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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; The test was crashing earlier due to a vectorization attempt; vector-to-scalar cast
; is now forbidden in the legalizer, and the test isn't a vectorization candidate now.
; RUN: opt -S -force-widen-divrem-via-safe-divisor=false -force-vector-width=4 --passes=loop-vectorize < %s | FileCheck %s
define void @vector_to_scalar_cast(ptr %out) {
; CHECK-LABEL: define void @vector_to_scalar_cast(
; CHECK-SAME: ptr [[OUT:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*]]:
; CHECK-NEXT: [[VEC0:%.*]] = insertelement <2 x i16> undef, i16 0, i64 0
; CHECK-NEXT: [[VEC1:%.*]] = insertelement <2 x i16> [[VEC0]], i16 0, i64 1
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], %[[LOOP]] ], [ 1, %[[ENTRY]] ]
; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i32 [[IV]], 11
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i32 [[IV]], 1
; CHECK-NEXT: [[VEC_SCALAR_CAST:%.*]] = bitcast <2 x i16> [[VEC1]] to i32
; CHECK-NEXT: [[SREM:%.*]] = srem i32 0, [[VEC_SCALAR_CAST]]
; CHECK-NEXT: store i32 [[SREM]], ptr [[OUT]], align 4
; CHECK-NEXT: br i1 [[EXITCOND]], label %[[LOOP]], label %[[EXIT:.*]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: ret void
;
entry:
%vec0 = insertelement <2 x i16> undef, i16 0, i64 0
%vec1 = insertelement <2 x i16> %vec0, i16 0, i64 1
br label %loop
loop:
%iv = phi i32 [ %iv.next, %loop ], [ 1, %entry ]
%exitcond = icmp ne i32 %iv, 11
%iv.next = add nuw nsw i32 %iv, 1
%vec.scalar.cast = bitcast <2 x i16> %vec1 to i32
%srem = srem i32 0, %vec.scalar.cast
store i32 %srem, ptr %out
br i1 %exitcond, label %loop, label %exit
exit:
ret void
}
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