; 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 %0 = call { i16, i1 } @llvm.uadd.with.overflow.i16(i16 %tmp2, i16 -1) %math = extractvalue { i16, i1 } %0, 0 %ov = extractvalue { i16, i1 } %0, 1 %tmp5 = zext i1 %ov to i32 %tmp6 = add nuw nsw i32 %tmp5, %tmp1 store i32 %tmp6, i32* %dst ret void } declare { i16, i1 } @llvm.uadd.with.overflow.i16(i16, i16) #1