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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
;
; Test that DAGCombiner does not produce an addcarry node if the carry
; producer is not legal. This can happen e.g. with an uaddo with a type
; that is not legal.
;
; RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 < %s | FileCheck %s
define void @fun(i16 %arg0, i16* %src, i32* %dst) {
; CHECK-LABEL: fun:
; CHECK: # %bb.0: # %bb
; CHECK-NEXT: llhr %r0, %r2
; CHECK-NEXT: llh %r2, 0(%r3)
; CHECK-NEXT: chi %r0, 9616
; CHECK-NEXT: lhi %r1, 0
; CHECK-NEXT: lochil %r1, 1
; CHECK-NEXT: afi %r2, 65535
; CHECK-NEXT: llhr %r3, %r2
; CHECK-NEXT: lhi %r0, 0
; CHECK-NEXT: cr %r3, %r2
; CHECK-NEXT: lochilh %r0, 1
; CHECK-NEXT: ar %r0, %r1
; CHECK-NEXT: st %r0, 0(%r4)
; CHECK-NEXT: br %r14
bb:
%tmp = icmp ult i16 %arg0, 9616
%tmp1 = zext i1 %tmp to i32
%tmp2 = load i16, i16* %src
%tmp3 = add i16 %tmp2, -1
%tmp4 = icmp ne i16 %tmp2, 0
%tmp5 = zext i1 %tmp4 to i32
%tmp6 = add nuw nsw i32 %tmp5, %tmp1
store i32 %tmp6, i32* %dst
ret void
}
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