVnN2vl1_foo(vec_foo)" }