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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s3 4; Test that the dag combiner can understand that some vector operands are5; all-zeros and then optimize the logical operations.6 7define void @f1(<2 x i64> %a0) {8; CHECK-LABEL: f1:9; CHECK: # %bb.0: # %bb10; CHECK-NEXT: vlrepg %v0, 0(%r1)11; CHECK-NEXT: vgbm %v1, 012; CHECK-NEXT: vceqg %v2, %v24, %v113; CHECK-NEXT: vn %v0, %v0, %v014; CHECK-NEXT: vno %v2, %v2, %v215; CHECK-NEXT: vceqg %v0, %v0, %v116; CHECK-NEXT: vx %v0, %v0, %v217; CHECK-NEXT: vnc %v0, %v2, %v018; CHECK-NEXT: vlgvf %r0, %v0, 119; CHECK-NEXT: tmll %r0, 120; CHECK-NEXT: # %bb.1: # %bb1521 22bb:23 %tmp = shufflevector <2 x i64> undef, <2 x i64> undef, <2 x i32> zeroinitializer24 br label %bb125 26bb1: ; preds = %bb27 %tmp2 = load i64, ptr undef, align 828 %tmp3 = insertelement <2 x i64> undef, i64 %tmp2, i32 129 %tmp4 = icmp ne <2 x i64> %a0, zeroinitializer30 %tmp5 = xor <2 x i1> %tmp4, zeroinitializer31 %tmp6 = xor <2 x i1> zeroinitializer, %tmp532 %tmp7 = and <2 x i64> %tmp3, %tmp33 %tmp8 = icmp ne <2 x i64> %tmp7, zeroinitializer34 %tmp9 = xor <2 x i1> zeroinitializer, %tmp835 %tmp10 = icmp ne <2 x i64> %a0, zeroinitializer36 %tmp11 = xor <2 x i1> %tmp10, %tmp937 %tmp12 = and <2 x i1> %tmp6, %tmp1138 %tmp13 = extractelement <2 x i1> %tmp12, i32 039 br i1 %tmp13, label %bb14, label %bb1540 41bb14: ; preds = %bb142 store i64 undef, ptr undef, align 843 br label %bb1544 45bb15: ; preds = %bb14, %bb146 unreachable47}48