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1; This function contains two selects which differ only by having reversed2; operand order. They are in fact equivalent, since the icmps that preceede3; them also are the same except for reversed conditions. SelectionDAG will4; discover this and return the other SELECT_CCMASK when the operands are5; canonicalized. This must be handled by SystemZDAGToDAGISel::Select, or6; instruction selection will fail.7;8; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z139 10 11@g_1531 = external global [7 x i64], align 812@g_277 = external global <{ i64, i8, i8, i8, i8, i8, i8 }>, align 813@g_62.6 = external global i32, align 414 15define dso_local void @fun() {16entry:17 %tmp = add nuw nsw i16 0, 23818 %tmp4 = sub nsw i16 %tmp, 019 store i64 4, ptr @g_277, align 820 %tmp5 = load i64, ptr getelementptr inbounds ([7 x i64], ptr @g_1531, i64 0, i64 5), align 821 %tmp6 = trunc i64 %tmp5 to i3222 %tmp7 = trunc i64 %tmp5 to i1623 %tmp8 = shl i32 %tmp6, 2424 %tmp9 = ashr exact i32 %tmp8, 2425 %tmp10 = urem i16 %tmp7, %tmp426 %tmp11 = icmp eq i16 %tmp10, 027 %tmp12 = select i1 %tmp11, i32 0, i32 %tmp928 %tmp13 = icmp sge i32 %tmp12, undef29 %tmp14 = zext i1 %tmp13 to i3230 %tmp15 = or i32 0, %tmp1431 %tmp16 = icmp ne i16 %tmp10, 032 %tmp17 = select i1 %tmp16, i32 %tmp9, i32 033 %tmp18 = icmp sge i32 %tmp17, undef34 %tmp19 = zext i1 %tmp18 to i3235 %tmp20 = or i32 %tmp15, %tmp1936 store i32 %tmp20, ptr @g_62.6, align 437 unreachable38}39